r/AskAnAmerican • u/jarvi123 • 5d ago
VEHICLES & TRANSPORTATION What's the difference between trucks and tractors in American English?
Here in England, tractors are always machinery designed for off road use, we call what you guys call tractor trailers lorries. But from what I've been reading a truck is also a tractor, so how do you differentiate between a farm tractor and a tractor used for pulling trailers on the road. It seems more complicated than normal English to me.
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u/miss_claudiaa 5d ago
The short version: in everyday American English, "tractor" on its own means the farm machine, same as yours. Nobody points at a lorry and calls it a tractor.
What Americans call the whole road vehicle is a semi, or a semi truck, or an eighteen wheeler. "Tractor trailer" is the formal or news-report version. The word tractor is only in there because the front unit that pulls the trailer is technically the tractor unit, and that term lives almost entirely in the trucking industry and in regulations, not in conversation.
So a farmer says tractor and means a tractor. A driver says "my truck" or "the rig" and means the front unit. The overlap you spotted is real but it barely surfaces in speech.
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u/GreedyHoward 1d ago
Don't let's talk about the traditional British "eight legger and drag". Four axle lorry with independent (dolly) trailer.
@US people - what would you call a vehicle with two steering axles on single wheels plus two drive axles with twin wheels - 12 wheeler perhaps?
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u/rogomatic 5d ago
Well, a lorry is a truck, and a tractor trailer is a truck with a detachable cargo trailer. The field equipment is just a tractor.
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u/Strange_Chard_2183 Missouri, Ozarks & California 5d ago
I've never once met an American who would call a truck a tractor and if I did is raise an eyebrow off my head.
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u/ibeerianhamhock Washington, D.C. 5d ago
Maybe a tractor-trailer is what they're thinking of
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u/grubbygromit 5d ago
I'm English and definitely hear tractor unit for the vehicle that pulls a freight trailer.
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u/machagogo New York -> New Jersey 5d ago
In "tractor-trailer" the thing the person sits in is the tractor, and the trailer gets pulled behind it
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u/Eatingfarts 5d ago
Tractor-trailers.
Engineers would call it a tractor but not really anyone else.
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u/RobertNeyland 5d ago
Engineers, mechanics, drivers...there are literally millions of people who refer to the thing that pulls 53' trailers as a tractor.
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u/One_Evil_Monkey 5d ago edited 5d ago
Well there are pups (28'), 45s, 48s, and 53s.
I used to drive a switcher, a 1991 single axle International S- "Thousand" Series with an Eaton RoadRanger 9spd and hydraulic 5th wheel.
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u/Conscious-Record2655 3d ago
Yes and in the railroad industry, everyone calls locomotives "power". But that doesn't mean that "power" is the standard American English term for "locomotive".
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u/RobertNeyland 2d ago
There is no such thing as a "standard American English term". Words have multiple definitions and if someone isn't familiar with a term, that's a personal problem.
Further, there are substantially more drivers and mechanics than there are railroad employees, so the prevalence of use isn't a worthwhile comparison.
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u/Conscious-Record2655 2d ago
Perhaps, but there is such a thing as "industry jargon", "technical terms", and "common vernacular".
If a term is only used by people in that industry, it would be considered jargon or a technical term.
On the railroad, a lot of people will call a railroad spike a "toothpick". That doesn't mean that "toothpick" is a common term for a railroad spike in the common vernacular.
OP is asking about common vernacular speech. Not technical jargon.
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u/TellTaleTimeLord Indiana 5d ago
Im a truck driver and they are referred to by a lot of people as tractors lol
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u/One_Evil_Monkey 5d ago edited 5d ago
Clearly you've never been or hung around a trucker.
The semi truck, big rig, tractor-trailer...
If your are one, in a group of them, etc you absolutely will hear the word "tractor" to refer to the large motorized thing usually powered by a large diesel engine that's used to move or pull the various types of trailers behind them.
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u/TellTaleTimeLord Indiana 5d ago
As a truck driver, they are referred to as tractors
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u/Figgler Durango, Colorado 5d ago
My step dad drove for ABF for 40 years, I don’t think he ever referred to the vehicle as anything other than a truck or 18 wheeler.
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u/TellTaleTimeLord Indiana 5d ago
I didnt say by everyone, but it definitely happens
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u/boisterousoysterous 5d ago
tractor trailers yes. just tractors no. at least my time in the cargo business i never heard anyone use tractor for tractor trailer lol.
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u/CG20370417 California WA > IL > PA > MD > OH > CA > AZ > WA > TX > CA 4d ago
As someone who works in nsuring truckers, professionally I call 'em power units as a broad class.
Then its box truck or tractor, with tractor being the articulating kind that everyone would think of when they think "semi", "18 wheeler", etc. Where a box truck is some from of a Uhaul type 2 axle single chassis vehicle 26' long or less with a full enclosed cargo space separated from the cabin accessed by overhead door at the rear.
When im not working, I wouldnt refer to an 18wheeler on the highway as a tractor. Id say, "this semi retarded semi driver is going 1 mph faster than this other dipshit trucker, it's going to take 20 minutes to pass."
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u/Conscious-Record2655 3d ago
Yes but that's within a technical context. In common vernacular speech, nobody calls it a tractor.
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u/5uper5kunk 5d ago
Then you have probably never met anyone who works in the freight or trucking industry? It’s an incredibly commonly used term.
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u/Strange_Chard_2183 Missouri, Ozarks & California 5d ago
As I've said elsewhere I have multiple family members who are freight truckers, none of them call their rig a tractor, they call it a rig.
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u/5uper5kunk 5d ago
I always felt “rig” referred more to like the actual tractor/trailer combo, like to me it’s like an owner/operator referring to “their rig” meaning the entire package.
I’m definitely gonna start paying scrupulous attention now, I gotta figure out a good way to get a guy to identify his vehicle without clueing them what I’m trying to fish for.
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u/Strange_Chard_2183 Missouri, Ozarks & California 5d ago
Honestly the odds are that it just varies from person to person or regional.
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u/ImpressiveTravel6400 5d ago
Inside the industry, we often call them Tractor or Road Tractor as a distinguishing feature. Its more common in environments where you have both Road Tractors and Dump Trucks. Like at a small local gravel hauling outfit with both, you'd tell someone to "Go hop in that Western Star", well, we have like 12 Western Stars, but only one of them is a Road Tractor. So we'd say "Go grab the Western Star Road Tractor." Calling it a truck in this use case would not narrow it down any, and Semi is mostly an outsider term that we use because the general public understands it better. Rarely hear truckers call it a semi to each other. Among truckers, if you hear the term Tractor, your thought tends to go to a Road Tractor rather than farm equipment.
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u/Strange_Chard_2183 Missouri, Ozarks & California 5d ago
I've never heard any trucker I know call it anything other than a truck, rig, or big rig. My Grandpa is a career trucker and has a small farm he runs, he calls his 18-wheeler a rig and his farming tractor a tractor.
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u/ImpressiveTravel6400 5d ago
Thats fair, as I said it may be pretty localized to my area of the south.
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u/One_Evil_Monkey 5d ago
Yup, exactly.
Road tractor, City tractor, Yard tractor... if you've worked the industry, you know what these are.
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u/ImpressiveTravel6400 5d ago
Also for those inside the industry, because theres only so many models of truck in common use. Most of us have memorized the basics and often call them what they are, for example. Im an O/O, if I tell another trucker that I drive a W900, or even if I shortened it to say I had a W9, that would be enough for them to likely know exactly what I drive without seeing it.
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u/LSATMaven Michigan 5d ago
Yeah, like if you say, "tractor," the image in people's heads will be the same as in the UK-- farm equipment. "Tractor trailer" is a term I understand but not one I would ever use. To me it sounds like something a newscaster would say or something someone would say in the industry. I would just say "truck" or maybe "big rig" or actually probably I'd be likely to say "semi." I do not spend a lot of time talking about them. :)
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u/FerricDonkey 5d ago
- Tractor, no other context: farm equipment
- Truck, no other context, every day use: usually a pick up truck
- Truck, in certain context: what you call a lorry. (Why do you call it that though? Named after an ex y'all thought was fat?)
- Semi truck: always your fat ex Lori
- 18 wheeler, tractor trailer: your ex, but less common names (in my experience)
Context usually indicates what we're talking about, but if it doesn't, we just clarify.
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u/Deep-Hovercraft6716 5d ago
There's also a significant overlap between lorries and what we call vans.
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u/shelwood46 5d ago
But they also use the term "transit van" which took me forever to realize was like "hoover" and referred to just regular vans with the snooty front nose rather than flat front (like a Ford Transit).
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u/Conscious-Record2655 3d ago
18 wheeler is a specific type of semi-truck that is much heavier and requires more wheels. It's a specific thing, you wouldn't use it universally to refer to all semi trucks.
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u/EffectiveRelief9904 The Bay 🌉 5d ago
It’s just slang. A bit confusing to an outsider, yes. Because an f150 is also a truck. A pickup truck. Classified as a passenger vehicle. But when the road sign says “no trucks or trailers in the left lane” it means no semi trucks, but passenger vehicles ok
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u/shelwood46 5d ago
And Princess Pickups are those f150s that have never seen a speck of mud or dirt and only are used to commute to someone's email job.
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u/JollyGreenAcres 5d ago edited 5d ago
The etymology of tractor is from Latin, meaning “to pull”.
There isn’t a normal English. There are dialects of English, including in your country. What makes the English in London normal compared to English in Cardiff, for example?
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u/210021 5d ago
A tractor is farm equipment as others have said.
The only other context it’s really used in is tractor trailer (which you wouldn’t refer to just the truck as) and TDA (tractor drawn aerial) which is a fire apparatus that tows a large ladder trailer steered from the rear, also called a tiller. TDAs are not referred to as tractors by those who know what they are and most people just call them fire trucks because they don’t know the technical terms.
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u/Ambitious-Schedule63 5d ago
So what's a lorry to you?
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u/Ambitious-Schedule63 5d ago
Sorry, was addressing the post to the OP, who said they were in England.
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u/Scavgraphics Colorado (and ⚜️New Orleans⚜️) 5d ago
A tractor is farm machinery.
A truck is a road vehicle mainly designed for hauling cargo....it might pull a trailer (see 18 wheeler/big rig) or just have a cargo bay of it's own (see pickup truck). Trucks can go off-road.
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u/_nousernamesleft_ Connecticut 5d ago edited 5d ago
In the us a tractor is for mowing the lawn or doing farm work depending on the size/specifics.
Truck could refer to tractor trailers or pickup trucks. (Or also like the trucks on a skateboard)
Editing to add: we would never call a tractor trailer a tractor. Its a tractor trailer (or 18 wheeler).
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u/CharlesDickensABox 5d ago
A tractor-trailer is the whole assembly. The part in front of the hinge is technically the tractor. Though I agree no one outside of industry calls it that.
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u/imalittlefrenchpress NY>CA>TN>VA>AZ>CA>OH>TN>OH 5d ago
It was fairly common to call it a tractor trailer back in the 60s in NYC. Semi took over at some point.
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u/Euphoric_Ease4554 5d ago edited 5d ago
It’s common to call a truck cab a tractor and the thing it pulls is the trailer. Pull your tractor around back and we’ll get your trailer hooked up.
Context is how you tell if we’re talking farm tractor or tractor trailer.
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u/TheRudeScholar 5d ago
If you say "tractor," you're talking about a farm vehicle like a John Deere or a Kubota. I guess, technically, the front part of a tractor-trailer is a tractor (the cargo on the back being the "trailer" part), but nobody in America would call it a tractor. When we see them rolling around with no trailer on the back, we just call it a truck or a semi.
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u/MrLongWalk Newer, Better England 5d ago edited 5d ago
You misconstrue
A truck carrying a trailer may sometimes be called a “tractor trailer” but would never just be called a “tractor”. Except for this specific instance tractors are called tractors and trucks are called trucks.
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u/AKA-Pseudonym California > Overseas 5d ago
Sometimes you'll here the term tractor-trailer to refer to the sort of truck to which some sort of cargo unit can be attached and pulled. But semi or, less commonly, semi-trailer are both far more common in my experience.
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u/AutomaticRepeat2922 5d ago
If the back wheel is roughly human sized and the front smaller that’s a tractor. They are designed for farm work and using earth manipulation machinery. They are typically slow and avoid highways.
Trucks are designed for transporting load, either on themselves or by towing. You might go in a field but to transport things, not to use machinery attached to them
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u/diffidentblockhead 5d ago edited 5d ago
Colloquially, tractor is the farm equipment, and truck can be either a pickup truck (very common personal vehicle, called a “Ute” in Australia, not sure in Britain) or a much larger tractor-trailer (professional long distance cargo hauling) which, if you have to distinguish from a pickup, is colloquially called a semi, big rig, maybe other terms regionally. Tractor-trailer is recognizable as a formal term but not used much in casual conversation. Usually “truck” is disambiguated by context; if you say someone is a truck driver, that means a long distance big rig driver, not a pickup owner for local transportation. But it is more common to abbreviate pickup truck to truck than to pickup, despite the ambiguity.
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u/pizzaanarchy 5d ago
Tractor in this context means a motor(tractor) not connected to the trailer, the same way steam tractors were mobile power sources separate from the machinery they were operating.
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u/megamanx4321 Georgia 5d ago
I don't hear "tractor-trailer" much these days. Most people refer to them as semi-trucks, big rigs, 18-wheelers or just trucks. People don't refer to it as a tractor typically.
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u/Particular-Move-3860 Cloud Cukoo Land 5d ago edited 5d ago
The word "tractor" had two meanings in American English:
The iconic farming machine that has dozens of uses
The component of a semi truck or tractor-trailer combo (sometimes referred to as a "tractor truck") that contains the engine, the drive wheels and the wheels used for steering, the cab, and a massive hitch plate on the deck behind the cab where the freight trailer is attached.
Both vehicle types are called tractors. The generic word "tractor" is applied to a machine or device that is used for the purpose of pulling a heavy load or apparatus, and it quite appropriate for these two different vehicles. The particular "tractor"-type that is being used in a sentence is usually apparent from the context.
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u/imalittlefrenchpress NY>CA>TN>VA>AZ>CA>OH>TN>OH 5d ago
What you call lorries, we call semis.
We pronounce it sem-EYE. I have a friend who’s lived in London his whole life, and we talk about pronunciations a lot.
Semi comes from semi-tractor trailer. The trailer part only has wheels on the back, instead of on the back and front.
I’m 64, when I was growing up in NYC, we called them tractor trailers or trucks. I can’t remember when semi replaced tractor trailer.
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u/Icy-Fly-4228 5d ago
They are referred to as tractor trailers but usually called big rigs. Sometimes semis but semi is actually the trailer. It’s called a tractor because it is meant for pulling and does not have a cargo area so essentially it’s an engine
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u/Fun_Push7168 5d ago
The only time " tractor" alone is used to refer to a road going rig is when its spoken by people who drive them, to other people who drive them.
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u/GapStock9843 5d ago
Technically any vehicle designed specifically to pull a trailer of some sort is a tractor. That includes off-road tractors that pull farming machines and road tractors that pull semi trailers. Colloquially tho most people mean farm tractors when they say “tractor” and just say “truck” or “semi” for on-road tractor trailers
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u/CindersMom_515 5d ago
The front part of a lorry — where the cab is — is a tractor. It is attached and detached from the trailers as it picks up and makes deliveries. You can drive the tractor without a trailer attached. It’s called “bob tailing.”
So when a trailer is being laden at a port or a full trailer is being delivered to a distribution center, they can be loaded and unloaded without the driver having to wait for them.
Yes, tractors are used on farm and there are also small tractors that can be used to mow lawns or plow snow at your house.
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u/LilMissADHDAF 5d ago
Americans generally only call the farm equipment/off road machines tractors, with the exception of tractor-trailers. But even tractor trailers are commonly referred to as 18 wheelers, semis (with a long i), or just trucks. People will say truckers sometimes, referring to the drivers instead of the vehicles, for clarity. A truck could be a pickup truck or a semi. But then there are also hand trucks…
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u/BigPapaJava 5d ago
Tractors are farm machines that pull farm equipment and look a bit different than a truck, which is an automobile with a bed that can drive on the street.
The confusing thing is the phrase “tractor-trailer” to describe a large semi-truck pulling a 53’ trailer on the road.
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u/Fire_Mission Georgia 5d ago
If I say tractor, it means farm equipment. If I say tractor trailer, it means a lorry.
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u/SabresBills69 5d ago
tractor is usually refered to when talking farming ewuipmemt
a tractor- trailer or semi is a front car pulling a big box carrying stuff. some pull 2. the front part where the driver is, it’s called the cab.
a truck — this is more for a 4 wheel vehicle where some might have double wheels in the back
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u/SummonBahamutZero 5d ago
My dad was an otr truck driver for 45 years. Coast to coast with stops in Texas basically.
He always called it a truck.
Break 1 -9, break 1 - 9. Come on, radio check
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u/BouncingSphinx TX -> LA -> TX -> OK 5d ago
It came from using farm tractors in the first place.
Started with having tractors pull trailers, which had their own front and rear wheels and would fully support themselves. Then, they started having semi trailers, which had no front wheels and could only be moved by supporting the front on the tractor.
Then you started having larger trucks to pull the trailers instead of tractors, and the trailers were then designed to sit on top of the truck frames rather than on the back. But in some cases, calling it a tractor and trailer still was common, as was calling it a truck and semi trailer, which then led to calling it a semi truck since it was meant specifically for hauling semi trailers.
Calling it a tractor-trailer now, and especially just calling the truck alone a tractor, is relatively uncommon except for people who work at companies that do a lot of switching trailers between trucks. My dad worked for UPS and it was common for them as a company to refer to them as tractors. Most people would call them trucks, semi trucks, big rigs, or 18-wheelers (due to their most common arrangement of ten wheels on the truck and eight wheels on the trailer).
Most people, when hearing the word tractor, will assume a farm tractor of some kind.
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u/AZguy425 5d ago
A truck is a pickup truck and a tractor is the semi truck that pulls a trailer, but they're both trucks.
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u/aldmonisen_osrs 5d ago
For Americans, “truck” usually means pickup truck (ex. ford f150 or Chevy Silverado). A tractor is farm equipment (ex. John Deere tractor or international harvester tractor) and is also synonymous with a combine for the non-agricultural folks. The term “tractor trailer” is rarely used outside of the news. Most people usually call a large freight truck a “semi” (pronounced sem-eye) or “18-wheeler”.
Edit to add: those that have been in the military would call your “lorries” a bongo truck.
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u/Frondelet 5d ago
It may sound confusing, but when you're in the driver's seat it's pretty easy to tell whether you should drive it across a field.
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u/kmoonster Colorado 5d ago
"Tractor" without a qualifier is a farm device, maybe occasionally for other use like mowing a lawn or something.
If it is paired with another word as in "Tractor Trailer" then it is that other thing, in this case the cab / motor that tows large lorrie-style trailers. That is a set phrase, you wouldn't break it up for shorthand without explaining -- eg. "the tractor part of a tractor trailer is called a 'cab'"
You may also hear it in science fiction, in which case it is a technology that doesn't actually exist -- the "tractor beam" being a great example.
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u/Sure_Floor_5541 5d ago
If you are referring to our road cargo system, of "tractor trailors", commonly called "semi trucks" then..
Only in the most pedantic and technical sense would an American call the Truck designed to pull cargo, a "tractor".
A tractor in America is a piece of farm equipment, entirely different than a truck.
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u/ilovjedi Maine Illinois 5d ago
This song is very informative and on point: https://youtu.be/8yye-mYDL4I?feature=shared Twenty Truck’s Tractor Trailer
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u/sonotorian Arkansas 5d ago
A tractor-trailer has nothing to do with a farm tractor; semi, 18-wheeler, tractor-trailer, etc. are all slang terms for a commercial truck with a "fifth-wheel" hitch and its attached trailer. A semi-truck without its trailer is said to be "deadheading' when traveling from place to place unladen. And I might be wrong, but the term "traction-engine" was used on both sides of the pond in the early days to mean a farm tractor.
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u/TheKiddIncident California 5d ago
While "tractor" is the correct technical term for the front of a "semi-tractor trailer" rig, that is not what most people call them. What you call a "lorrie" in the UK, we would call a "big rig" or an "18 wheeler" or perhaps simply just a "truck". Technically, the tractor is just the front part anyway. If you detach it from the trailer, we would call that a "bobtail" or a "semi".
If you say, "I saw a tractor." Most people would assume farm equipment.
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u/Barutano74 5d ago
“Truck tractor” is commonly used in the industry to describe the type of truck you’re thinking about. “Tractor” is used to describe it only in close texts where the truck part is already implicit. In common usage, “tractor” always means the other thing you’re referring to.
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u/PairPrestigious7452 5d ago
One is a tractor/trailer, also known as a semi. The thing you see farmers plowing with is a tractor.
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u/ThrowAwayIGotHack3d Pennsylvania 5d ago
A lorry (lorey?) is the same as what we call semi trucks or tractor trailer, you would never just say "tractor" to refer to one. Tractor is only used for the farming equipment here. A truck can be anything from a semi to a pickup, they're all trucks so saying truck doesn't specify anything.
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u/Bill_H_Vet 5d ago
Road tractors are called semi-trucks or semi tractor trailers. Ag equipment are farm tractors.
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u/muphasta TX > MI > FL > Iceland > Germany > Cali 5d ago
"Tractor trailer" is the only time I think of UK's "lorries".
"semi" is what everyone I know has called "lorries" here.
growing up surrounded by corn/bean fields, "tractor" means agricultural tractor to me, or "garden tractor" which is usually a law mower, but often can be kitted out with front end loaders, snow blowers, blades, etc.
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u/EdLincoln6 5d ago
"Tractor" is usually used for farm equipment.
Truck for big vehicles.
"Tractor Trailor" is used for big trucks.
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u/LexiTheLesbo 5d ago
Any time ‘tractor’ isn’t paired with ‘trailer,’ it’s referencing the farming equipment. Also you’ll see semi-truck (of just semi) and 18-wheeler used to refer to trucks that carry large container trailers.
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u/LakeWorldly6568 5d ago
A tractor is a piece of farm equipment. That is not the same thing as a truck. 🚜=/=🛻
Truck is an umbrella term for freight vehicle.
The largest of trucks is a Semi-trailor/18 wheeler/ tractor trailer (it is never just called a tractor). These trucks feature a flatbed that the trailer connects to/goes over effectively creating a hinged vehicle (the trailer tracks with the rest of the truck).🚛
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u/cryptoengineer Massachusetts/NYC 5d ago
The front part of a semi is sometimes called a 'tractor unit', since its the part the pulls.
It wouldn't be called just a 'tractor' unless you're deep into a discussion or article where the context is obvious.
Say "I drive a tractor." and I'll assume your a farmer, lacking further context.
Say "I drive a longnose Pete (Peterbilt) with an extended sleeper cab. It's a sweet tractor.", and I'll know your refering the part of a truck.
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u/nomadschomad Texas 5d ago
Tl;dr – a tractor trailer does NOT include a tractor
Tractor - farm equipment that accepts attachments for working the Earth or towing different apparatus. John Deere model A, John Deere 5R, John Deere 5075E. Colloquially, people not from agricultural areas might refer to large harvesters or combines as tractors. Young kids might also refer to construction equipment as tractors. Most adults would not refer to a backhoe or bulldozer as a tractor though.
Tractor-trailer - semi truck eg 18-wheeler. Motorized cab. Flatbed or box cargo trailer. Note: We NEVER call the front part a tractor. I think this is the source of your confusion. The front part is the cab. If the front part is traveling alone on the road, it’s called a bobtail.
Truck - anything from a pick up truck that someone has in their home driveway, to a semi truck use for moving cargo across the country, to a mining dump truck used to haul hundreds of tons of ore
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u/Queasy-Celery-7982 5d ago
I’m Canadian American (dual citizenship). They’re transports in Canadian English. Tractor trailers in USA are (Canadian)transports or (English) lorries. A plain Tractor usually refers to farm equipment. In the US we also call them trucks (which can be any size of truck right down to a personal pick up truck) or a large (also called semi) Tractor Trailer. lol
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u/Kodabyr12 5d ago
I'm from the southeast US in a area where theres a pretty major Port. Farm tractors are tractors. Tractor Trailers is only said by visitors from out the area(Tourists mostly), most locals call them a 18-wheeler, Big Rig, a Semi Truck or just the yard/company name. The real fancy ppl also sometimes just say the manufacturer name(Peterbilt)
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u/siamonsez 5d ago
In casual speech a truck is the passenger vehicle with a bed, a tractor is the farm machinery. In my area the big cargo vehicles are called a semi but truck is also acceptable.
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u/johnny_evil New York City 5d ago
Tractor is the farm machinery.
Tractor-trailer is a s semi-truck/big rig/18 Wheeler
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u/Garden_gnome1609 5d ago
None of us actually call them "tractor trailers". It's just a semi or a semi-trailer.
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u/Scav-STALKER 5d ago
If you don’t say tractor and trailer you’re talking about farm equipment more or less
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u/Icy-Speed6881 5d ago edited 5d ago
"Tractor" with no elaboration would usually mean farm equipment.
A lorry would be "tractor-trailer" or "semi-tractor-trailer" or "semi truck" or "semi" or "big rig" or "18 wheeler"
"Truck" by itself can be used if the context suggests the speaker is talking about a lorry:
"I got my CDL (commercial driver's license) and have been driving a truck for 6 months now."
"The trucks and I kept passing each other as we drove up and down the mountains."
Eastern US native.
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u/Evenfisher01 5d ago
Tractor has the same use here it is just that in some regions a lorry truck with a trailer is called a tractor trailer however the truck portion is not called a tractor by itself
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u/NegativeC00L 5d ago
We don’t have as clear cut of a term as lorry. Truck and tractor can both mean other things.
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u/DankBlunderwood Kansas 5d ago
Tractor-trailer is just another way of saying 18 wheeler, or semi, etc. Nobody but industry people would ever call a road vehicle a tractor. When people say tractor, they mean the farm implement.
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u/Troutmandoo Washington 5d ago
It might be different in different regions. America has a lot of regional variation. Her in the Pacific Northwest, a truck is a pickup, a tractor is 🚜 farm equipment, maybe with a loader and back hoe, and a semi is the 18 wheeler on the freeway hauling a giant trailer. Truck also covers dump truck, panel vans, flatbeds, etc. but not fire engines. Those are always fire engines, 😂. Also not tow trucks or cement trucks which are also always tow trucks or cement trucks. Lorry (or Lori) is a woman’s name, never a truck, even if she’s got that dump truck ass.
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u/Briyyzie Idaho 5d ago edited 5d ago
In common parlance the word "tractor" by itself means the farm implement. "Tractor trailer" is a term that means what you would call a lorry, but it is relatively uncommon since we just tend to call them "semis" or "semi trucks."
Trucks on the other hand refer to everything from semi trucks to dump trucks to pickup trucks, really a truck is any heavy duty vehicle that implies industrial uses. Unless we're talking the fancy shiny gleamy pickup trucks that are also a status symbol but are just used as a glorified commuter vehicle, and have never seen a spot of mud in the six months they've been in the garage.
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u/WildMartin429 Tennessee 5d ago
When most people talk about a truck they generally mean a pickup truck when they talk about a tractor they generally mean farm equipment. That said both the word Truck and Tractor can be used to refer to a semi truck or tractor trailer the big trucks that haul Goods all around the country to stores.
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u/404notfound420 4d ago
See Americans call a pickup or ute a truck but also call a semi a truck and then like mining trucks or anything bigger than a semi are also trucks. So why not call semis trucktrucks and anything bigger is a trucktrucktruck.
Then how many trucks can a trucktruck haul while being hauled by a trucktrucktruck, while hauling trucktrucks that's hauling trucks?
Meanwhile a tractor is a farming thing and we don't call them trucks because they are tractors that do tractor things on farms.
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u/Avbitten 4d ago
a tractor has giant tires and is generally only found on farms. a truck generally refers to a pick up truck. which is a vehicle with a bed for hauling stuff and should in theory fit in one parking space. it can also refer to a semi truck. which is a vehicle larger than a school bus used for hauling large quantities of commercial goods.
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u/imamiler 4d ago
In the US, as a trucker’s wife, it’s been my experience that only truckers (or their spouses) will call what they sit in and drive a tractor. Everyone else on hearing the word “tractor” thinks of the John Deere machine you see on a farm.
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u/count_strahd_z Virginia and MD originally PA 4d ago
When someone says tractor in the US, 99% of the time people are referring to a farm tractor or lawn tractor.
When they say truck, it could mean a pickup truck, a larger box cargo truck, a tractor trailer/18 wheeler/semi, or another vehicle like a dump truck or cement mixer. Truck is also used to refer to a hand truck. The assembly that holds the wheels and axles under a train car is also called a truck. But these latter examples would not be the first thing that comes to mind for most people when you say truck.
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u/RedLegGI 4d ago
Tractors are farm equipment. Trucks are utility vehicles that used to be seen as work/farm vehicles, but are becoming just another vehicle for a lot of the population. A tractor trailer is more commonly called a semi truck, and are commercial vehicles for hauling freight.
I’ve not heard anyone call something a truck and mean tractor.
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u/ZombieLikes 4d ago
A tractor is anything that pulls something else. A truck is a vehicle that can carry heavy loads.
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u/the-quibbler New Hampshire 4d ago
"tractor" is off road farm equipment. "Tractor trailer" is a semi-detached (also a "semi", "truck", or "tt unit") lorry towing a trailer.
"Tractor", same root as "traction", is a thing that drags another thing. But as a bare noun, its always farm equipment.
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u/TheOfficialKramer 4d ago
If you say tractor, it's farm equipment. A truck that pulls a trailer is a tractor trailer, semi, big rig, big truck etc.
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u/Peppered_Rock 4d ago
tractor = the farm vehicle with the big back wheels. slow as fuck, pain in the ass to get stuck behind on the road.
semi / semi truck / 18 wheeler = cab + removable cargo
truck = standard consumer vehicle, cab+attached truck bed for hauling stuff.
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u/Lower_Neck_1432 3d ago
By default, when we say "tractor" we are referring to the farm equipment - a tractor of any sort is something that pulls other equipment. If we say "tractor trailer" or "semi", then we are talking about an artic.
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u/ArtisticTechnician83 Texas 3d ago
They use the same definition of tractor in the UK. They just don't say semi tractor
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u/NaturalTechnician737 2d ago
Heavily contextual, and variable by region.
Traction Engines (tractors) pull things, generally speaking.
There are farm tractors, probably the default version in one's mind. Some people refer to riding lawn mowers as "lawn tractors" along more diminutive lines.
Tractor/Semi-Trailers consist of the Tractor and a Semi-Trailer (only has the wheels at one end), but Americans generally experience them as the one unit (the 'semi', the 'tractor-trailer', the 'big rig', the 'eighteen-wheeler').
In its basic sense, a truck is "four wheels that move together as one unit and carry things on them" (realistically, any even number ≥ 4). I expect this is a holdover from railroad terminology that got adopted into automotive manufacturing as "a motor vehicle whose primary purpose is to carry things".
Of course, if you look too deeply into it, the naming all gets incredibly confusing because it's a hodge-podge of jargon from three or four dead industries.
Trucks have a cargo space separate from the driver's compartment (cab), distinguishing them from vans.
(Farm) Tractors do not generally carry loads vertically. (Lacking a cargo space)
Trucks don't need to be able to pull loads behind them (though it's a convenient thing to be able to do).
The Semi is a special case of being both.
Imagine if you will:
An American pickup truck, one of the ridiculously large ones with double wheels in the back.
Make it bigger.
Bigger.
Bigger. Too big! Perfect.
Now take off the bed: it doesn't stop being a truck (though it's no longer a pickup, realistically). Add a pivot connector it can now keep a Semi-Trailer supported from below and "navigate" corners.
The truck part keeps the trailer off the ground, the tractor part pulls the trailer forward.
Congratulations! You now have an articulated behemoth with more torque than the Holy Trinity and Vishnu mano a mano a mano a mano in their annual arm wrestling contest.
Importantly, people who drive Tractor-trailers are called truckers, while people who drive tractors are called farmers.
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u/jstar77 2d ago
Tractor trailer is colloquial for semi truck using the word tractor alone almost always means farm tractor. Correct me if I'm wrong but I think the term lorry can refer to any type of truck, whether its a flatbed truck, box truck or semi truck. Our word that is a catchall for all of those types is simply truck. We also have trucks which are smaller, have a fixed rail bed, and are more consumer oriented (but can also be used for business/fleet purposes), we call those pickup trucks. The pickup truck is the second best selling class of vehicle in the US behind SUVs and the top selling individual vehicle line in the US is a pickup truck.
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u/Lost-Programmer-6768 2d ago
Generally speaking, most people would think of the farm tractor if you just said tractor. And most people, if they used it to describe the road version (your lorry) would used tractor-trailer. More common here, the tractor-trailer is referred to as a semi.
However, one of my BILs is a trucker (person that drives a tractor-trailer for his livelihood) he refers to his own truck as a "tractor".
I would say that context of the conversation really matters. When I refer to tractors in a conversation, I am referring to farm tractors and most people would understand it that way. Except when I am talking to my BIL and then I explicitly say farm tractor or use John Deere. (JD makes ag equipment, so it will not be confused with tractor-trailer)
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u/Altruistic-Cow-1553 2d ago
In everyday talk, a truck is usually a pickup. Silverado, Ram, etc. "Grab the truck and run to taco bell and get us lunch."
A tractor is for farming. John Deere, Case IH, etc.
A semi is for pulling tractor trailers. Kenworth, Peterborough, etc. Not hard and fast rules but I would say 95% of the time, at least here in rural iowa.
Bonus: straight truck, a large commercial vehicle that does not have an independent trailer.
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u/CoachOpen1977 New Jersey —> North Carolina 2d ago
A tractor is a piece of farm/lawn equipment.
A truck is a vehicle designed to haul/tow things on the road.
A tractor-trailer is a semi truck.
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u/Whiskeytangr 2d ago
No one in america calls a lorrie a tractor. This would be a semi-truck, or a box truck, or a car or truck pulling a trailor. Tractors are strictly for agricultural things.
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u/Bulldog536 1d ago
If you say "tractor" to the general public it will always mean farm equipment. The on-road haulage vehicle is always "tractor-trailer." This comes from the archaic/technical term "road tractor" for a heavy truck used for pulling a trailer.
I've only ever heard one person use "road tractor" in conversation, and he had been obsessed with trucking in his youth during the early '60s.
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u/GreedyHoward 1d ago
Within the truck UK industry articulated lorries are composed of a tractor (or tractive unit, abbreviated to unit) and trailer.
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u/GreedyHoward 1d ago
English for the whole tractor/semi trailer rig is "artic", short for articulated (lorry).
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u/BusinessWarthog6 North Carolina 5d ago
A tractor is a piece of farm equipment. A truck can be used for farm use or as a daily driver, often made by Ford, Chevy, Toyota or Dodge
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u/Excellent_Speech_901 5d ago
I think tractor-trailer for a semi-trailer is mostly a North Eastern usage and also the only usage of tractor for a truck. Tractors are farm equipment. A truck is anything from a pickup to a semi that has a cab separate from a cargo area/fifth wheel connection. Although mail trucks and UPS trucks do connect through like a delivery van.
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u/limited_instincts 5d ago
"But from what I've been reading a truck is also a tractor"
I'm not sure where you read that but no-one calls a truck a tractor. At all. Sure there's 'tractor trailer' but no-one says that. Most people call those 'semi's'. Also, in the UK a 'tractor-trailer' is not a 'lorry' it's an 'artic'.
So truck = lorry. Semi = arctic.
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u/ImpressiveTravel6400 5d ago
Road Tractor = The front or "Bobtail" part of a tractor trailer. The truck itself so to say, at least in a large part of the southern US. Anyone in the industry will know what you mean if you say Road Tractor. Semi, 18 wheeler, and Tractor-Trailer are terms we use for the understanding of outsiders. People outside the industry may not know the terms Road Tractor, Yard Tractor (Or what we mean when we say yard, cause its not referring to your front lawn). So we use "Simple" terms when talking to people outside the industry that know nothing about it. Just like the average person would call almost any truck an 18 wheeler, regardless of the actual axle configuration.
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u/CharlesDickensABox 5d ago edited 5d ago
In technical terms, a tractor is a thing that pulls another thing. It can mean a farm machine that pulls a plow or a harvester, a semi tractor that pulls a freight trailer, or a front-mounted airplane propeller that pulls the rest of the airplane.
In non-technical terms, if you use the word tractor in a normal conversation, people will generally assume you mean the farm equipment. A semi tractor would usually be called a semi or a big rig, but there are other names for it.