The short answer: size the trailer to the heaviest thing you’ll ever haul, then add 20%. Almost every trailer that gets traded in within two years was bought one size too small. A 7,000 lb GVWR utility trailer looks like plenty until you put a compact tractor with a loader and a box blade on it and discover you’re 1,400 lb over.
Trailer “size” is really three numbers, not one: deck length, deck width, and GVWR. Get all three right and the trailer disappears behind you. Get one wrong and you’ll fight it every load. This guide gives you the charts we use on the phone every day when a contractor calls and says “I’ve got a skid steer and a mini-ex, what do I need?”
Start Here: Size by GVWR Class
Every trailer sold in the U.S. carries a GVWR (Gross Vehicle Weight Rating) — the maximum the loaded trailer is allowed to weigh, trailer plus cargo. Subtract the empty weight and you get your real payload. Manufacturers cluster their lineups into predictable GVWR classes, and knowing which class you’re in narrows the field to about a dozen trailers instantly.
| GVWR Class | Axle Setup | Typical Empty Weight | Real Payload | Typical Deck | What It’s Actually For |
|---|---|---|---|---|---|
| 2,990–2,995 lb | Single 3,500 lb axle | 890–1,100 lb | 1,900–2,100 lb | 60″–83″ × 8’–14′ | Mowers, green waste, light hauling, dump runs |
| 5,000–6,000 lb | Single 5,200 lb or light tandem | 1,200–1,900 lb | 3,100–4,800 lb | 77″–83″ × 12’–18′ | Zero-turns, ATVs, small landscape crews |
| 7,000 lb | Tandem 3,500 lb | 1,780–2,020 lb | 4,980–5,220 lb | 81″–83″ × 12’–20′ | Landscape trailers, single car, side-by-sides |
| 9,890–9,990 lb | Tandem 5,200 lb | 2,100–2,750 lb | 7,000–7,900 lb | 72″–83″ × 10’–20′ | Cars, small dumps, compact tractors |
| 14,000 lb | Tandem 7,000 lb | 3,300–4,300 lb | 9,700–10,700 lb | 83″–102″ × 12’–24′ | Skid steers, mini excavators, dump work |
| 15,400–15,900 lb | Tandem 7,000 lb (upgraded) | 3,100–4,900 lb | 10,500–12,800 lb | 83″–102″ × 16’–40′ | Full-size skid steers, CTLs, tractors |
| 17,500–19,200 lb | Tandem 8,000–9,900 lb | 4,100–5,600 lb | 12,600–13,500 lb | 83″–102″ × 14’–40′ | Backhoes, 5-ton excavators, heavy dump |
| 21,000–25,900 lb | Triple axle or tandem dual | 5,200–8,200 lb | 15,700–18,700 lb | 102″ × 20’–40′ | Dozers, 10-ton excavators, multi-machine loads |
| 30,000–40,000 lb | Tandem/triple dual, air or spring | 8,000–13,000 lb | 21,000–30,000+ lb | 102″ × 25’–40’+ | Commercial hauling, heavy iron, CDL territory |
Those payload figures aren’t estimates — they’re pulled from published manufacturer spec sheets. A Big Tex 70PI 14′ tandem utility trailer carries 5,220 lb of cargo; stretch it to 20′ and payload drops to 4,980 lb because the trailer itself got heavier. Longer decks in the same GVWR class always mean less payload. That surprises people constantly.
Size Chart by Load Type
This is the chart most buyers actually want. Find your load, read across.
| What You’re Hauling | Typical Weight | Trailer Type | Minimum Deck | Minimum GVWR |
|---|---|---|---|---|
| Push mowers, green waste, mulch bags | 500–1,500 lb | Single-axle utility | 60″ × 10′ | 2,995 lb |
| Two zero-turns + trimmers | 1,800–2,600 lb | Tandem landscape | 83″ × 16′ | 7,000 lb |
| Full lawn crew (3 mowers, blowers, rack) | 3,000–4,500 lb | Enclosed or tandem utility | 83″ × 18’–20′ | 7,000–9,990 lb |
| Single ATV | 600–950 lb | Single-axle utility | 77″ × 10’–12′ | 2,995 lb |
| Two side-by-sides (UTVs) | 3,000–4,200 lb | Tandem utility or enclosed | 83″ × 18’–20′ | 7,000 lb |
| One car or pickup | 3,500–6,000 lb | Car hauler | 83″ × 18’–20′ | 7,000–9,990 lb |
| One car, enclosed & secure | 3,500–6,000 lb | Enclosed car hauler | 8.5′ × 20’–24′ | 9,900–14,000 lb |
| Two cars stacked/tandem | 7,000–11,000 lb | Gooseneck flatbed | 102″ × 32’–40′ | 15,900–23,900 lb |
| Compact tractor (25–45 hp) w/ loader | 2,500–5,500 lb | Tandem utility or equipment | 83″ × 16’–18′ | 9,990–14,000 lb |
| Utility tractor (50–90 hp) w/ implements | 6,000–10,000 lb | Equipment trailer | 83″ × 20’–22′ | 14,000–15,900 lb |
| Skid steer (radial lift, 60–75 hp) | 6,500–8,500 lb | Equipment or tilt deck | 83″ × 18’–20′ | 14,000 lb |
| Compact track loader (75–100 hp) | 8,500–12,000 lb | Equipment or tilt deck | 83″ × 20’–22′ | 15,400–17,500 lb |
| Skid steer + attachments + trailer of mulch | 11,000–14,000 lb | Gooseneck equipment | 102″ × 25′ | 17,500–23,900 lb |
| Mini excavator (3–4 metric ton) | 7,000–9,500 lb | Tilt deck or equipment | 83″ × 18’–20′ | 14,000–15,400 lb |
| Excavator (5–6 metric ton) | 11,000–14,000 lb | Tilt deck or hydraulic dovetail | 83″–102″ × 20’–24′ | 17,500–19,200 lb |
| Excavator (8–10 metric ton) | 17,000–24,000 lb | Gooseneck w/ hydraulic dovetail | 102″ × 25’–30′ | 25,900–30,000 lb |
| Backhoe loader | 15,000–18,000 lb | Gooseneck equipment or deckover | 102″ × 25′ | 23,900–25,900 lb |
| Small dozer (D3/D4 class) | 16,000–26,000 lb | Detachable gooseneck | 102″ × 25’–30′ | 30,000–40,000 lb |
| Gravel, dirt, road base (loose) | 2,400–3,000 lb per cu yd | Dump trailer | 83″ × 12’–16′ | 14,000–17,500 lb |
| Mulch, topsoil, green waste (loose) | 400–900 lb per cu yd | Dump trailer (4′ sides) | 83″ × 14’–16′ | 14,000–15,400 lb |
| Demolition debris / roofing tear-off | Varies wildly | Dump or roll-off | 83″ × 14’–16′ | 14,000–17,500 lb |
| Hay (round bales, 4×5) | 800–1,200 lb each | Gooseneck flatbed | 102″ × 30’–40′ | 15,900–23,900 lb |
| Cattle (6–10 head) | 7,000–13,000 lb | Livestock trailer | 6’8″–7′ × 20’–24′ | 14,000–21,000 lb |
| Tools, jobsite materials, secure storage | 2,000–6,000 lb | Enclosed cargo | 7′ × 14’–16′ | 7,000–9,900 lb |
| Mobile kitchen / concession | 4,000–9,000 lb | Food trailer | 7’–8.5′ × 16’–24′ | 7,000–14,000 lb |
Pick the Right Family First, Then the Size
Size only matters once you’re in the right category. Here’s how the families actually split.
Utility Trailers: 2,995 lb to 14,000 lb
Open deck, low rails, usually a ramp gate. Utility trailers are the most versatile thing on the lot and the most commonly under-bought. The single-axle 2,995 lb units (60″–83″ wide, 8’–14′ long) are homeowner and light-landscape tools — a 10′ model runs about 893 lb empty and gives you roughly 2,100 lb of payload, which one pallet of pavers will eat completely.
Step up to tandem 7,000 lb and you get 4,980–5,220 lb of payload depending on length, plus brakes and a spare axle if one blows. That’s the sweet spot for landscape crews. Most buyers should choose between steel utility trailers for durability and lower cost, or aluminum utility trailers when you’re towing with a half-ton and every pound of trailer weight is payload you don’t get to use. Aluminum typically saves 300–700 lb on a comparable deck.
Car Haulers: 6,000 lb to 9,990 lb
The rule for car hauler trailers is simple: 18′ deck for cars, 20′ deck if you ever haul a crew cab pickup or want dovetail room. A 7,000 lb model handles most sedans and small trucks. A 9,990 lb model with dual 5,200 lb axles gives you 7,710–7,865 lb of cargo capacity, which covers a 3/4-ton pickup, a lifted Jeep, or a car plus a pile of parts.
If the load is a classic, a race car, or anything you don’t want gravel-blasted, move to an enclosed car hauler. Budget an extra 1,500–2,500 lb of trailer weight for the box, and remember an 8.5′ wide enclosed trailer is a genuinely different towing experience — it catches wind and blocks your mirrors.
Equipment Trailers: 14,000 lb and Up
If you’re hauling a skid steer, skip the utility trailer entirely. This is the single most common sizing mistake we see. A 74-hp skid steer weighs 8,000–8,500 lb before you hang a bucket on it. Put that on a 9,990 lb GVWR trailer that already weighs 2,700 lb and you are over GVWR the moment the machine’s tracks touch the deck.
Equipment trailers start at 14,000 lb GVWR with dual 7,000 lb axles, run 83″ between the fenders, and use 8″ I-beam frames rated to carry point loads from steel tracks and outriggers. A 15,400 lb bumper-pull model delivers roughly 11,960–12,760 lb of cargo capacity — genuine headroom for a CTL with attachments.
Loading angle matters as much as capacity. A standard ramp on a 24″-high deck is a steep climb for a low-clearance machine. That’s what tilt deck trailers solve: the deck pivots (typically 14 degrees on hydraulic models) and the machine drives straight on with no ramps to set. For frequent loading of long, low equipment, a hydraulic dovetail gives you a flat deck for transport plus a power-down tail that lays nearly flat for loading. If you load and unload eight times a day, that feature pays for itself in a season.
Dump Trailers: Size by Cubic Yards, Not Just Pounds
Dump trailers are the one category where volume and weight fight each other. A 14′ bed with 4′ sides holds about 16.3 cubic yards. Fill that with mulch at roughly 500 lb per yard and you’re at 8,100 lb — fine. Fill the same box with wet road base at 3,000 lb per yard and you’d be at 49,000 lb, which is four times what any bumper-pull dump trailer can legally carry.
| Dump Trailer Size | GVWR | Empty Weight | Payload | Yards of Gravel (safe) | Yards of Mulch |
|---|---|---|---|---|---|
| 60″ × 10′, single ram | 7,000 lb | ~2,000 lb | ~5,000 lb | 1.5–2 | Full box |
| 72″ × 10’–12′, 20″ sides | 9,990 lb | 2,750–2,930 lb | 7,060–7,240 lb | 2.5–3 | Full box |
| 83″ × 12’–16′, low profile | 14,000 lb | 3,870–4,250 lb | 9,750–10,130 lb | 3.5–4 | Full box |
| 83″ × 14’–16′, telescopic, 4′ sides | 15,400 lb | 4,030–4,890 lb | 10,510–11,370 lb | 4 | Full box (16.3 cu yd) |
| 83″ × 14’–16′, heavy duty | 17,500–17,600 lb | ~4,800 lb | ~12,700 lb | 4.5–5 | Full box |
| 83″–92″ × 16’–20′, gooseneck | 22,000–25,000 lb | 6,500–8,000 lb | 15,500–18,500 lb | 6–7 | Full box |
If your business is debris removal rather than material delivery, look at roll-off trailers instead. Being able to drop a full bin on a jobsite and leave means one trailer serves three crews.
Gooseneck and Flatbed: When Bumper Pull Runs Out
The practical ceiling for a bumper-pull trailer is around 20,000–21,000 lb GVWR, and even that requires a Class 5 hitch rated to 18,000–20,000 lb. Above that you need the pin weight over the truck’s rear axle. Gooseneck trailers start around 15,900 lb GVWR on tandem 7,000 lb axles and climb to 30,000 lb and beyond on tandem duals.
The step change is real. A 20′ tandem-dual gooseneck at 23,900 lb GVWR weighs about 5,240 lb empty and hauls 18,660 lb of cargo. There is no bumper-pull configuration that comes close. Stretch that same trailer to 40′ and empty weight climbs to 8,200 lb, dropping cargo to 15,700 lb — again, every foot of deck costs you payload.
For general freight, pipe, lumber, and palletized loads, flatbed trailers at a full 102″ deck width give you the two extra feet that make a 8′-wide pallet load legal and simple. When the load is tall, heavy, and has to roll on at ground level, a detachable gooseneck (RGN) drops the front of the deck to the pavement — the standard answer for dozers, large excavators, and anything you can’t ramp.
Livestock, Cargo, Food, and Truck Beds
Livestock trailers size by head count, not pounds: figure 20–24 square feet of floor per mature cow, which puts a 20′ × 7′ gooseneck at roughly 8–10 head. Enclosed cargo trailers run 5’–8.5′ wide and 8’–28′ long with GVWRs from 2,990 lb up to 14,000 lb — a 7′ × 16′ at 7,000 lb GVWR is the default contractor jobsite trailer for good reason.
Food trailers size around equipment layout and door swing, not payload, though you should still verify GVWR once the hood, fryers, and water tanks are installed. And if you’d rather carry the load on the truck than behind it, a flatbed truck bed converts a pickup into a work truck with a gooseneck ball already in the floor. Whatever you buy, keep heavy equipment parts — spare hubs, couplers, jacks, and lights — on the shelf. A $40 hub bearing strands you the same as a blown engine.
Deck Width: 83″ vs 102″
Trailer widths cluster at three numbers and they mean specific things:
- 60″–77″ deck — single-axle utility. Fits between the fenders of a compact trailer. One mower, one ATV, yard debris.
- 83″ between fenders — the workhorse. Nearly every tandem utility, car hauler, equipment, and dump trailer uses it. Wide enough for a skid steer or a full-size pickup, narrow enough that the fenders still protect the tires.
- 102″ deckover — the deck sits above the tires, so you get the full legal width with no fenders in the way. Required for 8′ pallets, wide implements, and most gooseneck work. Costs you about 12″ of deck height, which matters for low-clearance loads.
102″ is the maximum legal width in every state without a permit. Anything wider needs an oversize permit, and your load counts — a bucket hanging over the side makes you oversize even on a legal trailer.
The 80% Rule
Buy so your normal load lands at 80% of payload capacity, not 100%. Three reasons, all learned expensively:
- Tires and axles age. A 7,000 lb axle at 7,000 lb every day has no margin for a pothole, a hot day, or a tire that’s down 8 psi.
- Loads grow. The attachment you buy next year, the toolbox you bolt on, the tarp kit, the spare tire — that’s 400 lb you didn’t plan for.
- Enforcement doesn’t care about your intent. If your trailer’s data plate says 14,000 lb and the scale says 14,900 lb, you’re over. GVWR is a legal limit, not a suggestion.
Practically: if your skid steer weighs 8,500 lb, don’t buy a trailer with 9,000 lb of payload. Buy one with 11,000 lb. The price difference between a 14,000 lb and a 15,400 lb GVWR equipment trailer is small. The difference between hauling comfortably and hauling illegally is not.
Match the Trailer to the Truck, Too
| Tow Vehicle | Realistic Conventional Tow | Realistic Payload | Trailer GVWR Ceiling | Hitch Needed |
|---|---|---|---|---|
| Mid-size SUV / crossover | 3,500–5,000 lb | 1,000–1,400 lb | 3,500 lb | Class 2–3 |
| Half-ton pickup (F-150, 1500) | 7,000–13,000 lb (config-dependent) | 1,400–2,400 lb | 9,990 lb | Class 3–4, weight distribution |
| 3/4-ton (F-250, 2500) | 14,000–20,000 lb | 2,800–4,300 lb | 14,000–17,500 lb | Class 5 or gooseneck |
| 1-ton SRW (F-350, 3500 SRW) | 16,000–22,000 lb | 3,500–4,900 lb | 20,000 lb bumper / 25,900 gooseneck | Class 5 or gooseneck |
| 1-ton dually (F-350/3500 DRW) | 18,000–22,000 lb | 5,500–7,500 lb | 30,000+ lb gooseneck | Gooseneck only |
Those tow numbers vary enormously by engine, axle ratio, cab, and bed length — a regular-cab 4×2 half-ton with the tow package and a 3.73 rear tows nearly double what a crew-cab 4×4 with the smallest engine does. Never buy off a marketing number. Open the driver’s door, read the yellow payload sticker on the jamb, and pull the towing guide for your exact configuration. The sticker is the legally binding figure.
Note the column that catches people: payload, not tow rating, is what usually runs out first. A 14,000 lb bumper-pull trailer loaded to capacity puts roughly 1,400–2,100 lb of tongue weight on the hitch. Add a driver, a passenger, fuel, and tools and a half-ton is over its payload sticker long before it’s near its tow rating.
How to Not Buy the Wrong Size
- Weigh your actual load. Not the spec sheet weight — the machine with fluids, attachments, and the pallet of block you always throw on top.
- Measure the machine’s track width and length, then add 12″ of clearance on each end for chains and binders. A 20′ machine does not fit a 20′ deck.
- Check the loaded height. 13’6″ is the standard clearance limit. A deckover trailer plus a tall machine gets you there faster than you’d think.
- Confirm brake requirements. Most states require brakes on trailers over 3,000 lb GVWR, and many require a breakaway system above 3,000 lb.
- Buy for the job you’re bidding next year, not the one you’re on today.
We keep 600+ trailers in stock in Wickenburg, Arizona and ship anywhere in the lower 48 on flat-rate freight quotes, backed by a 30-day guarantee. If you’re between two sizes, call and tell us the machine — we’ll tell you which one fits. Or start with the full trailer inventory and filter by GVWR.
Frequently Asked Questions
What size trailer do I need for a skid steer?
You need a minimum 14,000 lb GVWR equipment trailer with an 18’–20′ deck for most skid steers. A 74-hp machine weighs 8,000–8,500 lb bare, and attachments add 500–1,500 lb more. Compact track loaders in the 75–100 hp class run 8,500–12,000 lb and need a 15,400–17,500 lb GVWR trailer.
What size trailer do I need to haul a car?
An 18′ × 83″ car hauler with a 7,000 lb GVWR handles most sedans and small trucks. Step up to 20′ and 9,990 lb GVWR if you haul crew-cab pickups, lifted vehicles, or anything over 6,000 lb. The 9,990 lb models give you roughly 7,700–7,900 lb of usable cargo capacity.
How many cubic yards does a 14-foot dump trailer hold?
A 14′ dump trailer with 4′ sides holds about 16.3 cubic yards of loose material. But weight limits you long before volume does with dense material — gravel at 2,400–3,000 lb per yard means you can only load 3.5–4 yards on a 14,000 lb GVWR trailer before hitting the limit.
What’s the difference between 83-inch and 102-inch deck width?
83″ is the width between the fenders on a standard trailer; 102″ is a deckover where the deck sits above the tires for full legal width with no obstructions. Choose 102″ for 8′ pallets and wide implements, 83″ for lower deck height and easier loading of low-clearance machines.
Can a half-ton truck pull a 14,000 lb trailer?
No, not safely or legally in most configurations. A loaded 14,000 lb bumper-pull trailer generates 1,400–2,100 lb of tongue weight, which exceeds the payload capacity of nearly every half-ton pickup once you add occupants and fuel. Move to a 3/4-ton or 1-ton, or drop to a 9,990 lb trailer.
Should I buy a longer trailer than I need?
Only within the same GVWR class if you’ll actually use the deck, because longer decks reduce payload. A 20′ utility trailer at 7,000 lb GVWR carries about 240 lb less than the 14′ version of the same model, since the trailer itself weighs more. Buy length for the load’s footprint, GVWR for its weight.
Do I need trailer brakes?
Most states require brakes on any trailer over 3,000 lb GVWR, and many mandate a breakaway battery system as well. Every tandem-axle trailer we sell comes with electric brakes standard, typically self-adjusting. Requirements vary by state, so verify the rules where you’ll register and operate the trailer.