How many cattle fit on a trailer? Loading chart by weight and trailer size

Cattle loading chart by trailer size

The table above is a selection; the full extension chart covers 14 to 34 ft floors, 6 and 7 ft wide, from 400 to 1,700 lb. Source The counts are maximums for typical feeder cattle. Mature or fat cattle take more room for the same weight, so the publication notes fewer of them fit.

Square feet per head, by weight

To use the chart on any trailer, including pots, turn it into floor area per animal. Dividing the 34 by 7 ft floor (238 sq ft) by the recommended head count gives these areas:

Use them as a starting point and adjust for horns, condition, weather and how the cattle handle.

Reading the chart for sizes in between

Real trailers and real cattle rarely match a row exactly. When the floor or the average weight falls between two figures, work out the area per head for the weight and divide your floor area by it, then round down, never up. A 22 ft trailer that is 6 ft 8 in wide is not a 7 ft trailer. Measure inside the trailer, wall to wall and gate to gate, because the outside length includes the gooseneck and the nose, which cattle don't stand on unless it is floored and gated for them.

Stock trailers, goosenecks and pots

Bumper-pull and gooseneck stock trailers are the ranch workhorses, usually 6 or 7 ft wide and 14 to 32 ft long, with one floor and a center gate or two. The extension chart is written for them. Cattle pots, the semi trailers commercial haulers pull, have a drop center between the axles and two decks front and rear, so the load splits into four or more compartments with different floor areas and headroom. Possum-belly and straight-deck livestock trailers vary again. On any of them, the method is the same: floor area divided by area per head, compartment by compartment.

Cattle class changes the count

• Feeder cattle: the chart's baseline; uniform weights load the cleanest.
• Finished and mature cattle: bigger frames and more fill take more room than the same weight of feeders, so load fewer.
• Bulls: haul them in their own compartment, away from cows and steers.
• Cows with calves: keep pairs together but give calves room so they aren't stepped on.
• Mixed weights: sort heavier cattle into the front compartments and lighter ones to the rear.

Pot trailers: loading compartment by compartment

Semi cattle pots split the load into compartments on two decks, the nose, the upper and lower decks and the belly, each with its own floor area and headroom. Load each one on its own: measure the floor, multiply length by width and divide by the area per head. Heavier cattle go toward the front, and different groups go in separate compartments. Source

One compartment, worked out

A pot compartment measures 15 ft by 7 ft 6 in inside, 112.5 sq ft. Cattle average 850 lb, so use about 11 sq ft per head, between the 800 and 900 lb figures. 112.5 ÷ 11 = 10.2, so 10 head. If they are horned, cut 5% to 9. If it will be 95 F at the sale barn, load 8 and let the rest ride in the next compartment or the next truck. Repeat for each compartment and add up the head and the weight. Our cattle trailer loading calculator does this compartment math for you.

Cold and wind

Cold is a hazard too. The extension guide treats a wind chill below 0 F as extreme cold and wind, and notes the hottest part of a summer day typically runs from 11 a.m. to 4 p.m. Source In extreme cold, close or plug the trailer's side openings as the hauler's practice and the weather call for, keep cattle dry, and avoid long waits with the truck parked in the wind. Wet cattle in freezing wind lose condition fast.

Why the count matters

• Too many: cattle that go down can't get up and get trampled; bruising and heat stress rise.
• Too few: cattle have room to shift and fall when the truck brakes or turns, which also causes injuries.
• Weight: a full pot of finished cattle can push the truck to its 80,000 lb Interstate limit Source; check the scale ticket.
• Time: animals generally can't be confined more than 28 consecutive hours without being unloaded for feed, water and rest Source, and the rest must last at least 5 hours. Source

On the job: loading checklist

1. Get the head count and average weight from the shipper before you arrive.
2. Measure each compartment's floor, not the trailer's outside length.
3. Work out head per compartment from the area per head, then adjust for horns and heat.
4. Load heavier cattle forward and keep groups apart.
5. Close each gate as the compartment fills so cattle can't crowd back.
6. Weigh when you can, and check the cattle at your first stop.

Who decides the count at the sale barn

The shipper knows the cattle; the hauler knows the trailer and the road. At a sale barn or a ranch alley, there is often pressure to fit a few extra head so a load doesn't have to be split. The hauler is the one driving the cattle through the heat of the afternoon and the hard stops, so the hauler should make the final call. Agree on the head count and the average weight when the load is booked, write it on the paperwork, and if the cattle turn out heavier than promised, say so before the gate closes rather than after something goes wrong on the road.

Common loading mistakes

• Using the trailer's outside length instead of the floor the cattle stand on.
• Loading to the chart on a 95 F afternoon.
• Filling the front compartments and leaving the rear half empty, which shifts weight and lets cattle fall.
• Mixing bulls, cows and calves in one compartment.
• Guessing the average weight instead of asking for the sale or scale weight.

Methodology

Head counts are copied from Table 1 of Mississippi State University Extension Publication P2797, "Transporting Beef Cattle by Road," August 2025. Square feet per head are our division of that table's largest floor by its head counts. The pot compartment math is an EXAMPLE of applying those areas. We review this chart every year and when the publication changes.

For the work itself, read our cattle hauling guide and cattle hauling rates, time your run with the 28-hour law timer, and see livestock dispatch or the GearLoads home page.