How many pallets fit on a 48ft trailer?

What changes the answer most

Stacking changes the answer most: if two may go on top of each other and each loaded pallet is at most 53.5 in (136 cm) tall, 56 pallets fit.

28 pallets × 660 lb (299 kg) = 18,480 lb (8,382 kg), against a payload of 42,000 lb (19,051 kg). Each one may weigh up to 1,500 lb (680 kg) before the payload, not the space, sets the number.

The door is 98 × 108 in: a piece up to 108 in (274.3 cm) tall and 98 in (248.9 cm) wide goes through — the 40 in (101.6 cm) side of this pallet passes with room to spare.

What we assumed

• Pallet size 48 × 40 in (from our sourced pallet table), loaded to 48 in (121.9 cm) tall and 660 lb (299 kg) each.
• Stacking: no — nothing goes on top of a pallet.
• Pallets may be turned on the floor (long side along or across); they stay upright.
• Inside size 570 × 100 × 108 in; clearance kept: 2 in on length, 0.8 in across, 0.8 in up (so the door closes and cartons may bulge).
• Door check: on — every box must pass the 98 × 108 in door in the way it is placed.

The same pallet elsewhere