As the average person occupies more or less 1 square foot of standing space, you could squeeze a maximum of 128 standees on a platform that size. Stacking them in layers horizontally would fit more, but would be increasingly uncomfortable for the bottom rows.
The questions of safety include that the trailer should not ever be moving, and that (at some point) the axle-weight capacity of the trailer might be exceeded. At a Mardi Gras parade, approximately 10-12 persons could stand on a stationary platform that size and not be uncomfortably crowded (including space for the surrounding safety rail).
22
20
22 is the minimum count.
About 40,000 pounds worth, which is enough to fill a 53-foot trailer to about three feet deep. It would be silly to use a 53-foot trailer for a load like that, so they'd use a short trailer.
26-30 single
How many cubes fit will depend on the size of each cube.
Yes, If load the pallets sideways and double stack them you can fit 60 pallets on a 53' trailer
This question is impossible to answer ! How bigare the golf-balls - how wide and how high is the trailer !
depends hob big the trailer is
A standard pallet is 48" x 40" . You should be able to fit 24 skids in a 48 foot trailer. There are ways to get more.
28
About 57,000 cartons of cigarettes can fit on a 53' tractor trailer.