The inside dimensions of a standard 16 foot box truck are 92″ inches wide and 15′ 6″ long. The normal door height is 90″, but a talented fork lift driver can do incredible things once inside the door. All that said, assuming that the pallets can not be double stacked, then the answer would be 6.
how many chep pallets will fit in a 20' container
36 chep pallets
Assuming you mean a 48 ft. trailer with at least 96 inches of deck width, and you're using standard 40"x48" pallets, you could fit two across and 14 long for a total of 28 single stacked pallets.
if the pallets are 40" by 48" than 16 will fit
1
28
One pallet (assuming it is not overflowing on the sides) is 4' X 4'. You will only be able to load 2 pallets wide in a standard box truck. So... 2 pallets wide X 6 pallets long = 12 total pallets on the floor. Bear in mind that we are assuming you are not able to stack pallets on top of one another. But if you were... obviously the total count would be higher.
If they are 4' x 4' then you can fit 2 rows of 12, or 24 pallets. If you can stack the freight 2 high, you can get 48 pallets in there.
26 standard size pallets
It depends how thick the pallets are.
22
20