In modern trucks, nothing. You can get up from the driver's seat, and walk right back into the sleeper berth. Of course, you would do this when the vehicle is not in motion.
300 pounds
Very carefully.
This varies by the type of tractor and trailer. The standard conventional tractor ( conventional is a tractor with a sleeper berth) and trailer length is approx 72 feet from end to end but can vary from as short as 40 feet to as long as 130+ feet.
For a sleeper berth equipped line haul tractor, the wheelbase normally measures between 220 and 265 inches.
The biggest you can get is: Cab: 160 inch Sleeper Trailer 53 feet 102 iches 14 feet
A Whale Tail is a sleeper part of a tractor trailer. This would be the area the driver sleeps. You can buy them from any tractor trailer sales company or you can also try Ebay.
They vary, but I think the avg woube about 19,000lbs.
header board is a the board on the front of the trailer, or the board that is on the tractor behind the cab/sleeper. this is made of metal and is to prevent the load on trailer coming thru the cab in the event an accident or other emergency
It functions the same as any other automotive air conditioning system, albeit a sleeper cab tractor will typically have a second compressor for the air conditioning system in the sleeper.
That depends on the tractor and what equipment is installed on it such as size of sleeper, number of axles, whether it has tool boxes, a hydraulic system, and size of fuel tanks. A light trailer would weigh between 24,000 and 46,000 lbs depending on the above information.
You're probably referring to some sort of sleeper cab truck. You might be referring to the ICT sleepers.
The tractor weighs 20,000 pounds, the trailer weighs whatever it weighs, and the maximum weight of a loaded tractor trailer with one trailer is 80,000 pounds.