CDL Manual: Combination Vehicles Summarized

Combination vehicle

Driving Combinations 1. Roll Over Risks More than half of truck driver crashes result in death from roll over accidents. The more cargo weight loaded higher into a trailer, the higher the center of gravity will be from the road, increasing the roll over risk. Fully loaded rigs are 10 times more likely to roll […]

CDL Manual: Air Brakes Summarized

Tractor and trailer air brakes

Air Brake System Parts 1. Air Compressor The air compressor pumps air into the air storage tanks. It will be connected to the engine by gears of a v-belt It may have an air cooling system or be cooled by the engine’s cooling system The air compressor will either have it’s own oil supply or […]