TruckDisp Equipment Specifications Flashcards

What is the maximum legal height for a loaded commercial truck on most US highways?

Answer: 13 feet 6 inches

The standard maximum height for commercial vehicles on US highways is 13 feet 6 inches (162 inches).

A refrigerated trailer (reefer) maintains cargo temperature primarily using:

Answer: A diesel-powered refrigeration unit mounted on the front wall

Reefer trailers use a self-contained diesel-powered refrigeration unit (often called a 'reefer unit' or 'Thermo King') mounted on the front nose.

What is the purpose of 'landing gear' on a semi-trailer?

Answer: Retractable legs that support the trailer when uncoupled from the tractor

Landing gear consists of retractable support legs that hold up the front of the trailer when it is not connected to a tractor.

Which trailer is specifically designed to transport vehicles such as cars and SUVs?

Answer: Auto transport (car hauler) trailer

Auto transport trailers have multi-level ramps and tie-down systems specifically engineered for vehicle transport.

What does 'payload capacity' mean in trucking?

Answer: The maximum weight of cargo the truck can legally carry

Payload capacity is the maximum allowable cargo weight, calculated as GVW minus the tare (empty) weight of the vehicle.

A 'lowboy' trailer is used primarily for:

Answer: Oversized or heavy equipment that exceeds standard height limits

Lowboy trailers have a very low deck height, allowing tall or heavy machinery to be transported while keeping the overall height legal.

When a dispatcher assigns a load with a 'team driver' requirement, what does that typically mean?

Answer: Two drivers alternate driving to minimize downtime and cover more miles

Team driving uses two drivers who alternate so the truck can run nearly 24 hours a day while each driver stays within HOS limits.