In the product delivery segment vehicles operate mainly on paved surfaces, at highway speeds.

A diesel engine’s speed is generally controlled by varying the supply of fuel

Allison transmissions are truly automatic. There is no clutch, a torque converter is used for shifting.

High-profile tires use customary units, and the aspect of height to width is fixed at 90%. So the tire distance from ground to rim is .90 of

The transmission is shifted into drive to take off and after that, if you maintain drive, the electronics do all of the shifting based upon

Automatic Traction Control (ATC) is tied to the Anti-lock Brake System ABS (ABS)