The EPA (circa 2016) stated that current diesel engines are around 40 percent efficient over a range of operating conditions depending on en

Wheelbase… as you read this you re probably thinking: ELEMENTARY, right? Well more than one salesperson has gotten into trouble over this te

All of the transmissions can be shifted like the 10-speed, it’s the splitter that adds the extra levels of gearing. And using that spilt is

A 2-speed rear axle can eliminate the need for an auxiliary transmission in some applications. These axles contain gearing for two ranges.

As the fifth wheel moves weight is transferred between the axles on the power unit, or chassis. Many people do not fully understand this, an

Split-shaft PTOs and Transfer Cases both use driveline power to run another piece of equipment. Aside from being located in the drivetrain,

Front spring pins are available in two styles

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