Which of the following provide extra gears on some trucks?

A Both Auxiliary transmissions and Multi-speed rear axles

Explaination

Multi-speed rear axles (which tend to be less common in today's CMVs) and auxiliary transmissions provide additional gears that you can select while you drive.

B Auxiliary transmissions

C Multi-speed rear axles

Select your State

Take more free practice tests for other CDL topics with our cdl practice tests free now!