What defines the upper and lower rpm shift limits of a truck transmission?
A) number of gear ratios
B) engine torque rise profile rpms
C) final drive carrier ratio
D) tailshaft rpm

Question

Quizplus · Accepted Answer

The upper and lower rpm shift limits of a truck transmission are defined by the engine torque rise profile rpms. This is because the optimal shift points are determined by the engine's performance characteristics, specifically where it produces the most efficient torque, to ensure the vehicle operates efficiently and powerfully across different speeds.

What Defines the Upper and Lower Rpm Shift Limits of a Truck