Correct Answer and Feedback
The model X200-4 transmission is manufactured by the Detroit
Diesel Allison Division of General Motors Corporation (GMC).
It has an input rating of 265 horsepower (hp) net (maximum),
an input speed of 2800 revolutions per minute (rpm), and can
move a vehicle with a gross weight of 30,000 pounds at 40
miles per hour (mph). (page 12, para 7)
Increased fuel mileage and an increase in transmission
life due to the elimination of slippage.
The principal purpose of the lockup clutch is to increase
vehicle fuel mileage. Another benefit, however, is increased
transmission life through elimination of the heat caused by
torque converter slippage. (page 13, para 2)
The transmission is installed in a container for storage and
The container has a humidity indicator, an air
release valve, and a desiccant receptacle. Desiccant bags are
placed in the container to absorb moisture.
(page 14, para
The transmission incorporates a single stage, three-element,
polyphase torque converter with a stall torque ratio of
3.32:1. (page 13, para 1)
Control range selection and automatic gear shifting.
Control valve assemblies are located under the top cover
assembly and include valves, springs, and other components
which control the selection of ranges and automatic shifting
of gears. (page 17, para 1)