Chapter 27. TRANSFER ASSEMBLIES

Custom Search

Back
Figure 26-7. Typical Overdrive Control Circuit.

Up
TM-9-8000 Principles of Automotive Vehicles Manual

Next
Figure 27-2. Typical Conventional Transfer Assembly for 6X6 Vehicles

TM 9-8000

CHAPTER 27

TRANSFER ASSEMBLIES

Section I. PURPOSE

body of the vehicle to remain at a practical height from

27-1. Divided Engine Torque (Fig. 27-1). Transfer

the ground.

assemblies are used in off-road vehicles to divide engine

torque between the front and rear driving axles. The

27-2. High- and Low-Gear Range. The transfer

transfer case also allows the front driving axle to be

disengaged, which is necessary to prevent undue

assembly also provides a high and low final drive gear

driveline-component wear during highway use. Another

range in the same manner as an auxiliary transmission.

purpose of the transfer case is to move the propeller

In most cases the shifting of the gear ranges is

shaft for the front driving axle off to the side so that it can

accomplished through a sliding dog clutch and shifting

clear the engine. This arrangement is necessary to allow

must be done while the vehicle is not moving.

adequate ground clearance and to allow the

Figure 27-1. Typical Driveline Arrangement with Transfer Assembly.

TA233761

27-1