Specifications

Power Train Systems Operation 17

Transmission

(1) TC Housing. (2) TM Bearing Plate. (3) TM Housing. (4) Torque Converter. (5) Input Shaft. (5A)Input Shaft Gear.

(6) Oil Pump. (7) Forward Gear. (8) Forward Clutch. (9) Reverse Shaft. (9A) Reverse Shaft Gear. (10) Reverse Clutch.

(11) Reverse gear. (12) Output gear. (13) U-joint. (14) Quill Shaft. (14A) Coupling. (15) PTO Pump. (16) Axle Lubrication

Pump.

The Transmission consists of 3 sections:

a) TC housing (1) which contains torque converter (4)

and the oil pump (6) and its housing. Tangs on the

TC neck engage in and drive the pump.

b) Bearing plate (2) which contains the rear bearings

of input, reverse shaft and output gear and the oil

supply channels. The oil channels are sealed by

the front TC housing wall.

c) Transmission housing (3) containing input shaft (5),

forward clutch (8), forward gear (7), reverse shaft (9),

reverse clutch (10), reverse gear (11), output gear (12)

and parking brake. The input shaft engages in and is

driven by the TC turbine hub spline and rotates in

same direction as the engine. It carries an input

shaft gear (5A) which is in mesh and drives the

reverse shaft gear (9A), the forward clutch (8) and the

forward gear (7), which is in mesh and drives the

output gear, when the forward clutch (8) is closed.

The reverse shaft (9) carries the reverse shaft gear

(9A), the reverse clutch (10) and the reverse gear (11)

which is in mesh and drives the output gear (12) when

the reverse clutch (10) is selected.

The quill shaft (14) is splined to the torque converter

and therefore rotates with engine speed and direction.

A coupling (14A) connects the PTO pump (15) to the

quill shaft (14).

The axle lubrication (16) pump engages in and is

driven by the reverse shaft. It always operates when

the engine rotates, but rotating speed varies with

torgue converter output.

14A