WORKHORSE CUSTOM CHASSIS
Service Manual
2007 W Series
SECTION
7.2
PAGE
30
Automatic Transmission – Allison
2007 W Series Chassis
© 2006 Workhorse Custom Chassis — All Rights Reserved
WSM082106
3
Turbine Shaft Assembly
4
Turbine Shaft
5
Bushing, 20 mm (0.8 in) ID
6
1-2-3-4, 4-5-6 Clutch Piston Housing Assembly
7
Power Take-Off (PTO) Gear
8
Turbine Tone Wheel
9
1-2-3-4, 4-5-6 Clutch Housing Assembly
10 1-2-3-4, 4-5-6 Clutch Bushing
11 1-2-3-4, 4-5-6 Clutch Housing
12 O-ring
13 External Retaining Ring
14 4-5-6 Clutch Piston Inner Seal
15 4-5-6 Clutch Piston Outer Seal
16 4-5-6 Clutch Piston
17 4-5-6 Clutch Return Spring Assembly
18 1-2-3-4 Clutch Piston Outer Seal
19 1-2-3-4 Clutch Piston Housing
20 4-5-6 Clutch Piston Return Spring Retainer
21 1-2-3-4 Clutch Piston Inner Seal
22 1-2-3-4 Clutch Piston Outer Seal
23 1-2-3-4 Clutch Piston
24 1-2-3-4 Clutch Piston Return Spring Assembly
25 1-2-3-4 Clutch Balance Piston
26 1-2-3-4 Clutch Hub Internal Retainer Ring
27 1-2-3-4 Clutch Steel Plate (6)
28 1-2-3-4 Clutch Fiber Plate (6)
29 1-2-3-4 Clutch Selective Backing Plate 5.84-6.04 mm (0.2299-
0.2378 in)
30 1-2-3-4 Clutch Backing Plate External Retainer Ring
31 1-2-3-4 Clutch Backing Plate Internal Retainer Ring
32 1-2-3-4 Clutch Hub Thrust Bearing Assembly
33 1-2-3-4 Clutch Hub
34 4-5-6 Clutch Hub Thrust Bearing
35 4-5-6 Clutch Steel Plate (7)
36 4-5-6 Clutch Fiber Plate (6)
37 4-5-6 Clutch Hub
38 Input Sun Gear Thrust Washer
39 Input Sun Gear
40 Input Sun Gear Flange
41 Input Sun Gear External Retaining Ring
TORQUE CONVERTER HOUSING/AUTOMATIC
TRANSMISSION CASE AND ASSOCIATED
COMPONENTS DISASSEMBLED VIEW
20 Torque Converter Housing
50 Transmission Case
70 Transmission Fill Tube Plug
