Allison Transmission MT643 Service Manual

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Allison Transmission MT643 Service Manual

ALLISON

MT/B 640, 643, 644, 647, 650, 653, 654

To Get The Correct Parts, You Must Provide The Assembly Number Found On The Transmisson Name Plate.

144

ALLISON

MT/B 640, 643, 644, 647, 650, 653, 654

To Get The Correct Parts, You Must Provide The Assembly Number Found On The Transmisson Name Plate.

ill.

DESCRIPTION

 

QTY.

YEAR

PART NO.

REFERENCE NO.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AT640

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Allison Transmissions

 

 

 

 

 

 

 

 

 

MT/B 640, 643, 644, 647, 650, 653, 654

 

 

 

 

 

 

21 Bolt Pan

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

REBUILDER KITS

 

 

 

 

 

 

 

 

 

 

 

DELUXE

MASTER

LESS STEELS

OVERHAUL

 

GASKET &

 

DESCRIPTION

QTY.

YEAR

 

KIT

O/H KIT

 

KIT

KIT

 

SEAL KIT

 

 

 

 

 

 

 

 

 

 

 

 

 

Kits - 640-643 (1)

1

-

 

 

K2100

K2100-LS

 

 

 

 

Kits - 650-653 (2)

1

-

 

 

K2100A

K2100A-LS

 

 

 

 

Kits - 644 - PH1,2

1

-

 

 

K2100B

K2100B-LS

 

 

 

 

Kits - 654 - PH1,2

1

-

 

 

K2100D

K2100D-LS

 

 

 

 

Kit - 640-643/650-653 - w/Cork

 

 

 

 

 

 

 

 

 

 

 

 

Neo - w/Teflon Seal Kit

1

-

 

 

 

 

 

K21900

 

 

 

Kit - 640-643/650-653 -

 

 

 

 

 

 

 

 

 

 

 

 

w/Victopac - Vespel Ring Kit

1

-

 

 

 

 

 

K21900FW

 

 

 

Kit - 644/654 - w/Cork/Neo -

 

 

 

 

 

 

 

 

 

 

 

 

Standard Ring Kit

1

-

 

 

 

 

 

K21900B

 

 

 

Kit - 644/654 - w/Victopac -

 

 

 

 

 

 

 

 

 

 

 

 

Vespel Ring Kit (29530326)

1

-

 

 

 

 

 

K21900HW

 

 

 

Front Pump Reseal Kit (3)

1

-

 

 

 

 

 

 

 

K21900-2

 

Kit - w/o Pan Gasket -

 

 

 

 

 

 

 

 

 

 

 

 

640/643/650/653

1

-

 

 

 

 

 

K21900NP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(1) To replace 29502306 Factory Master Kit, also order K21950 bearing kit and 21800 filter.

 

 

 

 

 

(2) To replace 29502307 Factory Master Kit, also order K21950 bearing kit and 21800 filter.

 

 

 

 

 

(3) Contains front pump gasket, rubber lathe cut seal, o-ring and pump bolt washers.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

145

ALLISON

MT/B 640, 643, 644, 647, 650, 653, 654

To Get The Correct Parts, You Must Provide The Assembly Number Found On The Transmisson Name Plate.

ill.

 

DESCRIPTION

 

QTY.

YEAR

PART NO.

REFERENCE NO.

 

MISCELLANEOUS GASKETS & SEALS/PAN

GASKETS

 

1F

Gasket - Oil Pan - Cork & Neoprene............................................................................

 

1

-

13540X

29501160

1F

Gasket - Oil Pan - Update - Armstrong®...................................................

(23016682)

1

-

13540W

29501160

3A

O - Ring - Lockup Clutch - Inner - Polyacrylate - exc. 644,654...................................

 

1

-

3366PL

6770820

3A

Seal - Lathe Cut

- Lockup Clutch - Inner - 644, 654...................................................

 

1

-

13176

6770492

5A

Seal - Lathe Cut

- Lockup Clutch - Outer - exc. 644, 654...........................................

 

1

-

13159

6758036

5A

Seal - Lathe Cut

- Lockup Clutch - Outer - 644, 654..................................................

 

1

-

13177

6758740

7A

Seal - Lathe Cut

- Lockup Clutch Backing Plate (Yellow Stripe)..................................

 

1

-

13151

23016564

9A

Gasket - Converter Pump Hub - 640,650...................................................................

 

1

-

13150W

29536726

9A

Gasket - Converter Pump Hub - 644, 654..................................................................

 

1

-

13174

6771366

12A

Seal - Lathe Cut

- Converter Pump Cover - exc. 644, 654 (Yellow Stripe)...................

 

1

-

13151

23016564

12A

Seal - Lathe Cut

- Converter Pump Cover - 644, 654 (Green Stripe)...........................

 

1

-

13175

6880389

15B

Seal - Lathe Cut

- Front Pump (Green Stripe).............................................................

 

1

-

13160

23016347

N.I.

Seal - Washer - Front Pump Bolt...............................................................

(6834908)

12

-

13161

29512113

18B

Gasket - Front Pump To Case.....................................................................................

 

1

-

13162

23046344

20B

Lip Seal - Forward Clutch - Inner................................................................

(8623121)

1

-

3284L

23015880

21B

Lip Seal - Forward Clutch - Outer...............................................................................

 

1

-

13163

6833981

25C

Lip Seal - Fourth Clutch - Outer..................................................................................

 

1

-

13163

6833981

26C

Lip Seal - Fourth Clutch - Inner..................................................................................

 

1

-

3284L

23015880

28C

Lip Seal - Third Clutch - Inner.....................................................................................

 

1

-

13164

23011471

29C

Lip Seal - Third Clutch - Outer....................................................................................

 

1

-

13165

6883035

N.I.

O-ring - Center Support (Starting With Serial No. 100432).........................................

 

1

-

13172

6761244

32C

Lip Seal - Second Clutch - Outer................................................................................

 

1

-

13165

6883035

34C

Lip Seal - Second Clutch - Inner.................................................................................

 

1

-

13164

23011471

47F

Gasket - Power Takeoff Cover - Update - Armstrong®..............................

(23016683)

1

-

13158W

29501161

49F

Gasket - Lube Valve Adapter......................................................................................

 

1

-

13166

6884872

52F

O-ring - Oil Filter Tube (Polyacrylate)..........................................................................

 

1

-

3435PL

6762127

51F

O-ring - Modulator...................................................................................

(23017367)

1

-

3410L

8658110

36E

Lip Seal - First Clutch - Outer.....................................................................................

 

1

-

13169

6883033

37E

Lip Seal - First Clutch - Inner......................................................................................

 

1

-

13170

6883031

39E

Gasket - Adapter Housing..........................................................................

(6837442)

1

-

13171

23045099

43E

Lip Seal - Low Clutch - Outer.....................................................................................

 

1

-

13165

6883035

44E

Lip Seal - Low Clutch - Inner......................................................................................

 

1

-

13170

6883031

55F

Gasket - Rear Cover...................................................................................................

 

1

-

13171

23045099

57F

Gasket - Governor Cover - Fibre.................................................................................

 

1

-

3914D

23011670

57F

Gasket - Governor Cover - Update - Armstrong®.....................................

(23011670)

1

-

3914LW

23018625

59F

O-ring - Governor Filter/Cooler Fitting.........................................................................

 

1-2

-

13173

6882689

N.I.

Washer - Drain Plug -Coated......................................................................................

 

1

-

11423B

29507909

N.I.

Washer - Cover - Coated............................................................................................

 

1

-

21154

N.L.

N.I.

O-Ring - Converter Plug/Cooler Fitting (Brown)..........................................................

 

1

-

13180

N.L.

 

 

 

 

 

 

 

 

 

CLUTCH PLATES

 

 

 

 

60A

Friction - Lockup Clutch - Graphitec - 640, 643,650, 653 - Not In Kits (4).

.................

1

-

R21106

23046108

60A

Friction - Lockup Clutch - 644, 654 - Not In Kits (5) ..................................................

 

1

-

W31102

23048511

63B

Friction - Forward Clutch (4) .....................................................................................

 

5/6

-

R21103

23042200

63B

Friction - Forward Clutch (5) .....................................................................................

 

5/6

-

W21103

23042200

65C

Friction - Fourth Clutch (4) ........................................................................................

 

4/5

-

R21103

23042200

65C

Friction - Fourth Clutch (5) ........................................................................................

 

4/5

-

W21103

23042200

67C

Friction - Third Clutch (4) ..........................................................................................

 

3

-

R21104

23042201

67C

Friction - Third Clutch (5) ..........................................................................................

 

3

-

W21104

23042201

69C

Friction - Second Clutch (4) ......................................................................................

 

3/4

-

R21104

23042201

69C

Friction - Second Clutch (5) ......................................................................................

 

3/4

-

W21104

23042201

81E

Friction - First Clutch (4) .........................................................................

(23042199)

6

-

R11104

29529492

81E

Friction - First Clutch (5) ...........................................................................................

 

6

-

W11104

23042199

 

(4) Raybestos brand plate. OEM approved heat-treated paper.

 

 

 

 

 

 

(5) S.K. Wellman plate. OEM approved graphitic.

 

 

 

 

 

 

 

 

 

 

 

 

 

146

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