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1. MF 2645 TRACTOR - 1637158
3
1
2 64 5
5
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1227
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2322
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2. MASSEY FERGUSON
MF 2645 TRACTOR - 1637158 1637158
ENGINE AND ACCESSORIES 1
Item Part Number Qty Description Comments
1 3041037M4 1 Engine
2 353679X1 1 Screw Unc (D)
353685X1 1 Bolt Unc (C)
3 367833X1 1 Spacer (C)
4 361472X1 2 Screw
5 353446X1 3 Lock Washer
6 3320328M1 2 Spacer
7 1 Alternator See Page - Reference Number 30/
8 3040964M2 1 Spacer
9 339402X1 1 Nut Metric
10 339376X1 1 Lock Washer
11 3040963M1 1 Bearer
12 1 Compressor See Page - Reference Number 34/
13 1 Startermotor See Page - Reference Number 32/
14 353693X1 3 Screw Unc
15 361488X1 2 Screw
16 3381354M1 1 Bearer
17 353665X1 2 Screw Unc
18 353754X1 2 Washer
19 3052123M3 1 Deflector
20 3381364M91 1 Kit, Belt
21 339679X1 1 Screw Metric
22 3040961M1 1 Support
23 3040962M1 3 Spacer
24 353755X1 3 Washer
25 3381056M1 1 Tensioner
26 3381365M91 1 Cowl
27 3386214M1 1 Belt
(C)
WITH COWL
(D)
WITHOUT COWL
Ref 1 Page 1

3. MF 2645 TRACTOR - 1637158
1
2
3
4
5
6
7
98
Ref 2 Page 2

4. MASSEY FERGUSON
MF 2645 TRACTOR - 1637158 1637158
ENGINE AND ACCESSORIES - SOUTH-AFRICA 2
Item Part Number Qty Description Comments
SOUTH-AFRICA
1 339679X1 1 Screw Metric
2 3381056M1 1 Tensioner
3 361472X1 2 Screw
4 3040964M2 1 Spacer
5 339402X1 1 Nut Metric
6 339379X1 1 Washer
7 1618050M4 1 Startermotor
8 3381365M91 1 Cowl
9 3320328M1 1 Spacer
Ref 2 Page 2

5. MF 2645 TRACTOR - 1637158
38
39
6
15
16
17
2
14
19
10
20
11
13
21
12
27
28
26
3
5
4
24
25
2322
37
42
40
31
30 29
41
36
3532
9
8
1
7
18
34
33
Ref 3 Page 3

6. MASSEY FERGUSON
MF 2645 TRACTOR - 1637158 1637158
CYLINDER BLOCK - A6.354.4 ENGINE 3
Item Part Number Qty Description Comments
A6.354.4 ENGINE
1 ZZ 50041 1 Kit,Cyl.Block Repairs and replaces M7BA0441
Repairs and replaces 63621
2 31358393 6 Liner (1)
(A)
2 31358394 X Liner (B)
3 33142111 14 Thimble (1)
4 32166329 14 Bolt (1)
5 14 Washer (D)
6 32418117 6 Plug (1)
Repairs and replaces 0650618
7 32418117 2 Plug (1)
Repairs and replaces 0650618
8 0650692 1 Plug (1)
Repairs and replaces 0650664
9 0650710 4 Plug (1)
10 2431A054 1 Plug (1)
Repairs and replaces 0650586
11 32416116 5 Plug (1)
Repairs and replaces 32417155
Repairs and replaces 32418121
12 32417115 1 Plug
13 0650566 2 Plug
14 0650710 1 Plug
15 32417133 1 Plug
16 32417134 1 Plug
17 32418117 5 Plug Repairs and replaces 0650618
18 32416105 1 Plug
19 32417134 1 Plug
20 32417134 1 Plug
21 32417121 2 Plug
22 3627P011 1 Bridge
Piece
Repairs and replaces 36277825
Repairs and replaces 36277833
23 32811408 2 Joint (C)
24 2172514 2 Screw Repairs and replaces 2176369
25 0920521 2 Washer (C)
26 0826201 2 Stud
27 0576002 2 Nut
28 0920053 2 Washer
29 4142V064 1 Housing Repairs and replaces 4142V061
Repairs and replaces 4142V031
Repairs and replaces 37513851
30 2418F475 1 Seal (29)
Repairs and replaces 2415391
31 36817157 1 Joint
32 0350009 2 Dowel
33 0746211 10 Bolt
34 0920003 10 Washer
35 2172530 2 Capscrew
36 33112111 2 Washer
37 32417143 1 Plug
38 32168232 4 Plug Repairs and replaces 32168231
39 2411157 4 Washer
40 0201568 1 Connection
41 2431131 1 Plug
42 32161114 2 Plug Repairs and replaces 32161357
(A)
PRESS FIT
(B)
SLIP FIT
(C)
USED ONLY WITH 36277831/36277833. NOT REQUIRED WIT H
36277825/3627P011.
(D)
Ref 3 Page 3

7. MASSEY FERGUSON
MF 2645 TRACTOR - 1637158 1637158
CYLINDER BLOCK - A6.354.4 ENGINE 3
Item Part Number Qty Description Comments
NO LONGER REQUIRED ON THIS APPLICATION
Ref 3 Page 3

8. MF 2645 TRACTOR - 1637158
3 7
4
2 1
5
6
Ref 4 Page 4

9. MASSEY FERGUSON
MF 2645 TRACTOR - 1637158 1637158
FLYWHEEL HOUSING - A6.354.4 ENGINE 4
Item Part Number Qty Description Comments
A6.354.4 ENGINE
1 37148191 1 Plate Up to Serial or Engine Number U739319M
37148192 1 Plate Repairs and replaces U739320M
2 37813113 1 Plug
3 32186404 1 Plug Up to Serial or Engine Number U739319M
4 32455119 2 Dowel
5 0746462 6 Bolt
6 33115129 6 Washer
7 2222157 2 Screw
Ref 4 Page 4

10. MF 2645 TRACTOR - 1637158
18
13
17
14
15
7 16
11
10 6
8
9
2
12 4
19
20
5
3
1
Ref 5 Page 5

11. MASSEY FERGUSON
MF 2645 TRACTOR - 1637158 1637158
CRANKSHAFT, PISTONS AND CONNECTING RODS - A6.354.4 ENGINE 5
Item Part Number Qty Description Comments
A6.354.4 ENGINE
1 ZZ 90113 1 Kit, Crankshaft Repairs and replaces U5BG0037
Repairs and replaces 68076
2 1 Crankshaft (1)
Not serviced, order REF.1
3 68079 1 Kit, Bearing (1)
(A)
3 68079A X Kit, Bearing (A)
Thickness (-)0.25MM
Thickness (-)0.010"
3 68079B X Kit, Bearing (A)
Thickness (-)0.50MM
Thickness (-)0.020"
3 68079C X Kit, Bearing (A)
Thickness (-)0.75MM
Thickness (-)0.030"
4 31137551 2 Thrust Washer (1)
Repairs and replaces 31137311
4 31137312 X Thrust Washer Thickness (+)0.19MM
Thickness (+)0.0075"
5 31137561 2 Thrust Washer (1)
Repairs and replaces 31137321
5 31137322 X Thrust Washer Thickness (+)0.19MM
Thickness (+)0.0075"
6 85043 1 Kit, Bearing (1)
(A)
6 85043A X Kit, Bearing (A)
Thickness (-)0.25MM
Thickness (-)0.010"
6 85043B X Kit, Bearing (A)
Thickness (-)0.50MM
Thickness (-)0.020"
6 85043C X Kit, Bearing (A)
Thickness (-)0.75MM
Thickness (-)0.030"
7 ZZ 90009 6 Kit, Conrod Repairs and replaces M7BJ0015
8 1 Conrod (7)
Not serviced, order REF.7
9 1 Cap (7)
Not serviced, order REF.7
10 31134123 1 Bush (7)
11 32762144 2 Bolt (7)
12 33221328 2 Nut (7)
13 U5LU0019 6 Kit, Piston (B)
Repairs and replaces U5LU0016
Repairs and replaces U5LU0013
Repairs and replaces 68392
13 U5LP0021 6 Kit, Piston (C)
Repairs and replaces U5LP0019
Repairs and replaces U5LP0014
Repairs and replaces 68393
14 1 Piston (13)
Not serviced, order REF.13
15 1 Pin (13)
Not serviced, order REF.13
16 0170002 1 Circlip (13)
17 0170002 1 Circlip (13)
18 41158017 6 Kit, Piston Ring
19 31171211 1 Gear,Crankshaft (D,E)
28T
19 31171682 1 Gear,Crankshaft (F,G)
28T
20 0500012 1 Woodruff Key (E,G)
(A)
PRE-FINISHED
(B)
UNTOPPED
Ref 5 Page 5

12. MASSEY FERGUSON
MF 2645 TRACTOR - 1637158 1637158
CRANKSHAFT, PISTONS AND CONNECTING RODS - A6.354.4 ENGINE 5
Item Part Number Qty Description Comments
(C)
PRE-TOPPED
(D)
USED ONLY WITH 68076
(E)
NOT INCLUDED IN 68076
(F)
USED ONLY WITH U5BG0037.AND ZZ90113.
(G)
ALSO INCLUDED IN U5BG0037. AND ZZ90113.
Ref 5 Page 5

13. MF 2645 TRACTOR - 1637158
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39
21
22
40
14
13
33 41
35
36
37
25
27
29 28
20
26
1
23
30
31
38
34
42
32
44
2
3
24
11
43
4
Ref 6 Page 6

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15. MASSEY FERGUSON
MF 2645 TRACTOR - 1637158 1637158
CYLINDER HEAD - A6.354.4 ENGINE 6
Item Part Number Qty Description Comments
A6.354.4 ENGINE
1 ZZ 80067 1 Kit, Cyl. Head Repairs and replaces ZZ80050
Repairs and replaces 68169
2 33125121 X Insert
3 31431315 6 Valve Inlet (1)
4 3343F002 6 Guide (1)
Repairs and replaces 33261732
Repairs and replaces 3343F001
5 33415118 6 Washer (1)
6 33817117 6 Seal (1)
7 31744131 6 Spring (1)
8 31745121 6 Spring (1)
9 33423147 6 Cap (1)
Repairs and replaces 33423122
10 33173108 12 Cotter (1)
(A)
11 33152139 X Insert
12 3142A051 6 Valve Exhaust (1)
Repairs and replaces 31431961
13 3343J002 6 Guide (1)
Repairs and replaces 3343J001
14 33415118 6 Washer (1)
15 33817117 6 Seal (1)
16 31744131 6 Spring (1)
17 31745121 6 Spring (1)
18 33423147 6 Cap (1)
Repairs and replaces 33423122
19 33173108 12 Cotter (1)
(A)
20 3312K014 6 Sleeve (1)
Repairs and replaces 33242112
21 2431154 3 Plug (1)
22 32417165 6 Plug (1)
Repairs and replaces 32417127
23 32417156 13 Plug (1)
Repairs and replaces 32417122
24 0650563 4 Plug (1)
25 3612M002 1 Plate (1)
Repairs and replaces 36124433
26 0490485 1 Joint (1)
27 0826244 6 Stud (1)
28 0576002 6 Nut (1)
29 0920053 6 Washer (1)
30 3681H202 1 Head Gasket Repairs and replaces 36812613
Repairs and replaces 36812607
31 2116190 2 Dowel
32 32526319 2 Stud
33 33531136 1 Nut Repairs and replaces 33531132
34 32526324 9 Stud
35 33531136 9 Nut Repairs and replaces 33531132
36 32526323 4 Stud
37 33531136 4 Nut Repairs and replaces 33531132
38 2172142 6 Bolt
39 32166221 6 Bolt
40 32166219 12 Bolt
41 32114501 3 Plug
42 2431154 1 Plug
43 0650203 1 Plug
44 2411157 1 Washer
(A)
SERVICED IN PAIRS
Ref 6 Page 6

16. MF 2645 TRACTOR - 1637158
1
2
34
5 6 9 8
7
11
13 12
14
26
29
61
30
53
58
57 59 60
67
68
46
49
52 51
50
34
38
18 23
42
66
45434441
15 64
19
21 20
22
24
25
65
62
63
33
10
17
36 35
32 31
28 27
48 47
54
5556
37
40 39
16
Ref 7 Page 7

17. MASSEY FERGUSON
MF 2645 TRACTOR - 1637158 1637158
ROCKER SHAFT - A6.354.4 ENGINE 7
Item Part Number Qty Description Comments
A6.354.4 ENGINE
1 ZZ 90036 1 Rocker Shaft Ass Repairs and replaces 62843
2 ZZ 90046 1 Rocker Shaft (1)
Repairs and replaces 58768
3 1 Shaft (2)
Not serviced, order REF.2
4 0650507 2 Plug (2)
5 0170151 1 Circlip (1)
6 33117434 1 Washer (1)
Repairs and replaces 33117415
7 41151482 1 Rockerarm (1)
Right Hand
8 1 Lever (7)
Not serviced, order REF.7
9 2511425 1 Bush (7)
10 37521471 1 Bracket (1)
Repairs and replaces 37521431
11 41151481 1 Rockerarm (1)
Left Hand
12 1 Lever (11)
Not serviced, order REF.11
13 2511425 1 Bush (11)
14 31744123 1 Spring (1)
15 41151482 1 Rockerarm (1)
Right Hand
16 1 Lever (15)
Not serviced, order REF.15
17 2511425 1 Bush (15)
18 37521471 1 Bracket (1)
Repairs and replaces 37521431
19 41151481 1 Rockerarm (1)
Left Hand
20 1 Lever (19)
Not serviced, order REF.19
21 2511425 1 Bush (19)
22 31743108 1 Spring (1)
23 3775E011 1 Connection (1)
Repairs and replaces 35511111
24 0726504 1 Setscrew (A)
2231236 1 Setscrew (1)
(B)
25 31743108 1 Spring (1)
26 41151482 1 Rockerarm (1)
Right Hand
27 1 Lever (26)
Not serviced, order REF.26
28 2511425 1 Bush (26)
29 37521471 1 Bracket (1)
Repairs and replaces 37521431
30 41151481 1 Rockerarm (1)
Left Hand
31 1 Lever (30)
Not serviced, order REF.30
32 2511425 1 Bush (30)
33 31744123 1 Spring (1)
34 41151482 1 Rockerarm (1)
Right Hand
35 1 Lever (34)
Not serviced, order REF.34
36 2511425 1 Bush (34)
37 37521471 1 Bracket (1)
Repairs and replaces 37521431
38 41151481 1 Rockerarm (1)
Left Hand
39 1 Lever (38)
Not serviced, order REF.38
40 2511425 1 Bush (38)
41 31744123 1 Spring (1)
42 41151482 1 Rockerarm (1)
Ref 7 Page 7