the best repair manual

1. MASSEY FERGUSON
MF 2680 TRACTOR, |-> 271213 - 1637121 1637121
TABLE OF CONTENT 00
Ref 00 Page 00

2. MASSEY FERGUSON
MF 2680 TRACTOR, |-> 271213 - 1637121 1637121
TABLE OF CONTENT 00
Ref 00 Page 00

3. MASSEY FERGUSON
MF 2680 TRACTOR, |-> 271213 - 1637121 1637121
TABLE OF CONTENT 00
Ref 00 Page 00

4. MF 2680 TRACTOR, |-> 271213 - 1637121
2
43
38
44
17 1
71639
18
33
6 34
15
3532
1114 8
9
19
36
10
20
2930
41
31
13 42
21
403712 2322
3
528
2527
4
26
24
Ref 8 Page 8

5. MASSEY FERGUSON
MF 2680 TRACTOR, |-> 271213 - 1637121 1637121
CYLINDER BLOCK - AT6.354.4 ENGINE 8
Item Part Number Qty Description Comments
AT6.354.4 ENGINE
1 ZZ 50008 1 Kit,Cyl.Block Repairs and replaces ZZ50043
Repairs and replaces 63614
2 31358393 6 Liner (1)
(A)
2 31358394 X Liner (B)
31358398 X Liner Repairs and replaces 31358403
Thickness (+) 0.010"
Thickness (+) 0.25MM
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 32418122 1 Plug Repairs and replaces 0650712
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 32417127 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 32417115 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
43 32161317 1 Plug
44 2411156 1 Washer
(A)
PRESS FIT
(B)
SLIP FIT
Ref 8 Page 8

6. MASSEY FERGUSON
MF 2680 TRACTOR, |-> 271213 - 1637121 1637121
CYLINDER BLOCK - AT6.354.4 ENGINE 8
Item Part Number Qty Description Comments
(C)
USED ONLY WITH 36277831/36277833. NOT REQUIRED WIT H
36277825/3627P011.
(D)
NO LONGER REQUIRED ON THIS APPLICATION
Ref 8 Page 8

7. MF 2680 TRACTOR, |-> 271213 - 1637121
7
3
4
5
6
1
2
Ref 12 Page 12

8. MASSEY FERGUSON
MF 2680 TRACTOR, |-> 271213 - 1637121 1637121
FLYWHEEL HOUSING - AT6.354.4 ENGINE 12
Item Part Number Qty Description Comments
AT6.354.4 ENGINE
1 37148191 1 Plate Up to Serial or Engine Number U739319M
37148192 1 Plate From Serial or Engine Number 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 12 Page 12

9. MF 2680 TRACTOR, |-> 271213 - 1637121
18
13
17
14
15
7 16
11
610
8
9
2
412
19
20
5
3
1
Ref 14 Page 14

10. MASSEY FERGUSON
MF 2680 TRACTOR, |-> 271213 - 1637121 1637121
CRANKSHAFT, PISTONS AND CONNECTING RODS - AT6.354.4 ENGINE 14
Item Part Number Qty Description Comments
AT6.354.4 ENGINE
1 ZZ 90086 1 Kit, Crankshaft Repairs and replaces U5BG0035
Repairs and replaces 68077
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 U5ME0003 1 Kit, Bearing (1)
(A)
Repairs and replaces 89064
6 U5ME0003A X Kit, Bearing (A)
Thickness (-)0.25MM
Thickness (-)0.010"
Repairs and replaces 89064A
6 U5ME0003B X Kit, Bearing (A)
Thickness (-)0.50MM
Thickness (-)0.020"
Repairs and replaces 89064B
6 U5ME0003C X Kit, Bearing (A)
Thickness (-)0.75MM
Thickness (-)0.030"
Repairs and replaces 89064C
7 ZZ 90013 6 Kit, Conrod Repairs and replaces M7BJ0053
8 1 Conrod (7)
Not serviced, order REF.7
9 1 Cap (7)
Not serviced, order REF.7
10 31134131 1 Bush (7)
11 32762144 2 Bolt (7)
12 33221328 2 Nut (7)
13 68802 6 Kit, Piston (B,D)
Repairs and replaces 68390
13 68803 6 Kit, Piston (C,D)
Repairs and replaces 68391
14 1 Piston (13)
Not serviced, order REF.13
15 1 Pin (13)
Not serviced, order REF.13
16 2721A029 1 Circlip (13)
17 2721A029 1 Circlip (13)
18 41158005 6 Kit, Piston Ring (D,E)
19 31171211 1 Gear,Crankshaft (F,G)
28T
19 31171682 1 Gear,Crankshaft (H,J)
28T
20 0500012 1 Woodruff Key (G,J)
(A)
PRE-FINISHED
(B)
UNTOPPED
Ref 14 Page 14

11. MASSEY FERGUSON
MF 2680 TRACTOR, |-> 271213 - 1637121 1637121
CRANKSHAFT, PISTONS AND CONNECTING RODS - AT6.354.4 ENGINE 14
Item Part Number Qty Description Comments
(C)
PRE-TOPPED
(D)
REFER TO SERVICE BULLETIN NO.10
(E)
REPLACES 68238/68498
(F)
USED ONLY WITH 68077
(G)
NOT INCLUDED IN 68077
(H)
USED ONLY WITH U5BG0035 AND ZZ90086.
(J)
ALSO INCLUDED IN U5BG0035. AND ZZ90086.
Ref 14 Page 14

12. MF 2680 TRACTOR, |-> 271213 - 1637121
10
9
19
8
18
7 39 3817
6
5 2116
35
374
15
2822 292541 2033 40 27
14
13
26
1
2331
3024
43
113
44
2
3612
34
42
32
Ref 18 Page 18

13. MASSEY FERGUSON
MF 2680 TRACTOR, |-> 271213 - 1637121 1637121
CYLINDER HEAD - AT6.354.4 ENGINE 18
Item Part Number Qty Description Comments
AT6.354.4 ENGINE
1 ZZ 80024 1 Kit, Cyl. Head Repairs and replaces ZZ80027
Repairs and replaces 68172
2 33152155 6 Insert (1)
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 33152154 6 Insert (1)
12 3142A051 6 Valve Exhaust (1)
Repairs and replaces 31431961
13 3343J002 6 Guide (1)
Repairs and replaces 3343J001
Repairs and replaces 33261754
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 1 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 1 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 1 Plug
42 2431154 1 Plug
43 0650203 1 Plug
44 2411157 1 Washer
(A)
SERVICED IN PAIRS
Ref 18 Page 18

14. MF 2680 TRACTOR, |-> 271213 - 1637121
1
1
2
2
3 24
19
25
2215 21
161711
7 14 65
13
95
662318
42
453810 434441
4
6
33
62
8
63
37
31
34
29 5830
605961 5753
67
55
26
28
54
27
49
50
36
46
68
35
64 20
40 39
32
48
47
52 51
56
Ref 20 Page 20

15. MASSEY FERGUSON
MF 2680 TRACTOR, |-> 271213 - 1637121 1637121
ROCKER SHAFT - AT6.354.4 ENGINE 20
Item Part Number Qty Description Comments
AT6.354.4 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 20 Page 20

16. MASSEY FERGUSON
MF 2680 TRACTOR, |-> 271213 - 1637121 1637121
ROCKER SHAFT - AT6.354.4 ENGINE 20
Item Part Number Qty Description Comments
Right Hand
43 1 Lever (42)
Not serviced, order REF.42
44 2511425 1 Bush (42)
45 37521471 1 Bracket (1)
Repairs and replaces 37521431
46 41151481 1 Rockerarm (1)
Left Hand
47 1 Lever (46)
Not serviced, order REF.46
48 2511425 1 Bush (46)
49 31744123 1 Spring (1)
50 41151482 1 Rockerarm (1)
Right Hand
51 1 Lever (50)
Not serviced, order REF.50
52 2511425 1 Bush (50)
53 37521471 1 Bracket (1)
Repairs and replaces 37521431
54 41151481 1 Rockerarm (1)
Left Hand
55 1 Lever (54)
Not serviced, order REF.54
56 2511425 1 Bush (54)
57 0720579 12 Screw (1)
58 0576052 12 Nut (1)
59 33117434 1 Washer (1)
Repairs and replaces 33117415
60 0170151 1 Circlip (1)
61 2215274 4 Stud
62 0576054 4 Nut
63 33116111 4 Washer
64 0096636 2 Bolt
65 33116111 2 Washer
66 33811113 1 Olive
67 31434307 12 Pushrod
68 31434163 12 Tappet
(A)
USE ONLY WITH CONNECTION 35511111
(B)
USE ONLY WITH CONNECTION 3775E011
Ref 20 Page 20

17. MF 2680 TRACTOR, |-> 271213 - 1637121
4
5
6
1
3
2
Ref 24 Page 24

18. MASSEY FERGUSON
MF 2680 TRACTOR, |-> 271213 - 1637121 1637121
ENGINE LIFTING - AT6.354.4 ENGINE 24
Item Part Number Qty Description Comments
AT6.354.4 ENGINE
1 36445325 1 Plate Repairs and replaces 36445322
2 0746453 2 Setscrew
3 0920054 2 Washer
4 36237734 1 Bracket
5 0746453 2 Setscrew
6 0920054 2 Washer
Ref 24 Page 24

19. MF 2680 TRACTOR, |-> 271213 - 1637121
30
6
28
28
28
27
27
24
17 25
16
26
238
29 13
7 12
11
22
21
29 15
10 1418
31 19
201
3
5
4
Ref 26 Page 26

20. MASSEY FERGUSON
MF 2680 TRACTOR, |-> 271213 - 1637121 1637121
TURBOCHARGER - AT6.354.4 ENGINE 26
Item Part Number Qty Description Comments
AT6.354.4 ENGINE
1 2674355 1 Turbocharger (B)
2 26741035 1 Housing (1)
3 26741029 3 Clamp (1)
4 26741038 6 Bolt (1)
5 26741030 3 Plate (1)
6 26741044 1 Housing (1)
7 26741024 3 Clamp (1)
8 26741022 6 Bolt
9 26741023 3 Plate (1)
10 26741039 1 Housing (1)
11 26741015 1 Housing (10)
12 1 Housing (11)
Not serviced, order REF.11
13 2 Pin (11)
Not serviced, order REF.11
14 26741042 1 Impeller (10)
15 26741075 1 Nut (10)
Repairs and replaces 26741002
16 26741026 1 Wheel (10)
17 26741065 1 Piston Ring (10)
Repairs and replaces 26741031
18 26741008 1 Plate (10)
19 1 Plate (18)
Not serviced, order REF.18
20 26741025 1 Spring (18)
21 26741006 4 Bolt (10)
22 26741007 2 Plate (10)
23 26741009 1 Ring (10)
24 26741010 1 Ring (10)
25 26741011 1 Collar (10)
26 26741012 1 Bearing Thrust (10)
27 26741013 2 Bearing Bush (10)
28 26741014 4 Ring (10)
29 26741016 1 Shroud (10)
30 36885008 1 Gasket (A)
Repairs and replaces 2674922
31 26741060 X Kit, Repair
(A)
NO LONGER INCLUDED IN ASSEMBLY
(B)
USE 2674404 SEE 0647T03M
Ref 26 Page 26

21. MF 2680 TRACTOR, |-> 271213 - 1637121
7
11
6
1032 4
5
18
20
19
16
24
23
17
13
2112
9
8
26
22
251
14
15
Ref 27A Page 27A

22. MASSEY FERGUSON
MF 2680 TRACTOR, |-> 271213 - 1637121 1637121
TURBOCHARGER - AT6.354.4 ENGINE 27A
Item Part Number Qty Description Comments
AT6.354.4 ENGINE
1 2674404 1 Turbocharger Repairs and replaces 2674355
2 28730767 1 Cover (1)
3 28730774 1 Core (1)
4 28730768 1 Wheel (3)
5 28730764 1 Nut (3)
6 28730752 1 Ring (3)
7 28730759 1 Insert (3)
8 28730753 1 Piston Ring (3)
9 28730757 1 Sleeve (3)
10 28730754 1 Deflector (3)
11 28730756 1 O Ring (3)
12 28730758 1 Bearing Thrust (3)
13 28730769 1 Housing (3)
14 28730763 1 Bearing Thrust (3)
15 28730765 1 Piston Ring (3)
16 28730770 1 Shaft (3)
17 28730762 1 Plate (3)
18 28730751 4 Screw (1)
19 28730760 2 Plate (1)
20 28730761 2 Plate (1)
21 28730773 6 Screw (1)
22 28730755 3 Plate (1)
23 28730771 1 Housing (1)
24 28730766 1 Rivet (1)
25 36885008 1 Gasket
26 28730775 X Kit, Turbochargr
Ref 27A Page 27A

23. MF 2680 TRACTOR, |-> 271213 - 1637121
1
16
17
1814
3 15
4 19
126
137
2
8
5
21
10
911
20
Ref 28 Page 28

24. MASSEY FERGUSON
MF 2680 TRACTOR, |-> 271213 - 1637121 1637121
TURBOCHARGER-INLET AND EXHAUST MANIFOLD - AT6.354.4 ENGINE 28
Item Part Number Qty Description Comments
AT6.354.4 ENGINE
1 37782952 1 Exhaust Manifold
2 0826456 4 Stud
3 2188135 4 Nut
4 33115117 4 Spacer
5 0826475 4 Stud
6 2188135 4 Nut
7 33115117 4 Spacer
8 37788421 1 Ind.Manifold
9 0826408 1 Stud
10 2188135 1 Nut
11 33115129 1 Washer
12 0096436 2 Bolt
13 33115129 2 Washer
14 0096431 4 Bolt
15 33115129 4 Washer
16 0096448 1 Screw
17 33115129 1 Washer
18 2431154 1 Plug
19 2431154 1 Plug
20 3688A003 1 Gasket (A)
21 0650722 1 Plug
(A)
WAS 37467104/37467105/36866746/36862191
Ref 28 Page 28

25. MF 2680 TRACTOR, |-> 271213 - 1637121
41
12
13
11
18 8
9
10
14
15
6
73 16
1
2517
2 43 2645 21 2444
205
5
28 23
4 22
30 37
29 42 40
38
3932
32
31
27
33
3435
36
19
Ref 30 Page 30

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27. MASSEY FERGUSON
MF 2680 TRACTOR, |-> 271213 - 1637121 1637121
TURBOCHARGER-PIPES AND HEAT SHIELDS - AT6.354.4 ENGINE 30
Item Part Number Qty Description Comments
AT6.354.4 ENGINE
1 37741691 1 Connection
2 33823115 1 Hose
3 21825200 2 Clip Repairs and replaces 0180070
4 0200033 1 Hose
5 21825201 2 Clip Repairs and replaces 0180072
6 37738762 1 Adaptor
7 33422631 1 Adaptor
8 0096431 4 Bolt
9 31733126 4 Washer
10 41244305 1 Pipe,Oil
11 1 Pipe (10)
Not serviced, order REF.10
12 36568145 1 Clip (10)
13 36832138 1 Joint Repairs and replaces 36832131
14 0096232 1 Bolt
15 0920053 1 Washer
16 0330893 1 Spacer
17 0826412 4 Stud
18 2188135 4 Nut
19 33115117 4 Spacer
20 37764581 1 Adaptor
21 2431131 1 Plug
22 33554127 1 Connection Repairs and replaces 33554323
23 2411252 1 Washer Repairs and replaces 2411157
24 0206008 1 Union
25 0576116 1 Nut
26 0566007 1 Olive
27 41242066 1 Pipe,Oil
28 36861454 1 Joint
29 0748522 2 Screw
30 0920054 2 Washer
31 33851122 1 Hose
32 0180064 2 Clip
33 35721489 1 Pipe,Oil
34 36833144 1 Joint
35 0746254 2 Setscrew
36 0920053 2 Washer
37 3648M002 1 Heatshield
38 0746452 2 Setscrew
39 0920004 2 Washer
40 0920054 2 Washer
41 2431131 1 Plug
42 36451138 1 Heatshield
43 0746452 2 Setscrew
44 0920004 2 Washer
45 0920054 2 Washer
Ref 30 Page 30

28. MF 2680 TRACTOR, |-> 271213 - 1637121
10
12
18
17
11
24
23
2219
20 21
15 32
31
29
28
13 27
14
16
2625 34
33
31
37
3941
3842
40
5
36 4
35
9
8
46
45
48
47 2
44 7
43 50 652
49
51
30
Ref 32 Page 32