This document provides part numbers and descriptions for components of a Massey Ferguson 3070 tractor engine. It includes lists of parts for the cylinder block, crankshaft, pistons, connecting rods, cylinder head, rocker shaft, and turbocharger. Each item is accompanied by the part number, quantity, description, and any relevant comments. The lists contain over 75 individual engine parts.

1. MF 3070 TRACTOR - 1637172
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2. MASSEY FERGUSON
MF 3070 TRACTOR - 1637172 1637172
SECTION DIVIDER 1
Description Comments
. For UK only or any text in English only
SERIAL NUMBERS
..............
. For France only or any text in French only
NUMEROS DE
SERIES
. For Germany only or any text in German only
SERIEN NUMMER
..............
. For Italy only or any text in Italian only
MATR.O NUMERO
..............
. E
NUMERO SERIE
..............
Ref 1 Page 1

3. MF 3070 TRACTOR - 1637172
26
15 25
32
1710
9 18
12
14
22
21
13
24
19
33
7
29
5 2
4
1
6
8
27
16
30
31
3
11
Ref 5 Page 5

4. MASSEY FERGUSON
MF 3070 TRACTOR - 1637172 1637172
CYLINDER BLOCK - AT4.236 ENGINE 5
Item Part Number Qty Description Comments
AT4.236 ENGINE
1 3637381M91 1 Cylinder Block
2 1 Cylinder Block (1)
Not serviced, order REF.1
3 5 Bearing Cap (1)
Not serviced, order REF.1
4 1476108X1 10 Screw (1)
5 733072M1 10 Ring (1)
6 3637331M1 4 Liner (1)
(A)
6 3637332M1 X Liner (B)
7 731354M1 6 Plug (1)
8 735944M1 4 Plug (1)
9 731354M1 2 Plug (1)
10 1476282X1 1 Plug (1)
11 3638579M1 1 Bush (1)
Repairs and replaces 3638093M1
Repairs and replaces 734883M1
12 733705M1 1 Plug
13 735869M1 4 Plug
14 736868M1 1 Plug
15 3638294M1 1 Gasket
16 3638347M91 1 Housing Repairs and replaces 748163M91
17 1 Housing (16)
Not serviced, order REF.16
18 1447691M1 1 Seal (16)
19 740828M1 1 Joint
20 353519X1 10 Screw Unf
21 375703X1 10 Washer
22 731947M1 2 Dowel
23 357987X1 2 Bolt
24 745015M1 2 Washer
25 376180X1 1 Plug
26 376196X1 1 Washer
27 748040M1 1 Plug
28 733067M1 2 Plug
29 731996M1 1 Plug
30 376670X1 2 Plug
31 733067M1 1 Plug
32 745017M1 1 Pointer
33 731862M1 3 Stud
(A)
PRESS FIT
(B)
SLIP FIT
Ref 5 Page 5

5. MF 3070 TRACTOR - 1637172
20
10
1312
18
9
17
19
15
11
14
23
4
5
1
25
30
7
8
21
16
24
26
27
28
29
22
2
3
6
Ref 6 Page 6

6. MASSEY FERGUSON
MF 3070 TRACTOR - 1637172 1637172
CRANKSHAFT, PISTONS AND CONNECTING RODS - AT4.236 ENGINE 6
Item Part Number Qty Description Comments
AT4.236 ENGINE
1 3637402M91 1 Kit, Crankshaft
2 1 Crankshaft (1)
Not serviced, order REF.1
3 735168M91 1 Kit, Bearing (1)
(A)
3 735169M91 X Kit, Bearing (A)
Thickness (-)0.25MM
Thickness (-)0.010"
3 735170M91 X Kit, Bearing (A)
Thickness (-)0.50MM
Thickness (-)0.020"
3 735171M91 X Kit, Bearing (A)
Thickness (-)0.75MM
Thickness (-)0.030"
4 736950M91 1 Kit, Bearing (1)
(A)
Repairs and replaces 3637791M91
4 736951M91 X Kit, Bearing (A)
Thickness (-)0.25MM
Thickness (-)0.010"
4 736952M91 X Kit, Bearing (A)
Thickness (-)0.50MM
Thickness (-)0.020"
4 736953M91 X Kit, Bearing (A)
Thickness (-)0.75MM
Thickness (-)0.030"
5 747128M1 2 Washer (1)
735742M1 X Washer Thickness (+)0.19MM
Thickness (+)0.0075"
6 747129M1 2 Washer (1)
735743M1 X Washer Thickness (+)0.19MM
Thickness (+)0.0075"
7 3638115M1 1 Thrust Block (1)
8 3638113M1 3 Screw (1)
9 3637028M91 4 Kit, Conrod
10 1 Conrod (9)
Not serviced, order REF.9
11 1 Cap (9)
Not serviced, order REF.9
12 744971M1 1 Bush (9)
13 3637029M1 2 Bolt (9)
14 3637030M1 2 Nut (9)
15 3637367M91 4 Kit, Piston (B)
3637360M91 4 Kit, Piston (C)
16 1 Piston (15)
Not serviced, order REF.15
17 1 Pin (15)
Not serviced, order REF.15
18 1476196X1 1 Circlip (15)
19 1476196X1 1 Circlip (15)
20 747602M91 4 Kit, Piston Ring
21 734749M1 1 Gear 28T
22 2196X 1 Key
23 747856M91 4 Jet
24 355822X1 4 Pin
25 3637005M91 4 Valve
26 1 Body (25)
Not serviced, order REF.25
27 1 Ball (25)
Not serviced, order REF.25
28 1 Spring (25)
Not serviced, order REF.25
29 1 Retainer (25)
Not serviced, order REF.25
30 747631M1 1 Pulley
(A)
PRE-FINISHED
Ref 6 Page 6

7. MASSEY FERGUSON
MF 3070 TRACTOR - 1637172 1637172
CRANKSHAFT, PISTONS AND CONNECTING RODS - AT4.236 ENGINE 6
Item Part Number Qty Description Comments
(B)
UNTOPPED
(C)
PRE-TOPPED
Ref 6 Page 6

8. MF 3070 TRACTOR - 1637172
1
75
76
74
43 42
15
44 23 14
28
22 13
30
291221
69
32
11
33
20 31
10 24
19
258
8
70
18
16
47
46
3765
36
56 2
4055 4
5
41
7
60
58 52
57 62 1745
59 39
61 71
4963
51 72
67
6
53
66
68
54
3
34
27
26
73
48
64
50
Ref 7 Page 7

9. MASSEY FERGUSON
MF 3070 TRACTOR - 1637172 1637172
CYLINDER HEAD - AT4.236 ENGINE 7
Item Part Number Qty Description Comments
AT4.236 ENGINE
1 3637385M91 1 Cylinder
Head
2 1 Cylinder
Head
(1)
Not serviced, order REF.1
3 731354M1 1 Plug (1)
4 731410M1 1 Plug (1)
5 376178X1 1 Washer (1)
6 748420M1 4 Guide (1)
7 743097M1 4 Insert (1)
8 747552M1 4 Valve
Exhaust
(1)
9 733824M1 4 Washer (1)
10 735525M1 4 Spring (1)
11 735521M1 4 Spring (1)
12 1447652M1 4 Ring (1)
13 3637041M1 4 Seal (1)
14 746698M1 4 Cap (1)
15 736453M1 8 Cotter (1)
(A)
16 3637056M1 4 Guide (1)
17 746823M1 4 Valve Inlet (1)
18 733824M1 4 Washer (1)
19 735525M1 4 Spring (1)
20 735521M1 4 Spring (1)
21 3637041M1 4 Seal (1)
22 746698M1 4 Cap (1)
23 736453M1 8 Cotter (1)
(A)
24 748368M1 1 Plate (1)
25 3637039M1 1 Joint (1)
26 353518X1 2 Screw Unf (1)
27 1650484M1 2 Washer (1)
28 353518X1 1 Screw Unf (1)
(B)
29 375703X1 1 Washer (1)
(B)
30 1650484M1 1 Washer (1)
(B)
31 738651M1 1 Stud (1)
(B)
32 353916X1 1 Nut Unf (1)
(B)
33 1650484M1 1 Washer (1)
(B)
34 731325M1 2 Stud (1)
(B)
35 376123X1 2 Nut (1)
(B)
36 375706X1 2 Washer (1)
(B)
37 1650486M1 2 Washer (1)
(B)
38 353517X1 4 Screw Unf (C)
39 1650484M1 4 Washer (C)
40 353536X1 2 Screw Unf (C)
41 1650486M1 2 Washer (C)
42 747743M1 8 Screw
43 747742M1 12 Screw
44 747741M1 2 Screw
45 3638320M1 1 Housing Repairs and replaces 3637349M1
46 734695M1 1 Joint
47 1447384M1 1 Thermostat
48 747944M91 1 Kit, Hose
49 1 Hose (48)
Not serviced, order REF.48
50 364125X1 1 Clamp (48)
Repairs and replaces 3638538M1
Ref 7 Page 7

10. MASSEY FERGUSON
MF 3070 TRACTOR - 1637172 1637172
CYLINDER HEAD - AT4.236 ENGINE 7
Item Part Number Qty Description Comments
51 364125X1 1 Clamp (48)
Repairs and replaces 3638538M1
52 376606X1 1 Plug
53 376606X1 1 Plug
54 1476303X1 1 Stud
55 375797X1 1 Nut
56 1650486M1 1 Washer
57 361509X1 1 Screw
58 1650484M1 1 Washer
59 354226X1 1 Bolt Unf
60 1650484M1 1 Washer
61 353518X1 2 Screw Unf
62 1650484M1 2 Washer
63 353540X1 2 Screw Unf
64 1650486M1 2 Washer
65 731410M1 1 Plug
66 376178X1 1 Washer
67 737156M1 1 Connection
68 745106M1 1 Joint
69 345127X1 2 Bolt
70 1650486M1 2 Washer
71 747835M1 1 Plate
72 16589X 2 Bolt
73 1650486M1 2 Washer
74 736678M1 1 Plate
75 16589X 2 Bolt
76 1650486M1 2 Washer
(A)
SERVICED IN PAIRS
(B)
REMOVE AND FIT REFS 38,39,40 AND 41
(C)
FITTED IN PLACE OF SCREWS,STUDS,NUTS AND WASHERS S UPPLIED WITH
CYLINDER HEAD ASSEMBLY.
Ref 7 Page 7

11. MF 3070 TRACTOR - 1637172
25
27
29
28
24
21
21
22
22
23
23
23
4
4
4
4
5
5
5
5
32
2 9
9
3
7
7
7
7
1
14
20
8
19
10
10
26
13
6
30
33
31
18
12
Ref 8 Page 8

12. MASSEY FERGUSON
MF 3070 TRACTOR - 1637172 1637172
ROCKER SHAFT - AT4.236 ENGINE 8
Item Part Number Qty Description Comments
AT4.236 ENGINE
1 3637391M91 1 Rocker Shaft
2 3637395M91 1 Rocker Shaft (1)
3 731330M1 2 Plug (2)
4 3638403M1 4 Bracket (1)
Repairs and replaces 3637063M1
5 3637071M91 4 Lever (1)
Right Hand
6 895748M1 1 Bush (5)
7 3637072M91 4 Lever (1)
Left Hand
8 895748M1 1 Bush (7)
9 733811M1 2 Spring (1)
10 733812M1 2 Spring (1)
11 3637064M1 1 Connection (1)
3638499M1 1 Connection Repairs and replaces 3637064M1
12 3637065M1 1 Screw (1)
3638500M1 1 Screw (A)
13 376137X1 2 Circlip (1)
14 747876M1 2 Washer (1)
15 731516M1 8 Bolt (1)
16 376123X1 8 Nut (1)
17 739513M91 2 Shim (1)
18 740671M1 8 Tappet
19 733817M1 8 Rod
20 376525X1 1 Olive
21 361543X1 4 Bolt
22 1440275X1 4 Washer Metric
23 734912M91 1 Cover
24 3638482M1 1 Joint Repairs and replaces 748277M1
25 376192X1 4 Bolt
26 344107X1 4 Washer
27 353441X1 4 Lock Washer
28 740497M1 1 Pipe
29 3638598M1 1 Clip Repairs and replaces 375790X1
30 740498M91 1 Pipe
31 375829X1 1 Screw
32 375703X1 1 Washer
33 1650484M1 1 Washer
(A)
USED ONLY WITH 3638499M1
Ref 8 Page 8

13. MF 3070 TRACTOR - 1637172
17
1 25
18
20
15
26
24
2314
19
35
34
22
3713
11
11
33
8
27
32 10
31
7930
21
1229
28 3
4
5
2
39
40
16
38
36
6
Ref 9 Page 9

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15. MASSEY FERGUSON
MF 3070 TRACTOR - 1637172 1637172
TURBOCHARGER - AT4.236 ENGINE 9
Item Part Number Qty Description Comments
AT4.236 ENGINE
1 1447769M91 1 Turbocharger
2 3638056M1 1 Housing (1)
3 3638060M1 1 Cover (1)
4 3638061M1 1 Gasket (1)
5 4 Stud (1)
(A)
6 3638057M1 4 Nut (1)
7 4 Washer (1)
(A)
8 3638055M1 2 Clamp (1)
9 3638042M1 6 Bolt (1)
10 1896262M1 3 Lock (1)
11 3638050M1 1 Hose (1)
12 3638238M1 1 Clamp (1)
13 3638238M1 1 Clamp (1)
14 3638051M1 1 Elbow (1)
15 3638244M1 1 Housing (1)
16 3638323M1 1 Gasket (1)
Repairs and replaces 3638245M1
17 3638044M1 6 Bolt (1)
18 3638052M1 1 Clamp (1)
19 3638053M1 1 Clamp (1)
20 3638054M1 1 Clamp (1)
21 3637324M1 1 Housing (1)
(B)
22 1 Housing (21)
Not serviced, order REF.21
23 1 Nut (21)
Not serviced, order REF.21
24 1 Wheel (21)
Not serviced, order REF.21
25 1 Plate (21)
Not serviced, order REF.21
26 1 Ring (21)
Not serviced, order REF.21
27 1 Bearing (21)
Not serviced, order REF.21
28 1 Ring (21)
Not serviced, order REF.21
29 1 Collar (21)
Not serviced, order REF.21
30 1 Circlip (21)
Not serviced, order REF.21
31 1 Bearing (21)
Not serviced, order REF.21
32 1 Circlip (21)
Not serviced, order REF.21
33 4 Bolt (21)
Not serviced, order REF.21
34 1 Circlip (21)
Not serviced, order REF.21
35 1 Bearing (21)
Not serviced, order REF.21
36 1 Circlip (21)
Not serviced, order REF.21
37 1 Shroud (21)
Not serviced, order REF.21
38 1 Piston Ring (21)
Not serviced, order REF.21
39 1 Wheel (21)
Not serviced, order REF.21
40 746618M1 1 Joint
(A)
SERVICED BY GARRETT AIRESEARCH LIMITED.
(B)
Ref 9 Page 9

16. MASSEY FERGUSON
MF 3070 TRACTOR - 1637172 1637172
TURBOCHARGER - AT4.236 ENGINE 9
Item Part Number Qty Description Comments
COMPONENT PARTS OF TURBOCHARGER CENTRE HOUSING REP AIRED AND
REPLACED BY GARRETT AIRESEARCH LIMITED.
Ref 9 Page 9

17. MF 3070 TRACTOR - 1637172
1
3
4
6
7
8
8
10
2
5
12
14
15
17
11
19
16
13
18
Ref 10 Page 10