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1. Massey Ferguson
394S TRACTOR (PRIOR TO S/N D03066) 3311549B
TABLE OF CONTENT Page00-00

2. Massey Ferguson
394S TRACTOR (PRIOR TO S/N D03066) 3311549B
TABLE OF CONTENT Page00-00

3. Massey Ferguson
394S TRACTOR (PRIOR TO S/N D03066) 3311549B
TABLE OF CONTENT Page00-00

4. 394S TRACTOR (PRIOR TO S/N D03066)
1
Ref 1 Page 1

5. Massey Ferguson
394S TRACTOR (PRIOR TO S/N D03066) 3311549B
ENGINE, A4.248 ENGINE Page1
Item Part Number Description
1 3637747M91 (C) Engine
3478238M91 (C) Short Engine
****************************************
(C) For MF 384F/384H/384S and Landini
8560F/8560L Tractors Only

6. 394S TRACTOR (PRIOR TO S/N D03066)
15
9
142 10
8
13
19
20
21
22
23
17
27
25
7
3
29
16
5
4
24
18
28
26
11
12
16
Ref 2 Page 2

7. Massey Ferguson
394S TRACTOR (PRIOR TO S/N D03066) 3311549B
CYLINDER BLOCK, A4.248 ENGINE Page2
Item Part Number Qty Description
1 3637491M91 1 Cylinder Block
2 3637333M1 4 (A) Liner (Incl. in Item 1)
3637034M1 (B) Liner
3 731354M1 6 Plug (Incl. in Item 1)
4 746259M1 4 Plug (Incl. in Item 1)
5 733072M1 10 Ring (Incl. in Item 1)
6 1476108X1 10 Screw (Incl. in Item 1)
7 3638579M1 1 Bush (Incl. in Item 1) (Repairs and Replaces 3638093M1) (Repairs and Replaces 734883M1)
8 731354M1 2 Plug (Incl. in Item 1)
9 1476282X1 1 Plug (Incl. in Item 1)
10 733705M1 1 Plug (Incl. in Item 1)
11 376180X1 1 Plug (Incl. in Item 1)
12 3638664M1 1 Washer (Incl. in Item 1) (Repairs and Replaces 376196X1)
13 735869M1 4 Plug (Incl. in Item 1)
14 736868M1 1 Plug (Incl. in Item 1)
15 3638358M1 1 Head Gasket (Repairs and Replaces 3637341M1)
16 3638347M91 1 Housing (Repairs and Replaces 748163M91)
17 1447691M1 1 Seal (Incl. in Item 16)
18 740828M1 1 Joint
19 353519X1 10 Screw Unf
20 375703X1 10 Washer
21 731947M1 2 Dowel
22 357987X1 2 Bolt
23 745015M1 2 Washer
24 731996M1 1 Plug
25 733067M1 2 Plug
26 3637016M1 2 Plug
27 733067M1 1 Plug
28 745017M1 1 Pointer
29 748040M1 1 Plug
****************************************
(A) Press Fit
(B) Slip Fit

8. 394S TRACTOR (PRIOR TO S/N D03066)
10
2612 25
19
17
18
15
4
5
1
2
22
24 323
6
7
20
16
13
9
11
14
8
21
Ref 3 Page 3

9. Massey Ferguson
394S TRACTOR (PRIOR TO S/N D03066) 3311549B
CRANKSHAFT, PISTONS AND CONNECTING RODS, A4.248 ENGINE Page3
Item Part Number Qty Description
1 3637401M91 1 Kit, Crankshaft
2 1 Crankshaft (Incl. in Item 1) (Not Serviced. Order Ref.1)
3 735168M91 1 (A) Kit, Bearing (Incl. in Item 1)
735169M91 (A) Kit, Bearing (Thickness: (-)0.25MM) (Thickness: (-)0.010")
735170M91 (A) Kit, Bearing (Thickness: (-)0.50MM) (Thickness: (-)0.020")
735171M91 (A) Kit, Bearing (Thickness: (-)0.75MM) (Thickness: (-)0.030")
4 736950M91 1 (A) Kit, Bearing (Incl. in Item 1)
736951M91 (A) Kit, Bearing (Thickness: (-)0.25MM) (Thickness: (-)0.010")
736952M91 (A) Kit, Bearing (Thickness: (-)0.50MM) (Thickness: (-)0.020")
736953M91 (A) Kit, Bearing (Thickness: (-)0.75MM) (Thickness: (-)0.030")
5 747128M1 2 Washer (Incl. in Item 1)
735742M1 Washer (Thickness: (+)0.19MM) (Thickness: (+)0.0075")
6 747129M1 2 Washer (Incl. in Item 1)
735743M1 Washer (Thickness: (+)0.19MM) (Thickness: (+)0.0075")
7 3638115M1 1 (D) Thrust Block
8 3638113M1 3 (D) Screw
9 3637034M91 4 Kit, Conrod
10 1 Conrod (Incl. in Item 9) (Not Serviced. Order Ref.9)
11 1 Cap (Incl. in Item 9) (Not Serviced. Order Ref.9)
12 733767M1 1 Bush (Incl. in Item 9)
13 3637029M1 2 Bolt (Incl. in Item 9)
14 3637030M1 2 Nut (Incl. in Item 9)
15 747049M91 4 (B) Kit, Piston
747050M91 4 (C) Kit, Piston
16 1 Piston (Incl. in Item 15) (Not Serviced. Order Ref.15)
17 1 Pin (Incl. in Item 15) (Not Serviced. Order Ref.15)
18 376131X1 1 Clip (Incl. in Item 15)
19 376131X1 1 Clip (Incl. in Item 15)
20 747428M91 4 Kit, Piston Ring
21 734749M1 1 Gear (Teeth/Splines: 28)
22 2196X 1 Key
23 3637520M1 1 Pulley
24 742539M1 1 Washer
25 731008M1 1 Annular Gear (Teeth/Splines: 115)
26 745365M1 6 Washer (Repairs and Replaces 737514M1)
****************************************
(A) Pre-finished
(B) Untopped
(C) Pre-topped
(D) Not Supplied With Assembly

10. 394S TRACTOR (PRIOR TO S/N D03066)
22
20
28
333231
19
59
26 60
25 17
1624
13
14
5
4
11
36 12
52
951
54
53
39
3
8
41
40
6
743
3542 1
238
45
44 3015
50
5537
5749
56
48
47
46
10
23
29
27
18
21
58
34
Ref 5 Page 5

11. Massey Ferguson
394S TRACTOR (PRIOR TO S/N D03066) 3311549B
CYLINDER HEAD, A4.248 ENGINE Page5
Item Part Number Qty Description
1 3637486M91 1 Cylinder Head
2 3638333M91 1 Cylinder Head (Incl. in Item 1) (Repairs and Replaces 3637386M91) (Repairs and Replaces
3637783M91)
3 1 Cylinder Head (Incl. in Item 2) (Not Serviced. Order Ref.2)
4 3637056M1 4 Guide (Incl. in Item 2)
5 748420M1 4 Guide (Incl. in Item 2)
6 731410M1 1 Plug (Incl. in Item 2)
7 376178X1 1 Washer (Incl. in Item 2)
8 731354M1 1 Plug (Incl. in Item 2)
9 748368M1 1 Plate
10 3637039M1 1 Joint
11 353536X1 2 Screw Unf
12 1650486M1 2 Washer
13 353518X1 4 Screw Unf (Repairs and Replaces 353517X1)
14 1650484M1 4 Washer
15 741466M1 4 (D) Valve Exhaust
747552M1 4 (C) Valve Exhaust (Incl. in Item 1)
16 733824M1 4 Washer (Incl. in Item 1)
17 735525M1 4 Spring (Incl. in Item 1)
18 735521M1 4 Spring (Incl. in Item 1)
19 1447652M1 4 Ring (Incl. in Item 1)
20 3637041M1 4 Seal (Incl. in Item 1)
21 746698M1 4 Cap (Incl. in Item 1)
22 736453M1 8 (A) Cotter (Incl. in Item 1)
23 739027M1 4 Valve Inlet (Incl. in Item 1)
24 733824M1 4 Washer (Incl. in Item 1)
25 735525M1 4 Spring (Incl. in Item 1)
26 735521M1 4 Spring (Incl. in Item 1)
27 3637041M1 4 Seal (Incl. in Item 1)
28 746698M1 4 Cap (Incl. in Item 1)
29 736453M1 8 (A) Cotter (Incl. in Item 1)
30 743097M1 4 Insert
31 747741M1 2 Screw
32 747742M1 12 Screw
33 747743M1 8 Screw
34 739379M3 1 Body
35 734695M1 1 Joint
36 1446127M91 1 Thermostat
37 3638546M1 1 Plug
38 3638546M1 1 Plug
39 1476304X1 1 Stud
40 375797X1 1 Nut
41 1650486M1 1 Washer
42 353531X1 1 Bolt Unf
43 1650484M1 1 Washer
44 353550X1 1 Bolt Unf
45 1650486M1 1 Washer
46 353518X1 2 Screw Unf
47 1650484M1 2 Washer
48 353544X1 2 Screw Unf
49 1650486M1 2 Washer
50 1853223M1 1 Pin
51 1 (B) Connection
52 735641M1 1 Gasket
53 353542X1 2 Bolt Unf
54 1650486M1 2 Washer
55 747835M1 1 Plate
56 16589X 2 Bolt
57 1650486M1 2 Washer
58 736678M1 1 Plate
59 16589X 2 Bolt
60 1650486M1 2 Washer
****************************************
(A) Serviced In Pairs
(B) Not Supplied By Perkins Engines
Limited.
(C) Remove and Fit 741466M1
(D) Fitted In Place Of Exhaust Valves
Supplied With Cylinder Head Assembly

12. 394S TRACTOR (PRIOR TO S/N D03066)
28
27
29
26
25
31
2
30
12
9
32
34
3 8 354
15 3316
14 1513
19
76
17
20
21
23
22
24
18
11
10
Ref 7 Page 7

13. Massey Ferguson
394S TRACTOR (PRIOR TO S/N D03066) 3311549B
ROCKER SHAFT, A4.248 ENGINE Page7
Item Part Number Qty Description
1 3637391M91 1 Rocker Shaft (Repairs and Replaces 3637394M91)
2 3637395M91 1 Rocker Shaft (Incl. in Item 1)
3 1 Shaft (Incl. in Item 2) (Not Serviced. Order Ref.2)
4 731330M1 2 Plug (Incl. in Item 2)
5 3637063M1 4 Bracket (Incl. in Item 1) (Repairs and Replaces 746461M1)
6 733809M1 4 Lever (Incl. in Item 1) (R.H.)
7 3637072M91 4 Lever (Incl. in Item 1) (L.H.) (Repairs and Replaces 733810M1)
8 733811M1 2 Spring (Incl. in Item 1)
9 733812M1 2 Spring (Incl. in Item 1)
10 3638499M1 1 (B) Connection (Incl. in Item 1)
11 3637065M1 1 (C) Screw (Incl. in Item 1)
3638500M1 1 (D) Screw (Incl. in Item 1)
12 739513M91 2 Shim (Incl. in Item 1)
13 3638547M1 2 Circlip (Incl. in Item 1)
14 747876M1 2 Washer (Incl. in Item 1)
15 731516M1 8 Bolt (Incl. in Item 1)
16 3638536M1 8 Nut (Incl. in Item 1)
17 740671M1 8 Tappet
18 733817M1 8 Rod
19 376525X1 1 Olive
20 361543X1 4 Bolt
21 1440275X1 4 Washer Metric
22 744097M91 1 Cover
23 3638461M1 1 Joint (Repairs and Replaces 746714M1)
24 376192X1 4 Bolt
25 344107X1 4 Washer
26 353441X1 4 Lock Washer
27 1851753M1 1 Cap
28 1 Cap (Incl. in Item 27) (Not Serviced. Order Ref.27)
29 1852773M1 1 Joint (Incl. in Item 27)
30 740497M1 1 Pipe
31 3638598M1 1 Clip (Repairs and Replaces 375790X1)
32 740498M91 1 Pipe
33 375829X1 1 Screw (Up to Serial/Engine No. U226708S)
3637695M1 1 Screw (From Serial/Engine No. U226709S)
34 375703X1 1 (A) Washer
35 1650484M1 1 (A) Washer
****************************************
(A) Fitted Up To Engine Number U226708S
(B) Was 3637064M1 Use
3638499M1/3638500M1.
(C) Used Only With 3637064M1
(D) Used Only With 3638499M1

14. 394S TRACTOR (PRIOR TO S/N D03066)
4
4
3
3
1
8
7
2
20 9
21
1017
19
132223
26
25 16 1411
15
24
18
Ref 8 Page 8

15. Massey Ferguson
394S TRACTOR (PRIOR TO S/N D03066) 3311549B
AIR INDUCTION AND EXHAUST SYSTEM, A4.248 ENGINE Page8
Item Part Number Qty Description
1 735826M1 1 Manifold
2 736754M1 2 Joint
3 731867M1 2 Stud
4 1476028X1 2 Nut
5 735622M1 1 Stud
6 1476028X1 1 Nut
7 734913M1 1 Stud
8 1476028X1 1 Nut
9 3637281M1 3 Stud
10 740888M91 1 Manifold
11 1 Manifold (Incl. in Item 10) (Not Serviced. Order Ref.10)
12 740472M1 1 Plate (Incl. in Item 10)
13 740471M1 1 Joint (Incl. in Item 10)
14 3639285M1 8 Screw (Incl. in Item 10)
15 3638852M1 1 Screw (Incl. in Item 10)
16 1650486M1 1 Washer (Incl. in Item 10)
17 3639107M1 1 Screw
18 375706X1 1 Washer
19 1650486M1 1 Washer
20 353542X1 5 Bolt Unf
21 1650486M1 5 Washer
22 731364M1 1 Plug
23 1446935M1 1 Intake Heater
24 740368M1 1 Joint
25 734704M1 1 Joint
26 734702M1 1 Joint

16. 394S TRACTOR (PRIOR TO S/N D03066)
12
38
39
3
16
15
41
37
36
35
34
9
9
46
10 6
7 5
498
26
17
474411 27
23
22
21
3320 28
31
32 30 18
13
14
4
2 1
40
45
48
42
43
19
29
25
24
Ref 9 Page 9

17. Massey Ferguson
394S TRACTOR (PRIOR TO S/N D03066) 3311549B
TIMING GEAR AND CAMSHAFT, A4.248 ENGINE Page9
Item Part Number Qty Description
1 735651M1 1 Case
2 3637536M1 1 Joint
3 1476319X1 8 Screw
4 1650484M1 8 Washer
5 353519X1 1 Screw Unf
6 1650484M1 1 Washer
7 735852M1 1 Hub
8 734738M91 1 Idler (Teeth/Splines: 63)
9 731033M1 2 Bush (Incl. in Item 8)
10 731036M1 1 Plate
11 361511X1 3 Screw
12 3637537M1 1 Camshaft
13 733728M1 1 Pressure Washer
14 1476145X1 1 Pin
15 748182M1 1 Gear (Teeth/Splines: 56)
16 2196X 1 Key
17 734888M1 1 Cover
18 1447690M1 1 Seal
19 734887M1 1 Joint
20 353531X1 4 Bolt Unf
21 1650484M1 4 Washer
22 1476319X1 10 Screw
23 1650484M1 10 Washer
24 1476319X1 4 Screw
25 732575M1 4 Washer
26 747788M1 1 Plate
27 734890M1 1 Joint
28 1476317X1 4 Screw
29 1650484M1 4 Washer
30 734118M1 1 Plate
31 734892M1 1 Joint
32 1476316X1 2 Screw
33 353441X1 2 Lock Washer
34 747776M1 1 Screw
35 734663M1 1 Washer
36 734276M1 1 Washer
37 734182M1 1 Washer
38 735296M1 1 Plate
39 734945M1 1 Joint
40 1476318X1 2 Screw
41 1650484M1 2 Washer
42 734594M1 1 Plate
43 734593M1 1 Joint
44 376538X1 1 Bolt
45 354123X1 1 Nut
46 1650486M1 1 Washer
47 342164X1 2 Screw
48 354123X1 2 Nut
49 1650486M1 2 Washer

18. 394S TRACTOR (PRIOR TO S/N D03066)
36
37
18
38
32
17
33
34 16
31
35 15
4
2
3
26
25
27
1
28
29
30
7
9
814
13
24
20
5 22
6 21
19
23
12 11
10
Ref 10 Page 10

19. Massey Ferguson
394S TRACTOR (PRIOR TO S/N D03066) 3311549B
FUEL INJECTION EQUIPMENT (DIESEL), A4.248 ENGINE Page10
Item Part Number Qty Description
1 1447199M91 1 (A) Pump (Up to Serial/Engine No. U226835S)
3637313M91 1 (A) Injection Pump (From Serial/Engine No. U226836S)
2 1853021M1 1 Sleeve
3 734674M1 1 Seal
4 734675M1 1 Wire
5 731176M1 1 Joint
6 3637712M1 3 Stud
7 353916X1 3 Nut Unf
8 375703X1 3 Washer
9 1650484M1 3 Washer
10 747595M91 1 Gear (Teeth/Splines: 56)
11 1 Gear (Incl. in Item 10) (Not Serviced. Order Ref.10)
12 737725M1 1 Dowel (Incl. in Item 10)
13 353517X1 3 Screw Unf
14 1650484M1 3 Washer
15 744512M91 1 Tube (No.1 Cyl.)
16 744513M91 1 Tube (No.2 Cyl.)
17 744514M91 1 Tube (No.3 Cyl.)
18 744515M91 1 Tube (No.4 Cyl.)
19 733869M1 2 Channel
20 733869M1 2 Channel
21 733868M1 2 Clip
22 733868M1 2 Clip
23 375813X1 2 Bolt
24 376578X1 2 Nut
25 1447218M91 4 Atomiser
26 1446102M1 1 Holder (Incl. in Item 25)
27 1447146M1 1 Nozzle (Incl. in Item 25)
28 376091X1 4 Washer
29 747139M1 4 Spacer
30 747140M1 4 Seal
31 353522X1 8 Bolt Unf
32 746704M91 1 Fuel Pipe
33 731567M1 3 Bolt
34 376518X1 3 Washer
35 376518X1 3 Washer
36 731568M1 1 Union
37 376518X1 1 Washer
38 376518X1 1 Washer
****************************************
(A) Component Parts Supplied By C.A.V.
Ltd

20. 394S TRACTOR (PRIOR TO S/N D03066)
27
28
26
22
20
21
5
4
71724
6
23
19
3
216 12
10
1115
8
25
1
9
14
13
18
Ref 11 Page 11

21. Massey Ferguson
394S TRACTOR (PRIOR TO S/N D03066) 3311549B
LUBRICATING OIL SUMP, A4.248 ENGINE Page11
Item Part Number Qty Description
1 3638306M1 1 Sump (Repairs and Replaces 3637344M1)
2 748160M1 1 Plug
3 3638382M1 1 O Ring
4 3637336M1 1 Bridge Piece (Repairs and Replaces 3638829M1)
5 733721M1 2 (B) Joint
6 376572X1 2 Screw
7 735898M1 2 (B) Washer
8 3638519M1 1 Joint (Repairs and Replaces 746425M1)
9 3637697M1 4 Screw
10 1650484M1 4 Washer
11 1476330X1 11 Screw
12 1650484M1 11 Washer
13 3637696M1 1 Screw
14 1650484M1 1 Washer
15 3637697M1 1 Screw
16 1650484M1 1 Washer
17 1476150X1 2 Stud
18 353916X1 2 Nut Unf
19 1650484M1 2 Washer
20 1 (A) Pipe
21 1 (A) Joint
22 1 (A) Screw
23 1 (A) Screw
24 735128M1 1 Tube
25 733365M1 1 Nut
26 742254M91 1 Dipstick
27 1 Dipstick (Incl. in Item 26) (Not Serviced. Order Ref.26)
28 731119M1 1 Washer (Incl. in Item 26)
****************************************
(A) Refer To Balancer Section
(B) Not Required With
3638829M1/3637336M1

22. 394S TRACTOR (PRIOR TO S/N D03066)
30
28
1
27
23
17
25
14
54
63
26
24
15
9
10 3411
3512 36
813
37
21
32
38
3133 39
19
41
40
44 46 48 50
45 4947
7
18
43
42
16
2
29 22
20
Ref 12 Page 12

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24. Massey Ferguson
394S TRACTOR (PRIOR TO S/N D03066) 3311549B
BALANCER UNIT, A4.248 ENGINE Page12
Item Part Number Qty Description
1 3637352M91 1 Balancer
2 3638234M1 1 Frame (Incl. in Item 1)
3 1 Frame (Incl. in Item 2) (Not Serviced. Order Ref.2)
4 1 Cover (Incl. in Item 2) (Not Serviced. Order Ref.2)
5 3638369M1 4 Screw (Incl. in Item 2)
6 3637734M1 2 Screw (Incl. in Item 2)
7 745241M1 2 Thimble (Incl. in Item 1)
8 747824M1 1 Plug (Incl. in Item 1)
9 1476192X1 1 Plug (Incl. in Item 1)
10 747502M1 1 Plunger (Incl. in Item 1)
11 747503M1 1 Spring (Incl. in Item 1)
12 747520M1 1 Cap (Incl. in Item 1)
13 1476310X1 1 Pin (Incl. in Item 1)
14 746920M1 1 Cover (Incl. in Item 1)
15 747823M1 1 Joint (Incl. in Item 1)
16 1476279X1 2 Dowel (Incl. in Item 1)
17 3638369M1 4 Screw (Incl. in Item 1)
18 3637593M1 1 Shaft (Incl. in Item 1) (Teeth/Splines: 21)
19 1447727M91 1 Bearing (Incl. in Item 1)
20 3637330M1 1 Weight (Incl. in Item 1) (Teeth/Splines: 16/38)
21 1476278X1 1 Bush (Incl. in Item 1)
22 1476278X1 1 Bush (Incl. in Item 1)
23 748267M1 1 Gear (Incl. in Item 1) (Teeth/Splines: 37)
24 747769M1 1 Hub (Incl. in Item 1)
25 1476280X1 1 Screw (Incl. in Item 1)
26 1447679M1 1 Bearing (Incl. in Item 1)
27 746557M1 1 Washer (Incl. in Item 1)
28 3637329M1 1 Weight (Incl. in Item 1) (Teeth/Splines: 38)
29 1476278X1 1 Bush (Incl. in Item 1)
30 1476278X1 1 Bush (Incl. in Item 1)
31 3637489M91 1 Oil Pump (Incl. in Item 1)
32 3637110M1 1 Screw (Incl. in Item 1) (Repairs and Replaces 1476275X1)
33 3637216M1 2 Screw (Incl. in Item 1) (Repairs and Replaces 1476271X1)
34 746954M1 1 Gear (Incl. in Item 1) (Teeth/Splines: 24)
35 1447723M1 1 Bearing (Incl. in Item 1)
36 3638128M1 1 Nut (Incl. in Item 1)
37 747464M1 1 Cover (Incl. in Item 1)
38 1447725M1 4 Screw (Incl. in Item 1)
39 747637M91 1 Pipe
40 747638M1 1 Joint
41 3637110M1 1 Screw (Repairs and Replaces 1476271X1)
42 3637216M1 1 Screw (Repairs and Replaces 1476275X1)
43 348042X1 1 Bolt
44 1476033X1 1 Washer
45 353554X1 2 Bolt Unf
46 1476033X1 2 Washer
47 353554X1 1 Bolt Unf
48 1476033X1 1 Washer
49 353550X1 2 Bolt Unf
50 1476033X1 2 Washer

25. 394S TRACTOR (PRIOR TO S/N D03066)
1
4
6
5
2
3
7
Ref 13 Page 13