This document provides a parts list and technical specifications for the crankshaft, pistons, and connecting rods of Massey Ferguson 4245/4255 tractors. It includes 44 numbered items with part numbers, quantities, descriptions, and additional technical notes. The parts are separated into two sections for the "Blue" and "Green" engine builds, and refer the user to other sections for additional build information.

1. MF 4245 / 4255 TRACTORS - --->| K37008 - 819902
3-XA10-003-C
8
1 4438
18 21 2028
17 4
2
191615
26
14
27
13
25
41
40
29
24 23
22
3137 11712
6
30
33
5
34
39 32
359
10 36
3
43
42
Ref XA103003-1 Page 010-0065

2. Massey Ferguson
4245 / 4255 TRACTORS - --->| K37008 - 819902 819902
Cylinder Block - "BLUE" - See Section 10-15 For PERKINS Build List Page010-0065
Item Part Number Qty Description Comments
1 4222540M91 1 Kit,Cyl.Block
2 1 Block (1)
NOT SERVICED, ORDER REF. 1
3 5 Bearing Cap (1)
NOT SERVICED, ORDER REF. 1
4 748216M1 4 Liner [A]
748215M1 4 Liner [B]
(1)
5 731354M1 5 Plug (1)
DIAMETER 32,397+/-0,114MM
6 4224385M91 4 Jet (1)
FROM SERIAL OR ENGINE NUMBER 07-03-97
7 731354M1 1 Plug (1)
8 376670X1 1 Plug
9 733072M1 10 Ring (1)
10 1476108X1 10 Screw (1)
11 363819X1 1 Plug (1)
12 4222017M1 1 Bush (1)
13 746259M1 4 Plug (1)
14 4222012M1 2 Plug (1)
15 1476282X1 1 Plug (1)
16 736868M1 1 Plug (1)
17 3638708M1 1 Joint (1)
18 746259M1 2 Plug (1)
19 4222043M1 1 Plug (1)
REPLACE AND REPAIR.OLD NOT INTERCHANGEABLE WITH NEW 3637015M1
20 376180X1 1 Plug (1)
21 3638664M1 1 Washer (1)
22 3640868M91 1 Housing
23 1 Cover (22)
REF. 22
24 1447691M1 1 Seal (22)
25 4223587M1 1 Joint
26 3637011M1 12 Screw M8 X 25
27 3641756M1 2 Screw
28 4222048M1 1 Plate (1)
29 731947M1 2 Dowel
30 747856M91 4 Jet (6)
UP TO SERIAL OR ENGINE NUMBER 06-03-97
31 4222512M1 4 Dowel (6)
32 3637005M91 4 Valve (1)
33 1 Body (32)
NOT SERVICED, ORDER REF. 32
34 3637006M1 1 Ball (32)
35 748149M1 1 Spring (32)
36 3637007M1 1 Retainer (32)
37 731996M1 1 Plug
38 3638424M1 4 Screw (1)
M10 X 25
39 3641736M1 1 Plug (1)
DIAMETER 25,971+/-0,063MM
40 3637221M1 3 Nut
41 4222720M1 3 Stud
42 3638809M1 1 Screw
43 1650388M1 1 Washer
44 4222439M1 2 Dowel (1)
FOOTNOTE [A] SLIP FIT
FOOTNOTE [B] PRESS FIT

3. MF 4245 / 4255 TRACTORS - --->| K37008 - 819902
3-XA10-006-D
1
1
31 25 27 28 2944
232
33
30343
43 35
364
5
6 40
7
398
38
26
37
41
24
9
1514
23
20
1721
1612 18
42
10 1913 22
11
Ref XA103006-1 Page 010-0070

4. Massey Ferguson
4245 / 4255 TRACTORS - --->| K37008 - 819902 819902
Cylinder Block - "GREEN" - See Section 10-20 For PERKINS Build List Page010-0070
Item Part Number Qty Description Comments
1 4222818M91 1 Kit,Cyl.Block
2 4222129M1 4 Liner [A]
(1)
3 1476282X1 1 Plug (1)
4 376670X1 1 Plug
5 746259M1 4 Plug (1)
6 3641755M1 2 Screw (1)
M8 X 16
7 748416M1 1 Plate (1)
8 3638696M1 1 Joint (1)
9 4222017M1 1 Bush (1)
10 1476108X1 10 Screw (1)
11 733072M1 10 Ring (1)
12 376616X1 4 Bush (1)
13 348281X1 4 Screw (1)
14 4224385M91 4 Jet (1)
15 4222512M1 1 Dowel (14)
16 3637005M91 4 Valve (1)
17 3637006M1 1 Ball (16)
18 748149M1 1 Spring (16)
19 3637007M1 1 Retainer (16)
20 731996M1 1 Plug
21 731354M1 1 Plug (1)
DIAMETER 32,397+/-0,114MM
22 3641736M1 1 Plug (1)
DIAMETER 25.971+/-0.063
23 731354M1 1 Plug (1)
24 363819X1 1 Plug (1)
25 4222439M1 2 Dowel (1)
26 376670X1 1 Plug
27 746259M1 2 Plug (1)
28 3638664M1 1 Washer (1)
29 376180X1 1 Plug (1)
30 4222043M1 1 Plug (1)
31 3638424M1 4 Screw (1)
M10 X 25
32 4222048M1 1 Plate (1)
33 3638708M1 1 Joint (1)
34 736868M1 1 Plug (1)
35 3637011M1 12 Screw M8 X 25
36 3641756M1 2 Screw
37 3640868M91 1 Housing
38 1447691M1 1 Seal (37)
39 731947M1 2 Dowel
40 4223587M1 1 Joint
41 4223072M1 1 Plug [B]
UP TO SERIAL OR ENGINE NUMBER 02-2000
42 731856M1 1 Plug (1)
DIAMETER 25,971+/-0,063MM
43 4222012M1 4 Plug (1)
44 363819X1 1 Plug (1)
FOOTNOTE [A] PRESS FIT
FOOTNOTE [B] WITH WET CLUTCH

5. MF 4245 / 4255 TRACTORS - --->| K37008 - 819902
3-XA11-004-B
16 29
192013
17
12 18
10
4
15
2
11
14
5
9
1
22
3
7
68
21
27
28
26
25
2324
Ref XA113004-1 Page 010-0075

6. Massey Ferguson
4245 / 4255 TRACTORS - --->| K37008 - 819902 819902
Crankshaft, Pistons And Connecting Rods - "BLUE" - See Section 10-15 For PERKINS Build List Page010-0075
Item Part Number Qty Description Comments
1 4223939M91 1 Kit,
Crankshaft
2 1 Crankshaft (1)
NOT SERVICED, ORDER REF. 1
3 735168M91 1 Kit, Bearing [A]
(1)
735169M91 X Kit, Bearing [A]
THICKNESS (-) 0,25MM
735170M91 X Kit, Bearing [A]
THICKNESS (-) 0,50MM
735171M91 X Kit, Bearing [A]
THICKNESS (-) 0,75MM
4 3637791M91 1 Kit, Bearing [A]
(1)
3637792M91 X Kit, Bearing [A]
THICKNESS (-) 0,25MM
3637793M91 X Kit, Bearing [A]
THICKNESS (-) 0,50MM
3637794M91 X Kit, Bearing [A]
THICKNESS (-) 0,75MM
5 747128M1 2 Thrust
Washer
(1)
735742M1 X Washer THICKNESS (+) 0,19MM
6 747129M1 2 Thrust
Washer
(1)
735743M1 X Washer THICKNESS (+) 0,19MM
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 4222485M1 2 Screw (9)
1/2-20 X 3
14 3637030M1 2 Nut (9)
15 4222821M1 2 Sleeve (9)
16 3640593M91 4 Kit, Piston UP TO SERIAL OR ENGINE NUMBER U947668E
4223849M91 4 Kit, Piston FROM SERIAL OR ENGINE NUMBER U947669E
17 1 Piston Pin (16)
NOT SERVICED, ORDER REF. 16
18 1476196X1 1 Circlip (16)
19 1476196X1 1 Circlip (16)
20 1 Piston (16)
NOT SERVICED, ORDER REF. 16
21 3638105M1 1 Gear
22 70905845 1 Key
23 3819667M91 1 Flywheel REPLACE AND REPAIR.OLD INTERCHANGEABLE WITH NEW 747577M91
3819668M91 1 Flywheel [D]
UP TO SERIAL OR ENGINE NUMBER 01-06-2000
3819668M91 1 Flywheel [E]
UP TO SERIAL OR ENGINE NUMBER J46101
REPLACE AND REPAIR.OLD INTERCHANGEABLE WITH NEW 4223465M91
3820953M91 1 Flywheel [E]
FROM SERIAL OR ENGINE NUMBER J46102
24 3819719M1 1 Annular Gear (23)
REPLACE AND REPAIR.OLD INTERCHANGEABLE WITH NEW 731008M1
25 3819725M1 6 Washer UP TO SERIAL OR ENGINE NUMBER 02-10-98
REPLACE AND REPAIR.OLD INTERCHANGEABLE WITH NEW 745365M1
26 3819722M1 6 Bolt Unf UP TO SERIAL OR ENGINE NUMBER 02-10-98
REPLACE AND REPAIR.OLD INTERCHANGEABLE WITH NEW 375763X1
3713982M1 6 Screw FROM SERIAL OR ENGINE NUMBER 03-10-98
REPLACE AND REPAIR.OLD INTERCHANGEABLE WITH NEW 375833X1
27 747631M1 1 Pulley,Crank [B]
28 3638098M1 1 Pulley [C]
29 3641316M91 1 Kit, Piston
Ring
FOOTNOTE [A] PRE-FINISHED
FOOTNOTE [B] WITH AIR CONDITIONING
FOOTNOTE [C] WITHOUT CONDITIONED AIR

7. Massey Ferguson
4245 / 4255 TRACTORS - --->| K37008 - 819902 819902
Crankshaft, Pistons And Connecting Rods - "BLUE" - See Section 10-15 For PERKINS Build List Page010-0075
Item Part Number Qty Description Comments
FOOTNOTE [D] WITH WET CLUTCH
FOOTNOTE [E] WITH POWERSHUTTLE TRANSMISSION

8. MF 4245 / 4255 TRACTORS - --->| K37008 - 819902
3-XA11-010-B
15 28
9
19
1613
17
12 18
10
4
2
14
11
5
1
22 3
6
7
21
8
27
20
26
25
2324
Ref XA113010-1 Page 010-0080

9. Massey Ferguson
4245 / 4255 TRACTORS - --->| K37008 - 819902 819902
Crankshaft, Pistons And Connecting Rods - "GREEN" - See Section 10-20 For PERKINS Build List Page010-0080
Item Part Number Qty Description Comments
1 4223939M91 1 Kit, Crankshaft
2 1 Crankshaft (1)
NOT SERVICED, ORDER REF. 1
3 735168M91 1 Kit, Bearing [A]
(1)
735169M91 X Kit, Bearing [A]
THICKNESS (-) 0,25MM
735170M91 X Kit, Bearing [A]
THICKNESS (-) 0,50MM
735171M91 X Kit, Bearing [A]
THICKNESS (-) 0,75MM
4 3637791M91 1 Kit, Bearing [A]
(1)
3637792M91 X Kit, Bearing [A]
THICKNESS (-) 0,25MM
3637793M91 X Kit, Bearing [A]
THICKNESS (-) 0,50MM
3637794M91 X Kit, Bearing [A]
THICKNESS (-) 0,75MM
5 747128M1 2 Thrust Washer (1)
735742M1 X Washer THICKNESS (+) 0,19MM
6 747129M1 2 Thrust Washer (1)
735743M1 X Washer THICKNESS (+) 0,19MM
7 4222401M1 1 Block
8 748074M1 3 Screw
9 4223523M91 4 Kit, Conrod LOW GRADE
4223522M91 4 Kit, Conrod HIGH GRADE
10 1 Conrod (9)
NOT SERVICED, ORDER REF. 9
11 1 Cap (9)
NOT SERVICED, ORDER REF. 9
12 4222131M1 1 Bush (9)
13 4222132M1 2 Screw (9)
1/2-20 X 2.49/64
14 4222133M1 2 Dowel (9)
15 4222134M91 4 Kit, Piston
16 1 Piston (15)
NOT SERVICED, ORDER REF. 15
17 1 Pin (15)
NOT SERVICED, ORDER REF. 15
18 4222135M1 1 Circlip (15)
19 4222135M1 1 Circlip (15)
20 3638098M1 1 Pulley UP TO SERIAL OR ENGINE NUMBER ...
21 4222820M1 1 Gear,Crankshaft
22 70905845 1 Key
23 3819667M91 1 Flywheel REPLACE AND REPAIR.OLD INTERCHANGEABLE WITH NEW 747577M91
3819668M91 1 Flywheel [W]
UP TO SERIAL OR ENGINE NUMBER 01-06-2000
3819668M91 1 Flywheel [C]
UP TO SERIAL OR ENGINE NUMBER J46101
REPLACE AND REPAIR.OLD INTERCHANGEABLE WITH NEW 4223465M91
3820953M91 1 Flywheel [C]
FROM SERIAL OR ENGINE NUMBER J46102
24 3819719M1 1 Annular Gear (23)
REPLACE AND REPAIR.OLD INTERCHANGEABLE WITH NEW 731008M1
25 3819725M1 6 Washer UP TO SERIAL OR ENGINE NUMBER 02-10-98
REPLACE AND REPAIR.OLD INTERCHANGEABLE WITH NEW 745365M1
26 3819722M1 6 Bolt Unf UP TO SERIAL OR ENGINE NUMBER 02-10-98
REPLACE AND REPAIR.OLD INTERCHANGEABLE WITH NEW 375763X1
3713982M1 6 Screw FROM SERIAL OR ENGINE NUMBER 03-10-98
REPLACE AND REPAIR.OLD INTERCHANGEABLE WITH NEW 375833X1
27 4222867M1 1 Pulley,Crank
28 4222136M91 4 Kit, Piston Ring
FOOTNOTE [A] PRE-FINISHED
FOOTNOTE [B] WITH AIR CONDITIONING
FOOTNOTE [C] WITH POWERSHUTTLE TRANSMISSION
FOOTNOTE [W] WITH WET CLUTCH

10. MF 4245 / 4255 TRACTORS - --->| K37008 - 819902
3-XA12-004-B
8
8
16
16
27
27
23
3
3
6
6
22
4
4
5
5
14 21
2625
13
20
2812 19
11 34
18
10
3317
9
35
29 2
30
37 36
31
32
24
157
1
Ref XA123004-1 Page 010-0085

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12. Massey Ferguson
4245 / 4255 TRACTORS - --->| K37008 - 819902 819902
Cylinder Head - "BLUE" - See Section 10-15 For PERKINS Build List Page010-0085
Item Part Number Qty Description Comments
1 4222358M91 1 Kit, Cyl. Head
2 1 Cylinder Head (1)
NOT SERVICED, ORDER REF. 1
3 731354M1 1 Plug [A]
(1)
4 733536M1 4 Plug [A]
(1)
5 3640677M1 4 Insert [A]
(1)
6 3640712M1 4 Insert [A]
(1)
7 3640597M1 4 Valve Inlet (1)
8 4223073M1 4 Guide [A]
(1)
REPLACE AND REPAIR.OLD NOT INTERCHANGEABLE WITH NEW 3640676M1
9 733824M1 4 Washer (1)
10 740467M1 4 Spring (1)
11 740465M1 4 Spring (1)
12 3637041M1 4 Seal (1)
13 740468M1 4 Cap (1)
14 736453M1 8 Cotter (1)
15 748309M1 4 Valve Exhaust (1)
16 4223074M1 4 Guide [A]
(1)
REPLACE AND REPAIR.OLD NOT INTERCHANGEABLE WITH NEW 748420M1
17 733824M1 4 Washer (1)
18 740467M1 4 Spring (1)
19 740465M1 4 Spring (1)
20 3637041M1 4 Seal (1)
21 740468M1 4 Cap (1)
22 736453M1 8 Cotter (1)
23 4222358M91 1 Kit, Cyl. Head
24 4222534M1 1 Head Gasket
25 745663M1 12 Screw 1/2-20 X 4.1/4
26 745662M1 8 Screw 1/2-20 X 3.5/8
27 1476192X1 4 Plug [A]
(1)
28 1476243X1 2 Screw
29 731410M1 1 Plug (1)
30 376178X1 1 Washer (1)
31 3637050M1 1 Plate
32 3637051M1 2 Screw M10 X 25
33 3638411M1 1 Plate
34 3637051M1 2 Screw M10 X 25
35 3637139M1 2 Screw M10 X 20
36 3639268M1 2 Dowel
37 4222439M1 2 Dowel (1)
FOOTNOTE [A] ALSO INCLUDED IN REF.23

13. MF 4245 / 4255 TRACTORS - --->| K37008 - 819902
3-XA12-007-A
241
20 25
25
22
21
11
10
12
9
14
8
13 2
7
23
27
19
16
15
17
18
4
5
3 6
26
Ref XA123007-1 Page 010-0090

14. Massey Ferguson
4245 / 4255 TRACTORS - --->| K37008 - 819902 819902
Cylinder Head - "GREEN" - See Section 10-20 For PERKINS Build List Page010-0090
Item Part Number Qty Description Comments
1 4222822M91 1 Kit, Cyl. Head MF 4245
4222893M91 1 Kit, Cyl. Head MF 4255
2 1 Cylinder Head (1)
NOT SERVICED, ORDER REF. 1
3 4222149M91 4 Valve Inlet (1)
MF 4245
4222894M1 4 Valve Inlet (1)
MF 4255
4 4222148M1 4 Insert (1)
MF 4245
4222895M1 4 Insert (1)
MF 4255
5 4224284M1 4 Insert (1)
MF 4245
4222897M1 4 Insert (1)
MF 4255
6 4222147M91 4 Valve Exhaust (1)
MF 4245
4222896M1 4 Valve Exhaust (1)
MF 4255
7 4222142M1 4 Guide (1)
UP TO SERIAL OR ENGINE NUMBER 02-01-98
4222954M1 4 Guide (1)
FROM SERIAL OR ENGINE NUMBER 03-01-98
8 4222139M1 8 Spring (1)
9 4222333M1 4 Oil Seal (1)
10 4222140M1 8 Cap (1)
11 4222141M1 8 Cotter (1)
12 4222232M1 4 Plate (1)
13 4222137M1 4 Guide (1)
UP TO SERIAL OR ENGINE NUMBER 02-01-98
4222959M1 4 Guide (1)
FROM SERIAL OR ENGINE NUMBER 03-01-98
14 746259M1 2 Plug (1)
15 731354M1 2 Plug (1)
16 1476192X1 4 Plug (1)
17 731410M1 1 Plug (1)
18 376178X1 1 Washer (1)
19 4222439M1 2 Dowel (1)
20 745662M1 8 Screw 1/2-20 X 3.5/8
21 745663M1 12 Screw 1/2-20 X 4.1/4
22 1476243X1 2 Screw
23 4222534M1 1 Head Gasket
24 4222170M1 1 Plate
25 3637051M1 4 Screw M10 X 25
26 4222228M1 1 Plate
27 Not Used MF 4245
4222552M1 2 Dowel MF 4255

15. MF 4245 / 4255 TRACTORS - --->| K37008 - 819902
3-XA13-002-A
26
15
22
16
16
14
13
13
5
5
5
5
1
21
10
10
10
10
11
11
11
11
12
12
9
9
9
9
3
2
4
187
7
7
7
17
8
8
8
8
6
6
6
6
19
20
25 23
24
Ref XA133002-1 Page 010-0095