This document provides a list of parts for a Massey Ferguson MF 274 SK tractor. It includes 50+ individual parts related to the cylinder block, crankshaft and flywheel, cylinder head, rocker arm, and timing gear. Each part is listed with its number, quantity, description, and any relevant comments. The list contains precise technical specifications and identifies parts that are interchangeable based on the tractor's serial number or engine number.

1. MASSEY FERGUSON
MF 274 SK TRACTOR - 3310637 3310637
TABLE OF CONTENT 00
Ref 00 Page 00

2. MASSEY FERGUSON
MF 274 SK TRACTOR - 3310637 3310637
TABLE OF CONTENT 00
Ref 00 Page 00

3. MF 274 SK TRACTOR - 3310637
4
11
12
5
8
262728
19
2
3
17
18
1 40
42
43
44
45
46
41
20
36A
36
33
3539
16
34
49
37383214
15
13
7
96
48
47
Ref 2 Page 2

4. MASSEY FERGUSON
MF 274 SK TRACTOR - 3310637 3310637
CYLINDER BLOCK - A4.236 2
Item Part Number Qty Description Comments
A4.236
1 ZZ50031 1 Kit,Cyl.Block Up to Serial or Engine Number
ZZ50114 1 Kit,Cyl.Block From Serial or Engine Number
2 33142111 10 Thimble 1
3 32166329 10 Bolt 1
4 31358394 X Liner (B)
Up to Serial or Engine Number U08336N
4 3135X032 X Liner (B)
From Serial or Engine Number U08337N
4 31358393 4 Liner (A)
1
Up to Serial or Engine Number U08336N
4 3135X031 4 Liner (A)
1
From Serial or Engine Number U08337N
5 0650618 4 Plug 1
6 0650563 6 Plug 1
7 0650563 2 Plug 1
8 0650577 4 Plug
9 0650588 2 Plug
11 32417134 1 Plug
12 2485A204 1 Plug 1
13 32416105 1 Plug
14 0650582 1 Plug
15 0920130 1 Washer
16 0650588 1 Plug
17 2431131 1 Plug Up to Serial or Engine Number
0650594 1 Plug From Serial or Engine Number
18 1423895M91 1 Switch Up to Serial or Engine Number 12700636/22700784
1877721M92 1 Pressure Switch From Serial or Engine Number 12700637/22700785
19 31134132 1 Bush
20 0350018 2 Dowel
26 0826469 1 Stud
27 0920054 1 Washer
28 0576051 1 Nut
32 4142V061 1 Kit, Housing
33 2418F475 1 Seal 32
34 0350009 2 Dowel
35 36817157 1 Joint
36 2172530 2 Capscrew
36A 33112111 2 Washer
37 0746211 10 Bolt
38 0920003 10 Washer
39 32452113 1 Pointer
40 36277833 1 Bridge Piece
41 32811408 1 Joint
42 2217150 2 Stud
43 0920053 2 Washer
44 0576002 2 Nut
45 2176369 2 Screw
46 0920521 2 Washer
47 32452113 1 Pointer
48 0650588 1 Plug
49 32161114 3 Plug Repairs and replaces 31261357
(A)
PRESS FITTING
(B)
SLIP FIT
Ref 2 Page 2

5. MF 274 SK TRACTOR - 3310637
7
6
4
1
10
14
8
26
27
17 18 15 16 13
25
2122
23
1920
12
9
11
3
2
5
Ref 4 Page 4

6. MASSEY FERGUSON
MF 274 SK TRACTOR - 3310637 3310637
CRANKSHAFT & FLYWHEEL - A4.236 4
Item Part Number Qty Description Comments
A4.236
1 ZZ90009 4 Kit, Conrod Repairs and replaces M78J0015
2 32762116 8 Bolt 1
3 33221328 8 Nut 1
4 31134123 4 Bush 1
5 68301 4 Kit, Piston (D)
68300 X Kit, Piston (A)
68301C X Kit, Piston (D)
Thickness +0,762 MM
5 68300C X Kit, Piston (A)
Thickness +0,762 MM
6 0170002 8 Circlip 5
7 41158041 4 Kit, Piston
Ring
41158041C X Kit, Piston
Ring
(D)
Thickness +0,762 MM
8 U5BG0024 1 Kit, Crankshaft
9 81558 1 Kit, Bearing (C)
8
9 81558A X Kit, Bearing (C)
Thickness -0,254 MM
9 81558B Kit, Bearing (C)
Thickness -0,508 MM
9 81558C X Kit, Bearing (C)
Thickness -0,762 MM
10 85042 1 Kit, Bearing (C)
8
10 85042A X Kit, Bearing (C)
Thickness -0,254 MM
10 85042B X Kit, Bearing (C)
Thickness -0,508 MM
10 85042C X Kit, Bearing (C)
Thickness -0,762 MM
11 31137551 2 Thrust Washer 8
31137312 X Thrust Washer Thickness +0,178 MM
12 31137561 2 Thrust Washer 8
31137322 X Thrust Washer Thickness +0,178 MM
13 31171681 1 Gear Number of teeth/spines 28
14 0500012 1 Woodruff Key
15 31148792 1 Pulley
16 33125416 1 Washer
17 32162331 1 Screw (B)
18 33125124 1 Washer (B)
19 1825511M1 1 Flywheel
20 0410236 1 Starter Ring
21 973013M1 6 Bolt
22 0921062 3 Tab Washer
23 339599X1 1 Bearing Ball
25 33117121 6 Washer
26 3271R021 1 Spacer (E)
27 32186139 3 Screw (E)
(A)
UNTOPPED
(B)
USED ONLY WITH CRANKSHAFTS 68609/94434/U5BG0008/U5
BG0009/U5BG0019.
(C)
PRE-FINISHED
(D)
PRE-TOPPED
(E)
USED ONLY WITH CRANKSHAFT U5BG0022/U5BG0023/
U5BG0024/U5BG0025/U5BG0026
Ref 4 Page 4

7. MF 274 SK TRACTOR - 3310637
36
37
38
18
12
44
15
14
13
17
9
1019
11
49 50
48
8 7
47
43
30
33
33
32
32
20
22
21
41
40
40
16
245
46
4
3
6
5
28
31 5A
6A
39
35
34
1
Ref 6 Page 6

8. MASSEY FERGUSON
MF 274 SK TRACTOR - 3310637 3310637
CYLINDER HEAD AND COVER - A4.236 6
Item Part Number Qty Description Comments
A4.236
1 ZZ80015 1 Kit, Cyl. Head Repairs and replaces A5BD2631
2 0650563 1 Plug 1
3 3621F005 1 Plate (B)
1
3 3623K007 1 Plate (C)
1
4 36851409 1 Joint (B)
1
4 3685R004 1 Joint (C)
1
5 0746254 6 Setscrew (B)
1
5 0746254 1 Setscrew (C)
1
5A 0746452 2 Setscrew (C)
1
6 0920053 6 Washer (B)
1
6 0920053 4 Washer (C)
1
6A 0920054 2 Washer (C)
1
7 31431641 4 Valve Inlet 1
31431401 X Valve Inlet (D)
Thickness +0,076 MM
7 31431402 X Valve Inlet (D)
Thickness +0,38 MM
7 31431403 X Valve Inlet (D)
Thickness +0,76 MM
8 31431881 4 Valve Exhaust 1
31431882 X Valve Exhaust (D)
Thickness +0,076 MM
8 31431883 X Valve Exhaust (D)
Thickness +0,38 MM
8 31431884 X Valve Exhaust (D)
Thickness +0,76 MM
9 31745121 8 Spring 1
10 31744131 8 Spring 1
11 33415118 8 Washer 1
12 33817117 4 Seal 1
13 33817117 4 Seal 1
14 33423147 9 Cap 1
15 33173108 8 Cotter (A)
1
16 36812349 1 Head Gasket Up to Serial or Engine Number U08336N
36812352 1 Head Gasket From Serial or Engine Number U08337N
17 32181424 8 Screw
18 32181425 12 Screw
19 32181426 2 Screw
20 0096215 1 Screw
21 0920003 1 Washer
22 0920053 1 Washer
28 0096232 8 Bolt
30 3648C004 1 Plate Repairs and replaces 36475706
31 36177111 1 Plate
32 0746453 4 Setscrew
33 0920054 4 Washer
34 37188549 1 Cyl.Head
Cover
35 36811132 1 Joint
36 2172513 4 Screw
37 0920052 4 Washer
38 0920002 4 Washer
39 33872516 1 Pipe
40 0180063 2 Clip
41 35731144 1 Union
43 33152139 X Insert
44 2415B201 8 O Ring 1
45 0650203 1 Plug 1
Ref 6 Page 6

9. MASSEY FERGUSON
MF 274 SK TRACTOR - 3310637 3310637
CYLINDER HEAD AND COVER - A4.236 6
Item Part Number Qty Description Comments
46 2411157 1 Washer 1
47 32526312 2 Stud Up to Serial or Engine Number U874811J
48 33221316 2 Nut Up to Serial or Engine Number U874811J
49 3343F002 4 Guide (E)
1
50 3343J002 4 Guide (E)
1
(A)
SERVICED IN PAIR
(B)
USED ON CYLINDER HEADS WITH FIXING HOLES 6 OFF 5/1 6"
(C)
USED ON CYLINDER HEADS WITH FIXING HOLES 2 OFF 3/8 " AND 4 OFF 5/16".
(D)
OVERSIZE VALVES CAN ONLY BE USED WITH CYLINDER HEA DS WHEN
VALVE GUIDES ARE NOT FITTED.
(E)
USED ONLY WITH HEADS MACHINED TO ACCOMMODATE VALVE GUIDES
Ref 6 Page 6

10. MF 274 SK TRACTOR - 3310637
13
181819
10
10
8
8
8
8
20
6
6
6
6
117
7
7
7
9
9
2
14
3
12
45
17
16
15
1
Ref 8 Page 8

11. MASSEY FERGUSON
MF 274 SK TRACTOR - 3310637 3310637
ROCKER ARM - A4.236 8
Item Part Number Qty Description Comments
A4.236
1 ZZ90030 1 Rocker Shaft Ass
2 ZZ90032 1 Rocker Shaft 1
3 0650507 2 Plug 2
4 33117434 2 Washer 1
5 0170151 2 Circlip 1
6 37521332 4 Bracket 1
7 37371271 4 Lever Left Hand
1
8 37371281 4 Lever Right Hand
1
9 31744123 1 Spring 1
10 31743108 2 Spring 1
11 3775E011 1 Connection 1
12 33811113 1 Olive
13 2231236 1 Setscrew 1
14 0720579 8 Screw 1
15 0576052 8 Nut 1
16 31434163 8 Tappet
17 31434307 8 Pushrod
18 33117426 2 Shim 1
19 0096634 4 Screw
20 0920006 4 Washer
Ref 8 Page 8

12. MF 274 SK TRACTOR - 3310637
9
51
10 49
11
12
8
23
242232
32
31
31
28
27
4140
29 17
17
17
47
47
45
4
37
3 3
133938
133
50
48
3028A
25 26
181921
20
14
16
16
15
6
5
52
2
34
36
46
44
4243
35
Ref 10 Page 10

13. MASSEY FERGUSON
MF 274 SK TRACTOR - 3310637 3310637
TIMING GEAR - A4.236 10
Item Part Number Qty Description Comments
A4.236
1 31171681 1 Gear Number of teeth/spines 28
2 41115023 1 Idler Number of teeth/spines 63
3 0050345 2 Bush 2
4 33426161 1 Hub
5 0941082 1 Plate
6 0096439 3 Bolt Up to Serial or Engine Number U08336N
2184634 3 Screw From Serial or Engine Number U08337N
8 31171353 1 Gear,Camshaft Up to Serial or Engine Number U08336N
Number of teeth/spines 56
8 3117L011 1 Gear,Camshaft From Serial or Engine Number U08337N
Number of teeth/spines 56
9 33153128 1 Washer
10 32161209 1 Screw
11 33115408 1 Washer
12 31733121 1 Washer
13 37161642 1 Housing
14 36814127 1 Joint Up to Serial or Engine Number U08336N
36814137 1 Joint From Serial or Engine Number U08337N
15 0746211 1 Bolt
16 2183205 8 Screw
17 0920053 9 Washer
18 2217138 3 Stud Repairs and replaces 0826277
19 0920003 3 Washer
20 0920053 3 Washer
21 0576002 3 Nut
22 35784119 1 Filler
23 2487854 1 Cap 22
24 24870001 1 Joint 23
25 36862138 1 Joint
26 0746254 2 Setscrew
27 2411152 2 Washer
28 37556148 1 Plate
28A 36861429 1 Joint
29 0748505 1 Screw
30 2232151 2 Screw
31 0920054 3 Washer
32 2238153 3 Nut
33 37166401 1 Cover Repairs and replaces 41422703
34 2418F436 1 Seal 33
35 36813137 1 Joint
36 0746255 14 Setscrew Up to Serial or Engine Number
2183205 10 Screw From Serial or Engine Number
37 0920053 14 Washer Up to Serial or Engine Number
0920053 10 Washer From Serial or Engine Number
38 0096238 4 Bolt
39 2411152 4 Washer
40 3241H004 1 Plate
41 33825419 1 Joint
42 0746252 4 Screw Up to Serial or Engine Number
2183203 4 Screw From Serial or Engine Number
43 2411152 4 Washer Up to Serial or Engine Number
0920053 4 Washer From Serial or Engine Number
44 2758346 1 Angle Drive
45 0746019 1 Screw
46 0746053 1 Bolt
47 2411151 2 Washer
48 31415321 1 Camshaft Up to Serial or Engine Number U08336N
31415371 1 Camshaft From Serial or Engine Number U08337N
49 0500012 1 Woodruff Key
50 33153121 1 Washer
51 2116053 1 Pin
Ref 10 Page 10

14. MF 274 SK TRACTOR - 3310637
30
29
28
25
19
24 21
4
22
23
3
14 2
15
911713
18 811
16 12
3233 10
26
27
31
Ref 12 Page 12

15. MASSEY FERGUSON
MF 274 SK TRACTOR - 3310637 3310637
LUBRICATING OIL SYSTEM - OIL SUMP - A4.236 12
Item Part Number Qty Description Comments
A4.236
Up to Serial or Engine Number U923014K
1 37171825 1 Sump
2 2487004 1 Plug
3 2411260 1 Washer
4 36815721 1 Joint
8 0096241 11 Bolt
9 0920053 11 Washer
10 0096215 1 Screw
11 0920003 1 Washer
12 0920053 1 Washer
13 2184435 4 Screw
14 0920003 4 Washer
15 0920053 4 Washer
16 2184435 2 Screw
17 0920003 2 Washer
18 0920053 2 Washer
19 31787437 1 Dipstick
21 33812108 1 Washer 19
22 33435123 1 Tube
23 33533103 1 Nut
24 37725443 1 Strainer
25 37738261 1 Elbow
26 0746052 2 Bolt
27 0920052 2 Washer
28 36832409 1 Joint
29 0920053 2 Washer
30 0096237 2 Bolt
31 974496M1 4 Bolt
32 391414X1 6 Washer
33 393643X1 6 Nut Metric
Ref 12 Page 12

16. MF 274 SK TRACTOR - 3310637
19
23
3025 22 3228
1
34
33
3
2
16
13
318
26
21
4
Ref 14 Page 14

17. MASSEY FERGUSON
MF 274 SK TRACTOR - 3310637 3310637
LUBRICATING OIL SYSTEM - OIL SUMP - A4.236 14
Item Part Number Qty Description Comments
A4.236
From Serial or Engine Number U923015K
1 37171171 1 Sump Up to Serial or Engine Number
37171173 1 Sump From Serial or Engine Number
2 32186405 1 Plug
3 2415714 1 O Ring
4 36815721 1 Joint
8 2187332 11 Screw
13 2187341 4 Screw
16 2187340 1 Screw
19 31787452 1 Dipstick
21 33812108 14 Washer 19
22 33435123 1 Tube
23 33533103 1 Nut
25 3764E031 1 Filter
26 2315C053 2 Screw
28 3683L002 1 Joint
30 2315C059 2 Screw
31 2187341 1 Screw
32 2217150 2 Stud
33 0576002 2 Nut
34 0920053 2 Washer
Ref 14 Page 14

18. MF 274 SK TRACTOR - 3310637
1
35
333231
34
2
2
3
3
24 292627 3028
15
13147 12
16
2021181719
22
38
5
5
10 4
4011 98 42 37
39
41
25
6
Ref 15A Page 15A

19. MASSEY FERGUSON
MF 274 SK TRACTOR - 3310637 3310637
BALANCER UNIT - A4.236 15A
Item Part Number Qty Description Comments
A4.236
Up to Serial or Engine Number U880190K
1 41733082 1 Balancer
2 1 Frame Not serviced, order 41733082
1
3 2557182 2 Bearing Needle 1
4 2557181 2 Bearing Needle 1
5 2431131 2 Plug 1
6 2431A051 2 Plug 1
7 33137408 2 Thimble 1
8 31171276 1 Shaft 1
9 2576675 1 Woodruff Key 1
10 32731127 1 Shaft 1
11 2576675 1 Woodruff Key
12 37417472 2 Weight 1
13 31164582 2 Pinion 1
14 2172513 6 Screw 1
15 2171225 4 Screw 1
16 84447 1 Gear 1
17 1 Gear Not serviced, order 84447
16
18 2511458 1 Bush 16
19 33451801 1 Hub 1
20 33153133 1 Plate 1
21 0610879 1 Pin 1
22 0096633 1 Bolt 1
23 37714234 1 Body 1
24 31165461 1 Pinion 1
25 31165531 1 Pinion 1
26 32455123 1 Shaft 1
27 36237156 1 Plate 1
28 0350005 2 Dowel 1
29 0096236 5 Bolt 1
30 0920053 5 Washer 1
31 32712715 1 Plunger 1
32 31742128 1 Spring 1
33 33157122 1 Cap 1
34 0610012 1 Pin 1
35 36806722 1 Gasket 1
37 0096441 1 Bolt
38 0920054 1 Washer
39 0096439 2 Bolt
40 0920054 2 Washer
41 2184546 1 Screw
42 0920054 1 Washer
Ref 15A Page 15A

20. MF 274 SK TRACTOR - 3310637
1
49 47
45
5046
48 44
29 2027
2228
2623
17
16
25
24 2
5
6 14
3
7
15
10
11
13
9
37
12 8 3530
38
33 36
34 3942
19
18
404341
51
21
4
Ref 15C Page 15C

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22. MASSEY FERGUSON
MF 274 SK TRACTOR - 3310637 3310637
BALANCER UNIT - A4.236 15C
Item Part Number Qty Description Comments
A4.236
From Serial or Engine Number U880190K
Up to Serial or Engine Number U956620L
1 4111K006 1 Balancer Up to Serial or Engine Number U923014K
4111K011 1 Balancer From Serial or Engine Number U923015K
2 4145L002 1 Frame 1
3 1 Frame Not serviced, order 4145L002
2
4 1 Cover Not serviced, order 4145L002
2
5 2314K112 4 Screw 2
6 2314K107 4 Screw 2
7 33137408 2 Thimble 1
8 32558314 1 Plug 1
9 2431A054 1 Plug 1
10 32712715 1 Plunger 1
11 31742128 1 Spring 1
12 33157122 1 Cap 1
13 3116A055 1 Dowel 1
14 3753R061 1 Cover 1
15 3687M006 1 Joint 1
16 0350042 2 Dowel 1
17 2314K031 4 Screw 1
18 3117V002 1 Hub 1
19 2551A009 1 Bearing Needle 1
20 3116K011 1 Weight 1
21 2511A730 1 Bush 1
22 2511A730 1 Bush 1
23 31172162 1 Gear 1
24 3212T003 1 Hub 1
25 2551A201 1 Bearing Needle 1
26 3321A002 1 Washer 1
27 3116K004 1 Weight 1
28 2511A730 1 Bush 1
29 2511A730 1 Bush 1
30 4132F014 1 Oil Pump 1
33 2315C053 1 Screw 1
34 2315C059 2 Screw 1
35 3116W001 1 Gear 1
36 2551A014 1 Bearing Needle 1
37 3348Y001 1 Nut 1
38 3661M005 1 Cover 1
39 2314C034 4 Screw 1
40 3764V012 1 Pipe Up to Serial or Engine Number U923014K
1
40 3764E031 1 Pipe From Serial or Engine Number U923015K
41 3683L002 1 Joint Up to Serial or Engine Number U923014K
1
42 2315C053 1 Screw Up to Serial or Engine Number U923014K
1
42 2315C053 1 Screw From Serial or Engine Number U923015K
43 2315C059 1 Screw Up to Serial or Engine Number U923014K
1
43 2315C059 1 Screw From Serial or Engine Number U923015K
44 0096442 1 Bolt
45 33115129 1 Washer
46 0096441 2 Bolt
47 33115129 2 Washer
48 0096441 1 Bolt
49 33115129 1 Washer
50 0096439 2 Bolt
51 33115129 2 Washer
Ref 15C Page 15C

23. MF 274 SK TRACTOR - 3310637
29
27
22
2840
20
26
13
13
5
23
3
7
9
10 3511
3712
38
3933
30
34
118 19
5149 4547
48 46 50
21
16
225 14
15
6
4
36
8
44
Ref 15E Page 15E