This document provides a list of parts for a Massey Ferguson 261 tractor engine cylinder head. It includes 61 line items with part numbers, descriptions, and other details. Key components listed include the cylinder head, valves, valve springs, rocker arm assembly, screws and other fasteners. Footnotes provide additional information on some part numbers.

1. Massey Ferguson
261 TRACTOR - 651628 651628
Engine Page010-0000

2. MF 261 TRACTOR - 651628
5961001A
24
2
218
18
3 33 34 32 19
25 1
26
21
4
35
27
38
28
5
37
36
20
29
30
17
16
15
9
7 526
46
10
47
11
51
8
50
50
45
4548
48
49
Ref 00500003-1 Page 010-0005

3. Massey Ferguson
261 TRACTOR - 651628 651628
Cylinder Block Page010-0005
Item Part Number Qty Description Comments
1 3641150M91 1 Engine
3641151M91 1 Short Engine
1077538M91 1 Block (INCL. 2-6)
2 731354M1 8 Plug (1)
1-1/4" CUP
3 736507M3 4 Liner [A]
(1)
4 735944M1 4 Plug (1)
1-25/64" CUP
5 3638093M1 1 Bush (1)
2X2-3/16X1-1/4
6 1476108X1 10 Screw (1)
5/8 X 3-3/4"
NF, HEX
7 733072M1 10 Ring
8 3641862M1 1 Bridge Piece
9 4222702M1 2 Loctite
10 735898M1 2 Washer
11 358098X1 2 Screw Unf 1/4 X 3/4"
HEX
15 355547X1 1 Plug 1/8" P.T.
16 1851095M2 1 Cock
17 731862M1 3 Stud 3/8 X 1-3/8"
18 733043M1 3 Plug 1-29/32" CUP
19 748163M91 1 Housing
20 3638520M1 1 Joint
21 1447691M1 1 Seal
24 3638845M1 1 Head Gasket
25 736868M1 1 Plug 5/16" CUP
26 745174M1 1 Plug
27 365333X1 1 Plug
28 746259M1 4 Plug 1-1/2" EXP.
29 745017M1 1 Pointer
30 376573X1 2 Centraliser 1/4 X 25/64"
SPRING
32 376180X1 1 Plug 7/8" NF,
HEX SCKT.
33 3638664M1 1 Washer 29/32 X 1-1/8
X 3/32" COPPER
34 733043M1 1 Plug
35 353519X1 10 Screw Unf 5/16 1" HEX
36 745015M1 2 Washer 5/16 X 15/32
X 1/32" FLAT
37 353770X1 10 Washer 11/32 X 11/16
X 3/32" FLAT
38 357987X1 2 Bolt 5/16 X 1" NF,
SOCKET HEAD
45 1260A 2 Pin
46 353701X1 1 Screw Unc 7/16 X 1-3/8"
HEX
47 353706X1 1 Bolt Unc 7/16 X 2" HEX
48 353711X1 4 Bolt Unc 7/16 X 2-5/8"
HEX
49 353704X1 2 Bolt Unc 7/16 X 1-3/4"
HEX
50 353708X1 5 Bolt Unc [B]
7/16 X 2-1/4"
HEX
377562X1 5 Bolt Unc [B]
7/16 X 2-1/4"
HEX
51 353564X1 1 Bolt Unf 7/16 X 1-5/8"
HEX
52 353426X1 1 Nut Unf 7/16 HEX
FOOTNOTE [A] UNFINISHED LINER, NEEDS FINISHING AFTER PRESSING I N BLOCK. SEE PISTON PAGE FOR FINISHED
LINER.
FOOTNOTE [B] ALTERNATE PARTS

4. MF 261 TRACTOR - 651628
5961002A
5
32
1
6
181617
28
28
221530
144 2
21
29
29
26
3 31
40 35
35
37
7
8
9
10
11
36
36
38
24
Ref 00803101-1 Page 010-0010

5. Massey Ferguson
261 TRACTOR - 651628 651628
Crankshaft Page010-0010
Item Part Number Qty Description Comments
1 1077540M91 1 Crankshaft (INCL 2-5)
2 735168M91 1 Kit, Bearing (1)
STD. MAIN
Replace and repair. Old not interchangeable with new 837840M91
3 747129M1 2 Thrust Washer (1)
LOWER THRUST
4 747128M1 2 Thrust Washer (1)
UPPER THRUST
5 736950M91 1 Kit, Bearing (1)
STD. CONN ROD
6 2196X 1 Key
7 734749M1 1 Gear
8 742539M1 1 Washer
9 1077539M1 1 Pulley
10 4222509M1 1 Washer THRUST
11 747267M1 1 Screw
14 742106M91 1 Flywheel (INCL 15)
15 731008M1 1 Annular Gear (14)
16 353592X1 6 Bolt Unf 1/2X1-1/8" HEX
17 3819725M1 3 Washer 33/64" SPECIAL
Replace and repair. Old interchangeable with new 745365M1
18 828123M2 1 Bearing Assy
21 735743M1 X Washer + .007" LOWER
22 735742M1 X Washer + .007" UPPER
24 837841M91 X Kit, Bearing - .010" MAIN
837842M91 X Kit, Bearing - .020" MAIN
837843M91 X Kit, Bearing - .030" MAIN
26 837845M91 X Kit, Bearing - .010" ROD
837846M91 X Kit, Bearing - .020" ROD
837847M91 X Kit, Bearing - .030" ROD
28 747370M1 4 Bearing (2)
STD.MAIN
29 747374M1 4 Bearing (2)
STD.MAIN
30 747362M1 1 Bearing (2)
STD.MAIN
31 747378M1 1 Bearing (2)
STD.MAIN
32 747366M1 8 Bearing (5)
STD.ROD
35 747371M1 4 Bearing (24)
.010"MAIN
837843M91 4 Kit, Bearing (24)
.020"MAIN
747373M1 4 Bearing (24)
.030"MAIN
36 747375M1 4 Bearing (24)
.010"MAIN
747376M1 4 Bearing (24)
.020"MAIN
747377M1 4 Bearing (24)
.030"MAIN
37 747363M1 1 Bearing (24)
.010"MAIN
747364M1 1 Bearing (24)
.020"MAIN
747365M1 1 Bearing (24)
.030"MAIN
38 747379M1 1 Bearing (24)
.010"MAIN
747380M1 1 Bearing (24)
.020"MAIN
747381M1 1 Bearing (24)
.030"MAIN
40 747367M1 8 Bearing (26)
.010"ROD
747368M1 8 Bearing (26)
.020"ROD
747369M1 8 Bearing (26)
.030"ROD

6. MF 261 TRACTOR - 651628
0-0065-003-A
11
12
9
210
338
39 4
40
41
42
43
544
6
6
7
1
8
17
36
37
16
16
15
14
14
14
48 49
49
21
47
19
50
22
51
30
33
32
31
27
26
20
25
24
Ref 00650003-1 Page 010-0015

7. Massey Ferguson
261 TRACTOR - 651628 651628
Camshaft Page010-0015
Item Part Number Qty Description Comments
1 4223469M1 1 Case
2 1077548M91 1 Filler (INCL 3)
3 1 Cap (2)
OIL FILLER
4 1 Gasket (3)
5 353517X1 2 Screw Unf 5/16X3/4" HEX
6 732575M1 6 Washer 5/16" ALUMINUM
7 3641274M1 1 Joint [A]
8 3641746M1 1 Joint Replace and repair. Old not interchangeable with new 742474M1
9 734594M1 1 Plate
10 1077547M1 1 Gasket
11 354123X1 3 Nut 3/8" NC, HEX
12 353434X1 3 Lock Washer 3/8"
14 353518X1 20 Screw Unf 5/16 X 7/8 HEX
15 353519X1 1 Screw Unf 5/16 X 1" HEX
16 353446X1 19 Lock Washer 5/16"
17 354261X1 1 Bolt Unc 3/8 X 1-3/8 "
HEX
19 4223113M1 1 Cover Replace and repair. Old not interchangeable with new 734888M1
20 1447690M1 1 Seal
21 4222563M1 1 Joint Replace and repair. Old not interchangeable with new 3638517M1
22 353521X1 4 Bolt Unf 5/16 X 1-1/4"
HEX
24 747788M1 1 Plate
25 3641256M1 1 Joint Replace and repair. Old not interchangeable with new 734890M1
26 353516X1 4 Screw Unf 5/16 X 5/8"HEX
27 3641256M1 4 Joint Replace and repair. Old not interchangeable with new 734890M1
30 3699203M91 1 Drive TACHOMETER
31 353503X1 1 Screw Unf 1/4 X 3/4" HEX
32 1077546M1 1 Screw
33 376077X1 2 Washer 17/64" FLAT
36 736818M1 1 Camshaft
37 2196X 1 Key
38 1476145X1 1 Dowel DOWEL
39 733728M1 1 Washer THRUST
40 736254M1 1 Gear
41 734182M1 1 Washer
42 734276M1 1 Washer TAB
43 734663M1 1 Washer SHIM
44 747776M1 1 Screw
47 735852M1 1 Hub
48 734738M91 1 Pinion (INCL49)
49 731033M1 2 Bush (48)
50 731086M1 1 Plate
51 353550X1 3 Bolt Unf 3/8 X 2-1/2"
HEX
FOOTNOTE [A] NON-ASBESTOS

8. MF 261 TRACTOR - 651628
5961004A
5
2
3 1
7
10
9 1114
12
Ref 00550003-1 Page 010-0020

9. Massey Ferguson
261 TRACTOR - 651628 651628
Connecting Rod Page010-0020
Item Part Number Qty Description Comments
1 1077542M91 4 Piston (INCL2-3)
2 1 Pin (1)
ORD.1077542M91
3 376131X1 2 Clip (1)
5 743110M91 4 Piston
7 736507M3 4 Liner [A]
744948M1 X Liner [B]
9 3637034M91 4 Kit, Conrod
10 733767M1 1 Bush (9)
11 4222485M1 2 Screw (9)
Replace and repair. Old not interchangeable with new 3637029M1
12 3637030M1 2 Nut (9)
14 736950M91 1 Kit, Bearing STD. ROD
837845M91 X Kit, Bearing -.010" ROD
837846M91 X Kit, Bearing -.020" ROD
837847M91 X Kit, Bearing -.030" ROD
FOOTNOTE [A] UNFINISHED LINER, NEEDS FINISHING AFTER PRESSING I N BLOCK.
FOOTNOTE [B] FINISHED LINER

10. MF 261 TRACTOR - 651628
5961005A
68
67
69
60
61
64
70
63
6655 62
6556 35
36
4746
4539 4843
40
50
37 51 49
42
38
41
21
2053
18 22
1754
16
2715
14 25
25
26
26
12
11
23
1 78
5
6
2
4
3
30 31
9 10
24
Ref 00750003-1 Page 010-0025

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12. Massey Ferguson
261 TRACTOR - 651628 651628
Cylinder Head Page010-0025
Item Part Number Qty Description Comments
1 1077543M91 1 Head (INCL. 2-18)
2 731410M1 1 Plug (1)
3 376178X1 1 Washer (1)
5/8" ALUMINUM
4 731354M1 1 Plug (1)
1-1/4" CUP
5 747753M1 1 Plate (1)
6 3638703M1 1 Joint [A]
(1)
7 353517X1 6 Screw Unf (1)
5/16 X 3/4"HEX
8 353446X1 6 Lock Washer (1)
5/16"
9 741466M1 4 Valve Exhaust (1)
10 739027M1 4 Valve Inlet (1)
11 3637041M1 8 Seal (1)
12 734640M1 8 Washer (1)
14 735525M1 8 Spring (1)
INNER
15 735521M1 8 Spring (1)
OUTER
16 1447652M1 4 Ring (1)
VALVE STEM
17 746698M1 8 Cap (1)
18 736453M1 8 Cotter (1)
SET OF TWO
20 739505M1 12 Screw 1/2 X 4-1/8"
NF, HEX
21 739504M1 8 Screw 1/2 X 3-1/2"
NF, HEX
22 739506M1 2 Screw 1/2 X 4-5/16"
NF, HEX
23 1476153X1 4 Screw 5/16 X 4" NF,
12 POINT
24 747835M1 1 Plate
25 353538X1 4 Screw Unf 3/8 X 7/8" HEX
26 353434X1 4 Lock Washer 3/8"
27 736678M1 1 Plate
30 741937M1 X Valve Exhaust +.003"
741938M1 X Valve Exhaust +.015"
741939M1 X Valve Exhaust +.030"
31 736812M1 X Valve Inlet +.003"
736813M1 X Valve Inlet +.015"
736814M1 X Valve Inlet +.030"
35 3637395M91 1 Rocker Shaft (INCL 36)
36 731330M1 2 Plug (35)
37 363861X1 2 Circlip
38 747876M1 2 Washer THRUST
39 4223075M91 4 Rocker (INCL 40)
Replace and repair. Old not interchangeable with new 3641306M91
40 895748M1 1 Bush (39)
41 4223076M91 4 Rocker (INCL 42)
Replace and repair. Old not interchangeable with new 3641247M1
42 895748M1 1 Bush (41)
43 746461M1 4 Bracket
45 733811M1 2 Spring LONG
46 733812M1 2 Spring SHORT
47 350029X1 1 Screw Unf 10 X 1/2" SEMS
48 3637064M1 1 Connection
49 4223933M1 8 Screw
50 353430X1 8 Nut Unf 3/8" HEX
51 376525X1 8 Olive 1/4 X 27/64 X
15/64"
53 733817M1 8 Rod
54 4222069M1 8 Tappet Replace and repair. Old not interchangeable with new 740671M1
55 353567X1 4 Bolt Unf 7/16 X 2" HEX
56 1440275X1 4 Washer Metric 7/16X7/8X3/32"
60 734912M91 1 Cover
61 4223924M1 1 Joint
62 354498X1 1 Bolt Unf 5/16 X 3-3/8"
HEX
63 353446X1 1 Lock Washer 5/16"

13. Massey Ferguson
261 TRACTOR - 651628 651628
Cylinder Head Page010-0025
Item Part Number Qty Description Comments
64 353770X1 1 Washer 11/32 X 11/16
X 3/32" FLAT
65 740498M91 1 Pipe
66 740497M1 1 Pipe
67 376192X1 4 Bolt 1/4 X 5/8"
SOCKET HD.
68 353441X1 4 Lock Washer 1/4"
69 344107X1 4 Washer 1/4" FLAT
70 832714M1 1 Clamp
FOOTNOTE [A] NON-ASBESTOS

14. MF 261 TRACTOR - 651628
5961006A
6052
5150
5349
47
46
43
58 18
59
61
48 564544
57 7542
32 743155 33
30
241939
3635 733738
71
72
4 321
23
23
20
25
6
26 2227
65
1466 64
63
2
7
13
13
13
13
15
10
12
12
9
111
Ref 04400003-1 Page 010-0030

15. Massey Ferguson
261 TRACTOR - 651628 651628
Lubricating Oil Sump Page010-0030
Item Part Number Qty Description Comments
1 746421M1 1 Sump
2 3638519M1 1 Joint [A]
3 735129M91 1 Dipstick (INCL. 4)
4 731119M1 1 Washer (3)
1/8X3/8X5/32"
6 735128M1 1 Tube
7 733365M1 1 Nut SPECIAL
9 376501X1 1 Plug 3/4" NF, HEX
10 1476281X1 1 Washer .756 X 1.062 X
.104" THICK
ALUMINUM
11 354497X1 11 Bolt Unf 5/16 X 3-1/4"
HEX
12 348021X1 6 Bolt 5/16 X 5-1/2"
NF, HEX
13 353446X1 19 Lock Washer 5/16"
14 734882M1 2 Stud 5/16" NF, X
3-15/16"
15 353916X1 2 Nut Unf 5/16"
18 746432M91 1 Balancer (INCL. 19-53)
19 743303M1 1 Frame (18)
20 746697M1 2 Bearing Needle (18)
ROLLER
21 746696M1 2 Bearing (18)
ROLLER
22 365331X1 2 Plug (18)
1/6 NPTF X 1/4
HEX SCKT.
23 363332X1 2 Washer (18)
1/8 NPTF X 1/4
HEX SCKT.
24 3641737M1 2 Plug (18)
25 743115M1 1 Shaft (18)
DRIVEN
26 743137M1 1 Shaft (18)
DRIVE
27 376588X1 2 Key (18)
1/4 SQ.X 3"
30 746693M1 2 Weight (18)
31 746694M1 2 Gear (18)
32 358098X1 6 Screw Unf (18)
1/4 X 3/4 "
SOCKET HD.
33 376118X1 4 Bolt (18)
5/16" NF, SET
35 747509M91 1 Gear (18)
IDLER (INCL36)
36 1852317M1 1 Bush (35)
37 734905M2 1 Hub (18)
38 377560X1 1 Bolt Unf (18)
7/16 X 1-7/8"
GRD. 8 HEX
39 734906M1 1 Pin (18)
DOWEL
40 734904M1 1 Plate (18)
42 731368M1 2 Dowel (18)
3/16 X 1/2"
43 740135M1 1 Plate (18)
44 734849M1 1 Shaft (18)
45 734850M1 1 Gear (18)
DRIVEN
46 743020M1 1 Gear (18)
DRIVE
47 743194M1 1 Body (18)
48 354061X1 1 Pin (18)
1/8 X 1-1/4"
49 736510M1 1 Plunger (18)
50 736511M1 1 Spring (18)
51 735199M1 1 Cap (18)
52 353527X1 5 Screw (18)
5/16 X 2" NF,
HEX