This is a very practical manual

1. MASSEY FERGUSON
MF 284 TRACTOR - 3310602 3310602
TABLE OF CONTENT 00
Ref 00 Page 00

2. MASSEY FERGUSON
MF 284 TRACTOR - 3310602 3310602
TABLE OF CONTENT 00
Ref 00 Page 00

3. MF 284 TRACTOR - 3310602
4
48
47
49
21
11 17
17
22
78
13
15 37
383226
14
19 9
18
33
39 35
34 36
36A3031
20
401
41
42
45
3 43
44
12
5
2728
2
29
16
46
6
Ref 2 Page 2

4. MASSEY FERGUSON
MF 284 TRACTOR - 3310602 3310602
CYLINDER BLOCK - A4.236 2
Item Part Number Qty Description Comments
A4.236
1 ZZ50031 1 Kit,Cyl.Block
2 33142111 10 Thimble 1
3 32166329 10 Bolt 1
4 31358441 4 Liner 1
31358393 4 Liner (A)
5 0650618 4 Plug 1
6 0650710 6 Plug 1
7 0650710 2 Plug 1
8 32418122 4 Plug
9 0650588 2 Plug
11 32417134 1 Plug
12 2485A204 1 Plug
13 32416105 1 Plug
14 0650582 1 Plug
15 0920130 1 Washer
16 0650588 1 Plug
17 32161114 2 Plug
18 1423895M91 1 Switch (B)
1877721M92 1 Pressure Switch (C)
19 31134132 1 Bush 1
20 0350018 2 Dowel
21 32526312 2 Stud
22 33221316 2 Nut
26 2214209 1 Stud
27 0920054 1 Washer
28 2188135 1 Nut
29 974496M1 2 Bolt
30 353433X1 2 Lock Washer
31 393643X1 2 Nut Metric
32 4142V061 1 Kit, Housing
33 2418F475 1 Seal
34 0350009 2 Dowel
35 36817157 1 Joint
36 2172530 2 Capscrew
36A 33112111 2 Washer
37 0746211 10 Bolt
38 33812118 10 Washer
39 32452113 1 Pointer
40 36277833 1 Bridge Piece
41 32811408 1 Joint
42 32517128 2 Stud
43 0920053 2 Washer
44 0576002 2 Nut
45 2176369 2 Screw
46 0920521 2 Washer
47 2485A204 1 Plug 1
48 32452113 1 Pointer
49 0650588 1 Plug
(A)
PRESS FIT
(B)
Up to Serial or Engine Number 120H00408 -
220H01212
(C)
From Serial or Engine Number 120H00409 -
220H01213
Ref 2 Page 2

5. MF 284 TRACTOR - 3310602
35
36
18
31
102 9
11
17
4
12
15
22
23
24
25
26
20 19
1
5
8
38
7
39
6
43
40
41
42
3744
45
21
46
32
Ref 3A Page 3A

6. MASSEY FERGUSON
MF 284 TRACTOR - 3310602 3310602
CYLINDER BLOCK - A4.236 ENGINE - METRIC 3A
Item Part Number Qty Description Comments
A4.236 ENGINE - METRIC
From Serial or Engine Number 120H00711 -
220H01496
1 ZZ50114 1 Kit,Cyl.Block
2 3135X031 4 Liner (A)
1
2 3135X032 X Liner (B)
4 0650563 6 Plug 1
5 0650618 6 Plug 1
6 33142111 10 Thimble 1
7 32166329 10 Bolt 1
8 31134132 1 Bush 1
9 0650563 2 Plug 1
10 32416105 1 Plug
11 0650582 1 Plug
12 0920130 1 Washer
15 0650577 4 Plug
17 32417134 1 Plug
18 36812352 1 Head Gasket
19 4142V061 1 Kit, Housing
20 2418F475 1 Seal 19
21 36817157 1 Joint
22 0746211 10 Bolt
23 0920003 10 Washer
24 0350009 2 Dowel
25 2172530 2 Capscrew
26 33112111 2 Washer
31 2485A204 2 Plug 1
32 1877721M92 1 Pressure Switch
35 32452113 1 Pointer
36 0650588 1 Plug
37 2654403 1 Oil Filter
38 37764181 1 Filter Head
39 36862517 1 Joint
40 2184454 2 Bolt Repairs and replaces 0746610
41 33115118 2 Washer
42 33286126 1 Connection 38
43 32114143 1 Plug Repairs and replaces 32114116
44 0650594 1 Plug Repairs and replaces 2431131
45 32161114 2 Plug
46 32161114 1 Plug Repairs and replaces 31261357
Repairs and replaces 32161114
(A)
PRESS FIT
(B)
SLIP FIT
Ref 3A Page 3A

7. MF 284 TRACTOR - 3310602
5
1
3
11
12
9 19
1316
151817
2
7
6
4
14
8
10
24
20
2122
Ref 4 Page 4

8. MASSEY FERGUSON
MF 284 TRACTOR - 3310602 3310602
CRANKSHAFT & FLYWHEEL - A4.236 4
Item Part Number Qty Description Comments
A4.236
1 ZZ90009 4 Kit, Conrod
2 32762116 8 Bolt 1
3 33221328 8 Nut 1
4 31134123 4 Bush 1
5 68301 4 Kit, Piston
68300 X Kit, Piston (A)
68301C X Kit, Piston Thickness +0,762 MM.
68300C X Kit, Piston (A)
Thickness +0,762 MM.
6 0170002 8 Circlip 5
7 41158041 4 Kit, Piston Ring
8 U5BG0024 1 Kit, Crankshaft
9 81558 1 Kit, Bearing 8
81558A X Kit, Bearing Thickness -0,254 MM.
81558B X Kit, Bearing Thickness -0,508 MM.
81558C X Kit, Bearing Thickness -0,762 MM.
10 85042 1 Kit, Bearing 8
85042A X Kit, Bearing Thickness -0,254 MM.
85042B X Kit, Bearing Thickness -0,508 MM.
85042C X Kit, Bearing 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
18 33125124 1 Washer
19 1825511M1 1 Flywheel
20 0410236 1 Starter Ring
21 973013M1 6 Bolt
22 0921062 3 Tab Washer
23 339599X1 1 Bearing Ball
(A)
UNTOPPED
Ref 4 Page 4

9. MF 284 TRACTOR - 3310602
17
13
10
8
14
11
16
16
9 15
12
7
27
30
31
28
24
32
34 33
23
25
25
5
4
38
26
36
37
35
29
1
Ref 5A Page 5A

10. MASSEY FERGUSON
MF 284 TRACTOR - 3310602 3310602
CRANKSHAFT & FLYWHEEL - A4.236 ENGINE - METRIC 5A
Item Part Number Qty Description Comments
A4.236 ENGINE - METRIC
From Serial or Engine Number 120H00711 -
220H01496
1 31148792 1 Pulley
4 32162331 1 Screw (D)
Repairs and replaces 32162318
5 33125124 1 Washer (D)
7 ZZ90009 4 Kit, Conrod Repairs and replaces M7BJ0015
8 1 Conrod Not serviced, order ZZ90009
7
9 1 Cap Not serviced, order ZZ90009
7
10 31134123 1 Bush 7
11 32762116 2 Bolt 7
12 33221328 2 Nut 7
13 68300 4 Kit, Piston (B)
68301 4 Kit, Piston (C)
14 1 Piston Not serviced, order REF. 13
13
15 1 Pin Not serviced, order REF. 13
13
16 0170002 2 Circlip 13
17 41158041 4 Kit, Piston
Ring
23 31171681 1 Gear
24 0500012 1 Woodruff Key
25 0410236 1 Starter Ring
26 33117121 6 Washer
27 U5BG0024 1 Kit, Crankshaft
28 1 Crankshaft Not serviced, order U5BG0024
27
29 81558 1 Kit, Bearing (A)
27
29 81558A X Kit, Bearing (A)
Thickness -0,010"
29 81558B X Kit, Bearing (A)
Thickness -0,020"
29 81558C X Kit, Bearing (A)
Thickness -0,030"
30 85042 1 Kit, Bearing (A)
27
30 85042A X Kit, Bearing (A)
Thickness -0,010"
30 85042B X Kit, Bearing (A)
Thickness -0,020"
30 85042C X Kit, Bearing (A)
Thickness -0,030"
31 31137551 2 Thrust
Washer
27
31137312 X Thrust
Washer
Thickness +0,007"
32 31137561 2 Thrust
Washer
27
31137322 X Thrust
Washer
Thickness +0,007"
33 3271R021 1 Spacer (E)
27
34 32186139 3 Screw (E)
27
35 1825111M91 1 Track
36 973013M1 6 Bolt
37 33117127 6 Washer
38 339599X1 1 Bearing Ball
(A)
PRE-FINISHED
(B)
UNTOPPED
(C)
PRE-TOPPED
(D)
Ref 5A Page 5A

11. MASSEY FERGUSON
MF 284 TRACTOR - 3310602 3310602
CRANKSHAFT & FLYWHEEL - A4.236 ENGINE - METRIC 5A
Item Part Number Qty Description Comments
USED ONLY WITH CRANKSHAFT 68609/94434/U5BG0008/
(E)
USED ONLY WITH CRANKSHAFTS U5BG0022/U5BG0023/
U5BG0024/U5BG0025/U5BG0026
Ref 5A Page 5A

12. MF 284 TRACTOR - 3310602
36
53
54
37 35
38
39
18
12
40
40
32
32
13
44
33
33
31
17
9
29
1019
11
6
3
4
16
27
55
25
4126
48 2
45
49
564758
22
43
78
30
51
20
34
15
14
52
5
57
46
50
Ref 6 Page 6

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14. MASSEY FERGUSON
MF 284 TRACTOR - 3310602 3310602
CYLINDER HEAD AND COVER - A4.236 6
Item Part Number Qty Description Comments
A4.236
1 ZZ80054 1 Kit, Cyl. Head
2 0650563 1 Plug 1
3 3621F005 1 Plate 1
4 36851409 1 Joint 1
5 353517X1 6 Screw Unf 1
6 0920053 6 Washer 1
7 31431641 4 Valve Inlet 1
31431401 X Valve Inlet (B)
Thickness +0,076 MM
7 31431402 X Valve Inlet (B)
Thickness +0,38 MM
7 31431403 X Valve Inlet (B)
Thickness +0,76 MM
8 31431881 4 Valve Exhaust 1
3142A053 X Valve Exhaust (B)
Thickness +0,076 MM
8 3142A054 X Valve Exhaust (B)
Thickness +0,38 MM
8 3142A055 X Valve Exhaust (B)
Thickness +0,76 MM
9 31745121 8 Spring 1
10 31744131 8 Spring 1
11 33123117 8 Washer 1
12 33817117 4 Seal 1
13 33817117 4 Seal 1
14 33423147 8 Cap 1
15 33173108 8 Cotter (A)
1
16 36812349 1 Head Gasket
17 32181424 6 Screw
18 32181425 12 Screw
19 32181426 2 Screw
20 0096434 4 Bolt
21 0920006 1 Washer
22 353426X1 4 Nut Unf
25 0826467 1 Stud
26 0920054 1 Washer
27 2188135 1 Nut
29 0576002 8 Nut
30 3648C004 1 Plate
31 36177111 1 Plate
32 0746453 4 Setscrew
33 0920054 4 Washer
34 37188549 1 Cyl.Head
Cover
Up to Serial or Engine Number (D)
35 36811132 1 Joint
36 2172513 4 Screw
37 0920052 4 Washer
38 0920002 4 Washer
39 33872516 1 Pipe Repairs and replaces 33872517
40 0180063 2 Clip
41 35731144 1 Union
43 33152139 4 Insert
44 2415B201 8 O Ring 1
45 3281M001 4 Distance
Piece
1
46 33813129 4 Spacer 1
47 33813131 1 Seal 1
48 0650203 1 Plug
49 2411157 1 Washer
50 3343F002 4 Guide (C)
1
51 3343J002 4 Guide (C)
1
52 37188141 4 Cyl.Head
Cover
(E)
53 2487845 1 Cap (E)
54 24870002 1 Joint (E)
55 0096215 1 Screw
Ref 6 Page 6

15. MASSEY FERGUSON
MF 284 TRACTOR - 3310602 3310602
CYLINDER HEAD AND COVER - A4.236 6
Item Part Number Qty Description Comments
56 0920003 1 Washer
57 0920053 1 Washer
58 33152153 X Insert
(A)
SERVICED IN PAIRS
(B)
OVERSIZE VALVES CAN ONLY BE USED WITH CYLINDER HEA DS WHEN
VALVE GUIDES ARE NOT FITTED.
(C)
USED ONLY WITH HEADS MACHINED TO ACCOMMODATE VALVE GUIDES
(D)
Up to Serial or Engine Number
(E)
From Serial or Engine Number
Ref 6 Page 6

16. MF 284 TRACTOR - 3310602
48
15
1214
54
6311
31
4464
62
25
10
927
8
18
3736 19
16
17
2 4
31
577
65
60
50
49
46
47
53
45
26
55
58
56
59
61
52
51
Ref 7C Page 7C