parts catalogue manual

1. Massey Ferguson
1020 TRACTOR (HYDRO. TRANSMISSION) 651576
TABLE OF CONTENT Page00-00

2. 1020 TRACTOR (HYDRO. TRANSMISSION)
49
9
21
1
20
39 30
13
33
48
37 3
3
38
15
5
34
14
17
40 41
41 32 7
7
16
6
4 22
19
18
23
31
43
36
42
35
47 45
44
46
11
12
2
8
10
Ref 2 Page 2

3. Massey Ferguson
1020 TRACTOR (HYDRO. TRANSMISSION) 651576
CYLINDER BLOCK AND OIL PAN Page2
Item Part Number Qty Description
3439700M92 1 Engine Assembly (Complete)
3439695M91 1 Short Block Assembly
1 3435135M91 1 Block Assembly
2 3605087M1 8 (A) Bolt, Bearing Cap (M11 - 1.25 x 61MM Hex.)
3284003M1 8 (B) Bolt, Bearing Cap (M11 - 1.25 x 60MM Hex.)
3 3284004M1 2 Pin, Dowel
4 3284006M1 1 Shaft, Idler Gear
5 3284005M1 1 Plug (55MM Diag.)
6 3280498M1 1 Adapter, Oil Dipstick
7 3283891M1 4 Plug (1/8" P.T.)
8 3280120M1 2 Plug (14MM Dia.)
9 3280121M1 3 Plug (40MM Dia.)
10 3435137M1 2 Stud
11 3435018M1 1 Stud (M8 - 1.5 x 55MM)
12 3284847M1 1 Stud (M8 - 1.5 x 40MM)
13 3284846M1 4 Stud (M8 - 1.5 x 22MM)
14 3284845M1 1 Stud (M8 - 1.5 x 20MM)
15 1440690X1 2 Pin (10 x 22MM Dowel)
16 3283991M1 2 Pin, Dowel (Front)
17 3435645M1 2 Pin, Dowel (Rear)
18 3284001M1 1 Bearing, Camshaft (Front)
19 3284002M1 2 Bearing, Camshaft (Rear)
20 3436695M1 1 Gasket
21 3435416M1 1 Bolt (M10 - 1.25 x 14MM Hex. Hd.)
22 3437358M1 1 Stud (M8 - 1.5 x 60MM)
23 3605088M1 1 (A) Bolt, (M11-1.25 x 61MM Hex W/M10-1.25 Stud)
3437341M1 1 (B) Bolt, (M11 - 1.25 x 60MM Hex., W/M10-1.25 Stud)
30 3283980M1 1 Guide, Cable
31 3283981M1 4 Seal, Bearing Cap
32 3283982M1 1 Bolt, Lock
33 3283983M1 1 "O" Ring, Guide
34 3283984M1 1 Gear, Cable Drive
35 3435134M1 1 (C) Dipstick, Oil Level Indicator
36 3283985M1 1 (D) Dipstick Gauge, Oil Level
37 3283986M1 1 Cover
38 3283987M1 1 Gasket, Cover
39 3283988M1 1 Connector, Drain Hose
40 3283978M1 1 Bolt (M6 - 1.0 x 10MM)
41 3283538M1 2 Gasket, Bolt
42 3435138M92 1 Pan Assembly, Oil
43 3283491M1 1 Gasket, Oil Pan
44 3280104M1 1 Plug, Drain (Magnetic)
45 3280105M1 1 Gasket, Drain Plug
46 1440711X1 16 Bolt (M8 - 1.25 x 16MM Hex., Hd)
47 353446X1 16 Washer (5/16" Lock)
48 339560X1 2 Bolt (M6 - 1.0 x 16MM Hex.)
49 353441X1 2 Washer (1/4" Lock)
****************************************
(A) - Used 2WD Tractor Serial Number
02414 And Up.
- Used 4WD Tractor Serial Number 41837
And Up.
(B) - Used Prior To 2WD Tractor Serial
Number 02414.
- Used Prior To 4WD Tractor Serial
Number 41837.
(C) - Used Late Produciton Tractors.
(D) - Used Early Produciton Tractors.

4. 1020 TRACTOR (HYDRO. TRANSMISSION)
1
3
4
9
8
2
7
15
6
16
14
28
18
17
38
39 43
30 32
35
29
33 37
37
26
44
44
45
45
45
45
45
46
46
31
27
47
34
24
25
41
36
40
5
42
Ref 5 Page 5

5. Massey Ferguson
1020 TRACTOR (HYDRO. TRANSMISSION) 651576
CAMSHAFT, TIMING GEAR Page5
Item Part Number Qty Description
1 3283523M1 1 Camshaft, Engine
2 3283524M1 1 Gear, Camshaft
3 3283525M1 1 Key, Camshaft Gear
4 3283526M1 1 Plate, Camshaft Thrust
5 3280148M1 1 Washer, Thrust
6 1442558X1 1 Bolt (M10 - 1.25 x 35MM Hex.)
7 339376X1 1 Washer (M10 Lock)
8 390379X1 2 Bolt (M8 - 1.25 x 18MM Hex.)
9 353446X1 2 Washer (5/16" Lock)
14 3283864M91 1 Gear Assembly, Idler
15 3284006M1 1 Shaft, Idler Gear
16 3283868M1 1 Spacer, Idler Gear
17 3283863M1 1 Ring, Gear Retaining
18 3283865M1 AR Washer, Thrust (1.8MM)
3283866M1 AR Washer, Thrust (2.0MM)
3283867M1 AR Washer, Thrust (2.3MM)
24 3283882M91 1 Cover Assembly, Timing Gear
25 3283885M1 1 Seal, Front Oil
26 3283886M1 2 Bearing, Needle
27 3283884M1 2 Stud (M8 - 1.5 x 30MM)
28 3283877M1 1 Plate, Cover (Front)
29 3283883M1 1 Plate, Screen
30 3283878M1 1 Housing, Bearing
31 3283879M1 1 Gear, Pump Drive
32 3283880M1 AR Washer, Adjusting (0.3MM)
3283881M1 AR Washer, Adjusting (0.5MM)
3284638M1 AR Washer, Adjusting (0.1MM)
33 3283873M1 1 Gasket, Front Plate
34 3283874M1 1 Gasket, Gear Case
35 3283875M1 1 Gasket, Bearing Housing
36 3283876M1 1 Plate, Timing
37 3283872M1 5 Bolt W/Lock (M8 - 1.25 x 28MM Hex. Hd.)
38 390379X1 6 Bolt (M8 - 1.25 x 18MM Hex.)
39 353446X1 6 Washer (5/16" Lock)
40 339168X1 4 Bolt (M8 - 1.25 x 50MM Hex.)
41 339368X1 1 Bolt (M8 - 1.25 x 60MM Hex.)
42 339123X1 2 Bolt (M8 - 1.25 x 20MM Hex.)
43 353446X1 2 Washer (5/16" Lock)
44 1440203X1 3 Nut (M8 - 1.25 Hex.)
45 353446X1 8 Washer (5/16" Lock)
46 339064X1 2 Bearing, Ball
47 339291X1 1 Bolt (M8 - 1.25 x 55MM Hex.)

6. 1020 TRACTOR (HYDRO. TRANSMISSION)
2
3
5
1
4 6
14
11
15
13
12
20
21
18
22
32
37
23
36 31 30
39
40
40
41
41
33
35
43
34
38
42
Ref 6 Page 6

7. Massey Ferguson
1020 TRACTOR (HYDRO. TRANSMISSION) 651576
PISTONS, CONNECTING RODS, CRANKSHAFT AND FLYWHEEL Page6
Item Part Number Qty Description
1 3435663M1 3 Piston (Std.)
3435604M1 3 Piston (+.50MM)
2 3435145M1 3 Pin
3 3435605M91 3 Ring Set, Single Piston (Std.)
3435606M91 3 Ring Set, Single Piston (+.50MM)
4 3283499M1 6 Bearing, Connecting Rod (Standard)
3284635M1 6 Bearing, Connecting Rod (-.25MM)
3284636M1 6 Bearing, Connecting Rod (-.50MM)
5 3283500M91 3 Rod Assembly, Connecting
6 3283503M1 6 Bolt, Connecting Rod
11 3435146M91 1 Crankshaft Assembly
12 3283512M1 1 Gear, Crankshaft
13 3280001M1 2 Key, Crankshaft
14 3280931M1 1 Pin, Dowel
15 3284626M91 1 Bearing Kit, Main (Std.)
3284627M91 1 Bearing Kit, Main (-.25MM)
3284628M91 1 Bearing Kit, Main (-.50MM)
18 3284629M91 1 Flange Kit, Thrust (Standard)
3284630M91 1 Flange Kit, Thrust (+.25MM)
3284631M91 1 Flange Kit, Thrust (+.50MM)
20 3283505M1 1 Pulley, Crankshaft
21 3280140M1 1 Washer (23 x 46 x 5MM Flat)
22 1440218X1 1 Nut (M12 - 1.5 Hex.)
23 3280974M1 4 Plug (16MM Dia.)
3435148M91 1 Flywheel Assembly
30 3435646M1 1 Bearing, Flywheel Pilot
31 3283516M1 1 Ring Gear, Flywheel
32 3283514M1 3 Pin, Dowel
33 3284011M91 1 Cover Assembly, Oil Seal
34 3283518M1 1 Seal, Rear Oil
35 3284012M1 1 Gasket, Oil Seal Cover
36 3284013M1 1 Plate, Flywheel (Rear)
37 1441302X1 4 Bolt (M10 - 1.25 x 30MM Hex.)
38 339337X1 1 Bolt (M8 - 1.25 x 30MM Hex. Hd.)
39 391931X1 4 Bolt (M8 - 1.25 x 25MM Hex.)
40 390972X1 5 Washer (8.4 x 17 x 1.6MM Flat)
41 353446X1 5 Washer (5/16" Lock)
42 1441134X1 6 Bolt (M10 - 1.25 x 25MM Hex.)
43 339376X1 6 Washer (M10 Lock)

8. 1020 TRACTOR (HYDRO. TRANSMISSION)
24
26
27
28
32
25
31
30
15
21
21 10
10
3
4
4
19
19 8
8
20
20
22 6
6
1
2
37
37
41
41
50
50
18
17 49
49
39
14
51 40
16
44
43 43
45
45
48
36
23
29
46
42
38
Ref 9 Page 9

9. Massey Ferguson
1020 TRACTOR (HYDRO. TRANSMISSION) 651576
CYLINDER HEAD Page9
Item Part Number Qty Description
1 3435114M91 1 Head Assembly
2 3435117M1 3 Insert, Chamber
3 3280312M1 6 Plug (20MM Dia. Cup Type)
4 3280121M1 2 Plug (40MM Dia.)
5 3283891M1 1 Plug (1/8" P.T.)
6 3283950M1 4 Stud (M8 - 1.5 x 65MM)
8 3435118M1 2 Stud, Cylinder Head
9 3283952M1 2 Stud (M8 x 1.25 x M10 x 1.25 x 95MM)
10 3280674M1 2 Plug (16MM Dia.)
14 3435113M1 1 Gasket, Head
15 3283938M1 8 Bolt (M12 - 1.5 x 88MM Lg.)
16 3283939M1 3 Bolt (M10 - 1.25 x 85MM Lg.)
17 3435109M1 3 Valve, Intake
18 3435110M1 3 Valve, Exhaust
19 3435111M1 6 Spring (Outer)
20 3435112M1 6 Spring (Inner)
21 3283935M1 6 Retainer, Valve Spring
22 3283936M1 6 Seal, Valve Stem
23 3435119M91 1 Cover Assembly
24 3283943M1 1 Cap, Oil Filler
25 3280071M1 1 Gasket, Cylinder Head Cover
26 3283940M1 1 Hose, Breather
27 3283941M1 1 Clamp Breather Hose
28 3280072M1 2 Washer
29 3005908X1 2 Nut (M8 - 1.25 Acorn)
30 3280023M1 12 Lock, Valve Spring
31 3284128M1 3 Glow Plug, Engine
32 3284129M1 2 Plate, Plug Connecting
3283527M91 1 Rocker Assembly Valve
36 3283529M91 1 Shaft Assembly, Rocker Arm
3283530M91 6 Arm Assembly, Rocker
37 3283536M1 1 Arm, Rocker
38 3283537M1 1 Screw, Rocker Arm Adjusting
39 1440203X1 1 Nut (M8 - 1.25 Hex.)
3283531M91 1 Bracket Assembly, Support (Rear)
40 3283539M1 1 Bracket, Support (Rear)
41 3283540M1 1 Bolt, Bracket (Lock)
42 3283538M1 1 Gasket, Bolt
43 3283532M1 2 Bracket, Suppport (Front)
44 3283533M1 2 Spring, Rockershaft
45 1441970X1 4 Ring, Ext. Snap (19MM Nom. x 1.2MM Thk.)
46 3435150M1 6 Rod, Push
47 1441409X1 2 Nut (M10-1.25 Hex.)
48 3280145M1 6 Lifter, Valve
49 390734X1 2 Washer (10.5 x 21 x 2MM Flat)
50 339376X1 2 Washer (M10 Lock)
51 3437309M1 1 Bolt (M10 - 1.25 x 60MM Hex. Hd.)

10. 1020 TRACTOR (HYDRO. TRANSMISSION)
34
11
24 17
15
13
12
3
23
16
10
10
10
1
27 20
20
20
21
21 14 19
19
19
2
6
25
7
30
22
8
9
4
31
28
26
33
32
29
5 18
Ref 10 Page 10

11. Massey Ferguson
1020 TRACTOR (HYDRO. TRANSMISSION) 651576
LUBRICATING SYSTEM Page10
Item Part Number Qty Description
3284123M91 1 Kit, Oil Pump
1 3283924M1 1 Bolt W/Flat (M7 - 1.0 x 20MM)
2 3283925M1 1 Bolt W/Flat (M6 - 1.0 x 35MM)
3 3283926M1 1 Gasket, Oil Pump (0.1MM)
4 3283927M91 1 Cover Assembly, Oil Pump
5 3283894M1 1 Cover, Oil Pump
6 3283892M1 1 Valve, Relief
7 3283893M1 1 Spring, Relief Valve
8 3280194M1 1 "O" Ring, Oil Control Housing
9 3280193M1 1 Bolt (M14 - 1.5 x 12MM Hex.)
10 3283891M1 2 Plug (1/8" P.T.)
11 3283928M91 1 Pump Assembly, Oil
12 1 Body, Oil Pump (Order 3605202M91)
13 1 Shaft, Pump (Order 3605202M91)
14 1 Rotor Set (Order 3605202M91)
15 3283929M1 1 Gear, Oil Pump Driven
16 3280184M1 1 Pin, Rotor (Dowel)
17 3283930M1 1 Pin, Rotor (Dowel)
18 339291X1 2 Bolt (M8 - 1.25 x 55MM Hex.)
19 3284119M1 1 Bolt (M8 - 1.25 x 70MM Hex. Hd.)
20 390972X1 AR Washer (8.4 x 17 x 1.6MM Flat)
21 353446X1 AR Washer (5/16" Lock)
22 3435171M1 1 Oil Filter
23 3284120M1 1 Switch, Oil Pressure
24 3284121M1 1 Gasket, Oil Pump
25 1440203X1 1 Nut (M8 - 1.25 Hex.)
26 3437340M1 1 Bracket, Oil Screen
3437332M91 1 Screen Assembly, Oil (Part Number For Reference Only, Order Components)
27 3437333M1 1 Pipe, Oil Screen
28 3437334M1 1 Nut (M18 - 1.5MM Hex., Special)
3437335M91 1 Chamber Assembly, Oil Screen (Part Number For Reference Only, Order Components)
29 3437404M1 2 Screw W/Lock (M5 0 0.8 x 14MM Pad Hd. Machine)
30 3437336M1 1 Chamber, Oil Screen
31 3437337M91 1 Screen Assembly, Oil Chamber
32 1441409X1 1 Nut (M10-1.25 Hex.)
33 339376X1 1 Washer (M10 Lock)
34 3284034M1 1 Bolt (M8 - 1.25 x 12MM Hex. Hd.)

12. 1020 TRACTOR (HYDRO. TRANSMISSION)
18
2
1
4
3
5
8 6
7
22
23
23
25
19
24
21
20
26
28
Ref 13 Page 13

13. Massey Ferguson
1020 TRACTOR (HYDRO. TRANSMISSION) 651576
GASKET KITS Page13
Item Part Number Qty Description
3435603M91 1 Gasket Kit, Upper Overhaul
1 3435113M1 1 Gasket, Head
2 3284113M1 1 Gasket, Water Inlet
3 3283959M1 1 Gasket, Muffler
4 3435122M1 1 Gasket, Intake Manifold
5 3435125M1 3 Gasket, Exhaust Manifold
6 3280025M1 3 Gasket, Fuel Injector
7 3280071M1 1 Gasket, Cylinder Head Cover
8 3284112M1 1 Gasket, Water Outlet
3284625M91 1 Gasket Kit, Lower Overhaul
18 3284012M1 1 Gasket, Oil Seal Cover
19 3283873M1 1 Gasket, Front Plate
20 3283874M1 1 Gasket, Gear Case
21 3283491M1 1 Gasket, Oil Pan
22 3280105M1 1 Gasket, Drain Plug
23 3284121M1 1 Gasket, Oil Pump
24 3284084M1 1 Gasket, Water Pump
25 3284082M1 1 Gasket, Water Pump Cover
26 3283987M1 1 Gasket, Cover
27 3280194M1 1 "O" Ring, Oil Control Housing
28 3283875M1 1 Gasket, Bearing Housing

14. 1020 TRACTOR (HYDRO. TRANSMISSION)
15
13 14
16
7
7
18
3 17
38
2
10
10
11
9
5
6
37
4
23
27
32
31 26
26 26
29
30
33
34
35
36
8
28
12
Ref 14 Page 14

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16. Massey Ferguson
1020 TRACTOR (HYDRO. TRANSMISSION) 651576
RADIATOR Page14
Item Part Number Qty Description
2 3437960M1 1 Radiator
3 3280783M1 1 Cap, Radiator
4 3435612M1 1 Hose, Radiator Overflow
5 3435166M1 1 Shroud
6 3437959M91 1 Screen Assembly
7 364125X1 3 Clamp, Hose
8 3435160M1 1 Hose
9 3435757M1 1 Hose, Radiator "Upper"
10 832713M1 1 Clamp, Hose (Type F)
11 3435167M1 1 Pad, Radiator (Upper)
12 3438299M1 1 Seal, Left
13 3438298M1 1 Seal, Right
14 3437959M91 1 Screen Assembly
15 3437393M1 1 Seal, Air Pipe Guide
16 1440711X1 4 Bolt (M8 - 1.25 x 16MM Hex., Hd)
17 353446X1 4 Washer (5/16" Lock)
18 390972X1 4 Washer (8.4 x 17 x 1.6MM Flat)
23 3435294M1 2 Seal
26 3284093M1 4 Clamp, Drain Hose
27 3436681M1 1 (A) Hose, Drain to Block (11")
3435764M1 1 (B) Hose, Drain to Block (12-19/32")
28 3284091M1 1 Hose, Block Drain
29 3284023M1 1 Guard, Hose Protector
30 3284102M1 1 Valve, Drain
31 3284097M1 1 Plug, Water Drain
32 3284098M1 1 "O" Ring, Drain Plug
33 391931X1 1 Bolt (M8 - 1.25 x 25MM Hex.)
34 3280543M1 1 Washer, External Tooth Lock
35 353446X1 1 Washer (5/16" Lock)
36 1440203X1 1 Nut (M8 - 1.25 Hex.)
37 3438191M1 1 Seal, Lower Radiator
38 3436679M1 1 Pad
****************************************
(A) - Used 2WD Tractor Serial Number
02314 And Up.
- Used 4WD Tractor Serial Number 41685
And Up.
(B) - Used Prior To 2WD Tractor Serial
Number 02314.
- Used Prior To 4WD Tractor Serial
Number 41685.

17. 1020 TRACTOR (HYDRO. TRANSMISSION)
26
2
3
1
4
13
13
5
14
7
10
27
9
28
12
31
6
30
8
11
23
21
29
38
38
37
37
37
22
32
41
24
45
45
20
46
43 40 25
39
35
36
44
42
Ref 17 Page 17

18. Massey Ferguson
1020 TRACTOR (HYDRO. TRANSMISSION) 651576
WATER PUMP AND OUTLET Page17
Item Part Number Qty Description
1 3284864M1 1 Flange, Water Outlet
2 1440203X1 3 Nut (M8 - 1.25 Hex.)
3 353446X1 5 Washer (5/16" Lock)
4 3284112M1 1 Gasket, Water Outlet
5 3280574M1 1 Thermostat, Water Temperature
6 3284115M91 1 Housing Assembly, Thermostat
7 3284865M1 2 Stud (M8 - 1.5 x 38MM)
8 339123X1 2 Bolt (M8 - 1.25 x 20MM Hex.)
9 339011X1 1 Bolt (M8 - 1.25 x 45MM Hex.)
10 353446X1 3 Washer (5/16" Lock)
11 3284131M1 1 Switch, Water Temperature
12 3284113M1 1 Gasket, Water Inlet
13 3280171M1 2 Clamp, Hose
14 3284114M1 1 Hose, Water By-Pass
3284086M91 1 Pump Assembly, Water
20 1 Body (Order 3284086M91)
21 1 Fitting (Order 3284086M91)
22 3281281M1 1 Impeller, Water Pump
23 3281282M91 1 Seal Assembly, Pump
24 3281283M91 1 Shaft Assembly, Pump
25 3281284M1 1 Hub, Water Pump
26 3284084M1 1 Gasket, Water Pump
27 3284079M1 1 Cover, Water Pump
28 3284082M1 1 Gasket, Water Pump Cover
29 339262X1 2 (A) Bolt (M6 - 1.0 x 30MM Hex.)
30 353441X1 2 Washer (1/4" Lock)
31 339030X1 2 Nut (M6 - 1.0 Hex.)
32 1440712X1 1 Bolt (M8 - 1.25 x 40MM Hex.)
35 3284083M1 1 Strap, Adjusting
36 339168X1 1 Bolt (M8 - 1.25 x 50MM Hex.)
37 353446X1 3 Washer (5/16" Lock)
38 390972X1 2 Washer (8.4 x 17 x 1.6MM Flat)
39 1440203X1 1 Nut (M8 - 1.25 Hex.)
40 3437957M1 1 Spacer
41 3284080M1 1 Pulley, Water Pump
42 3281495M1 1 Belt, Fan (37")
43 3437409M1 1 Fan
44 3437955M1 4 Bolt
45 353441X1 10 Washer (1/4" Lock)
46 339351X1 4 Bolt (M6 - 1.0 x 25MM Hex.)
****************************************
(A) - Order 1440712X1 Bolt, (1) 390972X1
Flatwasher And (1) 353446X1 Lockwasher.