Massey Ferguson MF 135 Service Reference
Engine Overhaul Reference
Cylinder head torque, valve clearances, injection timing, and complete engine specifications from the factory manual.
Torque Specifications
| Location | Torque | Notes |
|---|---|---|
| Cylinder Head Nuts | 55–60 ft-lbs | Retorque with engine at operating temperature |
Valve Clearance
| Engine | Condition | Intake | Exhaust |
|---|---|---|---|
| Gasoline | hot | 0.012" | 0.015" |
| Diesel | hot | 0.012" | 0.015" |
Service Intervals
50-Hour / Break-In (First 50 Hours Only)
- Engine Crankcase Oil and Filter: Drain break-in oil, change filter, refill with fresh oil
- Transmission / Differential / Hydraulic System: Drain break-in oil and refill(MF M-1129A only)
- Cylinder Head Nuts: Retorque with engine at operating temperature(55–60 ft-lbs)
- Valve Tappet Clearance: Adjust immediately after head retorque(Intake 0.012" / Exhaust 0.015" (hot))
500-Hour
- Valve Tappet Clearance: Adjust per specifications(Intake 0.012" / Exhaust 0.015" (hot))
Engine Specifications
| Spec | Gasoline | Diesel |
|---|---|---|
| Engine Model | Perkins AG3.152 | Perkins AD3.152 |
| Cylinders | 3 | 3 |
| Displacement | 152.7 cu. in. | 152.7 cu. in. |
| Compression | 7.5:1 | 18.5:1 |
| Firing Order | 1-2-3 | 1-2-3 |
| Idle Speed | 750 ± 25 rpm | 725–775 rpm |
| Max Speed | 2225–2275 rpm (no load) | 2135–2185 rpm (no load) |
| Oil Pressure | 40–55 psi at 2000 rpm | 40–55 psi at 2000 rpm |
| Injection Pump | — | CAV distributor type |
| Injection Timing | — | 24° BTDC |
| Valve Clearance (Hot) | intake 0.012 inch / exhaust 0.015 inch | 0.010 inch (intake & exhaust) |
| Valve Clearance (Cold) | — | 0.012 inch (intake & exhaust) |
Parts in this Assembly (53)
964085M1
Engine
964088M1
Engine
964089M1
Engine
962180M1
Bearer
963418M1
Bulb
969606M2
Bulb
963929M1
Blade Fan
963930M1
Blade Fan
825181M91
1 cross-refFan
962184M1
3 cross-refsBelt
353680X1
Screw Unc
355565X1
Nut Unc
960028M1
Pulley
962181M1
Lever
960961M1
Dynamo
960022M1
3 cross-refsDynamo
897104M92
3 cross-refsDynamo
964384M1
Dynamo
968856M1
2 cross-refsStartermotor
968296M1
2 cross-refsStartermotor
887057M1
2 cross-refsStartermotor
897336M1
Startermotor
964382M1
1 cross-refStartermotor
892639M92
Protector
354074X1
Pin
738471M91
Flywheel
731008X1
Starter Ring
828123M1
2 cross-refsBearing Assy
739902M1
Plug
361773X1
Screw
969112M1
Cable
733633M1
Plate
839501M1
Heater
353434X1
Lock Washer
353521X1
Bolt Unf
1650484M1
Washer
353522X1
Bolt Unf
353755X1
Washer
897057M1
Washer
361444X1
Screw
731006M1
Washer
376721X1
Washer
358005X1
Screw
731192X1
Locknut
375763X1
Screw
353338X1
Bolt
731344M1
Dowel
363625X1
Nut
353690X1
Screw Unc
353756X1
Washer
353916X1
Nut Unf
362501X1
Screw
1650486M1
Washer