Overview
The Massey Ferguson MF 445, 460, 465 and 475 Tractor Workshop Service Repair Manual provides technical information for maintaining, troubleshooting and repairing these Massey Ferguson MF 400 Series agricultural tractors. The documentation covers Perkins A3.152, A4.236, P4000 and 1000 Series engines, dual-stage and split-torque clutches, mechanical gearboxes, rear axle assemblies, power take-off systems, Ferguson hydraulic lifting equipment, electrical systems and auxiliary hydraulics. Separate front axle chapters address two-wheel-drive configurations, Carraro 20.14, 20.18 and 20.21 four-wheel-drive axles, and ZF/APL 335, 345 and 350 assemblies.
Technical coverage includes diesel injection timing, cylinder compression testing, clutch overhaul and adjustment, gearbox shaft servicing, differential bearing preload, final drive repairs, hydraulic pump inspection and independent PTO clutch servicing. Additional workshop information covers Ferguson draft and position control, hydrostatic steering pressure testing, Danfoss steering unit repairs, auxiliary hydraulic components, Prestolite alternator and starter motor testing, electrical wiring diagrams and model-specific hydraulic equipment.
Notice: This shared MF 400 Series workshop documentation contains different engine, front axle, clutch and transmission configurations. Certain hydraulic sections specifically identify the MF 460–475 models, while the Danfoss priority valve and hydraulic heat exchanger references identify the MF 465 and MF 475. Select the applicable procedures according to the tractor model and installed components. The 8×2 synchromesh gearbox chapter is reserved in the original chapter list.
Table of Contents
Massey Ferguson MF 445, 460, 465, 475 Manual
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01. Introduction, Workshop Safety and Technical References
- Workshop Manual Introduction
- Using the Workshop Service Manual
- Recording Manual Changes and Updates
- General Workshop Safety
- Correct Workshop Repair Techniques
- Basic Measurement Procedures
- Workshop Measuring Instruments
- Measurement Examples and General Principles
- Recommended Bolt Tightening Torques
- Technical Measurement Units
- Measurement Conversion Tables
- Imperial and SI Unit Equivalents
- Technical Unit Prefixes
- Loctite Products for Workshop Applications
- AGCO Environmental Policy
- Battery Recycling Requirements
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02. Splitting the Tractor and Major Assembly Separation
- Tractor Splitting Introduction
- Separating the Engine from the Front Axle
- Reassembling the Engine and Front Axle
- Separating the Engine from the Gearbox
- Engine and Gearbox Reassembly
- Separating the Gearbox from the Rear Axle
- Gearbox and Rear Axle Reassembly
- Roll-Over Protective Structure (ROPS) Removal
- Operator Canopy Removal
- Tractor Fender Assembly Removal
- Front Hood and Sheet Metal Removal
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03. Two-Wheel-Drive Front Axle (2WD)
- Two-Wheel-Drive Front Axle Introduction
- Front Wheel Alignment
- Front Wheel Camber
- Steering Sleeve Inclination
- Front Wheel Caster
- Front Wheel Toe-In Adjustment
- Front Wheel Hub Assemblies
- Front Wheel Hub Disassembly
- Front Wheel Hub Component Inspection
- Front Wheel Hub Reassembly
- Wheel Hub Bearing Preload Adjustment
- Front Axle Outer Arm and Spindle Shaft
- Spindle Shaft Clearance Adjustment
- Spindle Shaft Bushing Replacement
- Front Axle Central Beam
- Central Beam Radial and Axial Clearance Inspection
- Steering System Bushing Replacement – Except MF 415
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04. Carraro Four-Wheel-Drive Front Axles – 20.14, 20.18 and 20.21
- Carraro Four-Wheel-Drive Front Axle Introduction
- Carraro Front Axle Technical Specifications
- Front Axle Final Drive
- Final Drive Component Identification
- Final Drive Disassembly
- Final Drive Reassembly and Adjustment
- Final Drive Pivot Assembly
- Final Drive Pivot Disassembly
- Final Drive Pivot Reassembly
- Front Half-Shaft Spider Assemblies
- Half-Shaft Spider Disassembly
- Half-Shaft Spider Reassembly
- Front Axle Trumpet Bushings and Retainers
- Pivot Bushing and Retainer Removal
- Bushing and Retainer Component Inspection
- Bushing and Retainer Reassembly
- Front Differential and Drive Pinion Assembly
- Differential Component Identification
- Carraro Front Axle Removal
- Front Differential Removal and Disassembly
- Drive Pinion Disassembly
- Differential and Pinion Component Inspection
- Drive Pinion Reassembly and Adjustment
- Front Differential Reassembly
- Final Differential and Pinion Adjustments
- Front Drive Box and Bearing Housing
- Drive Box Component Identification
- Drive Box Disassembly
- Drive Box Component Inspection
- Drive Box Reassembly and Adjustment
- Front Bearing Housing and Step-Up Gearbox Bearing Removal
- Hydraulic Steering Cylinder
- Steering Cylinder Disassembly
- Steering Cylinder Component Inspection
- Steering Cylinder Reassembly
- Carraro Front Axle Tightening Torques
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05. ZF/APL Four-Wheel-Drive Front Axles – APL 335, 345 and 350
- ZF Four-Wheel-Drive Front Axle Introduction
- ZF/APL Front Axle Technical Specifications
- Front Axle Final Drives
- Final Drive Component Identification
- Final Drive Disassembly
- Front Half-Shaft Spider Assemblies
- Final Drive Component Inspection
- Final Drive Reassembly and Adjustment
- Front Differential, Drive Pinion and Axle Trumpets
- Differential Component Identification
- ZF Front Axle Removal
- Front Differential Removal and Disassembly
- Differential Component Inspection
- Front Differential Reassembly and Adjustment
- Drive Pinion Disassembly and Inspection
- Differential Bearing Preload Adjustment
- Drive Pinion Positioning
- Pinion Bearing Preload Adjustment
- Crownwheel and Pinion Backlash Adjustment
- Ring Gear and Pinion Tooth Contact Inspection
- Secondary Drive Box, Brackets and Bearings
- Drive Box Bracket and Bearing Disassembly
- Drive Box Bearing Reassembly and Adjustment
- Secondary Drive Box Disassembly
- Secondary Drive Box Reassembly
- Mechanical Side Drive Box
- Mechanical Drive Box Operating Principles
- Mechanical Side Drive Box Disassembly
- Mechanical Side Drive Box Reassembly
- Spacer and Central Four-Wheel-Drive Box
- Central Drive Box Component Identification
- Central Drive Box Servicing
- Transfer Gearbox Component Identification
- Transfer Gearbox Servicing
- Front Hydraulic Steering Cylinder
- Steering Cylinder Removal and Disassembly
- Steering Cylinder Component Inspection
- Steering Cylinder Reassembly and Adjustment
- ZF/APL 335 Axle Adjustment Specifications
- ZF/APL 345 and 350 Axle Adjustment Specifications
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06. Perkins Diesel Engines – A3.152, A4.236, P4000 and 1000 Series
- Perkins Diesel Engine Service Information
- Engine Valve Tip Clearance Adjustment
- Diesel Fuel Injection Nozzle Inspection
- Fuel Injector Atomisation and Pressure Testing
- Fuel Injector Sealing Test
- Fuel Injector Atomisation and Noise Test
- Diesel Fuel Injection Point Adjustment
- Engine Cylinder Compression Testing
- Perkins A3.152 Engine Specifications
- Perkins A4.236 Engine Specifications
- Perkins P4000 Engine Specifications
- Perkins 1000 Series Engine Specifications
- Engine Cylinder Head Assembly
- Cylinder Block Assembly
- Engine Timing Gear and Distribution Housing
- Engine Pistons, Piston Rings and Connecting Rods
- Engine Crankshaft Assembly
- Engine Oil Sump and Lubrication System
- Engine Cooling System
- Diesel Fuel System
- Engine Turbocharger
- Engine Component Tightening Torques
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07. Clutch Assemblies and Flywheel
- Clutch Types Used on MF 400 Series Tractors
- Clutch and Flywheel Applications
- General Clutch Service Recommendations
- Common Causes of Clutch Overheating
- Precautions During Clutch Removal and Installation
- Dual-Stage Clutch Component Identification
- Split-Torque Clutch Component Identification
- Clutch Removal from Tractor
- Dual-Stage and Split-Torque Clutch Disassembly
- Clutch Component Inspection
- Clutch Pressure Plate Machining
- Intermediate Flywheel Machining
- Heavy-Duty Split-Torque Clutch
- Heavy-Duty Single Clutch with Cerametallic Disc
- Dual-Stage and Split-Torque Clutch Reassembly
- Engine Flywheel Servicing
- Flywheel Machining
- Flywheel Ring Gear
- Flywheel Reinstallation
- Flywheel Alignment
- Clutch Reinstallation and Final Adjustment
- Clutch Release Lever Adjustment
- Clutch Pedal Height Adjustment
- Second-Stage Clutch Engagement Inspection and Adjustment
- Clutch System Troubleshooting
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08. 8×2 Sliding-Gear Transmission
- 8×2 Sliding-Gear Transmission Introduction
- Gearbox Component Identification
- 8×2 Transmission Power Flow Diagrams
- Gear Shift Lever Cover and Gear Shift Levers
- Gear Shift Lever Disassembly and Inspection
- Gear Shift Lever Reassembly
- Transmission Shafts, Selector Rails and Forks
- Selector Rail and Fork Disassembly
- Selector Rail and Fork Inspection
- Selector Rail and Fork Reassembly
- Slow and Fast Transmission Range Assembly
- Range Assembly Removal and Disassembly
- Range Assembly Reassembly
- Clutch Release Mechanism
- Clutch Release Mechanism Disassembly and Inspection
- Clutch Release Mechanism Reassembly
- Brake Pedal Cross-Shaft
- Brake Pedal Cross-Shaft Disassembly and Inspection
- Brake Pedal Cross-Shaft Reassembly
- Gearbox Internal Assembly Disassembly
- Transmission Input Shafts and Front Flange
- PTO Output Shaft
- Transmission Mainshaft
- Lower Transmission Layshaft
- Reverse Gear Assembly
- Gearbox Internal Assembly Reassembly
- Reverse Gear Reassembly
- Layshaft Reassembly
- Mainshaft Reassembly
- Transmission Input Shaft and PTO Shaft Installation
- Creeper Gear Reference
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09. 8×2 Synchromesh Transmission – Reserved Section
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10. 12×4 Constant-Mesh Transmission – Eaton Gearbox
- Eaton 12×4 Transmission Introduction
- Gearbox Component Identification
- Eaton 12×4 Transmission Power Flow
- Transmission Gear Diagrams
- Gearbox Removal from Tractor
- Gearbox Mounting on Workshop Service Support
- Footstep Tractor Gear Selector System
- Footstep Tractor Gear Shift Levers and Cover
- Gear Selector Shafts and Forks
- Cab Tractor Gear Selector System
- Cab Tractor Side-Shift Mechanism
- Cab Tractor Gear Shift Levers
- Shift Lever Shafts and Forks
- Transmission Clutch Release Mechanism
- Clutch Mechanism Component Identification
- Clutch Mechanism Removal and Disassembly
- Clutch Mechanism Reassembly
- Slow and Fast Speed Range Assembly
- Speed Range Assembly Removal and Disassembly
- Speed Range Assembly Reassembly
- Front Retainer Flange and Transmission Input Shafts
- Input Shaft Removal and Disassembly
- Front Flange Reassembly
- High and Low Range Axial Clearance Adjustment
- Transmission Mainshaft
- Mainshaft Removal and Disassembly
- Mainshaft Reassembly and Adjustment
- PTO Output Shaft and Lower Layshaft
- PTO Output Shaft Removal and Disassembly
- Layshaft Removal and Reassembly
- Lower High/Low Range Axial Clearance Adjustment
- PTO Output Shaft Reassembly
- Reverse Gear Assembly
- Reverse Gear Removal and Disassembly
- Reverse Gear Reassembly
- Transmission Component Inspection
- Transmission Failure Diagnosis
- Gearbox Bushings, Sleeves and Coupling Sets
- Creeper Gear Maintenance
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11. 12×4 Partial Synchromesh Transmission – Eaton Gearbox
- Eaton 12×4 Partial Synchromesh Gearbox Introduction
- Gear Shift Component Identification
- Eaton 12×4 Transmission Power Flow
- Transmission Gear Diagrams
- Gearbox Removal and Service Support
- Transmission Clutch Mechanism
- Clutch Mechanism Component Identification
- Clutch Mechanism Removal and Disassembly
- Clutch Mechanism Reassembly
- Gear Selector Shafts and Forks
- Footstep Tractor Gear Selector Arrangement
- Cab Tractor Side Gear Selector Arrangement
- Fast and Slow Speed Range Assembly
- Speed Range Assembly Removal and Disassembly
- Speed Range Assembly Reassembly
- Front Transmission Flange and Input Shafts
- Front Flange Removal and Disassembly
- Front Flange Reassembly
- High/Low Range Upper Assembly Axial Clearance
- Transmission Mainshaft
- Mainshaft Removal and Disassembly
- Mainshaft Reassembly and Adjustment
- PTO Output Shaft and Lower Layshaft
- PTO Output Shaft Removal and Disassembly
- Layshaft Removal
- Layshaft Reassembly
- High/Low Range Lower Assembly Axial Clearance
- PTO Output Shaft Reassembly
- Reverse Gear Assembly
- Reverse Gear Removal and Disassembly
- Reverse Gear Reassembly
- Transmission Synchromesh Sets
- Synchromesh Component Identification
- Synchromesh Set Reassembly
- Selector Fork Centralisation
- Coupling Ring and Hub Alignment
- Transmission Component Inspection and Fault Diagnosis
- Gearbox Bushing and Sleeve Recommendations
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12. Rear Axle, Differential and Brakes
- Rear Axle General Description and Operation
- Rear Axle Final Drives
- Final Drive Component Identification
- Final Drive Removal
- Final Drive Disassembly
- Final Drive Component Inspection and Replacement
- Final Drive Reassembly
- Final Drive Bearing Preload Adjustment
- Rear Axle Trumpet Housings
- Rear Axle Trumpet Removal
- Rear Axle Trumpet Reinstallation
- Rear Brake System
- Brake Pedal Free-Travel Inspection and Adjustment
- Rear Brake Discs
- Brake Actuating Rod Protective Boot Replacement
- Rear Brake Reassembly
- Rear Differential
- Differential Lock Mechanism
- Differential Satellite Gear Housing and Ring Gear
- Rear Drive Pinion
- Pinion Component Identification
- Drive Pinion Removal
- Pinion Assembly Disassembly
- Drive Pinion Component Inspection
- Pinion Assembly Reassembly
- Pinion Bearing Preload Adjustment
- Ring Gear and Pinion Assembly Adjustment
- Differential Bearing Preload Adjustment
- Ring Gear and Pinion Backlash Adjustment
- Ring Gear and Pinion Tooth Contact Inspection
- Rear Axle General Technical Specifications
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13. Ferguson Hydraulic Lifting System
- Ferguson Hydraulic System Introduction
- Hydraulic System Component Identification
- Ferguson Hydraulic System Operating Principles
- Hydraulic Pump Check Valve Positions
- Ferguson Draft Control System
- Ferguson Position Control System
- Hydraulic System Flow Diagram
- Ferguson Hydraulic Pump
- Hydraulic Pump Removal and Disassembly
- Hydraulic Pump Component Inspection
- Hydraulic Pump Valve Seat Grinding
- FT5004 Hydraulic Pump Milling Tool Kit
- Ferguson Hydraulic Pump Reassembly
- Hydraulic Pump Reinstallation and Adjustment
- Hydraulic Lift Cover Assembly
- Hydraulic Lift Cover Removal
- Hydraulic Lift Cover Disassembly
- Hydraulic Lift Cover Component Inspection
- Hydraulic Lift Cover Reassembly
- Hydraulic Lift Cover Internal Adjustments
- Hydraulic Lift Cover Reinstallation
- Hydraulic Lift Cover Final Adjustments
- Outer Hydraulic Cylinders – MF 460 to 475
- Outer Hydraulic Cylinder Component Identification
- Outer Hydraulic Cylinder Inspection and Reassembly
- Ferguson Hydraulic System Final Assembly
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14. Power Take-Off – PTO and Independent PTO (IPTO)
- Power Take-Off System Introduction
- Independent Power Take-Off Power Flow
- Engine Speed and PTO Output Shaft Rotation
- PTO and IPTO Maximum Power References
- Independent PTO Assembly Removal
- IPTO Side Cover and Control Valves
- Hydraulic Flow Through the IPTO Side Cover
- IPTO Control Valve Component Identification
- IPTO Control Valve Removal and Disassembly
- IPTO Control Valve Component Inspection
- IPTO Control Valve Reassembly
- Independent PTO Hydraulic Pressure Testing
- PTO Pressure-Maintaining Valve
- Independent PTO Clutch Disc Pack
- Clutch Disc Pack Component Identification
- Clutch Disc Pack Disassembly
- Clutch Disc Pack Inspection
- Clutch Disc Pack Reassembly
- Independent PTO Drive Pump
- IPTO Drive Pump Component Inspection
- IPTO Drive Pump Reassembly
- Dual-Speed PTO and IPTO – 540/1000 RPM
- Dual-Speed PTO Power Flow
- PTO Output Shaft Speed Conversion Procedure
- PTO Speed Selector Gear Train Maintenance
- Independent PTO Reinstallation
- Mechanical Power Take-Off System
- Mechanical PTO General Diagram
- Live PTO Engagement Mechanism
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15. Electrical System and Wiring Diagrams
- Electrical System General Specifications
- Electrical Circuits for Footstep Tractors
- Electrical Circuits for Cab Tractors
- Electrical Fuse, Relay and Diode Board
- Footstep Tractor Electrical Fuse and Relay Arrangement
- Cab Tractor Electrical Fuse and Relay Arrangement
- Prestolite Alternator
- Prestolite Alternator Disassembly
- Prestolite Alternator Reassembly
- Prestolite Alternator Testing
- Prestolite Starter Motor
- Starter Motor Disassembly
- Starter Motor Component Cleaning and Inspection
- Starter Motor Reassembly
- Starter Motor Testing
- Instrument Panel
- Electrical Relays
- Fuel Level Sender
- Engine Temperature Sensor
- Fuel Injection Pump Solenoid
- Tractor Battery System
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16. Auxiliary Hydraulic System and Hydrostatic Steering
- Auxiliary Hydraulic System Introduction
- Auxiliary Hydraulic Circuit Diagrams
- Hydraulic System Pressure Testing
- Hydrostatic Steering Pressure Test
- Auxiliary Hydraulic Control Valve Pressure Test
- Danfoss Hydrostatic Steering Unit
- Hydraulic Oil Flow Through the Danfoss Unit
- Danfoss Steering Unit Hydraulic Circuits
- Danfoss Steering Unit Component Identification
- Danfoss Steering Unit Hydraulic Connections
- Danfoss Steering Unit Overhaul Recommendations
- Danfoss Steering Unit Disassembly
- Danfoss Steering Unit Component Inspection
- Danfoss Steering Unit Reassembly
- Auxiliary Hydraulic Control Valve
- Auxiliary Control Valve Component Identification
- Auxiliary Control Valve Hydraulic Circuit
- Auxiliary Hydraulic Pump Assemblies
- Hydraulic Pump Component Identification
- Auxiliary Hydraulic Pump Removal and Disassembly
- Hydraulic Pump Component Inspection
- Auxiliary Hydraulic Pump Troubleshooting
- Auxiliary Hydraulic Pump Reassembly
- Hydraulic Oil Filtering
- Danfoss Priority Valve – MF 465 and 475
- Hydraulic Heat Exchanger – MF 465 and 475
MF 460–475 Hydraulic Equipment and Component Applicability
The Massey Ferguson MF 400 Series workshop documentation includes hydraulic lifting equipment specifically identified for the MF 460, 465 and 475 tractors. The Ferguson lift chapter provides separate references for external hydraulic cylinders, including component identification, assembly, inspection and reassembly. The auxiliary hydraulic section also identifies a Danfoss priority valve and hydraulic heat exchanger for the MF 465 and MF 475 models.
The manual additionally distinguishes different front axle manufacturers, gearbox types and clutch arrangements. The Carraro and ZF/APL axle chapters provide their own differential, final drive and bearing adjustment procedures, while the mechanical transmission sections separate 8×2 sliding-gear, 12×4 constant-mesh and 12×4 partial synchromesh arrangements. Confirm the fitted assemblies before selecting the corresponding overhaul or adjustment instructions.
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