Overview
The Massey Ferguson 6235, 6245, 6255 and 6260 Tractor Workshop Service Repair Manual provides detailed technical information for servicing, maintaining, troubleshooting and repairing these Massey Ferguson agricultural tractors. Workshop documentation covers tractor specifications, major assembly separation, engine components, clutch systems, mechanical and Power Shuttle transmissions, rear axle assemblies, power take-off equipment, front axles, hydraulic systems, electrical equipment and electronic controls.
Technical coverage includes Speedshift and Dynashift gearbox repairs, spring-loaded and pressure-loaded clutch servicing, Power Shuttle adjustments, differential and rear brake maintenance, two-speed and four-speed PTO systems, Dana and Carraro front axle repairs, and hydraulic pump and valve servicing. Additional workshop references include Autotronic 2 and Autotronic 3 electronic systems, Datatronic 2, electronic linkage controls, Wintest diagnostic procedures, electrical wiring diagrams, hydraulic pressure testing and special service tools.
Important Information: The workshop documentation contains several transmission, clutch, front axle and hydraulic configurations, including Normal Duty and Heavy Duty gearboxes, Speedshift, Dynashift, Power Shuttle, and Dana or Carraro axle arrangements. Not every configuration applies to each listed tractor. Confirm the model, serial number and installed components before following the applicable repair instructions.
Table of Contents
Massey Ferguson 6235, 6245, 6255, 6260 Tractor Workshop Manual
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01. Introduction and Specifications
- 1A01 – Introduction
- Using the Workshop Manual
- Tractor Technical Specifications
- Chassis Dimensions and Mounting Points
- Safety Precautions
- Practical Workshop Advice
- Installation Instructions
- Conversion Tables
- Locking Compounds and Sealants
- Tightening Torques
-
02. Splitting the Tractor
- 2A01 – Engine and Gearbox Splitting
- 2B01 – Separation Between Gearbox and Rear Axle
- 2C01 – Separation Between Front Frame and Engine
-
03. Engine
- 3A01 – Engine General Information
- Engine Main Characteristics
- Viscostatic Cooling Fan
- 3B01 – Flywheel and Dampers
- Damper Removal and Refitting
- Flywheel Removal and Refitting
- Starter Ring Gear Replacement
- Sealed Bearing Replacement
- Flywheel and Damper Service Tools
- 3C01 – Spacers – Spring-Loaded Clutch
- Four-Cylinder Engine Spacer
- Six-Cylinder Engine Spacer
- 3C02 – Spacers – Pressure-Loaded Clutch
- Spacer Removal and Installation
- Spacer Seal Replacement
- Pressure-Loaded Clutch Spacer Service Tools
- 3C03 – Spacers – Power Shuttle
- Power Shuttle Spacer Removal and Installation
- Power Shuttle Spacer Seal Replacement
- Power Shuttle Spacer Service Tools
-
04. Clutch
- 4A01 – Spring-Loaded Clutch
- Spring-Loaded Clutch Components
- Clutch Gasket and O-Ring Replacement
- Clutch Housing Removal and Installation
- Clutch Housing Disassembly and Assembly
- Spring-Loaded Clutch Removal and Refitting
- Spring-Loaded Clutch Adjustment
- Speedshift Clutch Version
- Spring-Loaded Clutch Service Tools
- 4B01 – Pressure-Loaded Clutch
- Pressure-Loaded Clutch Components
- Clutch O-Ring Replacement
- Pressure-Loaded Clutch Removal and Installation
- Clutch Disassembly and Reassembly
- Pressure-Loaded Clutch Adjustment
- Speedshift Pressure-Loaded Clutch Version
- Pressure-Loaded Clutch Service Tools
-
05. Gearbox and Transmission Systems
- 5A01 – Gearbox – General Information and Operation
- Gearbox Construction and Description
- Normal Duty and Heavy Duty Gearbox Specifications
- Speedshift and Dynashift Transmission Configurations
- Mechanical Reverse Shuttle and Power Shuttle Configurations
- 5B01 – Input Unit with Power Shuttle
- Input Unit Removal and Installation
- Progressive Sensor Adjustment
- Speedshift Input Unit Version
- 5B02 – Input Unit
- Input Unit Removal and Installation
- 5B03 – Speedshift with Power Shuttle
- Speedshift Operating Principles
- Front Cover Removal and Disassembly
- Planetary Carrier Removal and Disassembly
- Hydraulic Cover Disassembly
- Planetary Carrier Assembly and Refitting
- 5B04 – Speedshift with Mechanical Reverse Shuttle
- Mechanical Reverse Shuttle Speedshift Operation
- Front Cover and Planetary Carrier Servicing
- Hydraulic Cover Removal and Reassembly
- 5B05 – Dynashift Unit with Power Shuttle
- Dynashift Operating Principles
- Front Clutch Housing and Brake Servicing
- Planetary Carrier Removal and Reassembly
- Rear Clutch and Brake Disassembly
- Planetary Carrier Shimming
- Dynashift Input Unit Installation
- 5B06 – Dynashift Unit with Mechanical Reverse Shuttle
- Mechanical Reverse Shuttle Dynashift Operation
- Front and Rear Clutch Servicing
- Planetary Carrier Disassembly and Shimming
- 5B07 – Power Shuttle
- Power Shuttle Front Clutch Removal and Installation
- Front Clutch Disassembly and Reassembly
- Front Clutch Shimming
- Rear Clutch Disassembly and Reassembly
- Drive Pinion and Shaft Adjustment – Speedshift
- Drive Pinion and Shaft Adjustment – Dynashift
- 5B08 – Mechanical Reverse Shuttle
- Reverse Shuttle Disassembly and Reassembly
- Secondary Shaft Shimming
- Speedshift Reverse Shuttle Version
- 5C01 – Selector Cover with Power Shuttle
- Selector Cover Removal and Refitting
- Selector Mechanism Servicing
- Gear Linkage Adjustment
- 5C02 – Selector Cover with Power Shuttle – Alternative Configuration
- Gear Linkage and Shuttle Control Cable Adjustment
- Cab and Platform Control Arrangements
- 5C03 – Selector Cover with Optimised Hare/Tortoise Function
- Hare/Tortoise Range Locking Components
- Selector Mechanism Disassembly and Reassembly
- 5C04 – Optimised Hare/Tortoise Selector Cover – Alternative Configuration
- Gear Linkage and Shuttle Cable Adjustment
- 5D01 – Selector Rails and Forks
- Creeper Gear Selector Fork
- Hare/Tortoise Selector Fork and Mechanical Lock
- First/Second and Third/Fourth Gear Selector Forks
- Mechanical Reverse Shuttle Selector Rail
- 5D02 – Selector Rails and Forks – Optimised Hare/Tortoise Function
- Selector Fork and Mechanical Lock Servicing
- 5E01 – Normal Duty Gearbox Output Shaft
- Output Shaft Disassembly and Shimming
- 5E02 – Heavy Duty Gearbox Output Shaft
- Output Shaft and Selector Fork Servicing
- 5F01 – Normal Duty Gearbox Layshaft
- Layshaft and Pinion Removal
- Tapered Roller Bearing Replacement
- Pinion and Layshaft Shimming
- 5F02 – Heavy Duty Gearbox Layshaft
- Heavy Duty Layshaft and Pinion Servicing
- 5G01 – Normal Duty Gearbox Mainshaft
- Mainshaft Disassembly and Reassembly
- 5G02 – Heavy Duty Gearbox Mainshaft
- Heavy Duty Mainshaft Servicing
- 5H01 – Creeper Gears
- Creeper Gear Unit and Ring Gear Removal
- Planetary Carrier Removal and Assembly
- Creeper Gear Control Mechanism Adjustment
- Creeper Gear Electrical Diagram
-
06. Rear Axle and Braking System
- 6A01 – Rear Axle Description
- 6B01 – Lift Cover
- 6C01 – Trumpet Housings
- 6C02 – Reinforced Trumpet Housings
- 6D01 – Handbrake
- 6E01 – Differential
- 6F01 – Brake Pistons and Seals
- 6G01 – Brackets and Automatic Hook
- 6H01 – Rear Hitch
-
07. Power Take-Off (PTO)
- 7A01 – Layshaft, Driving Pinion and PTO Brake
- Two-Speed PTO – Without Shimming
- Two-Speed PTO – With Shimming
- Four-Speed Economy PTO – Without Shimming
- Four-Speed Economy PTO – With Shimming
- Four-Speed Economy PTO Control Adjustment
- 7B01 – Removable PTO Shaft
- 540 and 1000 RPM PTO Shaft Replacement
- Rear PTO Bearing Removal and Installation
- Rear Bearing Disassembly and Reassembly
- 540/1000 RPM Pinion and Front Bearing Servicing
- 7C01 – Shiftable Power Take-Off Shaft
- Shiftable PTO Component Identification
- Rear PTO Bearing Removal and Refitting
- PTO Pinion and Front Shaft Bearing Servicing
- Shiftable PTO Controls
- PTO Flange Shaft
- Reinforced PTO Shaft and Seals
- 7D01 – Ground-Speed Proportional Power Take-Off
- 2WD Ground-Speed PTO Disassembly and Reassembly
- 4WD Ground-Speed PTO Disassembly and Reassembly
- Ground-Speed PTO Control Adjustment
- 7E01 – Power Take-Off Clutch
- Two-Speed PTO Clutch Removal and Refitting
- Four-Speed PTO Clutch Removal and Refitting
- PTO Clutch Disassembly and Reassembly
- PTO Clutch Service Tools
-
08. Front Axle, Four-Wheel Drive and Steering
- 8A01 – Carraro Front Axle – General Information
- Carraro Front Axle Description and Safety Instructions
- 8B01 – Dana Final Drive Units
- Planetary Carrier, Sun Gear and Crown Wheel Servicing
- Wheel Hub Disassembly and Reassembly
- Wheel Stud Replacement
- Swivel Housing Shimming and Reassembly
- Universal Drive Shaft Removal and Refitting
- 8B02 – Carraro Final Drive Units
- Steering Cylinder Group Disassembly
- Epicyclic Reduction Gear Servicing
- Wheel Hub Group Disassembly and Assembly
- Axle Beam Group Disassembly and Assembly
- Toe-In Adjustment
- Steering Angle Adjustment
- 8C01 – Dana Differential
- Front Axle and Frame Separation
- Swivel Housing, Wheel Hub and Drive Shaft Removal
- Differential Housing Removal
- Crown Wheel and Planetary Gear Disassembly
- Front Differential Lock Removal and Refitting
- Drive Pinion Adjustment and Shimming
- Differential Housing Reassembly and Shimming
- 8C02 – Carraro Differential
- Differential Support Group Disassembly
- Drive Pinion Group Servicing
- Differential Group Disassembly and Assembly
- Differential Carrier Assembly
- 8D01 – 2RM Front Axle Beam
- Steering Swivel Arm Ball Joint
- Wheel Hub, Axle Spindle and Outer Arm
- Steering Ram Removal and Refitting
- Front Axle Beam Removal and Refitting
- Front Wheel Toe-In and Track Width Adjustment
- 8E01 – Steering Column
- Steering Column Removal and Refitting
- Steering Control Lever Assembly
- Steering Locking Assembly
- Steering Shaft, Bearing and Guide Bush Replacement
- 8F01 – Front Axle Dana Bearings and Transmission Shaft
- Front Transmission Shaft Bearings and Seals
- 8F02 – Bearings and Transmission Shafts
- Four-Wheel-Drive Transmission Shaft and Universal Joint Servicing
- Front Bearing Support and Friction Ring Replacement
- 8G01 – Four-Wheel-Drive Clutch Assembly
- 4WD Clutch Removal and Installation
- Four-Wheel-Drive Clutch Disassembly and Reassembly
- 8G02 – Carraro Suspension
- Carraro Suspension Arm Disassembly and Assembly
- 8I01 – Carraro Troubleshooting
- Front Axle Problem Identification and Diagnosis
-
09. Hydraulic Systems
- 9A01 – Hydraulic Circuit Description
- Low-Flow, Low-Pressure Hydraulic Circuit
- High-Flow, High-Pressure Hydraulic Circuit
- Hydraulic Component Layout and Schematics
- 9B01 – Trailer Braking
- Trailer Brake Valve Removal and Refitting
- Hydraulic Trailer Brake Operation
- 9C01 – Auxiliary Spool Valves
- Auxiliary Spool Valve Ports and Channels
- Hydraulic Flow Divider Adjustment
- Three-Position Auxiliary Spool Valves
- Four-Position Floating Spool Valve
- Auxiliary Valve Control Cable Adjustment
- 9D01 – Lift Control Valve
- Lift Control Valve Neutral, Raising and Lowering Positions
- Lift Control Valve Removal and Refitting
- 9E01 – Hydrostatic Steering
- Orbitrol Steering Unit Disassembly and Reassembly
- Steering Ram Removal and Overhaul
- 9F01 – Low-Pressure Hydraulic Components
- Lubricating and Cooling Circuit
- Hydraulic Distribution Block Servicing
- 5-Bar Valve Adjustment
- 9G01 – Brake and Clutch Master Cylinder Circuits and Bleeding
- Main Brake and Trailer Brake Bleeding
- Servobrake and Brake Pedal Adjustment
- Clutch Master Cylinder Servicing
- Clutch Pedal Adjustment and Circuit Bleeding
- 9H01 – 17-Bar Hydraulic Valve
- 17-Bar Valve Operation and Replacement
- 9I01 – Right-Hand Hydraulic Cover
- High-Pressure Valve Disassembly and Reassembly
- Hydraulic Pump Removal and Overhaul
- Engine Speed Sensor Adjustment
- 9I02 – Left-Hand Hydraulic Cover
- Left-Hand Cover Disassembly and Reassembly
- 9J01 – Clutch Control Valve
- Clutch Control Valve Operation
- Clutch Control Valve Removal and Overhaul
- 9K01 – Power Shuttle Control Block
- Power Shuttle Control Block Removal and Refitting
- Proportional Solenoid Valve Identification
- 9K02 – Suspended Front Axle Hydraulic Control Unit
- Suspended Axle Hydraulic Circuit
- Hydraulic Control Unit and Steering Cylinder Overhaul
- 9L01 – Dynashift or Speedshift Control
- Transmission Gear Ratios and Hydraulic Ports
- 9M01 – Hydraulic Pressure Tests
- High-Flow Hydraulic Circuit Testing
- Low-Flow Hydraulic Circuit Testing
- 9N01 – Hydraulic Circuit Description and Diagrams
- 9P01 – Priority Block with Trailer Braking
- 9Q01 – Priority Block Without Trailer Braking
- 9R01 – Auxiliary Spool Valves
- Spool Valve Assembly and Control Cable Adjustment
- 9R02 – Electrohydraulic Spool Valves
- Electrohydraulic Valve Assembly and Adjustment
- 9S01 – Lift Control Valve
- Lift Valve Neutral, Raising and Lowering Operation
- 9T01 – Load Sensing Hydrostatic Steering
- Orbitrol Steering Unit Servicing
- Dana and Carraro Steering Ram Servicing
- 9U01 – Right-Hand Hydraulic Cover
- Variable-Displacement Hydraulic Pump Operation
- Hydraulic Pump Removal and Refitting
- 9U02 – Left-Hand Hydraulic Cover
- Booster Pump Disassembly and Seal Replacement
- 9V01 – Clutch and Brake Master Cylinder Circuit and Bleeding
- 9W01 – Hydraulic System Tests
- High-Pressure Hydraulic Circuit Tests
- Low-Pressure Hydraulic Circuit Tests
- Cooling and Lubricating Circuit Tests
-
10. Electrical Equipment
- 10A01 – Rists Electrical Equipment
- Autotronic 2 Cab Equipment and Accessories
- Autotronic 2 Engine Electrical Equipment
- Autotronic 3 Engine and Cab Equipment
- Autotronic 2 Lighting Equipment
- Autotronic 3 Lighting Equipment
- Autotronic 2 Fuse Locations
- Autotronic 3 Fuse Locations
- European and North American Electrical Configurations
- 10A02 – Deutsch Electrical Equipment
- Autotronic 3 Engine and Cab Electrical Equipment
- Autotronic 3 Lighting Equipment
- Dynashift Fuse Locations – Europe
- Dynashift Fuse Locations – North America
-
11. Electronics and Diagnostic Systems
- 11A01 – Autotronic 2 Description
- Autotronic 2 Operating Modes and Function Flowcharts
- 11A02 – Autotronic 2 Checks Without a Tester
- Electronic Fault Analysis and Test Procedures
- 11B01 – Autotronic 3 Description
- Autotronic 3 Status and Operating Functions
- Automatic Dynashift Operating Principles
- Throttle Pedal Potentiometer Calibration
- Power Shuttle Operating Principles
- Power Shuttle Calibration
- Power Shuttle Error Codes
- Power Shuttle Lever Disassembly and Assembly
- Clutch Pedal Adjustment
- 11C01 – Electronic Linkage – Tractors with Cab
- Electronic Linkage Console and Wiring Diagram
- 11C02 – Electronic Linkage Auto-Diagnostics
- 11D01 – Datatronic 2 Description
- Datatronic 2 Controls and Display Functions
- Implement Width and Working Functions
- Wheel Slip Control and Memory Functions
- 11D02 – Front Dual Control
- Front Dual Control Adjustments and Error Codes
- 11D03 – Dual Control for Semi-Mounted Implements
- Dual Control Settings and Error Codes
- 11D04 – TIC for Semi-Mounted Implements
- Trailed Implement Control Settings and Diagnostics
- 11F01 – Wintest Diagnostic Software – General Information
- Wintest Installation and Connection
- 11F02 – Autotronic 2 with Wintest
- Autotronic 2 Programming and Parameter Settings
- Gearbox, Front Axle, Differential Lock and PTO Diagnostics
- 11F03 – Autotronic 3 with Wintest
- Autotronic 3 Programming and Diagnostic Tests
- Manual Power Shuttle Calibration
- Autotronic 3 Error Codes
- 11F04 – TC and DCC with Wintest
- Electronic System Parameters and Diagnostics
- 11F05 – Electronic Linkage with Wintest
- Electronic Linkage Position Sensor Adjustment
- Dual Control and TIC Diagnostic Functions
- 11F06 – Datatronic 2 with Wintest
- Datatronic Programming and Language Selection
- 11F07 – Joystick with Wintest
- Joystick Calibration and Valve Parameters
- 11G01 – Carraro Suspension Electronic Control
- Suspension Sensor and ECU Servicing
- 11H01 – SMS Electronic Control System
- SMS Component Description and Error Codes
- Joystick and Switch Servicing
- 12. Cab and Equipment
- 13. Accessories
- 14. Service Tools
Transmission, Hydraulics and Electronic Diagnostic Information
The Massey Ferguson 6235, 6245, 6255 and 6260 workshop documentation includes technical references for Speedshift and Dynashift transmission servicing, Power Shuttle repairs, clutch adjustment, rear axle maintenance, PTO components, front axle overhaul and hydraulic circuit testing. Electrical diagrams, Autotronic and Datatronic systems, Wintest diagnostics and specialist service tool references assist technicians with fault identification, component servicing and tractor maintenance.
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