JOHN DEERE 4120 & 4320 COMPACT UTILITY TRACTOR (DIAGNOSTIC AND REPAIR) Service Manual (TM105019)

Ensure your JOHN DEERE 4120 & 4320 COMPACT UTILITY TRACTORS remain in peak performance with our comprehensive DIAGNOSTIC AND REPAIR SERVICE MANUAL (PN TM105019). This manual is an essential resource for anyone looking to perform accurate diagnostics and efficient repairs on these models. Whether you’re a seasoned technician or a first-time user, the manual provides clear, step-by-step instructions, detailed diagrams, and troubleshooting guidance to help you address any maintenance or repair task with confidence. With this guide, you’ll save time, minimize downtime, and keep your equipment running smoothly, all while avoiding expensive repair costs.

DOWNLOAD NOW JOHN DEERE 4120 & 4320 COMPACT UTILITY TRACTOR (DIAGNOSTIC AND REPAIR) SERVICE MANUAL (PN TM105019)

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📑 Table of Contents:

- FOREWORD
- Section 10 - SAFETY
- Group 05 - Safety
- Recognize Safety Information
- Understand Signal Words
- Replace Safety Signs
- Handle Fluids Safely—Avoid Fires
- Prepare for Emergencies
- Prevent Battery Explosions
- Prevent Acid Burns
- Wear Protective Clothing
- Avoid High-Pressure Fluids
- Avoid Heating Near Pressurized Fluid Lines
- Service Machines Safely
- Use Proper Tools
- Park Machine Safely
- Support Machine Properly
- Use Proper Lifting Equipment
- Work in Clean Area
- Protect Against High Pressure Spray
- Illuminate Work Area Safely
- Work In Ventilated Area
- Remove Paint Before Welding or Heating
- Avoid Harmful Asbestos Dust
- Service Tires Safely
- Stay Clear of Rotating Drivelines
- Service Cooling System Safely
- Dispose of Waste Properly
- Handle Chemical Products Safely
- Live With Safety
- Section 20 - SPECIFICATIONS AND INFORMATION
- Group 05 - General Specifications
- Metric Bolt and Screw Torque Values
- Metric Cap Screw Torque Values—Grade 7
- Unified Inch Bolt and Screw Torque Values
- Gasket Sealant Application
- Service Recommendations For Flat Face O-Ring Seal Fittings
- Service Recommendations for O-Ring Boss Fittings
- Group 10 - Fuel and Lubricants
- Diesel Fuel
- Handling and Storing Diesel Fuel
- Diesel Engine Oil
- Diesel Engine Break-In Oil
- Alternative and Synthetic Lubricants
- Lubricant Storage
- Mixing of Lubricants
- Grease
- Transmission and Hydraulic Oil
- Heavy Duty Diesel Engine Coolant
- Group 15 - Serial Number Locations
- Serial Numbers
- Machine Product Identification Number
- Engine and Turbocharger Serial Numbers
- Section 30 - ENGINE
- Group 05 - Specifications
- Specifications
- Group 10 - Tools and Materials
- Service Equipment and Tools
- Group 15 - Repair
- John Deere Engine Repair—Use CTM301
- Engine Removal and Installation
- Section 40 - ELECTRICAL
- Group 05 - General Information
- Specifications
- Reading Electrical Schematics
- Theory Of Operation Information
- Diagnostic Information
- Wire Color Abbreviation Chart
- Common Circuit Tests
- Conductors For 12 Volt Circuits
- Group 10 - Specifications
- System Specifications
- Service Equipment and Tools
- Essential or Recommended Tools
- Other Material
- Group 15 - Component Location
- Main Machine
- Display Panel
- Group 20 - Schematics and Harnesses
- Main Schematic and Wiring Harness Legend - PRT and eHydro eHydro is a trademark of Deere & Company
- W9 Schematic and Wiring Harness Legend
- W1 Main Electrical Schematic (1 of 3)
- W9 eHydro eHydro is a trademark of Deere & Company and Cruise Control Electrical Schematic (1 of 2)
- CAN/Diagnostic Functional Diagram - HST with MUP
- CAN Bus Topology - HST with MUP
- CAN Bus Topology - PRT with MUP
- W1 Main Wiring Harness
- Rear Lighting - Detail
- Load Center
- W9 HST Wiring Harness
- Main Wiring Harness Component Location
- W1 Main Wiring Harness Color Codes
- W2 Headlight Wiring Harness
- W2 Headlight Wiring Harness Color Codes
- W3 and W4 Jumper Plug
- W7 Right Rear Lights Wiring Harness
- W7 Right Rear Lights Wiring Harness Color Codes
- W8 Left Rear Lights Wiring Harness
- W8 Left Rear Lights Wiring Harness Color Codes
- W9 eHydro eHydro is a trademark of Deere & Company Wiring Harness
- W9 eHydro eHydro is a trademark of Deere & Company Wiring Harness Color Codes
- W10 Proportional Valve Wiring Harness
- W10 Proportional Valve Wiring Harness Color Codes
- W11 Cruise Control Wiring Harness (standard)
- W11 eHydro eHydro is a trademark of Deere & Company Cruise Control Wiring Harness Color Codes (standard)
- W12 Cruise Control Wiring Harness (optional)
- W12 eHydro eHydro is a trademark of Deere & Company Cruise Control Wiring Harness Color Codes (optional)
- W28 3rd, 4th and 5th Function Wiring Harness Color Codes
- W28 3rd, 4th and 5th Function Wiring Harness
- W28 3rd, 4th and 5th Function Wiring Schematic
- Group 25 - Operation and Diagnostics
- Power Circuit Operation
- W1 Power Circuit Electrical Schematic (1 of 3)
- Power Circuit W9 eHydro eHydro is a trademark of Deere & Company and Cruise Control Electrical Schematic
- Power Circuit Diagnosis
- Cranking Circuit Operation
- Cranking Circuit Electrical Schematic
- Cranking Circuit Diagnosis
- Glow Plug and Light Circuit Operation
- Glow Plug and Light Circuit Electrical Schematic
- Glow Plug and Light Circuit Diagnosis
- Fuel Supply/Engine Shutoff Circuit Operation - Operating Conditions
- Fuel Supply/Engine Shutoff Circuit Electrical Schematic
- Fuel Supply/Engine Shutoff Circuit Diagnosis
- Charging Circuit Operation
- Tachometer Circuit Operation
- Hour Meter Circuit Operation
- Charge, Tachometer and Hour Meter Circuit Electrical Schematic
- Charging, Tachometer and Hour Meter Circuit Diagnosis
- Rear PTO Circuit Operation
- Rear PTO Circuit Electrical Schematic
- Rear PTO Circuit Diagnosis
- MFWD Circuit Operation
- MFWD Circuit Electrical Schematic
- MFWD Circuit Diagnosis
- Light Circuit Operation
- Lights Circuit Electrical Schematic
- Lights Circuit Diagnosis
- Turn Signal Lights Circuit Operation
- Turn Signal Lights Circuit Electrical Schematic
- Turn Signal Lights Circuit Diagnosis
- Display Panel Operation
- Display Panel LCD Message
- Display Panel Diagnosis
- Display Mode Switch Circuit Operation
- Display Mode Switch Circuit Electrical Schematic
- Display Mode Switch Circuit Diagnosis
- eMatchOS Electronic Drive Controller
- Forward Drive Circuit Operation
- Forward Drive Circuit Electrical Schematic
- Forward Drive Circuit Diagnosis
- Reverse Drive Circuit Operation
- Reverse Drive Circuit Electrical Schematic
- Reverse Drive Circuit Diagnosis
- Cruise Control Circuit Operation (standard)
- Cruise Control Circuit Electrical Schematic (standard)
- Cruise Control Circuit Diagnosis (standard)
- Cruise Control Circuit Operation (optional)
- Cruise Control Circuit Electrical Schematic (optional)
- Cruise Control Circuit Diagnosis (optional)
- LoadMatch LoadMatch is a trademark of Deere & Company and MotionMatch MotionMatch is a trademark of Deere & Company Circuit Operation
- LoadMatch LoadMatch is a trademark of Deere & Company and MotionMatch MotionMatch is a trademark of Deere & Company Circuit Electrical Schematic
- LoadMatch LoadMatch is a trademark of Deere & Company and MotionMatch MotionMatch is a trademark of Deere & Company Control Circuit Diagnosis
- Group 30 - Tests and Adjustments
- Ground Circuit Test
- Battery Voltage and Specific Gravity Test
- Battery - Charge
- Battery - Load Test
- Alternator Regulated Voltage Test
- Alternator Test and Inspection
- Regulated Amperage and Voltage Test
- Starting Motor Solenoid Test
- Starting Motor Amperage Draw Test
- Starting Motor No-Load Amperage Draw and RPM Test
- Fuse Test
- Glow Plug Test
- Engine Coolant Temperature Sensor Test
- Engine Oil Pressure Switch Test
- Relay Test
- Key Switch Test
- Light Switch Test
- Sensing Switch Test
- Turn Signal Switch Test
- Hazard Switch Test
- Rear PTO Switch Test
- Rear PTO Solenoid Test
- Seat Switch Test
- Cruise Switch Test (standard) - eHydro™
- Cruise/Max Speed Switch Test - eHydro™
- Res/+, Set/- Switch Test - eHydro™
- Brake and Park Brake Switch Test
- Air Filter Restriction Switch Test
- Fuel Gauge Sensor Test
- Fuel Shutoff Solenoid Test
- LoadMatch™ Switch Test
- MotionMatch™ Switch Test - eHydro™
- Display Mode Switch Test
- Proportional Drive Solenoid Test
- Horn Switch Test
- CAN Bus Terminator Test
- Configure the Display
- Editing Tire Size Value
- Editing MotionMatch™ Settings - eHydro™
- Editing LoadMatch™ Settings - eHydro™
- HST Proportional Solenoid Test
- eHydro™ - Electronic Drive Controller System Calibration
- eHydro™ - Single Sensor Calibration
- Test Kit
- eHydro™ - Throttle Position Sensor Test and Adjustment
- eHydro™ - Forward and Reverse Pedal Sensor Test and Adjustment
- eHydro™ - MFWD Speed Sensor Test
- Group 35 - Repair
- Throttle Position Sensor Removal and Installation
- Electronic Drive Controller Removal and Installation
- Alternator Removal and Installation
- Alternator Disassembly and Assembly
- Fuel Gauge Sensor Removal and Installation
- Group 40 - Service Codes
- Display Panel Fault Codes
- Diagnostic Trouble Codes Overview
- Diagnostic Trouble Codes by Controller
- Readings Codes Overview
- Readings Codes by Controller
- Configuration Codes Overview
- Configuration Codes by Controller
- Entering Diagnostic and Calibration Modes
- Group 45 - Electronic Controllers
- Control Unit Locations and Identification
- Data Bus Systems
- CAN Bus Theory of Operation
- CAN Bus Message Structure
- Control Unit Messaging Errors
- VIN Network Address Checks
- CAN Network Voltage Checks
- Troubleshooting Electronic Controllers
- CAN Communication Fault Checks
- Accessing the Addresses and Diagnostic Trouble Codes
- Monitoring CAN Bus Traffic Data
- Approved Software for Control Units
- Erroneous Diagnostic Trouble Codes
- Group 50 - Operation and Diagnostics - DTCs (TCU)
- TCU 523590.31 (ERR_02) - Machine Drive Forward
- TCU 523590.0 (ERR_02) - Machine Drive Forward
- TCU 523590.1 (ERR_02) - Machine Drive Forward
- TCU 523590.3 (ERR_02) - Machine Drive Forward
- TCU 523590.4 (ERR_02) - Machine Drive Forward
- TCU 523590.13 (ERR_02) - Machine Drive Forward
- TCU 523591.0 (ERR_03) - Machine Drive Reverse
- TCU 523591.1 (ERR_03) - Machine Drive Reverse
- TCU 523591.3 (ERR_03) - Machine Drive Reverse
- TCU 523591.4 (ERR_03) - Machine Drive Reverse
- TCU 523591.13 (ERR_03) - Machine Drive Reverse
- TCU 190.8 (ERR_04) - Engine Speed
- TCU 190.9 (ERR_04) - Engine Speed
- TCU 597.31 (ERR_05) - Brake Switch
- TCU 84.8 (ERR_06) - Wheel Based Vehicle Speed
- TCU 599.3 (ERR_07) - Cruise Control Set
- TCU 91.0 (ERR_08) - Accelerator Position 1
- TCU 91.1 (ERR_08) - Accelerator Pedal Position 1
- TCU 91.3 (ERR_08) - Accelerator Pedal Position 1
- TCU 91.4 (ERR_08) - Accelerator Pedal Position 1
- TCU 91.9 (ERR_08) - Accelerator Pedal Position 1
- TCU 91.13 (ERR_08) - Accelerator Pedal Position 1
- TCU 596.31 (ERR_09) - Cruise Control Enable Switch
- TCU 629.12 (ERR_10) - Controller #1
- TCU 599.31 (ERR_11) - Cruise Control Set Switch (Under normal conditions only applies to standard cruise control)
- TCU 601.31 (ERR_11) - Cruise Control Resume Switch (Under normal conditions only applies to optional cruise control)
- TCU 3509.0 (ERR_12) - Sensor Supply Voltage 1
- TCU 3509.1 (ERR_12) - Sensor Supply Voltage 1
- TCU 524069.5 (ERR_13) - Machine Drive Valve Reverse
- TCU 524069.6 (ERR_13) - Machine Drive Valve Reverse
- TCU 524069.13 (ERR_13) - Machine Drive Valve Reverse
- TCU 524071.5 (ERR_14) - Machine Drive Valve Forward
- TCU 524071.6 (ERR_14) - Machine Drive Valve Forward
- TCU 524071.13 (ERR_14) - Machine Drive Valve Forward
- TCU 1504.31 (ERR_15) - Operator Seat Switch
- Group 55 - Operation and Diagnostics - DTCs (ICC)
- ICC 628.14 (ERR_51) - Program Memory
- ICC 628.31 (ERR_53) - Program Memory
- ICC 521601.31 (ERR_54) - End of Line File - EOL
- ICC 524264.31 (ERR_55) - Checksum Error - Normal Mode
- ICC 2003.9 (ERR_57) - Source Address 3
- ICC 522000.31 (ERR_58) - Controller Data Structure Mismatch
- ICC 2003.12 (ERR_59) - Source Address 3
- ICC 2370.6 (ERR_60) - Right Turn Signal Lights
- ICC 2370.5 (ERR_61) - Right Turn Signal Lights
- ICC 2368.6 (ERR_62) - Left Turn Signal Lights
- ICC 2368.5 (ERR_63) - Left Turn Signal Lights
- ICC 523633.6 (ERR_64) - Right Amber Flasher
- ICC 523633.5 (ERR_65) - Right Amber Flasher Lights
- ICC 523629.6 (ERR_66) - Left Amber Flasher Lights
- ICC 523629.5 (ERR_67) - Left Amber Flasher Lights
- ICC 632.6 (ERR_67) - Engine Fuel Shutoff 1 Control
- ICC 632.5 (ERR_71) - Engine Fuel Shutoff 1 Control
- ICC 677.6 (ERR_72) - Engine Starter Motor Relay
- ICC 677.5 (ERR_73) - Engine Starter Motor Relay
- ICC 2808.3 (ERR_74) - Keypad
- ICC 520194.12 (ERR_75) - Vin Mismatch
- ICC 520193.31 (ERR_76) - Controller Mismatch
- ICC 523438.31 (ERR_78) - Serial EEPROM Access
- ICC 247.9 (ERR_79) - Engine Total Hours of Operation
- ICC 190.9 (ERR_81) - Engine Speed
- ICC 2000.9 (ERR_82) - Source Address 0
- ICC 629.12 (ERR_83) - Controller #1
- ICC 110.0 (ERR_84) - Engine Coolant Temperature
- ICC 110.4 (ERR_85) - Engine Coolant Temperature
- ICC 110.9 (ERR_86) - Engine Coolant Temperature
- Section 50 - ELECTRICAL - EUROPEAN
- Group 05 - Specifications
- Specifications
- Essential or Recommended Tools
- Service Equipment and Tools
- Other Material
- Group 10 - Component Location
- Display Panel
- Load Center
- Main Wiring Harness Component Location
- TCU Wiring Harness (HST) Component Location
- Group 15 - Schematics and Harnesses
- W3 Main Wiring Harness Legend and Schematic - PRT and HST
- W13 TCU Wiring Harness and Schematic Legend
- W3 Main Electrical Schematic
- W13 TCU and Cruise Control Electrical Schematic
- W3 Main Wiring Harness
- W3 Main Wiring Harness Color Codes
- W8 Headlight/Horn Wiring Harness
- W8 Headlight/Horn Wiring Harness Color Codes
- W9 Left Rear Lights Wiring Harness
- W9 Left Rear Lights Wiring Harness Color Codes
- W10 Right Rear Lights Wiring Harness
- W10 Right Rear Lights Wiring Harness Color Codes
- W4 and W6 Jumper Plug
- W13 TCU Wiring Harness
- W13 TCU Wiring Harness Color Codes
- W16 Proportional Valve Wiring Harness
- W16 Proportional Valve Wiring Harness Color Codes
- W14 Cruise Control Wiring Harness (standard)
- W14 Cruise Control Wiring Harness Color Codes (standard)
- W15 Cruise Control Wiring Harness (optional)
- W15 Cruise Control Wiring Harness Color Codes (optional)
- W28 3rd, 4th and 5th Function Function Wiring Harness Color Codes
- W28 3rd, 4th and 5th Function Function Wiring Harness
- 3rd, 4th and 5th Function Wiring Schematic
- Group 20 - Operation and Diagnostics
- Power Circuit Operation
- Power Circuit Electrical Schematic - W3 PRT and HST
- Power Circuit Schematic - W13 HST
- Power Circuit Diagnosis
- Cranking Circuit Operation
- Cranking Circuit Electrical Schematic
- Cranking Circuit Diagnosis
- Glow Plug and Light Circuit Operation
- Glow Plug and Light Circuit Electrical Schematic
- Glow Plug and Light Circuit Diagnosis
- Fuel Supply/Engine Shutoff Circuit Operation - Operating Conditions
- Fuel Supply/Engine Shutoff Circuit Electrical Schematic
- Fuel Supply/Engine Shutoff Circuit Diagnosis
- Charging Circuit Operation
- Tachometer Circuit Operation
- Hour Meter Circuit Operation
- Charge, Tachometer and Hour Meter Circuit Electrical Schematic
- Charging, Tachometer and Hour Meter Circuit Diagnosis
- Rear PTO Circuit Operation
- Rear PTO Circuit Electrical Schematic
- Rear PTO Circuit Diagnosis
- MFWD Circuit Operation
- MFWD Circuit Electrical Schematic
- System: MFWD Circuit Diagnosis
- Light Circuit Operation
- Brake Lights Operation
- Lights Circuit Electrical Schematic
- Lights Circuit Diagnosis
- Hazard Lights Circuit Operation
- Hazard Lights Circuit Electrical Schematic
- Hazard Lights Circuit Diagnosis
- Turn Signal Lights Circuit Operation
- Turn Signal Circuit Electrical Schematic
- Turn Signal Lights Circuit Diagnosis
- Display Panel Operation
- Display Panel Diagnosis
- Display Mode Switch Circuit Operation
- Display Mode Switch Circuit Electrical Schematic
- Display Mode Switch Circuit Diagnosis
- eMatchOS Electronic Drive Controller
- Forward Drive Circuit Operation
- Forward Drive Circuit Electrical Schematic
- Forward Drive Circuit Diagnosis
- Reverse Drive Circuit Operation
- Reverse Drive Circuit Electrical Schematic
- Reverse Drive Circuit Diagnosis
- Cruise Control Circuit Operation (standard)
- Cruise Control Circuit Electrical Schematic (standard)
- Cruise Control Circuit Diagnosis (standard)
- Cruise Control Circuit Operation (optional)
- Cruise Control Circuit Electrical Schematic (optional)
- Cruise Control Circuit Diagnosis (optional)
- Load Match and Motion Match Circuit Operation
- Load Match and Motion Match Circuit Electrical Schematic
- Load Match and Motion Match Control Circuit Diagnosis
- Group 25 - Service Codes
- Display Panel Fault Codes
- Diagnostic Trouble Codes Overview
- Diagnostic Trouble Codes by Controller
- Readings Codes Overview
- Readings Codes by Controller
- Configuration Codes Overview
- Configuration Codes by Controller
- Entering Diagnostic and Calibration Modes
- Group 30 - Electronic Controllers
- Control Unit Locations and Identification
- Data Bus Systems
- CAN Bus Theory of Operation
- CAN Bus Message Structure
- Control Unit Messaging Errors
- VIN Network Address Checks
- CAN Network Voltage Checks
- Troubleshooting Electronic Controllers
- CAN Communication Fault Checks
- Accessing the Addresses and Diagnostic Trouble Codes
- Monitoring CAN Bus Traffic Data
- Approved Software for Control Units
- Erroneous Diagnostic Trouble Codes
- Group 35 - Operation and Diagnostics - DTCs (TCU)
- TCU 523590.3 (ERR_02) - Machine Drive Forward
- TCU 523590.0 (ERR_02) - Machine Drive Forward
- TCU 523590.1 (ERR_02) - Machine Drive Forward
- TCU 523590.3 (ERR_02) - Machine Drive Forward
- TCU 523590.4 (ERR_02) - Machine Drive Forward
- TCU 523590.13 (ERR_02) - Machine Drive Forward
- TCU 523591.0 (ERR_03) - Machine Drive Reverse
- TCU 523591.1 (ERR_03) - Machine Drive Reverse
- TCU 523591.3 (ERR_03) - Machine Drive Reverse
- TCU 523591.4 (ERR_03) - Machine Drive Reverse
- TCU 523591.13 (ERR_03) - Machine Drive Reverse
- TCU 190.8 (ERR_04) - Engine Speed
- TCU 190.9 (ERR_04) - Engine Speed
- TCU 597.31 (ERR_05) - Brake Switch
- TCU 84.8 (ERR_06) - Wheel Based Vehicle Speed
- TCU 599.3 (ERR_07) - Cruise Control Set Switch
- TCU 91.0 (ERR_08) - Accelerator Position 1
- TCU 91.1 (ERR_08) - Accelerator Pedal Position 1
- TCU 91.3 (ERR_08) - Accelerator Pedal Position 1
- TCU 91.4 (ERR_08) - Accelerator Pedal Position 1
- TCU 91.9 (ERR_08) - Accelerator Pedal Position 1
- TCU 91.13 (ERR_08) - Accelerator Pedal Position 1
- TCU 596.31 (ERR_09) - Cruise Control Enable Switch
- TCU 629.12 (ERR_10) - Controller #1
- TCU 599.31 (ERR_11) - Cruise Control Set Switch (Under normal conditions only applies to standard cruise control)
- TCU 601.31 (ERR_11) - Cruise Control Resume Switch (Under normal conditions only applies to optional cruise control)
- TCU 3509.0 (ERR_12) - Sensor Supply Voltage 1
- TCU 3509.1 (ERR_12) - Sensor Supply Voltage 1
- TCU 524069.5 (ERR_13) - Machine Drive Valve Reverse
- TCU 524069.6 (ERR_13) - Machine Drive Valve Reverse
- TCU 524069.13 (ERR_13) - Machine Drive Valve Reverse
- TCU 524071.5 (ERR_14) - Machine Drive Valve Forward
- TCU 524071.6 (ERR_14) - Machine Drive Valve Forward
- TCU 524071.13 (ERR_14) - Machine Drive Valve Forward
- TCU 1504.31 (ERR_15) - Operator Seat Switch
- Group 40 - Operation and Diagnostics - DTCs (ICC)
- ICC 628.14 (ERR_51) - Program Memory
- ICC 628.31 (ERR_53) - Program Memory
- ICC 521601.31 (ERR_54) - End of Line File - EOL
- ICC 524264.31 (ERR_55) - Checksum Error - Normal Mode
- ICC 2003.9 (ERR_57) - Source Address 3
- ICC 522000.31 (ERR_58) - Controller Data Structure Mismatch
- ICC 2003.12 (ERR_59) - Source Address 3
- ICC 632.6 (ERR_70) - Engine Fuel Shutoff 1 Control
- ICC 632.5 (ERR_71) - Engine Fuel Shutoff 1 Control
- ICC 677.6 (ERR_72) - Engine Starter Motor Relay
- ICC 677.5 (ERR_73) - Engine Starter Motor
- ICC 2808.3 (ERR_74) - Keypad
- ICC 520194.12 (ERR_75) - VIN Mismatch
- ICC 520193.31 (ERR_76) - Controller Mismatch
- ICC 523438.31 (ERR_78) - Serial EEPROM Access
- ICC 247.9 (ERR_79) - Engine Total Hours of Operation
- ICC 190.9 (ERR_81) - Engine Speed
- ICC 2000.9 (ERR_82) - Source Address 0
- ICC 629.12 (ERR_83) - Controller #1
- ICC 110.0 (ERR_84) - Engine Coolant Temperature
- ICC 110.4 (ERR_85) - Engine Coolant Temperature
- ICC 110.9 (ERR_86) - Engine Coolant Temperature
- Section 60 - POWER TRAIN - PRT
- Group 05 - Specifications
- General Specifications
- Repair Specifications
- Torque Specifications
- Special or Essential Tools
- Other Materials
- Group 10 - Component Location
- Clutch Housing
- PowrReverser PowrReverser is a trademark of Deere & Company Clutch
- Main Shaft
- Driven Shaft
- Main Gear Shift
- PRT Pedal and Shift Linkage
- PRT Valve
- Group 15 - Theory of Operation
- PRT Control Valve Operation
- PRT Clutch Operation - Forward
- PRT Clutch Operation - Reverse
- 4 Speed Transmission Operation
- Range Transmission Power Flow
- Group 20 - Tests and Adjustments
- PRT Clutch Adjustment
- PRT Hydraulic Pressure Tests
- Group 25 - Repair
- Machine Splitting (Front)
- Machine Splitting (Rear)
- Reverse Case Seal Replacement
- PowrReverser™ Traction Clutch
- PowrReverser™ Clutch Valve
- 4-Speed Transmission
- Section 70 - POWER TRAIN - HYDROSTATIC
- Group 05 - Specifications
- Specifications
- Service Equipment and Tools
- Other Material
- Group 10 - Component Location
Machines Component Location
Transmission Components
Center Plate Components
- Drive Shaft
- Front Drive
- Group 15 - Schematics
- Steering/Charge Pump Circuit Schematic, eHydro eHydro is a trademark of Deere & Company Transmission
- Group 20 - Theory of Operation
Transmission Operation
- Range Transmission Power Flow
- Group 25 - Diagnostics
Power Train Troubleshooting
- Hydrostatic Power Train
- Group 30 - Tests and Adjustments
- Hydrostatic High Pressure Relief Test
- Charge Pump Pressure Test
- Hydraulic System Bleed Procedure
- Group 35 - Repair
- Forward and Reverse Position Sensors
- Forward and Reverse Pedals Assembly
- Machine Splitting (Front)
- Machine Splitting (Rear)
- Hydrostatic Transmission Removal and Installation
- Hydrostatic Transmission Disassembly
- Section 80 - POWER TRAIN - FINAL DRIVE
- Group 05 - Specifications
- General Specifications
- Repair Specifications
- Torque Specifications
- Special or Essential Tools
- Other Materials
- Group 10 - Component Location
- Differential Pinion Shaft (eHydro eHydro is a trademark of Deere & Company )
- Differential Pinion Shaft (PRT)
- Range Shift
- Front Drive (For MFWD)
- Differential Gear
- Differential Lock
- Rear Axle and Final Drive
- Brake
- PTO Clutch/Brake Assembly
- Rear PTO Shafts
- Mid PTO Assembly
- Transmission Housing (eHydro eHydro is a trademark of Deere & Company )
- Transmission Housing (PRT)
- MFWD Front Axle Housing and Differential
- MFWD Final Drive (S.N. -910301)
- MFWD Final Drive (S.N. 910302- )
- Group 15 - Theory of Operation
- Range Transmission
- MFWD Power Operation
- Differential Power Flow and Lock
- MFWD Power Flow
- Group 20 - Diagnostics
- PTO Diagnostics
- Group 25 - Tests and Adjustments
- Differential Pinion Shaft Adjustment
- Differential Backlash Adjustment
- Group 30 - Repair
- MFWD Output Shaft
- Speed Range Transmission
- Final Drive Removal
- Final Drive Installation
- Final Drive Disassembly, Inspection, and Assembly
- Differential Lock Fork
- Differential Removal and Installation
- MFWD Drive Shaft Removal and Installation
- MFWD Removal and Installation
- MFWD Final Drive Cover (S.N. -910301)
- MFWD Final Drive Cover (S.N.910302- )
- MFWD Spindle Shaft
- MFWD Final Drive Housing (S.N. -910301)
- MFWD Final Drive Housing (S.N.910302- )
- Spindle Housing
- MFWD Differential
- Pinion Depth Setup and Adjustment
- Group 35 - PTO Theory of Operation
- PTO Clutch and Brake Theory of Operation
- Power Transmission - Rear PTO
- Power Transmission - Mid PTO
- Group 40 - PTO Repair
- Rear PTO Drive Shaft and Gears
- PTO Clutch and Brake
- Mid PTO
- Section 90 - HYDRAULICS
- Group 05 - Specifications
- Specifications
- Essential or Recommended Tools
- Service Equipment and Tools
- Other Material
- Group 10 - Component Location
- PRT Machines Component Location
Machines Component Location
- Rockshaft Component Location
- Dual SCV Components
- Dual SCV Hydraulic Lines
- Third SCV Components
- Power Beyond Components
- Hydraulic Pump Component Location
- Rockshaft Piston, Rod, and Rate of Drop Valve
- Rockshaft Control Valve, Plunger Assembly and Controls
- Rockshaft and Lift Arms (Exploded View)
- PTO Clutch Valve Component Location
- SCV Valve Component Location (SN —810000)
- Diverter Assembly Front (SN —810000)
- Diverter 4th and 5th SCV Assembly Rear (SN —810000)
- Group 15 - Schematics & Harnesses
- Steering/Charge Pump Circuit Schematics, PRT Transmission
- Steering/Charge Pump Circuit Schematic, eHydro eHydro is a trademark of Deere & Company Transmission
- Implement Pump Circuit Schematic, eHydro eHydro is a trademark of Deere & Company and PRT (SN —810000)
- Implement Pump Circuit Schematic, eHydro eHydro is a trademark of Deere & Company and PRT (SN 810001— )
- Diverter Valve Schematic (SN —810000)
- Diverter Valve Schematic (SN 810001— )
- Group 20 - Theory of Operation
- Hydraulics (General)
- Hydraulics (SCV) (Option)
- Hydraulics (Rockshaft)
- Diverter Valve (SN —810000)
- Diverter Valve (SN 810001— )
- Group 25 - Diagnostics
- Hydraulics Diagnostics
- Group 30 - Tests and Adjustments
- Hydraulic System Bleed Procedure
- Hydraulic Pump Flow Test
- System Relief Pressure Test
- PTO Valve Pressure Test
- Steering Pressure Check
- Rockshaft Lift Cycle Test
- Rate of Drop/Stop Valve Adjustment
- Rockshaft Leakage Test
- Rockshaft Position Feedback Linkage Adjustment
- Group 35 - Repair
- Hydraulic Gear Pump
- Rockshaft Removal and Installation
- Lift Arms
- Lift Control Lever
- Rockshaft Control Valve
- Rockshaft Feedback Shaft
- Rockshaft Piston
- PTO Clutch Valve
- Selective Control Valve (SN —810000)
- Selective Control Valve (SN 810001— )
- Section 100 - STEERING
- Group 05 - Specifications
- Specifications
- Essential or Recommended Tools
- Service Equipment and Tools
- Group 10 - Component Location
- Steering Component Location
- Steering System Schematic
- Group 15 - Theory of Operation
- All Models
Model
- PowrReverser PowrReverser is a trademark of Deere & Company Model
- Group 20 - Diagnostics
- Steering Checks
- Steering Noise:
- Group 25 - Tests and Adjustments
- Steering System Test
- Steering Pressure Check
- Toe-in Adjustment MFWD
- Group 30 - Repair
- Steering Cylinder
- Steering Wheel Removal and Installation
- Tilt Steering Mechanism Removal and Installation
- Steering Control Unit (SCU) Removal and Installation
- Tie Rod Removal and Installation - MFWD
- Section 110 - BRAKES
- Group 05 - Specifications
- Specifications
- Group 10 - Component Location
- Brake and Park Brake
- Park Brake Components
- Brake Pedals and Linkage
- Brake Pedals and Linkage (Exploded View)
- Brake Pedals and Linkage - PRT
- Brake Pedals and Linkage - PRT (Exploded View)
- Group 15 - Theory of Operation
- Brakes
- Group 20 - Diagnostics
- Brakes Malfunction
- Brakes Checks
- Group 25 - Tests and Adjustments
- Brake Pedal Adjustment
- Parking Brake Adjustment
- Group 30 - Repair
- Brake Disassembly and Inspection
- Brake Assembly
- Brake Pedal Assembly Removal and Installation
- Brake Pedal Assembly Removal and Installation - PRT
- Parking Brake Linkage Removal and Installation
- Section 120 - MISCELLANEOUS
- Group 05 - Specifications
- Specifications
- Group 10 - Repair
- Three-Point Hitch Removal and Installation
- Center Link Bracket Removal and Installation
- Seat and Seat Support Removal and Installation
- Seat Closeout Removal and Installation
- Rear Fenders Removal and Installation
- Roll Over Protection System (ROPS)
- Front Wheel Removal and Installation
- Rear Wheel Removal and Installation
- Operator′s Platform Removal and Installation
- Fuse Panel Cover Removal and Installation
- Battery Removal and Installation
- Hood Removal and Installation
- Cowl Panel Removal and Installation
- Control Panel Removal and Installation
- Fuel Tank Removal and Installation

*eHydro eHydro is a trademark of Deere & Company

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