John Deere 6020 6120 6220 6320 6420 6420S 6520 6620 Tractors Technical Service Repair Manual

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This is the COMPLETE Official Service Repair Manual for the John Deere Tractors.
This manual contains deep information about maintaining, assembly, disassembly and servicing your John Deere. 

This PDF file is Bookmarked and SEARCHABLE to make what you need easy to find. 

Models And Serials :

See below for the correct John Deere model numbers.

6020 6120 6220 6320 6420 6420S 6520 6620 Tractors - 2002 - 2007

SE-Traktoren: 6020, 6120, 6220, 6320, 6420 und 6520 - 2002 - 2007

CONTENTS : 

SECTION 05—SAFETY
Group 05—Safety Measures
SECTION 10—GENERAL INFORMATION
Group 05—Specifications
Group 10—Tune-Up
Group 15—Predelivery Inspection
SECTION 20—ENGINE
Group 00—Engine Removal and Installation
SECTION 30—FUEL, AIR INTAKE, COOLING AND
EXHAUST SYSTEMS
Group 05—Speed Control Linkage
Group 10—Fuel System
Group 15—Air Intake System
Group 20—Cooling System
Group 25—Cold-Weather Starting Aids
Group 30—Exhaust System
SECTION 40—ELECTRICAL SYSTEM
Group 05—Connectors
Group 10—Wiring Harnesses
Group 15—Charging Circuit
Group 20—Starter Motor Circuit
Group 25—Fuses, Relays and Switches
Group 30—Monitoring Systems
Group 40—Electrical Components
SECTION 50—SYNCROPLUS TRANSMISSION
Group 00—Removal and Installation of
Transmission Components
Group 05—Transmission Shift Controls
Group 10—Perma Clutch II Module
Group 15—Gear Transmission
SECTION 51—POWER REVERSER TRANSMISSION
Group 00—Removal and Installation of Power
Reverser Module
Group 05—Transmission Shift Controls
Group 10—Power Reverser Module
Group 15—Gear Transmission
SECTION 53—AUTOPOWR/IVT TRANSMISSION
Group 00—Removing and Installing the
AutoPowr/IVT Transmission
Group 05—Transmission Shift Controls
Group 10—Input Housing
Group 15—Output Housing
Group 20—Assembling the Differential Drive Shaft
SECTION 55—POWRQUAD, POWRQUAD PLUS
AND AUTOQUAD TRANSMISSIONS
Group 00—Removal and Installation of Components
Group 05—Transmission Shift Controls
Group 10—PowrQuad Module
Group 15—Creeper Transmission
Group 20—Option Transmission
Group 25—Range Transmission
SECTION 56—DRIVE SYSTEMS
Group 00—Removal and Installation of Components
Group 05—U-Jointed Shafts and Torsion Damper
Group 10—Front-Wheel Drive Clutch
Group 15—Differential
Group 20—Hydraulic Pump Drive
Group 25—Final Drives
Group 30—Rear PTO Options
Group 35—Front PTO
Group 40—Front Implement Drive
SECTION 60—STEERING AND BRAKES
Group 05—Hydrostatic Steering
Group 10—Steering Cylinder(s)
Group 15—Brake Valve
Group 20—Rear Brakes
Group 25—Handbrake
Group 30—Hydraulic Trailer Brake
Group 35—Air Brake
SECTION 70—HYDRAULIC SYSTEM
Group 05—Controls
Group 10—Hydraulic Pump and Charge Pump (PFC
Hydraulic System)
Group 11—Hydraulikpumpe (PC-Hydrauliksystem)
Group 15—Valves
Group 20—Rockshaft
Group 25—Selective Control Valves and Couplers
Group 30—Independent Control Valve
SECTION 80—MISCELLANEOUS
Group 00—Removal and Installation of Components
Group 05—Main Frame
Group 10—Front Axle
Group 15—Front and Rear Wheels
Group 20—Trailer Mounting and Swinging Drawbar
Group 25—Triple Link Suspension (TLS) of
Front-Wheel Drive Axle
Group 30—Pick-Up Hitch
SECTION 90—OPERATOR’S CAB
Group 00—Removal and Installation of Components
Group 05—Controls and Instruments
Group 10—Air-Conditioning System
Group 15—Heating System
Group 20—Seats
Group 25—Operator’s Cab
Group 30—Cab Suspension
SECTION 99—SPECIAL TOOLS
(DEALER-FABRICATED)
Group 05—Special Tools (Dealer-Fabricated)

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