JOHN DEERE 4620 TRACTOR Service Repair Manual

JOHN DEERE 4620 TRACTOR Service Repair Manual

JOHN DEERE 4620 TRACTOR Service Repair Manual

(tm1030)

4620 Tractor John Deere

This Original Factory Manual Includes Detailed Service Repair Information for the John Deere 4620 Tractor. It contains guidance on repair, operation and diagnostics, special instructions for repair and maintenance, instructions for installation and adjustment, assembly and disassembly instructions, step by step instructions, technical specifications, illustrations, detailed schematics, and diagrams, troubleshoots and any additional information for John Deere 4620 Tractor.

Contents as follows:
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SECTION 10 – GENERAL

Group 05 – Specifications
Group 10 – Predelivery, Delivery, and After-Sales Services
Group 15 – Tune-Up
Group 20 – Lubrication
Group 25 – Separation

SECTION 20 – ENGINE

Group 05 – General Information, Diagnosis, and Tests
Group 10 – Cylinder Head, Valve Train, and Camshaft
Group 15 – Cylinder Block, Liners, Pistons, and Rods
Group 20 – Crankshaft, Main Bearings, and Flywheel
Group 25 – Lubrication System
Group 30 – Cooling System

SECTION 30 – FUEL SYSTEM

Group 05 – Diagnosing Malfunctions
Group 10 – Air Intake System
Group 15 – Fuel Injection System
Group 20 – Speed Control Linkage

SECTION 40 – ELECTRICAL SYSTEM

Group 05 – Information and Wiring Diagrams
Group 10 – Motorola Charging Circuit
Group 12 – Delcotron Charging Circuit
Group 15 – Delco-Remy Starting Circuit
Group 17 – John Deere Starting Circuit
Group 20 – Lighting and Accessory Circuits

SECTION 50 – POWER TRAIN

Group 05 – Syncro-Range Transmission and PTO Clutches
Group 10 – Syncro-Range Transmission
Group 15 – Engine Disconnect Clutch
Group 20 – Power Shift Transmission
Group 25 – Differential
Group 30 – Final Drive
Group 35 – Syncro-Range PTO
Group 40 – Power Shift PTO
Group 45 – Power Front-Wheel Drive

SECTION 60 – STEERING AND BRAKES

Group 05 – General Information

SECTION 70 – HYDRAULIC SYSTEM

Group 05 – General Information, Diagnosis, and Tests
Group 10 – Main Reservoir, Filters, Valves, Oil Cooler, and Oil Reservoir
Group 15 – Hydraulic Pumps
Group 20 – Power Steering
Group 25 – Power Brakes
Group 30 – Rockshaft and Implement Hitches
Group 35 – Selective Control Valve, Breakaway Couplers, and Remote Cylinders

SECTION 80 – MISCELLANEOUS

Group 05 – Conventional Front Axle
Group 10 – Power Front Wheel Drive Axle

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John Deere 4620 is a 2WD or 4WD row-crop tractor manufactured by John Deere in Waterloo, Iowa, the USA from 1971 to 1972. The John Deere 4620 is equipped with a 6.6 L (404.0 cu·in) six-cylinder diesel engine and one of two transmissions: a partially synchronized transmission with dry disc clutch and 8 forward and 2 reverse gears or a full powershift transmission with hydraulic wet disc clutch and 8 forward and 4 reverse gears.

The John Deere 4620 row-crop tractor used the John Deere engine. It is a 6.6 L, 6,620 cm2, (404.0 cu·in) six-cylinder turbocharged inter-cooled diesel engine with 108.0 mm (4.25 in) of the cylinder bore and 121.0 mm (4.76 in) of the piston stroke.

The compression ratio rating is 16.4:1. This engine produced 137 PS (100.7 kW; 135.0 HP) at 2,200 rpm of output power.

JOHN DEERE 4620 TRACTOR Service Repair Manual
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