John Deere Series 4050 4250 4450 4650 4850 Tractor Shop Service Manual




John Deere Series 4050 4250 4450 4650 4850 Tractor Shop Service Manual Download
Make: John Deere
Pages: 170 pages
Format: PDF
Size: 40.4MB
Language: English
Requirements: Adobe PDF Reader & WinZip
Compatibility: All Versions of Windows & Mac/IPAD

This shop manual includes full service and repair information, maintenance and troubleshoot instructions, detailed wiring circuits and diagrams, designed to serve tractors following models:

  • John Deere 4050,
  • John Deere 4250,
  • John Deere 4450,
  • John Deere 4650,
  • John Deere 4850.

Shop manual describes the technical characteristics of tractors John Deere, step by step instructions and customer service and other additional repair information.
Program is designed to work on a personal computer, and has a nice and convenient interface. This program comes in PDF. For work with manual you need to install the application Adobe PDF Reader.

Table of Contents

Bleeding, Brake accumulator, Brake pistons, plates and discs, Brake valve, Operation and adjustment

Traction clutch (Perma-Clutch), Traction clutch (Pwer Shift)

Cooling System
Fan and viscous clutch, Radiator, Thermostats, Water pump

Diesel System
Adjustment, Filter and bleeding, Injection pump, Injector nozzles, Static timing


Differential Lock

Electrical System
Alternator and regulator, Electrical diagrams, Investigator II Warning System, Starting motor

Assembly, R&R, Camshaft and bearings, Connecting rods and bearings, Crankshaft and bearings, Cylinder head, Cylinder sleeves, Engine break-in procedure, Flywheel, Oil cooler, Oil pump, Piston pins, Pistons and rings, Rocker arms, Rod and piston units, Timing gear cover, Timing gears, Valve adjustment, Valves, seats and valve guides, Valve spring and rotators

Final Drive
Planetary, High clearance

Front System

Front-Wheel Drive
ZF Axle, John Deer Axle

Hydraulic System
Control valves, Hydracushioned seat, Main hydraulic pump, Main hydraulic system, Rockshaft housing, Selective control valve

Power Steering System
Metering pump and steering column, Operation, Steering motor, Steering valve, Troubleshooting

Power Take-Off

Power shift, Quad-range



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