John Deere 4120, 4320, 4520 and 4720 Compact Utility Tractors without Cab Technical Manual (TM2137)

Illustrated factory Technical Manual for John Deere Compact Utility Tractors Models 4120, 4320, 4520 and 4720 without Cab.

This manual will assist you in diagnosing, and repairing for your compact utility tractor.
You can use a Windows, Mac, or Android device to view this manual. You only need to have a PDF reader installed.

Covered Models:
   4120
   4320
   4520
   4720

Format: PDF, 781 pages
Language: English
Publication Date: 29 Jul 2005
Table of Contents:
   Introduction
      Manual Description
   Safety
      Safety
   Specifications & Information
      General Specifications
      Ring Seal Service Recommendations
      Fuels and Lubricants
      Coolant Specifications
      Serial Number Locations
   Engine - Diesel
      Specifications
      Tools and Materials
      Theory of Operation
      Theory of Operation (Air and Fuel)
      Diagnostics
      Tests and Adjustments
      Repair
      Cylinder Head and Valves
      Cylinder Block, Pistons, and Rods
      Crankshaft, Main Bearings and Flywheel
      Camshaft, Balancer Shafts and Timing Gear Train
      Lubrication System
      Cooling System
      Air Intake and Exhaust System
      Fuel System
      Starting and Charging Systems
   Electrical
      General Information
      Specifications
      Component Location
      Schematics and Harnesses
      Troubleshooting
      Operation and Diagnostics
      Tests and Adjustments
      Repair
   Electrical - European
      Specifications
      Component Location
      Schematics and Harnesses
      Troubleshooting
      Operation and Diagnostics
   Power Train - PRT
      Specifications
      Component Location
      Theory of Operation
      Tests and Adjustments
      Repair
   Power Train - Hydrostatic
      Specifications
      Component Location
      Schematics
      Theory of Operation
      Diagnostics
      Tests and Adjustments
      Repair
   Power Train - Final Drive
      Specifications
      Component Location
      Theory of Operation
      Diagnostics
      Tests and Adjustments
      Repair
      PTO Theory of Operation
      PTO Repair
   Hydraulics
      Specifications
      Component Location
      Schematics & Harnesses
      Theory of Operation
      Diagnostics
      Tests and Adjustments
      Repair
   Steering
      Specifications
      Component Location
      Theory of Operation
      Diagnostics
      Tests and Adjustments
      Repair
   Brakes
      Specifications
      Component Location
      Theory of Operation
      Diagnostics
      Tests and Adjustments
      Repair
   Miscellaneous
      Specifications
      Repair
      Group O