John Deere 425, 445 and 455 Lawn Garden Tractors Technical Manual
John Deere Repair Manual
Table of Contents (Technical Manual TM1517)
- SAFETY
- SPECIFICATIONS AND INFORMATION
- ENGINE
- DIESEL ENGINE
- ELECTRICAL
- HYDROSTATIC POWER TRAIN
- STEERING
- BRAKES
- HYDRAULICS
- MISCELLANEOUS
✅ Official John Deere 425, 445, 455 Technical Service Manual
Looking for the John Deere 425, 445, or 455 Lawn & Garden Tractor Technical Manual in downloadable PDF format? This factory-issued guide provides everything needed for professional maintenance, diagnostics, and full mechanical repair. Ideal for technicians, owners, and DIY mechanics.
✅ Engine Repair and Specifications
Includes detailed procedures for disassembly, inspection, and reassembly of the Kawasaki liquid-cooled engines used in the 425, 445, and Yanmar diesel in the 455. Provides torque values, valve clearance specs, and engine troubleshooting.
✅ Transmission & Hydrostatic Drive Service
Covers transmission service procedures, linkage adjustments, hydraulic drive troubleshooting, and fluid specifications to maintain smooth operation.
✅ Electrical System Diagnostics
Step-by-step wiring diagrams, key switch testing, lighting circuits, charging system diagnostics, and battery maintenance instructions.
✅ Steering and Power Steering Adjustment
Explains how to troubleshoot, disassemble, and repair manual and power steering systems, including sector gear alignment and hydraulic pump checks.
✅ Mower Deck and PTO Systems
Full service instructions for 48”, 54”, and 60” mower decks. Includes blade removal, deck leveling, belt routing diagrams, and PTO clutch testing.
✅ Fuel System Maintenance (Gasoline & Diesel)
Describes the fuel system operation for both gasoline (425, 445) and diesel (455) models. Covers injector pump timing, fuel filter replacement, and carburetor/fuel injection system checks.
✅ Cooling System Servicing
Guidance for radiator flushing, thermostat testing, water pump replacement, and cooling fan repair for optimal temperature control.
✅ Troubleshooting Charts & Diagnostic Codes
Quick-access flowcharts to identify common problems with starting, driveability, overheating, and electrical malfunctions.
✅ OEM Factory Specs & Torque Charts
Accurate John Deere technical data, including fastener torque, oil capacities, and component wear limits—straight from the manufacturer.
