John Deere 335 435 Log Loaders Technical Manual (TM1875)
This manual contains high quality images, diagrams, instructions to help you to operate, maintenance, diagnostic, and repair your truck.
- Manual Included:
- Technical Manual: 442 Pages
- Specifications:
- Brand: John Deere
- Model: 335 and 435
- Serial Number:(S/N -001001- 001007)(S/N -001002- 001043)
- Type: Log Loader
- Manuals: Technical Manual
- Publication Numbers: TM1875
- Language: English
- Format: PDF
John Deere 335 (SN: 001001-001007) and 435 (SN: 001002-001043) Log Loaders Technical Manual (TM1875)

Section Summary
| Category | Covered Topics |
|---|---|
| Foreword | Manual introduction |
| Safety | Safety rules and precautions |
| Theory of Operation | Hydraulic, electrical, and HVAC system operation |
| Specifications | General specs and lubrication |
| Test Procedures | General info, hydraulic and electrical testing |
| Hydraulic System | Component locator, bleeding, schematics, servicing |
| Electrical System | Schematics, connectors, circuit breakers, relays |
| Troubleshooting | Engine, electrical, hydraulic, and HVAC diagnostics |
| Maintenance and Repair | Power unit, HVAC, hydraulics, booms, grapple |
| Cab | Component locator, seat, electrical, environment, windows, wipers |
| Appendix A | S240 / S260 / S261 Slashers – maintenance, hydraulics, electrical, troubleshooting |
| Appendix B | D250 Delimber – maintenance, hydraulics, electrical, troubleshooting |

John Deere 335 435 Log Loaders Technical Manual
Table of Contents – Service Manual
Foreword
- About This Manual
Safety Rules
- Important Safety Information
Theory of Operation
- Hydraulic System Description and Operation
- Electrical System Description and Operation
- Heater / Air Conditioner Description and Operation
Specifications
- General Specifications
- Lubrication Guidelines
Test Procedures and Adjustments
- General Information
- Hydraulic System Testing
- Electrical System Testing
Hydraulic System
- Hydraulic System Component Locator
- Bleeding the Hydraulic System
- Pilot Shutoff Valve
- General Servicing Notes
- 435 Main Boom Lowering Data
- Hydraulic System Schematic – Model 335
- Hydraulic System Schematic – Model 435
Electrical System
- Electrical Schematic
- Connectors
- Circuit Breaker and Relay Component Locations
- Electrical Components and Connectors
Troubleshooting
- General Information
- Engine Diagnostics
- Electrical System Diagnostics
- Hydraulic System Diagnostics
- Heater / Air Conditioner Diagnostics
Maintenance and Repair
- Power Unit and Auxiliary Systems
- Heater / Air Conditioner
- Hydraulic Systems
- Booms, Grapple, and Heel
Cab
- Cab Component Locator
- Operator’s Seat
- Cab Electrical Equipment
- Cab Environment
- Windows – Description and Operation
- Servicing the Wipers
- Cleaning the Windows
Appendix A – Model S240 and S260/S261 Slashers
- A-1: Lubrication and Maintenance
- A-2: Hydraulic System
- A-3: Electrical System
- A-4: Troubleshooting
Appendix B – Model D250 Delimber
- B-1: Lubrication and Maintenance
- B-2: Hydraulic System
- B-3: Electrical System
- B-4: Troubleshooting



