
John Deere JD350 Track Loader Workshop Manual PDF SM2063
- Manual Included:
- Service Manual : 520 Pages (SM2063)
- Specifications:
- Brand: John Deere
- Model: 350, 350B
- Type: Crawler
- Manuals: Service Manual
- Publication Numbers: SM2063 (Service)
- Language: English
- Format: PDF

The John Deere JD350 Track Loader Service Repair Manual is the complete factory guide for servicing, troubleshooting, and repairing your machine. It includes detailed instructions for the engine, transmission, hydraulic system, steering, brakes, electrical system, and undercarriage, along with wiring diagrams, technical specifications, and exploded component illustrations.
Section Summary
| Category | Covered Topics |
|---|---|
| Foreword | Manual introduction |
| General | Description, specifications |
| Tractor Separation | Engine, reverser, final drive, steering clutch, transmission, loader |
| Lubrication | Timetable, chart |
| Tune-Up | Engine, tractor, loader adjustments |
| Basic Engine | Cylinder head, block, crankshaft, camshaft, timing gear train |
| Lubrication | Oil pump, filter |
| Governor/Speed Control | Governor, linkage |
| Cooling | Radiator, water pump, thermostat |
| Fuel System | Tank, transfer pump, filters, carburetor, injection pumps |
| Electrical | Alternator, ignition, starters, battery, wiring diagrams |
| Clutch | Assembly, controls, housing |
| Transmission | Operation, shifter, output shaft, input shaft |
| Hydraulic Reverser | Description, servicing |
| Final Drives/Steering/Brakes | Final drives, steering clutches, brakes |
| Power Steering | Pump, cylinders, reservoir |
| Track System | Tracks, carrier assemblies |
| PTO/Winch/Belt Pulley | PTO and winch drive |
| Power Winch (3315) | Hydraulic pump, housing, fairlead |
| Manual Winch (3310) | Control valve, housing, fairlead |
| Hydraulic System | Pump, control valve, cylinders, circuit diagrams |
| Loader | Frame, boom, buckets, 3-point hitch |
| Troubleshooting | Problem diagnosis |
| Special Tools | Service tools |
| Index | Quick reference |
Table of Contents – Service Manual
Foreword
- About This Manual
General Information
- Description
- General Specifications
Tractor Separation
- Engine Removal and Installation
- Direction Reverser Case or Clutch Housing Removal and Installation
- Final Drive Removal and Installation
- Steering Clutch Removal and Installation
- Transmission Removal and Installation
- Loader Removal and Installation
Periodic Lubrication
- Lubrication Timetable
- Lubrication Chart
Engine Tune-Up and Tractor Adjustment
- Purpose of Tune-Up and Adjustment
- Engine Tune-Up
- Tractor Adjustment
- Loader Adjustment
Basic Engine
- Description
- Cylinder Head, Valves, and Related Parts
- Cylinder Block, Cylinder Liners, Pistons, and Connecting Rods
- Crankshaft, Main Bearings, and Flywheel
- Camshaft
- Engine Timing Gear Train and Cover
- Engine Specifications
Engine Lubrication System
- Oil Pump and Filter
Governor and Speed Control Linkage
- Governor
- Speed Control Linkage
Engine Cooling Systems
- Description and Servicing
- Radiator, Pressure Cap, and Fan Assembly
- Water Pump and Thermostat
Fuel Systems
- Description and Fuel Specifications
- Fuel Tank
- Fuel Transfer Pump and Fuel Filters
- Air Cleaner
- Carburetor (Marvel-Schebler)
- Fuel Injection Pumps
- Diesel Injection Nozzles
Electrical System
- Fundamentals of Alternator Charging Circuits
- Electrical Tests on the Tractor
- Alternator (Motorola) – Tractors up to 15484
- Alternator (Motorola) – Tractors 15485 and Up
- Ignition System (Gasoline Tractors)
- Starters
- Battery
- Wiring Diagrams
- Specifications
Engine Clutch
- Engine Clutch Assembly
- Engine Clutch Controls and Clutch Housing
Transmission
- Description and Operation
- Shifter Mechanism
- Transmission Rear Cover
- Output Shaft, Ring Gear, and Hub Assembly
- Transmission Input Shaft, Powershaft, and Transmission Case
- Transmission Specifications
Hydraulic Direction Reverser
- Description and Operation
- Servicing the Hydraulic Direction Reverser
- Direction Reverser Specifications
Final Drives, Steering Clutches, and Brakes
- Description and Adjustment
- Final Drives
- Steering Clutches and Brakes
- Steering Clutch Pressure Plate
- Specifications
Power Steering System
- Description and Operation
- Power Steering Pump
- Power Steering Cylinders
- Power Steering Reservoir
Track System
- Description and Adjustment
- Tracks
- Track Carrier Assemblies
- Track System Specifications
Power Take-Off, Winch Drive, and Belt Pulley
- Power Take-Off and Winch Drive Unit
No. 3315 Power Winch
- Description and Operation
- Winch Hydraulic Pump, Control Valve, and Filter
- Winch Housing and Component Parts
- Winch Fairlead Assembly
- Winch Specifications
No. 3310 Manual Winch
- Description and Operation
- Winch Control Valve and Accumulator
- Winch Housing and Component Parts
- Winch Fairlead Assembly
- Specifications
Hydraulic System
- Hydraulic Pump
- Hydraulic Pump (23 GPM)
- Loader Control Valve
- Hydraulic Cylinders
- Hydraulic Circuit Diagrams
- Testing the Loader Hydraulic System
- Hydraulic Components
Loader Main Frame, Boom, Buckets, and Hitches
- Loader Main Frame and Boom
- Digging Bucket
- Drott 4-in-1 Bucket
- 3-Point Hitch and Cylinders
Troubleshooting
- Index to Difficulties
Special Service Tools
- Description
Index