Part of the John Deere Repair Manuals.
All 682 pages of this John Deere 35D Technical Manual (OEM TM2263) cover one pair of machines: the 35D and 50D mini excavators, from engine to undercarriage. Inside you get complete wiring diagrams for every harness on both models, from the Main Harness (W8) through the Cab, Engine, and A/C Compressor harnesses, each paired with component location diagrams and a master legend. You also get full hydraulic schematics covering the 35D and 50D separately, pilot system diagrams, and a structured troubleshooting section stepping through dig circuit faults, swing malfunctions, and travel system failures. Set engine valve lash to 0.15–0.25 mm cold, hold battery voltage between 10 and 14 volts, and cap cooling system pressure at 90 kPa. No more forum guesses when the machine sits dead. Bookmarked and searchable; pull up any spec by keyword and get back to wrenching.
What's Inside This John Deere 35D, 50D Manual
| System | Pages | Key Topics |
|---|---|---|
| General Information | 7-22 | Group 01 |
| Operational Checkout Procedure | 23-50 | Group 10, Operational Checkout Procedure (Ignition Off, Engine Off Checks, Ignition on, Engine on Checks), Operational Checkout, Ignition Off |
| Engine | 51-99 | Group 05, Theory of Operation (Engine Component Location, Cooling System, Engine Lubrication System, Engine Fuel System Operation), Group 15 |
| Electrical Diagram Information | 101 | Explanation of Wire Markings |
| System Functional Schematic Diagram | 102 | Key Switch, Battery, Starter Motor, Alternator, Fuses, Relays |
| System Functional Schematic | 103 | Power Supply, Ground Wires, Component Identification, Continuity Chart, Routing Location Information |
| Wiring Diagram | 104 | Splice Identification Number, Connector Pin Legend, Wire Number, Wire Color, Harness Branch, Connector End View |
| Component Location Diagram | 105-106 | Electrical Components, Connectors, Harness Main Ground Locations, Harness Band, Clamp Location |
| Electrical Schematic Symbols | 107-108 | Battery, Fuse, Relay, Switch, Motor, Sensor |
| Fuse (Blade-Type) Color Codes | 109-110 | Amperage Rating, Color |
| Fuse Specifications | 111 | Horn, Monitor, Safety Start, Work Lights, Travel Speed Selector, Glow Plug |
| System Functional Schematic, Wiring Diagrams, and Component Locations Master Legend | 112-432 | Fuel Shutoff Pull-In Coil Timer, Monitor Controller and Display, Auto-Idle Controller, Travel Alarm Controller, Heating and Air Conditioner Controller, Fuel Level Sensor |
| Power Train | 433-445 | Group 05, Theory of Operation (Track Adjuster and Recoil Spring, Travel Gearbox Operation), Group 15 |
| Hydraulic System | 446 | Group 05 |
| Heating and Air Conditioning | 655-670 | Group 05, Theory of Operation (Air Conditioning System Cycle of Operation), Group 15 |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| Battery Voltage | 10—14 volts | p. 414 |
| Engine Valve Lash (cold) Clearance | 0.15—0.25 mm | p. 83 |
| Air Intake System Pressure | 14—21 kPa | p. 91 |
| Cooling System Maximum Pressure | 90 kPa | p. 92 |
| Engine Compression Pressure | 3324—3530 kPa | p. 94 |
| Engine Oil Pressure at Fast Idle | 296 kPa | p. 95 |
| Fuel Level Sensor Resistance (tank empty) | 90 ohms | p. 404 |
| Engine Coolant Temperature Switch (Closes) Temperature | 110°C | p. 404 |
| Travel Speed Solenoid Resistance | 10—15 ohms | p. 404 |
| 35D | ||
| Pilot Pressure Regulating Valve at Fast Idle, 35D | 3900—4900 kPa | p. 627 |
| 50D | ||
| Pilot Pressure Regulating Valve at Fast Idle, 50D | 6100—7100 kPa | p. 627 |
