Part of the Doosan Repair Manuals.
Searching for a Doosan DX85R-3 shop manual PDF that actually covers the whole machine? All 916 pages of this factory shop manual (OEM #950106-01030E) walk you through the DX85R-3 excavator, from swing bearing and cabin to travel device and bucket. Inside: full hydraulic schematics for the main pump, control valves, and swing circuit, complete electrical diagrams covering starting, charging, and engine control, plus exploded views and a standard torque section that ends fastener guesswork. You get real factory test numbers, not approximations. Set the LS relief at 285 kg/cm2 (4,054 psi), main system pressure at 300 kg/cm2 (4,267 psi), and replace track pins once clearance passes 2.0 mm. Your excavator is down, and forum threads won't lift it. Bookmarked with a full text layer: search any spec, jump to any section, get wrenching.
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| Safety | 5-72 | Track Excavator Maintenance Safety |
| Specifications | 73-96 | Specification for DX85R-3 |
| General Maintenance | 97-134 | Standard Torques |
| Upper Structure | 135-162 | Cabin, Swing Bearing |
| Lower Structure and Chassis | 163-208 | Track Assembly |
| Engine and Drivetrain | 209-468 | Engine, Drive Coupling |
| Hydraulics | 469-812 | Accumulator, Center Joint, Cylinders, Swing Device, Travel Device, Main Pump, Main Control Valve, Remote Control Valve |
| Electrical System | 813-890 | Electrical Supply System, Engine Starting, Engine Preheating System, Charging System, Instrument System, Engine Control System |
| Attachments | 891-916 | Boom and Arm, Bucket |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| LS Relief Set Pressure | 285 kg/cm2 (4,054 psi) | p. 88 |
| System Pressure (Working/Traveling) | 300 kg/cm2 (4,267 psi) | p. 88 |
| Steel Track Pin Clearance Standard | 0.29 mm | p. 176 |
| Steel Track Pin Clearance Limit | 2.0 mm | p. 176 |
| Bolt tightening torque | 14 kg•m (101.26 ft lb) | p. 205 |
| Engine Rated Output (Net) | 43.6 kW | p. 88 |
| Fuel Tank Capacity | 110 liters | p. 88 |
| Hydraulic System Pressure (Working/Traveling) | 300 kg/cm2 | p. 88 |
| Swing Speed | 9.5 rpm | p. 88 |
| Travel Speed (High) | 4.7 km/h | p. 88 |
| Main Relief Pressure | 300 kg/cm2 | p. 92 |



















