Part of the Doosan Repair Manuals.
This is the factory shop manual for the Doosan DX62R-3 reduced tail swing and DX63-3 excavators, serial 1001 and up, publication 950106-01085E, covering 2011-2016 machines in the 6 metric ton class. It covers the Yanmar 4TNV94L diesel, the hydraulic system from the 132 l/min pump down to individual spool clearances, swing and travel drives, undercarriage, and full electrical schematics. You get the numbers a dealer tech works from: LS relief at 235 kg/cm2 (3,342 psi), system pressure at 255 kg/cm2 (3,627 psi), torque specs, disassembly steps with photos, and troubleshooting trees. Nine sections total: Safety, Specifications, General Maintenance, Upper Structure, Lower Structure and Chassis, Engine and Drivetrain, Hydraulics, Electrical System, and Attachments.
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| Safety | 5-72 | Safety Precautions, Decals, Lifting and Towing |
| Specifications | 73-108 | Machine and Engine Specifications, Working Ranges, Digging Forces, Weights, Capacities |
| General Maintenance | 109-146 | Service Intervals, Fluids and Lubricants, Filters, Standard Torques |
| Upper Structure | 147-174 | Cab, Counterweight, Swing Bearing and Swing Motor, Fuel and Hydraulic Tanks |
| Lower Structure and Chassis | 175-210 | Track Frame, Travel Motor, Idler, Rollers, Track Chain, Dozer Blade |
| Engine and Drivetrain | 211-678 | Yanmar 4TNV94L: Removal, Overhaul, Cooling, Fuel System, Air Intake |
| Hydraulics | 679-1012 | Main Pump, Control Valve, Cylinders, Center Joint, Accumulator, Pressure Tests and Adjustments, Hydraulic Schematics |
| Electrical System | 1013-1156 | Wiring and Electrical Schematics, Sensors, Switches, Gauges, Starting and Charging |
| Attachments | 1157-1182 | Bucket, Breaker Piping and Optional Attachment Hydraulics |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Engine Model | 4TNV94L | p. 94 |
| Maximum Torque | 21.1 kg·m (207 Nm) @ 1,400 rpm | p. 94 |
| Fuel Tank Capacity | 78 liters (21 U.S. gal.) | p. 94 |
| Hydraulic Oil Capacity (Tank Level) | 65 liters (17.2 U.S. gal.) | p. 94 |
| Hydraulic Oil Capacity (Full) | 83 liters (22 U.S. gal.) | p. 94 |
| Hydraulic Oil Capacity (System) | 111 liters (29.3 U.S. gal.) | p. 94 |
| Maximum Discharge Quantity (Hydraulic Pump) | 132 liter/min (34.8 U.S. gpm) (at 2,200 rated rpm) | p. 94 |
| LS Relief Set Pressure | 235 kg/cm² (3,342 psi) | p. 94 |
| System Pressure (Working/Traveling) | 255 kg/cm² (3,627 psi) | p. 94 |
| Swing Speed | 9.4 rpm | p. 95 |
| Gradeability | 30° (58% slope) | p. 95 |
| Track Shoe Width | 400 mm (1' 4") | p. 95 |
| Digging Capability (Bucket STD SAE, 1.6 m (5' 3") Arm) | 3,950 kg (38.8 kN) | p. 95 |
| Digging Capability (Arm STD SAE, 1.6 m (5' 3") Arm) | 2,840 kg (27.9 kN) | p. 95 |
| Digging Capability (Bucket STD ISO, 1.6 m (5' 3") Arm) | 4,410 kg (43.3 kN) | p. 95 |
