Part of the Hitachi Repair Manuals.
Complete factory library for the Hitachi EX60-5 and the ultra-short-swing EX75UR-3 / EX75URLC-3: Technical Manual with per-model specifications, control/hydraulic/electrical system theory and component operation, full circuit diagram and harness set, Operational Performance Test standards, structured Troubleshooting, and the Workshop Manual covering upperstructure, undercarriage, front attachment and the Nissan diesel.
What's Inside This Repair Manual
| System | Pages | Key Topics |
|---|---|---|
| General & Machine Specifications | 5-34 | Machine and Engine Specifications per Model (EX60-5 / EX75UR-3 / EX75URLC-3), Component Layout, Component Specifications |
| Control, Hydraulic & Electrical System | 35-106 | Control System and Front Control System Operation, Hydraulic System Circuits, Electrical System |
| Component Operation | 107-188 | Pump Device and Swing Device, Control Valve, Pilot Valve, Travel Device, Upperstructure and Undercarriage Components |
| Circuit Diagrams & Harness | 190-205 | Electrical Circuit Diagrams per Model, Hydraulic Circuit Diagrams (Incl. Blade), Cab and Engine Harness Routing |
| Operational Performance Tests | 208-273 | Performance Standards Tables, Engine and Excavator Tests, Component Tests and Adjustment |
| Troubleshooting | 274-431 | Troubleshooting Procedures A-D, Component Layout for Diagnosis, Electrical System Inspection |
| Workshop: General Information | 463-480 | Disassembly and Assembly Precautions, Maintenance Standards, Tightening Torque Tables |
| Workshop: Upperstructure | 481-728 | Cab, Counterweight, Main Frame, Pump Device, Control Valve, Swing Device Removal and Install, Pilot, Solenoid and Relief Valves |
| Workshop: Undercarriage | 729-828 | Swing Bearing and Travel Device, Center Joint and Track Adjuster, Front Idler, Rollers and Track |
| Workshop: Front Attachment | 829-898 | Boom, Arm and Bucket Removal and Install, Cylinder Disassembly and Seals |
| Workshop: Engine & Accessory | 899-1004 | Engine Removal and Installation, Radiator and Accessory Service |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| EX60-5 | ||
| Rated Power, EX60-5 | 41 kW (55 PS) at 2200 min⁻¹ | p. 7 |
| Max Torque, EX60-5 | 181 N·m (18.5 kgf-m, 135 lbf·ft) or more at 1500 min⁻¹ | p. 28 |
| Rated RPM, EX60-5 | 2200 min⁻¹ | p. 7 |
| Hydraulic Pump Flow (Main Pump) | 79.2 L/min (20.9 US gpm) | p. 30 |
| System Pressure (Swing Parking Brake Cracking Pressure), EX60-5 | 1.18 ± 0.15 MPa (12 ± 1.5 kgf/cm², 171 ± 21 psi) | p. 31 |
| Overall Length (1.62m Standard Arm Backhoe) | 6080 mm (19' 11") | p. 10 |
| Overall Length (1.62m Standard Arm Backhoe With Blade) | 6330 mm (20' 9") | p. 10 |
| Overall Length (1.62m Standard Arm Face Shovel) | 6080 mm (19' 11") | p. 10 |
| Overall Length (1.62m Standard Arm Face Shovel With Blade) | 6330 mm (20' 9") | p. 10 |
| Overall Length (2.12m Long Arm Backhoe) | 6120 mm (20' 1") | p. 10 |
| Overall Length (2.12m Long Arm Backhoe With Blade) | 6370 mm (20' 11") | p. 10 |
| Overall Length (2.12m Long Arm Face Shovel) | 6120 mm (20' 1") | p. 10 |
| Overall Length (2.12m Long Arm Face Shovel With Blade) | 6370 mm (20' 11") | p. 10 |
| Overall Width (Standard) | 2340 mm (7' 8") | p. 7 |
| Overall Width (With Blade) | 2390 mm (7' 10") | p. 7 |
| Overall Width of Upperstructure | 2255 mm (7' 5") | p. 7 |
| Undercarriage Width, EX60-5 | 2200 mm (7' 3") | p. 7 |
| Overall Height (Cab Height), EX60-5 | 2570 mm (8' 5") | p. 7 |
| Overall Height (Engine Cover Height), EX60-5 | *1690 mm (5' 7") | p. 7 |
| Overall Height (Transport Height, 1.62m Standard Arm Backhoe) | 2570 mm (8' 5") | p. 10 |
| Overall Height (Transport Height, 1.62m Standard Arm Face Shovel) | 2570 mm (8' 5") | p. 10 |
| Overall Height (Transport Height, 2.12m Long Arm Backhoe W/O Bucket) | 2690 mm (8' 10") | p. 10 |
| EX75UR-3 | ||
| Rated Power, EX75UR-3 | 40.5 kW (55 PS) at 2000 min⁻¹ | p. 8 |
| Rated RPM, EX75UR-3 | 2000 min⁻¹ | p. 8 |
| System Pressure (Control Valve Main Relief, Front and Swing) | 26.0 MPa (265 kgf/cm², 3770 psi) at 54 L/min | p. 30 |
| System Pressure (Control Valve Main Relief, Travel), EX75UR-3 | 22.6 MPa (230 kgf/cm², 3270 psi) at 48 L/min | p. 30 |
| System Pressure (Control Valve Overload Relief) | 27.9 MPa (285 kgf/cm², 4055 psi) at 20 L/min | p. 30 |
| System Pressure (Control Valve for Blade Main Relief) | 22.6 MPa (230 kgf/cm², 3270 psi) at 24 L/min | p. 31 |
| System Pressure (Control Valve for Blade Overload Relief) | 27.9 MPa (285 kgf/cm², 4055 psi) at 18 L/min | p. 31 |
| System Pressure (Travel Brake Valve Relief Pressure), EX75UR-3 | 28.9 MPa (295 kgf/cm², 4190 psi) at 40 L/min | p. 32 |
| System Pressure (Travel Parking Brake Cracking Pressure), EX75UR-3 | 0.78 MPa (8.0 kgf/cm², 115 psi) | p. 32 |
| System Pressure (7-Spool Solenoid Valve Specified Pressure) | 3.7 MPa (38 kgf/cm³, 54 psi) | p. 32 |
| Overall Length, EX75UR-3 | 6110 mm (20' 1") | p. 11 |
| Overall Width | 2280 mm (7' 6") | p. 8 |
| Undercarriage Width, EX75UR-3 | 2300 mm (7' 7") | p. 8 |
| Overall Height (Cab Height), EX75UR-3 | 2700 mm (8' 10") | p. 8 |
| Overall Height (Engine Cover Height), EX75UR-3 | 1705 mm (5' 7") | p. 8 |
| EX75URLC-3 | ||
| Rated Power, EX75URLC-3 | 40.5 kW (55 PS) at 2000 min⁻¹ | p. 9 |
| Rated RPM, EX75URLC-3 | 2000 min⁻¹ | p. 9 |
| System Pressure (Control Valve for Precise Swing Main Relief) | 21.6 MPa (220 kgf/cm², 3130 psi) at 24 L/min | p. 31 |
| System Pressure (Control Valve for Precise Swing Overload Relief) | 24.5 MPa (250 kgf/cm², 3560 psi) at 18 L/min | p. 31 |
| Overall Length, EX75URLC-3 | 6020 mm (19' 9") | p. 12 |
| Overall Width | 2280 mm (7' 6") | p. 9 |
| Undercarriage Width, EX75URLC-3 | 2300 mm (7' 7") | p. 9 |
| Overall Height (Cab Height), EX75URLC-3 | 2710 mm (8' 11") | p. 9 |
| Overall Height (Engine Cover Height), EX75URLC-3 | *1680 mm (5' 6") | p. 9 |
| EX75UR-3, EX75URLC-3 | ||
| Max Torque (EX75UR-3, EX75URLC-3) | 193 N·m (19.7 kgf-m, 142 lbf·ft) or more at 1800 min⁻¹ | p. 28 |
| Hydraulic Pump Flow (Main Pump 1) | 72 L/min (19 US gpm) | p. 30 |
| System Pressure (Swing Parking Brake Cracking Pressure) (EX75UR-3, EX75URLC-3) | 1.5 MPa (15 kgf/cm², 210 psi) | p. 31 |
| All Models | ||
| Coolant Capacity (Radiator) | 3.8 L (1.0 US gal) | p. 30 |
| Coolant Capacity (Oil Cooler) | 2.7 L (0.7 US gal) | p. 30 |
| Hydraulic Pump Flow (Pilot Pump) | 23.5 L/min (6.2 US gpm) | p. 30 |
| System Pressure (Swing Brake Valve Relief Pressure) | 25 MPa (255 kgf/cm², 3625 psi) at 63 L/min | p. 31 |
| System Pressure (Oil Cooler Bypass Check Valve Cracking Pressure) | 294 kPa (3.0 kgf/cm², 43 psi) at 5 L/min | p. 32 |
| EX75UR-3 (for blade), EX75URLC-3 (for precise swing) | ||
| Hydraulic Pump Flow (Main Pump 2) | 24.2 L/min (6.4 US gpm) | p. 30 |
| EX60-5, EX75URLC-3 | ||
| System Pressure (Control Valve Main Relief, Front and Swing) | 26.0 MPa (265 kgf/cm², 3770 psi) at 54 L/min | p. 30 |
| System Pressure (Control Valve Main Relief, Travel) (EX60-5, EX75URLC-3) | 31.4 MPa (320 kgf/cm², 4550 psi) at 42 L/min | p. 30 |
| System Pressure (Control Valve Overload Relief) | 27.9 MPa (285 kgf/cm², 4055 psi) at 20 L/min | p. 30 |
| System Pressure (Travel Brake Valve Relief Pressure) (EX60-5, EX75URLC-3) | 31.9 MPa (325 kgf/cm², 4620 psi) | p. 32 |
| System Pressure (Travel Parking Brake Cracking Pressure) (EX60-5, EX75URLC-3) | 0.88 MPa (9.0 kgf/cm², 128 psi) | p. 32 |
