1998-2003 Hitachi EX75UR-5 / EX75US-5 Hydraulic Excavator Technical Manual

Shop manual for Hitachi EX75UR-5 / EX75US-5 excavators, covering operational principles and troubleshooting. Includes complete component specifications and system diagrams. Part Number TO197E-00.

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Document Details

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Document Number / Seller:
31008 / Matthew Rodriguez
File Size:
21.92 MB
File Type:
PDF
Language:
English
Pages:
987
Printable:
Yes
Category:
Excavator
Last updated / verified
Dec 22, 2025

Models Covered & Key Technical Specifications

Hitachi EX75UR-5 / EX75US-5 Hydraulic Excavator Technical Manual (Operational Principle) 1998-2003 Transmission-Guide Technical reference for Hitachi EX75UR-5 / EX75US-5 excavators including operational principles. | Consolidated Handbook.

  • Approved Cycle Rate: 10 min-1 establishes the minimum swing operational throughput Parameters.
  • Baseline Rotation Data: For optimal function, 405 mm establishes the minimum ground clearance Framework.
  • Primary Specific Temperature Range: 82 °C -- signifies the optimal engine coolant threshold Threshold.
  • General Technical Resolution Data: The formatter board requires 105 mm for standard operation Topology.
  • Essential Alignment Specs: The formatter board requires 30 µm for standard operation Standards.
  • Operational Output Performance: 1.62 m establishes the maximum digging reach Topology.

Professional Workshop Service Manual & Technical Specifications

Hitachi EX75UR-5 / EX75US-5 Hydraulic Excavator Technical Manual: Hitachi EX75UR-5 / EX75US-5 Hydraulic Excavator Technical Manual (Operational Principle) 1998-2003

Machine-Range: EX75UR-5 / EX75US-5 (1998-2003) // Engine-Type: ISUZU A-4JG1 // Product-Line: Hydraulic Excavator. Fundamentally calling for the comprehensive framework for understanding hydraulic and engine systems. The manual details operational principles, component layouts, and electrical systems.

Component Value Context
Engine ISUZU A-4JG1 40.5 kW / 1900 min-1
Operating Weight 8000 kg (17600 lb) EX75UR-5
Max Digging Reach 6430 mm (21’ 1”) EX75UR-5 (1.75 m Arm)
Ground Pressure 34.5 kPa (0.35, 5.0) EX75UR-5
Travel Speed 4.5/2.9 km/h (2.8/1.8 mph) Fast/Slow Speed

The service manual covers the following systems:

Hydraulic System

Electrical System

Component Operation

Operational Performance Test

Safety Information

This technical manual provides a comprehensive overview of the Hitachi EX75UR-5 and EX75US-5 hydraulic excavators, detailing their hydraulic, electrical, and component systems for optimal understanding and maintenance.

FAQ

What **necessary** electrical values are detailed for system diagnostics? keyboard_arrow_down

24 V is specified for the battery system, with a 10 A rating for the general purpose relay and a 100 A rating for the battery relay, critical for monitoring and control.

Determine the **recommended** calibration settings for the EC sensor. keyboard_arrow_down

0.3 to 1.0 V is the specified range for the EC sensor during slow idle, indicating optimal engine speed control.

What **calibrated** clearance measurements are essential for engine service? keyboard_arrow_down

0.4 mm is the specified valve clearance for both intake and exhaust, critical for maintaining proper engine compression pressure.

Check the **applicable** torque specifications for critical components. keyboard_arrow_down

201 N·m is the maximum output torque specified for the engine at 1600 min-1, crucial for ensuring peak operational performance.

What does the **exact** safety precautions manual cover? keyboard_arrow_down

Pages 158-185 provide detailed safety information, including guidance on handling hazardous materials, operating procedures, and emergency response, ensuring operator safety.

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This manual is incredibly detailed and has been a lifesaver for our maintenance team. The troubleshooting section is particularly useful!