Hitachi EX75UR-5 / EX75US-5 Hydraulic Excavator Technical Manual (Operational Principle) 1998-2003
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Sample pages from the Hitachi EX75UR-5 / EX75US-5 Hydraulic Excavator Technical Manual (Operational Principle) 1998-2003 manual
Purchase Information
Technical Specifications
- Document Number / Seller:
- 31008 / Matthew Rodriguez
- File Size:
- 21.92 MB
- File Type:
- Language:
- English
- Pages:
- 987
- Printable:
- Yes
- Estimated Download Time:
- 0.45 Minutes
- Delivery Format:
- Digital (PDF) - Instant Access
- Category:
- Excavator
- Brand:
- Hitachi
- Reviewed and Approved:
- Dec 22, 2025
Hitachi Models and Parts Covered in this Excavator Manual
- EX75UR-5 (1998-2003)
- EX75US-5 (1998-2003)
Complete Manual Information
Hitachi EX75UR-5 & EX75US-5 Hydraulic Excavator – Technical Manual (Operational Principle)
Maximize the uptime and performance of your Hitachi 8-ton class excavators with this professional-grade Technical Manual (Operational Principle). This is the definitive engineering guide for technicians who need to understand the "how and why" behind every system on the EX75UR-5 and EX75US-5 models.
This manual isn't just a collection of diagrams; it provides a deep-dive into the operational logic, electronic controls, and hydraulic circuits that define these high-performance machines.
Models Covered:
- Hitachi EX75UR-5 (Offset Type Boom)
- Hitachi EX75US-5 (Standard Type Boom)
Why This Manual is a Must-Have:
- Comprehensive System Logic: Detailed explanations of the Main Controller (MC) which monitors and regulates all machine operations, including engine speed and pump displacement.
- Hydraulic Mastery: Covers the intricate 3-pump system, including the AP2D36LV1RS6 Main Pumps and the KVMM-80-HD Control Valve.
- Advanced Front Control (EX75UR-5 exclusive): Full technical details on the Auto-MARCCINO control unit, managing the complex Depth Limit and Cab Collision Prevention systems.
- Engine Technical Data: Complete specs for the ISUZU A-4JG1 engine, including injection timing, valve clearances, and performance curves.
Technical Highlights & Specifications:
- Engine: Isuzu A-4JG1, 4-cycle water-cooled, direct injection (Rated output: 53 Net HP @ 1900 rpm).
- Operating Weights:
- EX75UR-5: 17,600 lb (8,000 kg)
- EX75US-5: 15,400 lb (7,000 kg)
- Electronic Efficiency: Learn how the Auto-Idle and E-Mode systems reduce engine speed to 1200 rpm and 1800 rpm respectively to save fuel and reduce noise.
- Pressure Standards: Includes factory relief valve settings (Front Attachment: 3,770 psi / Travel: 4,550 psi).
Essential for Professionals:
This manual provides the "Operational Principle" foundation required for effective troubleshooting and workshop repairs. It includes the logic for the Engine Learning Control, which is mandatory after replacing the engine, control cable, or EC motor.
Instant Download: No waiting for shipping. Gain immediate access to the technical data you need to maintain your equipment to factory standards.
Download Instructions for Hitachi Excavator Manual
Frequently Asked Questions - Hitachi Excavator Manual
Is this manual suitable for beginners?
Yes, this Hitachi manual is designed for both professional technicians and DIY enthusiasts. It includes step-by-step procedures with clear illustrations and safety guidelines for Excavator maintenance and repair.
What file format will I receive?
You will receive this manual as a PDF file (21.92 MB), which is compatible with all devices. The manual is fully searchable and printable for your convenience.
How quickly can I access the manual after purchase?
You'll receive instant access to your Hitachi Excavator manual immediately after payment completion. The download link is valid for 3 days, with lifetime re-download guarantee.
Can I print specific sections of the manual?
Absolutely! This digital manual allows you to print any section you need, from individual pages to complete chapters, making it perfect for workshop use.
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