Hitachi EX8/EX12/EX15/EX22/EX30 Excavator Technical Manual (P/N KM580E-01 T580-01)
Hitachi Models Covered & Key Technical Specifications
Models: Hitachi EX8, Hitachi EX12, Hitachi EX15, Hitachi EX22, Hitachi EX30
Sub-models / Variants: Canopy type, Cabin type, Rubber shoe, Grouser shoe, Triangular track
Model Years: 2001
Serial Numbers: KM580E-01
Technical Data:
- Engine: Kubota Z482-B (EX8), Isuzu 3KC1 (EX12/EX15), Isuzu 3KR1/3KR2 (EX22/EX30)
- Engine power output: 5.9 kW to 22.1 kW depending on model
- Operating weight: 740 kg to 2830 kg
- Bucket capacity: 0.024 m³ to 0.092 m³
- Travel speed: 2.2 km/h to 4.2 km/h
- Gradeability: 30° (tan θ = 0.58)
- Ground pressure: 0.2 bar to 0.29 bar
Hitachi Manual Features & Content Preview
- Covers the 2001 Hitachi EX8, EX12, EX15, EX22, and EX30 excavators in both canopy and cabin configurations with variable track types
- Official Hitachi technical manual, publication number KM580E-01, dated 2001
- Features 730 pages of detailed component breakdowns, system illustrations, and comprehensive machine specification matrices
- Provides the baseline engineering and hydraulic system data necessary for analyzing EX-series excavator performance throughout its service life
Component and System Documentation
This 2001 technical manual acts as a definitive reference for the heavy-duty machinery lineup. It delivers clear insights into the upperstructure and undercarriage assemblies. You will find exhaustive documentation on the construction of the hydraulic tank, pump device, swing motor, and control valve assemblies for each model variant. Working on heavy machinery and high-pressure hydraulics carries inherent physical risks. Always consult a certified technician and verify all system reliefs before loosening any lines or fittings. Illustrations for the hydraulic system, swing gear, and travel device provide a visual guide for the mechanical layout. Specific chapters pinpoint component locations, swing bearing geometry, and the precise function of the pilot and lock valves. This level of detail directly accelerates diagnostic work in a busy shop setting.
Specification and Performance Data
Reference tables map out machine dimensions, operational weights, and working ranges, allowing direct comparison across the EX-series from the compact EX8 to the EX30. Having precise factory numbers is critical before undertaking any major structural repair. Engine performance charts list output in kW and rpm, while the service refill capacities table specifies exact fluid volumes. The Hitachi EX30 hydraulic system capacity is 50.0 liters, and its swing internal gear oil capacity is 3.3 liters. The EX8 engine coolant capacity stands at 2.3 liters. Additional data includes ground pressure specs, load lifting capacity charts (SAE J1097 standards), and lubricant grade recommendations for varying operating temperatures. These matrices eliminate guesswork, ensuring your maintenance operations consistently meet factory tolerances.
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