HY75 Hydraulic Excavator
Product Overview
Hiyo HY75C is a 7.35-ton small hydraulic excavator complying with China National IV emission standard, designed as a cost-effective workhorse for light earthmoving projects. Equipped with Isuzu 4JG3X engine and advanced load-sensing hydraulic system, this mini digger balances strong power, low fuel consumption and stable operation. Reinforced structural frames, upgraded operator cabin and DRD+EGR emission technology extend service life while meeting strict environmental rules. It adapts flexibly to narrow working spaces including municipal jobs, farmland renovation and landscaping, delivering reliable daily output to help operators boost profits.
| Item | Unit | Specification |
|---|---|---|
| Specifications | ||
| Product Model | / | HY75 |
| Operating Weight | kg | 7420 |
| Standard Bucket Capacity | m³ | 0.4 |
| Main Performance | ||
| Travel Speed (High/Low) | km/h | 4.8/2.9 |
| Swing Speed | rpm | 12.4 |
| Gradeability | ° | 35 |
| Ground Pressure | kPa | 33.3 |
| Bucket Digging Force | kN | 56 |
| Arm Digging Force | kN | 45 |
| Maximum Traction Force | kN | 64 |
| Engine | ||
| Model | / | WP3.2G50E436 |
| Type | / | Electronically Controlled High-Pressure Common Rail |
| Number of Cylinders | / | 4 |
| Rated Power | kW/rpm | 36.8kW/2200rpm |
| Displacement | L | 3.17 |
| Hydraulic System | ||
| Main Pump | / | FMP80BPS |
| System Pressure | MPa | 32 |
| Rated Flow | L/min | 168 |
| Fluid Capacities | ||
| Fuel Tank Capacity | L | 140 |
| Hydraulic Oil Tank Capacity | L | 95 |
| Coolant Capacity | L | 8 |
| Undercarriage & Travel System | ||
| Number of Track Shoes | / | 39 |
1. Key Highlights
- High efficiency & strong digging force
- Low fuel consumption (17% more economical)
- Upgraded hydraulic system
- Comfortable intelligent cab
- Large fuel tank for long working hours
2. Performance Advantages
① Powerful Engine
- Model: WP3.2G50E430
- Type: 4-cylinder water-cooled electronic injection
- Rated power: 36.8 kW @ 2200 rpm
- Displacement: 3.17 L
- Stable output & easy maintenance
② Upgraded Hydraulic System
- Main pump: FMP80BPS
- Rated pressure: 32 MPa
- Max flow: 168 L/min
- Main valve: FCV16AL43HS9 (120 L/min)
- Fast response, smooth operation, high efficiency
③ Optimized Structure & Durability
- Optimized stress distribution design
- Fuel economy improved by 17%
- Digging force increased by 15%
- Patented wear-resistant bucket
- Bucket capacity: 0.35 m³
- Fuel tank: 140 L for long-time working
④ Intelligent Comfort Cab
- Intelligent touch display (Bluetooth, A/C, USB, radio)
- Premium car-grade air conditioning system
- Panoramic view with minimized blind spots
- Keyless one-button start
- Ergonomic seat & eight-button control panel
- LED reading light & cup holder
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