SY870H-S Large Hydraulic Excavator
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Product Details
Total Machine Weight
78,600 kg
Bucket Capacity
5.0-6.0 m³
Power
382/1800 kW/rpm
Applicable working conditions
Rock Works
Mining
Power System
Equipped with an Isuzu 6WG1 engine with a rated power of 382kW, it delivers robust and powerful performance. It features low fuel consumption, high torque, exceptional durability, fast dynamic response, and higher working efficiency.
Hydraulic System
It is equipped with Kawasaki fully electronic control main valve and main pump. The dual-swing system enhances swing torque for smoother operation. The large-displacement main pump, combined with heavy-duty P-Q power-boost control, improves digging efficiency while balancing fuel consumption, delivering strong digging endurance. The integrated solenoid proportional valve ensures high flow distribution efficiency and smooth compound movements.
SCR Technology Route*
It adopts the SCR+DOC+DPF aftertreatment technology, featuring a high conversion rate of nitrogen oxides. This technology optimizes combustion, increases power and torque, significantly improves fuel economy, and achieves cleaner emissions.
Reinforcement of Working Device Structural Components
The 20,000-hour working device technology is fully adopted. It uses high-strength steel, high-strength forgings, and wear-resistant steel plates, with cast integral connecting rods and a three-section box structure. The cross-section is widened and the box cross-section is enlarged, increasing the flexural section modulus by 20%, resulting in high reliability and a long service life.
Performance parameters
| Item | Unit | Value |
|---|---|---|
| Operating Weight | kg | 78600 |
| Bucket Capacity | m³ | 5.0-6.0 |
| Rated Power | kW/rpm | 382/1800 |
| Engine Model | – | Isuzu 6WG1X |
| Engine Type | – | Direct Injection, 6-Cylinder 4-Stroke, Turbocharged Intercooled, Water-Cooled |
| Displacement | L | 15.681 |
| Maximum Torque | N·m/rpm | 2250/1300 |
| Engine Rated Power | kW/rpm | 382/1800 |
| Travel Speed (High/Low) | km/h | 4.5 / 2.9 |
| Swing Speed | rpm | 7.2 |
| Gradeability | ° | 35 |
| Ground Pressure | kPa | 112 |
| Bucket Digging Force | kN | 420 |
| Arm Digging Force | kN | 365 |
| Fuel Tank Capacity | L | 950 |
| Engine Oil Capacity | L | 42-57 |
| Radiator Capacity | L | 75 |
| Final Drive Capacity (per side) | L | 2×16 |
| Track Plates | pcs | 47 |
| Track Rollers per Side | pcs | 8 |
| Carrier Rollers per Side | pcs | 3 |
| Standard Track Shoe Width | mm | 650 |
Product Selling Points
1. Equipped with the Isuzu 6WG1 engine, with a power output of 382 kW, delivering strong power, low fuel consumption, high torque, high durability, fast dynamic response, and greater work efficiency;
2. Equipped with Kawasaki fully electric-controlled main valve and main pump, dual rotation to increase lifting torque, smoother rotation, large displacement main pump, heavy-duty P-Q power boost control, balancing fuel consumption while improving excavation efficiency, providing strong continuous digging ability;
3. Standard 5.4m³ large bucket, suitable for harsh mining work environments, can be configured with 4 series of buckets, meeting the “one condition, one bucket” requirement, improving construction efficiency, easily handling various complex conditions, enhancing product value and customer profitability.
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