SY870H Large Excavator
78.6 tOperating Weight
377 kWEngine Power
5.4 m³Bucket Capacity
432 kNBucket Digging Force
The 78.6 t class large excavator — a 377 kW Isuzu 6WG1 engine with a 5.4 m³ bucket matched to high-production quarry and open-pit loading.
Get A QuoteOverview
The SY870H is a 78.6 t class large excavator built for continuous quarry and mining-support duty, delivering high cycle output when loading large haul trucks.
A 377 kW Isuzu 6WG1 diesel drives a 5.4 m³ bucket with 432 kN bucket digging force and 370 kN arm digging force. Optimized hydraulic matching and reinforced structures lower operating cost over long shifts.
The proven heavy-excavator platform prioritizes uptime and long life, backed by SANY dealers in 180+ countries with genuine parts, field service and training. Request a quote matched to your truck loading plan.
Technical Specifications
| Operating Weight | 78.6 t |
| Engine Model | Isuzu 6WG1 |
| Engine Displacement | 15.681 L |
| Engine Power | 377 kW |
| Bucket Capacity | 5.4 m³ |
| Bucket Digging Force | 432 kN |
| Arm Digging Force | 370 kN |
| Standard Boom | 7 m |
| Standard Stick | 2.6 m |
| Fuel Tank | 940 L |
| Hydraulic Tank | 700 L |
| Radiator | 70 L |
| Carrier Wheels per Side | 3 |
| Thrust Wheels per Side | 8 |
Parameters are indicative and vary by configuration, region and emission standard.
Applications
Quarry Loading
Fast loading of large haul trucks in hard rock operations.
Open-Pit Mining
Stripping and loading support at open-pit mines.
Bulk Earthworks
High-volume excavation on major infrastructure projects.
Related Excavator Models
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