SY4000H Ultra-Class Mining Excavator
A 420 t class ultra-class mining excavator with a 22 m³ bucket, twin 810 kW Cummins QSK38 engines and 1252 kN digging force for the largest open-pit mines.
Get A QuoteOverview
The SY4000H is a 420 t class ultra-class mining excavator engineered for the highest production rates in the world's largest open-pit mines, loading the biggest haul-truck fleets.
Twin Cummins QSK38 engines deliver a combined 1620 kW, powering a 22 m³ bucket with 1252 kN bucket digging force and 1268 kN arm crowding force. A dual-power hydraulic cross-control lets one engine keep production going at reduced output if the other needs service.
The reinforced wide-track undercarriage and 8000 L fuel tank support continuous loading, while SANY's 180+ country service network provides mining-level support, training and genuine components. Request a factory quote matched to your truck fleet.
Technical Specifications
| Operating Weight | 420 t |
| Engine Model | 2 × Cummins QSK38 |
| Engine Displacement | 37.7 L × 2 |
| Engine Power | 1620 kW (810 × 2) |
| Bucket Capacity | 22 m³ |
| Bucket Digging Force | 1252 kN |
| Arm Digging Force | 1268 kN |
| Standard Boom | 7.1 m |
| Standard Stick | 4.9 m |
| Fuel Tank | 8000 L |
| Hydraulic Tank | 5776 L |
| Radiator | To be confirmed |
| Carrier Wheels per Side | 3 |
| Thrust Wheels per Side | 8 |
Parameters are indicative and vary by configuration, region and emission standard.
Applications
Open-pit Mining
Ultra-class digging and loading at the largest hard-rock and coal mines.
Overburden Removal
Maximum-rate stripping and bulk excavation on the biggest pit layouts.
High-capacity Loading
Fast loading of 240 t class mining trucks at continuous peak throughput.
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