51.5 Ton Excavator – High Power 298kW Heavy-Duty Hydraulic Excavator
Powerful Cummins QSM11 engine providing 298 kW for superior performance.
Advanced Kawasaki main pump system with high flow rate enhances hydraulic efficiency and precision.
Exceptional digging forces (up to 267 kN bucket digging force) for tough material handling.
Large bucket capacity (2.86 m³) optimizes productivity by moving more material per cycle.
Stable and durable undercarriage with wide tracks and appropriate ground clearance (minimum 760 mm) for rugged terrain adaptability.
Extended working range with max digging radius of 12,100 mm and max digging depth of 7,790 mm.
Spacious cab design promotes operator comfort and productivity during long working hours.
Introduction of the DC520 Cummins 51.5 Ton Excavator
The DC520 excavator is a robust heavy-duty hydraulic machine with an operating weight of 51,500 kg, powered by a Cummins QSM11 engine delivering 298 kW at 1800 RPM. It features a Kawasaki 212 series main pump system with parallel swash-plate axial-piston pumps that provide a maximum flow of 2 × 359 L/min for efficient hydraulic performance. With a bucket capacity of 2.86 cubic meters and powerful digging forces reaching 267 kN for the bucket and 217 kN for the arm (ISO standard), this excavator easily handles demanding excavation jobs. The DC520 offers an impressive maximum digging depth of 7,790 mm, digging radius of 12,100 mm, and a maximum dumping height of 7,900 mm. Its durable undercarriage includes 600 mm wide track shoes and a track gauge of 3,300 mm, ensuring stability and traction. The well-designed cab stands at 3,350 mm tall, and the overall machine measures 12,110 mm in length and up to 3,900 mm wide, providing operator comfort and site versatility.
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Technical Specifications for the DC520 Cummins 51.5 Ton Excavator
| General | Operating Weight (kg) | 51 500 |
|---|---|---|
| Bucket Capacity Range (m³) | 2.86 | |
| Engine | Model | Cummins QSM11 |
| Brand | Cummins | |
| Rated Power (kW) | 298 | |
| Rated Speed (rpm) | 1 800 | |
| Hydraulic System | Main Pump Type × Qty | Parallel swash-plate axial-piston pumps |
| Main Pump Max Flow (L/min) | 2 × 359 | |
| Pilot Pump Type × Qty | Gear pump | |
| Pilot Pump Max Flow (L/min) | 24.0 | |
| Main Pump Brand | Kawasaki 212 series | |
| Main Control Valve | Parker (Doosan-type) | |
| Swing Motor | Danfoss | |
| Travel Motor | Doosan (Korea) | |
| Performance | Max Digging Height (mm) | 11 080 |
| Max Dumping Height (mm) | 7 900 | |
| Max Digging Depth (mm) | 7 790 | |
| Max Vertical Digging Depth (mm) | 4 370 | |
| Max Digging Radius (mm) | 12 100 | |
| Max Digging Radius at Ground (mm) | 11 310 | |
| Boom Length (mm) | 7 100 | |
| Arm Length (mm) | 3 350 | |
| Arm Digging Force (ISO) (kN) | 217 | |
| Bucket Digging Force (ISO) (kN) | 267 |
| Undercarriage | Track Shoe Width (mm) | 600 |
|---|---|---|
| Track Length (mm) | 5 465 | |
| Track Gauge (mm) | 3 300 | |
| Track Ground Length (mm) | 4 470 | |
| Tail Swing Radius (mm) | 3 665 | |
| Minimum Ground Clearance (mm) | 760 | |
| Counterweight Ground Clearance (mm) | 1 460 | |
| Overall Dimensions | Upper Structure Width (mm) | 3 278 |
| Lower Structure Width (mm) | 3 350 – 3 900 | |
| Cab Height (mm) | 3 350 | |
| Overall Length (mm) | 12 110 | |
| Overall Width (mm) | 3 350 – 3 900 | |
| Overall Height (mm) | 3 705 |
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FAQ
Q: What engine powers the DC520 excavator?
A: The DC520 is powered by a Cummins QSM11 engine producing 298 kW at 1800 RPM.
Q: What is the bucket capacity of the DC520?
A: The bucket capacity is 2.86 cubic meters.
Q: How deep can the DC520 excavator dig?
A: It has a maximum digging depth of 7,790 mm.
Q: What are the hydraulic pumps used in the DC520?
A: It uses dual Kawasaki 212 series parallel swash-plate axial-piston main pumps with max flow 2 × 359 L/min.
Q: What is the overall weight of the excavator?
A: The operating weight is approximately 51,500 kg.
Q: What is the maximum digging radius?
A: The maximum digging radius is 12,100 mm.
Q: How wide is the track gauge on the DC520?
A: The track gauge measures 3,300 mm.
Q: What type of swing and travel motors are used?
A: The swing motor is a Danfoss unit and the travel motor is a Doosan (Korea) component.
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