








Product Description
Engineered for heavy-duty excavation, this 2021 XCMG XE550DK delivers exceptional performance through precision-built hydraulics and robust power systems. At its core, a Perkins 2206 III N six-cylinder engine generates 309.5 kW at 2100 rpm, producing 1896 N·m of maximum torque to handle demanding dig cycles. Dual main pumps supply 2×360 L/min flow capacity, translating into 330 kN bucket digging force and 255 kN rod digging force—critical metrics for high-volume earthmoving operations.
Key Technical Specifications:
- Operating weight: 51,200 kg with 55-ton excavation capacity
- Boom reach: 6,550 mm; rod length: 2,550 mm
- Maximum tractive force: 370 kN for superior grading power
- Ground pressure: 88 kPa minimizes surface disruption
- Fuel efficiency: 725 L tank with 13 L displacement engine
- Transport dimensions: 11,870×3,572×4,100 mm
Currently located in Putian, Fujian, this Chinese-manufactured crawler excavator combines proven XCMG engineering with reliable Perkins power for consistent productivity in mining, infrastructure, and large-scale construction environments.
| Specifications | Value |
|---|---|
| No. | 1048676 |
| Tonnage (tons) | 55 |
| Working weight (kg) | 51200 |
| Boom length (mm) | 6550 |
| Rod length (mm) | 2550 |
| power | Traditional power |
| manufacturer | Made in China |
| bucket | backhoe |
| Engine type | Perkins 2206 III N |
| Rated power (kw/rpm) | 309.5/2100 |
| Maximum torque (N.m) | 1896/1400 |
| Number of cylinders (PCS) | 6 |
| Displacement (L) | 13 |
| Ground specific pressure (Kpa) | 88 |
| Rotation speed (rpm) | 9.2 |
| Bucket digging force (kN) | 330 |
| Rod digging force (kN) | 255 |
| Maximum tractive force (kN) | 370 |
| Travel speed (km/h) | 5.2/2.9 |
| Maximum flow of main pump (l/min) | 2*360 |
| Fuel Tank (L) | 725 |
| Hydraulic Tank (L) | 430 |
| Engine Oil changes (L) | 42 |
| Total transport length (mm) | 11870 |
| Total transport width (mm) | 3572 |
| Total transport height (mm) | 4100 |
| Counterweight ground clearance (mm) | 1353 |
| Minimum ground clearance (mm) | 518 |
| Back end turning radius (mm) | 3800 |
| Total track length (mm) | 5470 |
| Track gauge (mm) | 2740 |
| Track plate width (mm) | 600 |
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