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Engineered for high-output earthmoving operations, this 55-ton hydraulic excavator delivers exceptional performance through proven mechanical design. Powered by a Perkins 2206 III N engine generating 309.5 kW at 2100 rpm with 1896 N·m maximum torque, the XE550DK provides consistent power across demanding applications. The dual-pump hydraulic system flows 720 l/min total capacity, driving a 330 kN bucket digging force and 255 kN arm digging force for superior material penetration in hard-packed conditions.
Built with a 51,200 kg working weight and 88 kPa ground pressure distribution, this machine maintains stability without sacrificing mobility. The 6,550 mm boom and 2,550 mm arm configuration optimize reach and breakout force. XCMG's robust undercarriage features 5,470 mm track length with 600 mm shoe width, while the 9.2 rpm rotation speed ensures rapid cycle times. With 725-liter fuel capacity and 430-liter hydraulic reservoir, this excavator sustains extended operation intervals. Currently positioned in Wenzhou, Zhejiang, this 2021 unit represents China's advancement in heavy excavator manufacturing standards.
| Specifications | Value |
|---|---|
| No. | 1046995 |
| 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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