





Product Description
Commanding a 40-ton work site demands precision and confidence. This 2021 XCMG XE400DK hydraulic excavator delivers both through intelligent design and operator-centric engineering. Powered by a Cummins QSL9 engine generating 222 kW at 2100 rpm, the machine combines raw 310 kN bucket digging force with refined control across all operating conditions.
Cabin design prioritizes visibility and comfort during extended shifts. Operators benefit from enhanced sightlines to the 2.0-2.2 m³ bucket and working envelope, while hydraulic responsiveness translates inputs directly into precise movements. With a 9.6 rpm rotation speed and 68 kPa ground pressure, stability remains consistent whether excavating to the full 6660 mm depth or maneuvering within the 4445 mm front turning radius.
- Working Weight: 39,400 kg with optimal balance
- Maximum Reach: 10,385 mm horizontal radius
- Travel Speed: 5.6 km/h for efficient repositioning
- Fuel Capacity: 660 L for extended operation
- Currently located in Kunming, Yunnan
Built for operators who measure performance in daily productivity and machine control, not marketing promises.
| Specifications | Value |
|---|---|
| No. | 1037457 |
| Tonnage (tons) | 40 |
| Working weight (kg) | 39400 |
| Bucket capacity (m³) | 2.0-2.2 |
| power | Traditional power |
| manufacturer | Made in China |
| bucket | backhoe |
| Engine type | Cummins QSL9 |
| Rated power (kw/rpm) | 222/2100 |
| Cooling mode | water-cooling |
| Number of cylinders (PCS) | 6 |
| Displacement (L) | 8.9 |
| Working form | Efi, 4-stroke, turbocharged, air-to-air cold |
| Ground specific pressure (Kpa) | 68 |
| Rotation speed (rpm) | 9.6 |
| Climbing ability (%) | 35 |
| Bucket digging force (kN) | 310 |
| Rod digging force (kN) | 227 |
| Maximum tractive force (kN) | 330 |
| Travel speed (km/h) | 5.6/3.3 |
| Fuel Tank (L) | 660 |
| Hydraulic Tank (L) | 350 |
| Engine Oil changes (L) | 30 |
| Total transport length (mm) | 11300 |
| Total transport width (mm) | 3340 |
| Total transport height (mm) | 3760 |
| Counterweight ground clearance (mm) | 1272 |
| Minimum ground clearance (mm) | 550 |
| Minimum turning radius of front working device (mm) | 4445 |
| Back end turning radius (mm) | 3700 |
| Total track length (mm) | 5290 |
| Track gauge (mm) | 2740 |
| Total track width (mm) | 600 |
| Maximum height at minimum turning radius (mm) | 1146 |
| Maximum digging radius (mm) | 10385 |
| Maximum digging depth (mm) | 6660 |
| Maximum excavation height (mm) | 9946 |
| Maximum unloading height (mm) | 6890 |
| Maximum vertical digging depth (mm) | 4725 |
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