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Forty-nine tons of working weight and a 2.5 m³ backhoe bucket make the XE490D a production machine, not a project. An 11-liter QSM11 six-cylinder turbocharged diesel rated at 280 kW drives 305 kN of bucket digging force and 275 kN at the rod — enough to break hard overburden, load out shot rock, or pull down a concrete structure in a single pass.
Mobilize it and dig. The 6,670 mm boom and 2,900 mm arm reach 6,985 mm deep and 11,085 mm at maximum radius, so trenching, mass excavation and basement work run off one setup. Check the numbers:
- Working weight: 48,100 kg; ground pressure 85 kPa
- Max digging depth: 6,985 mm; max digging height: 10,050 mm
- Max digging radius: 11,085 mm; vertical wall depth: 4,400 mm
- Tractive force: 338 kN; gradeability 35%; travel speed 5.4 / 3.2 km/h
- 2 × 360 L/min piston pumps; 725 L fuel tank, 430 L hydraulic tank
- Transport: 11,630 × 3,582 × 3,705 mm; 600 mm track pads
Inspected, serviced and located in Zhejiang, China. Ready to load and go to work.
| Specifications | Value |
|---|---|
| No. | 1164443 |
| Tonnage (tons) | 49 |
| Working weight (kg) | 48100 |
| Bucket capacity (m³) | 2.5 (2.3-3.1) |
| Boom length (mm) | 6670 |
| Rod length (mm) | 2900 |
| power | Traditional power |
| manufacturer | Made in China |
| bucket | backhoe |
| Engine type | QSM111 |
| Rated power (kw/rpm) | 280 / 2050 |
| Cooling mode | water-cooling |
| Maximum torque (N.m) | 1898 / 1300 |
| Number of cylinders (PCS) | 6 |
| Displacement (L) | 11 |
| Working form | Direct injection, 4-stroke, turbocharged, air-to-air cooling |
| Ground specific pressure (Kpa) | 85 |
| Rotation speed (rpm) | 9.2 |
| Climbing ability (%) | 35 |
| Bucket digging force (kN) | 305 |
| Rod digging force (kN) | 275 |
| Maximum tractive force (kN) | 338 |
| Travel speed (km/h) | 5.4 / 3.2 |
| Maximum flow of main pump (l/min) | 2 x 360 |
| Traveling Hydraulic Circuit (Mpa) | 34.3 |
| Rotary Hydraulic Circuit (Mpa) | 31 |
| Main pump type | 2 plunger pumps |
| Pilot Oil Circuit (MPa) | 3.9 |
| Fuel Tank (L) | 725 |
| Hydraulic Tank (L) | 430 |
| Engine Oil changes (L) | 38 |
| Total transport length (mm) | 11630 |
| Total transport width (mm) | 3582 |
| Total transport height (mm) | 3705 |
| Counterweight ground clearance (mm) | 1324 |
| Minimum ground clearance (mm) | 519 |
| Back end turning radius (mm) | 3800 |
| Onboard width (mm) | 3095 |
| Total track length (mm) | 5353 |
| Track gauge (mm) | 2750 |
| Track plate width (mm) | 600 |
| Track ground length (mm) | 4292 |
| Maximum digging radius (mm) | 11085 |
| Maximum digging depth (mm) | 6985 |
| Maximum excavation height (mm) | 10050 |
| Maximum unloading height (mm) | 6940 |
| Maximum vertical digging depth (mm) | 4400 |
| Maximum excavation radius of stop surface (mm) | 10860 |
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