Product Description
Built for heavy-duty excavation, the Kato HD820V is a 20-ton Japanese-engineered machine ready to move to your job site immediately. Powered by a Mitsubishi 4M50-TLE3A water-cooled diesel engine producing 112.5 kW at 2,000 RPM, this excavator delivers consistent performance across digging, grading, trenching, and demolition applications.
With a maximum digging depth of 6,700 mm and a bucket digging force of up to 159 kN in Extra mode, this machine handles demanding ground conditions without compromise. The variable axial piston pump system (235 L/min × 2) ensures responsive hydraulic output across all attachments, while a 0.45–1.1 m³ bucket capacity range adapts to diverse material types and site requirements.
- Engine: Mitsubishi 4M50-TLE3A | 112.5 kW / 2,000 RPM | 4-cylinder, 4.9L displacement
- Operating Weight: 19,900 kg | Ground Pressure: 45 kPa
- Max Digging Depth: 6,700 mm | Max Digging Radius: 9,910 mm
- Bucket Digging Force: 150 kN (Standard) / 159 kN (Extra)
- Travel Speed: 3.6 / 5.5 km/h | Climbing Ability: 70%
- Fuel Tank: 420 L | Hydraulic System: 260 L
- Current Location: Jiangxi, China — available for immediate inspection and export
| Specifications | Value |
|---|---|
| No. | 1086445 |
| Tonnage (tons) | 20 |
| Working weight (kg) | 19900 |
| Bucket capacity (m³) | 0.45-1.1 |
| Boom length (mm) | 5630 |
| Rod length (mm) | 2930 |
| Country of origin | Japan |
| power | Traditional power |
| manufacturer | Joint venture/Import |
| bucket | backhoe |
| Engine type | Mitsubishi 4M50-TLE3A |
| Rated power (kw/rpm) | 112.5/2000 |
| Cooling mode | water-cooling |
| Cylinder diameter × stroke (mm) | 114 x 120 |
| Number of cylinders (PCS) | 4 |
| Displacement (L) | 4.9 |
| Ground specific pressure (Kpa) | 45 |
| Rotation speed (rpm) | 13.5 |
| Climbing ability (%) | 70 |
| Bucket digging force (kN) | 150 (Standard mode) /159 (Extra mode) |
| Rod digging force (kN) | 109 (Standard mode) /115 (Extra mode) |
| Travel speed (km/h) | 3.6/5.5 |
| Rotary hydraulic motor type | Constant piston motor |
| Type of walking hydraulic motor | Variable capacity piston motor |
| Maximum flow of main pump (l/min) | 235 x 2 |
| Traveling Hydraulic Circuit (Mpa) | 36.3 |
| Main pump type | Variable axial piston pump ×2+ gear pump |
| Working Hydraulic Circuit (Mpa) | 34.3 |
| Bucket cylinders - Number × diameter × stroke (mm) | 1-120 x 1090 |
| Bucket rod cylinders - Number × diameter × stroke (mm) | 1-135 x 1630 |
| Boom cylinders - Number × diameter × stroke (mm) | 2-125 x 1315 |
| Fuel Tank (L) | 420 |
| Hydraulic Tank (L) | 165 |
| Engine Oil changes (L) | 20.5 |
| Coolant (L) | 25 |
| Hydraulic System (L) | 260 |
| Total transport length (mm) | 9450 |
| Total transport width (mm) | 2820 |
| Total transport height (mm) | 2960 |
| Full cab height (mm) | 2910 |
| Counterweight ground clearance (mm) | 1010 |
| Minimum ground clearance (mm) | 465 |
| Minimum turning radius of front working device (mm) | 3460 |
| Back end turning radius (mm) | 2750 |
| Total track length (mm) | 4170 |
| Track gauge (mm) | 2220 |
| Track plate width (mm) | 600 |
| Total track width (mm) | 2820 |
| Track ground length (mm) | 3370 |
| Maximum digging radius (mm) | 9910 |
| Maximum digging depth (mm) | 6700 |
| Maximum excavation height (mm) | 9760 |
| Maximum unloading height (mm) | 6830 |
| Maximum vertical digging depth (mm) | 5870 |
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