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Engineered with precision by Kato's joint venture manufacturing division, this 2016 HD308R delivers robust 8-ton performance through proven ISUZU 4JG1 technology. The 4-cylinder water-cooled engine generates 40.5 kW at 2100 rpm with 191 N.m maximum torque, providing reliable power for demanding excavation tasks. Dual main pumps supply 2×77.7 l/min at 29.4 MPa system pressure, driving hydraulic cylinders dimensioned for optimal force distribution: 105mm boom, 95mm arm, and 85mm bucket cylinders.
Performance specifications demonstrate superior capability across critical metrics:
- Bucket digging force: 61.4 kN with 0.3 m³ capacity
- Maximum digging reach: 6,470 mm with 4,120 mm depth
- Operating weight: 7,300 kg with 34 kPa ground pressure
- Travel speed: 5 km/h with 70% grading ability
- Compact transport dimensions: 6,410×2,330×2,590 mm
Currently located in Zhuhai, Guangdong, this backhoe excavator combines Japanese engine reliability with efficient hydraulic architecture. The 140L fuel tank and 66L hydraulic reservoir support extended operational periods, while the 11 rpm rotation speed ensures productive cycle times on construction and earthmoving sites.
| Specifications | Value |
|---|---|
| No. | 1046625 |
| Tonnage (tons) | 8 |
| Working weight (kg) | 7300 |
| Bucket capacity (m³) | 0.3 |
| power | Traditional power |
| manufacturer | Joint venture/Import |
| bucket | backhoe |
| Engine type | ISUZU 4JG1, 4-cycle engine |
| Rated power (kw/rpm) | 40.5/2100 |
| Cooling mode | water-cooling |
| Cylinder diameter × stroke (mm) | 95.4*107 |
| Maximum torque (N.m) | 191/1800 |
| Number of cylinders (PCS) | 4 |
| Ground specific pressure (Kpa) | 34 |
| Rotation speed (rpm) | 11 |
| Climbing ability (%) | 70 |
| Bucket digging force (kN) | 61.4 |
| Rod digging force (kN) | 42.2 |
| Maximum tractive force (kN) | 66.8 |
| Travel speed (km/h) | 5 |
| Main overflow set pressure (Mpa) | 29.4 |
| Maximum flow of main pump (l/min) | 2*77.7 |
| Bucket cylinders - Number × diameter × stroke (mm) | 1*85*745 |
| Bucket rod cylinders - Number × diameter × stroke (mm) | 1*95*920 |
| Boom cylinders - Number × diameter × stroke (mm) | 1*105*960 |
| Fuel Tank (L) | 140 |
| Hydraulic Tank (L) | 66 |
| Engine Oil changes (L) | 9.6 |
| Coolant (L) | 11 |
| Hydraulic System (L) | 105 |
| Total transport length (mm) | 6410 |
| Total transport width (mm) | 2330 |
| Total transport height (mm) | 2590 |
| Counterweight ground clearance (mm) | 740 |
| Minimum ground clearance (mm) | 360 |
| Minimum turning radius of front working device (mm) | 1630 |
| Back end turning radius (mm) | 1770 |
| Total track length (mm) | 2850 |
| Track ground length (mm) | 2260 |
| Maximum digging radius (mm) | 6470 |
| Maximum digging depth (mm) | 4120 |
| Maximum excavation height (mm) | 7440 |
| Maximum unloading height (mm) | 5320 |
| Maximum vertical digging depth (mm) | 3620 |
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