Model:HK300SD
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1.Tracked pontoon structure ensures low ground pressure so that it can travel and work on swamp and soft areas, it can also be towed to move forward on water.
2.Big torque travelling devices ensure strong driving force when turning and climbin.
3.Big circular arc structure on both ends of pontoon reduces traveling resistance.
4.High capacity of fuel tank greatly increases time interval of fueling.
5.It takes less than one hour to assemble and dismantle the machine; it is easy to be transported.
| HK260SD | HK300SD | |
| Specification | ||
| Operating weight | 26000kg | 30000kg |
| Standard bucket capacity | 0.9m³ | 0.9m³ |
| Boom length | 5680 | 5680 |
| Arm length | 2912 | 2912 |
| Chains | 2 | 3 |
| Engine: | ||
| Model | Isuzu 6BG1 | Isuzu 6BG1 |
| Type | inter-cooled turbo | inter-cooled turbo |
| Power | 114kW/2100rpm | 114kW/2100rpm |
| Max.torque | 629N m / 1600rpm | 629N m / 1600rpm |
| No.of cylindar | 6 | 6 |
| Displacement | 6.494L | 6.494L |
| Hydraulic system | ||
| Main pump | ||
| Type | Variable plunger pump | Variable plunger pump |
| Max.displacement | 2X107cm3/r | 2X107cm3/r |
| Max.flow | 20L/min | 20L/min |
| Working pressure | 32Mpa | 32Mpa |
| Hydraulic motor | ||
| Slew motor | fixed plunger | fixed plunger |
| Travel motor | variable plunger | variable plunger |
| Performance | ||
| Slew speed | 11rpm | 11rpm |
| Min.slew radius | 3554mm | 3554mm |
| Max.travel speed high/low | 5.4/3.2km/h | 3.29/2.17km/h |
| Gradeability | 70% | 70% |
| Tracktive effort | 279.8kN | 382.4kN |
| Max.digging force of bucket | 98.3kN | 122.85kN |
| Max.digging force of arm | 63.5kN | 97.64kN |
| Ground pressure | 0.14kg/cm2 | 0.14kg/cm2 |
