Product Description
Engineered with precision hydraulics and a proven Yanmar 4TNV98-EXS engine, this 2018 Doosan DX75-9C combines robust performance with operational efficiency. At 7.42 tons working weight, the machine delivers 39 kW of rated power through a naturally aspirated, 4-cylinder configuration, while the variable piston pump system ensures responsive control across all functions. Bucket digging force reaches 53.4 kN, supported by a 36.9 kN rod digging force—specifications that confirm its capability in demanding excavation environments.
Key technical advantages include:
- Maximum digging depth of 4,080 mm with a 6,115 mm working radius
- Axial piston motor rotation system providing 10.4 rpm swing speed
- Compact transport dimensions (6,030 × 2,180 × 2,680 mm) for site mobility
- 111-liter fuel capacity and 90-liter hydraulic tank for extended operation
- Low ground pressure at 34 kPa, minimizing surface disturbance
Currently located in Anhui, this joint-venture manufactured excavator represents Doosan's DX-9C series commitment to durability and precision engineering. Complete with 0.3 m³ backhoe bucket and dual-speed travel configuration.
| Specifications | Value |
|---|---|
| No. | 1017835 |
| Tonnage (tons) | 7 |
| Working weight (kg) | 7420 |
| Bucket capacity (m³) | 0.3 |
| Boom length (mm) | |3620 |
| Rod length (mm) | 1670 |
| power | Traditional power |
| manufacturer | Joint venture/Import |
| bucket | backhoe |
| Engine type | Yanmar 4TNV98-EXS |
| Rated power (kw/rpm) | 39/2200 |
| Cylinder diameter × stroke (mm) | 98 x 110 |
| Number of cylinders (PCS) | 4 |
| Displacement (L) | 6.494 |
| Working form | Straight, naturally aspirated. |
| Ground specific pressure (Kpa) | 34 |
| Rotation speed (rpm) | 10.4 |
| Bucket digging force (kN) | 53.4 |
| Rod digging force (kN) | 36.9 |
| Travel speed (km/h) | High: 4.5 / Low: 2.8 |
| Turning torque (Nm) | 1760 |
| Rotary hydraulic motor type | | Axial piston motor |
| Type of walking hydraulic motor | Variable axial piston motor |
| Control Hydraulic Circuit (Mpa) | 3.9 |
| Main pump type | Variable piston pump |
| Fuel Tank (L) | 111 |
| Hydraulic Tank (L) | 90 |
| Total transport length (mm) | 6030 |
| Total transport width (mm) | 2180 |
| Total transport height (mm) | 2680 |
| Full cab height (mm) | 2950 |
| Counterweight ground clearance (mm) | 1030 |
| Minimum ground clearance (mm) | 370 |
| Minimum turning radius of front working device (mm) | 1745 |
| Back end turning radius (mm) | 1750 |
| Onboard width (mm) | 2130 |
| Total track length (mm) | 2750 |
| Track gauge (mm) | 1650 |
| Track plate width (mm) | 450 |
| Total track width (mm) | 2100 |
| Track ground length (mm) | 3670 |
| Maximum height at minimum turning radius (mm) | 7180 |
| Maximum digging radius (mm) | 6115 |
| Maximum digging depth (mm) | 4080 |
| Maximum excavation height (mm) | 7100 |
| Maximum unloading height (mm) | 7180 |
| Maximum vertical digging depth (mm) | 2670 |
| Dodging plate width × height (mm) | 2100 x 418 |
| Maximum excavation radius of stop surface (mm) | 6270 |
| Maximum effective digging depth (mm) | 3725 |
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