Product Description
Built for operators who demand precision and control, the 2018 Doosan DX120 is a 12-tonne crawler excavator engineered to perform across a wide range of earthmoving applications. Powered by a 4-cylinder D34D engine producing 71 kW at 1,850 rpm, this machine delivers consistent digging force — 99 kN at the bucket and 63.2 kN at the rod — without sacrificing fuel efficiency from its 260-litre tank.
From the cab, operators benefit from the visibility and ergonomic layout characteristic of Doosan's mid-size platform, designed to reduce fatigue on long shifts. A maximum digging depth of 5,150 mm and reach of 7,620 mm give the DX120 genuine versatility on confined urban sites and open cut applications alike. Ground pressure sits at just 43 kPa across 500 mm track pads, keeping undercarriage stress low on soft terrain.
- Engine: Doosan D34D, 4-cylinder, 71 kW / 1,850 rpm
- Operating weight: 12,200 kg | Bucket capacity: 0.51 m³
- Max digging depth: 5,150 mm | Max reach: 7,620 mm
- Bucket digging force: 99 kN | Arm digging force: 63.2 kN
- Travel speed: 4.5 / 2.8 km/h | Gradeability: 35°
- Ground pressure: 43 kPa | Track width: 500 mm
- Fuel tank: 260 L | Hydraulic tank: 152 L
- Location: Guangdong, China | Year: 2018
| Specifications | Value |
|---|---|
| No. | 1080557 |
| Tonnage (tons) | 12 |
| Working weight (kg) | 12200 |
| Bucket capacity (m³) | 0.51 |
| Boom length (mm) | 4300 |
| Rod length (mm) | 2260 |
| Country of origin | Yantai |
| power | Traditional power |
| manufacturer | Joint venture/Import |
| bucket | backhoe |
| Engine type | D34D |
| Rated power (kw/rpm) | 71 / 1850 |
| Cylinder diameter × stroke (mm) | 98 x 113 |
| Number of cylinders (PCS) | 4 |
| Ground specific pressure (Kpa) | 43 |
| Rotation speed (rpm) | 11.5 |
| Climbing ability (%) | 35 ° |
| Bucket digging force (kN) | 99 / 105 |
| Rod digging force (kN) | 63.2 / 67 |
| Maximum tractive force (kN) | 11.9 |
| Travel speed (km/h) | 4.5 / 2.8 |
| Turning torque (Nm) | 40 |
| Type of walking hydraulic motor | Axial piston hydraulic motor |
| Fuel Tank (L) | 260 |
| Hydraulic Tank (L) | 152 |
| Total transport length (mm) | 7315 |
| Total transport width (mm) | 2540 |
| Total transport height (mm) | 2775 |
| Full cab height (mm) | 835 |
| Counterweight ground clearance (mm) | 895 |
| Minimum ground clearance (mm) | 410 |
| Minimum turning radius of front working device (mm) | 2445 |
| Back end turning radius (mm) | 2130 |
| Total track length (mm) | 3315 |
| Track plate width (mm) | 500 |
| Total track width (mm) | 2490 |
| Maximum digging radius (mm) | 7620 |
| Maximum digging depth (mm) | 5150 |
| Maximum excavation height (mm) | 7955 |
| Maximum unloading height (mm) | 5640 |
| Maximum vertical digging depth (mm) | 3605 |
| Maximum excavation radius of stop surface (mm) | 7465 |
| Maximum effective digging depth (mm) | 3605 |
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