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Engineered in Yantai with joint-venture precision, this 21-ton crawler excavator has logged fifteen years proving Doosan's reputation for durability. Powered by the robust DB58T1 engine delivering 147 kW at 2000 rpm, the DH215-7 combines a 0.86 m³ bucket with 136.2 kN digging force and a 9970 mm maximum reach—specs that haven't softened with age. Its 20,600 kg operating weight and air-cooled system were built for extended duty cycles, and this Zhejiang-based unit continues that legacy.
- Proven Power: Doosan DB58T1 engine, 147 kW, designed for longevity
- Digging Performance: 6660 mm max depth, 100 kN rod force, 5700 mm boom
- Operational Range: 9970 mm reach, 6810 mm dump height, 12.1 rpm swing speed
- Versatile Configuration: Three rod lengths (2400/2900/3500 mm), 350 L fuel capacity
- Stable Platform: 2800 mm transport width, 52 Kpa ground pressure, 600 mm track plates
With a service record that speaks louder than launch-year hype, this machine offers the reliability contractors demand when downtime isn't an option.
| Specifications | Value |
|---|---|
| No. | 1136908 |
| Tonnage (tons) | 21 |
| Working weight (kg) | 20600 |
| Bucket capacity (m³) | 0.86 |
| Boom length (mm) | 5700 |
| Rod length (mm) | 2400/2900/3500 |
| Country of origin | Yantai, Shandong Province |
| power | Traditional power |
| manufacturer | Joint venture/Import |
| bucket | backhoe |
| Engine type | Doosan DB58T1 |
| Rated power (kw/rpm) | 147/2000 |
| Cooling mode | Air cooling |
| Ground specific pressure (Kpa) | 52 |
| Rotation speed (rpm) | 12.1 |
| Bucket digging force (kN) | 136.2/144.1 |
| Rod digging force (kN) | 100/104.9 |
| Travel speed (km/h) | 3.1-5.4 |
| Fuel Tank (L) | 350 |
| Total transport length (mm) | 9550 |
| Total transport width (mm) | 2800 |
| Total transport height (mm) | 3100 |
| Full cab height (mm) | 3100 |
| Minimum ground clearance (mm) | 480 |
| Back end turning radius (mm) | 2750 |
| Track gauge (mm) | 2200 |
| Track plate width (mm) | 600 |
| Total track width (mm) | 22800 |
| Maximum digging radius (mm) | 9970 |
| Maximum digging depth (mm) | 6660 |
| Maximum excavation height (mm) | 9660 |
| Maximum unloading height (mm) | 6810 |
| Maximum vertical digging depth (mm) | 5600 |
| Maximum excavation radius of stop surface (mm) | 9780 |
| Maximum effective digging depth (mm) | 6460 |
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