Product Description
Engineered with precision in Kunshan, this 21-ton excavator delivers robust hydraulic performance through its dual 210 l/min main pumps and 34.3 Mpa main overflow pressure. The Mitsubishi 6D34-TL engine generates 114 kW at 2050 rpm, providing reliable water-cooled power for demanding excavation tasks. With a bucket digging force of 138 kN and 0.93 m³ capacity, the SY215C-8 handles heavy-duty operations with industrial-grade efficiency.
Performance specifications include a maximum digging radius of 9,885 mm and excavation depth reaching 6,630 mm, while maintaining a compact 2,750 mm rear swing radius for confined jobsites. Currently located in Wenzhou, Zhejiang, this machine offers:
- 20,900 kg operating weight with 600 mm track plates for 45 Kpa ground pressure
- Dual-speed travel system: 3.2/5.5 km/h for versatile site mobility
- 12.5 rpm rotation speed with dedicated 25.5 Mpa hydraulic circuit
- 70% gradeability (35°) for challenging terrain navigation
- 9,305 mm maximum digging height for elevated loading applications
Proven construction-grade machinery built for productivity and longevity in commercial excavation environments.
| Specifications | Value |
|---|---|
| No. | 1028424 |
| Tonnage (tons) | 21 |
| Working weight (kg) | 20900 |
| Bucket capacity (m³) | 0.93 |
| Country of origin | Kunshan in Jiangsu Province |
| power | Traditional power |
| manufacturer | Made in China |
| bucket | backhoe |
| Engine type | Mitsubishi 6D34-TL |
| Rated power (kw/rpm) | 114/2050 |
| Cooling mode | water-cooling |
| Ground specific pressure (Kpa) | 45 |
| Rotation speed (rpm) | 12.5 |
| Climbing ability (%) | 70/35 ° |
| Bucket digging force (kN) | 138 |
| Travel speed (km/h) | 3.2/5.5 |
| Main overflow set pressure (Mpa) | 34.3 |
| Maximum flow of main pump (l/min) | 2 x 210 |
| Traveling Hydraulic Circuit (Mpa) | 34.3 |
| Rotary Hydraulic Circuit (Mpa) | 25.5 |
| Control Hydraulic Circuit (Mpa) | 3.9 |
| Hydraulic crushing pipeline is standard | no |
| Total transport length (mm) | 9397 |
| Total transport width (mm) | 2980 |
| Total transport height (mm) | 2956 |
| Full cab height (mm) | 2930 |
| Minimum ground clearance (mm) | 440 |
| Back end turning radius (mm) | 2750 |
| Total track length (mm) | 4250 |
| Track gauge (mm) | 2380 |
| Track plate width (mm) | 600 |
| Total track width (mm) | 2980 |
| Track ground length (mm) | 3445 |
| Maximum digging radius (mm) | 9885 |
| Maximum digging depth (mm) | 6630 |
| Maximum excavation height (mm) | 9305 |
| Maximum unloading height (mm) | 6475 |
| Maximum vertical digging depth (mm) | 5980 |
| Bulldozer lift or depth (mm) | There is no |
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