Product Description
Powered by a robust 300 kW diesel engine at 1800 rpm, this 2021 Sany SY550H delivers commanding performance for high-volume earthmoving operations. With a 55-ton operating weight and 51,000 kg working mass, the machine achieves exceptional stability while maintaining a ground pressure of just 87.1 kPa—minimizing surface damage across variable terrain. The hydraulic system drives a 3.1-3.5 m³ backhoe bucket through a maximum digging depth of 8,077 mm and reach of 12,841 mm, engineered for deep foundation and large-scale excavation work.
- Engine: 300 kW at 1800 rpm, traditional power configuration
- Digging Force: 12,841 mm max reach, 8,077 mm depth capability
- Undercarriage: 600 mm track plates, 4,415 mm ground contact length
- Mobility: 70% grading ability, 5.4 km/h travel speed
- Rotation: 8 rpm swing speed with 3,765 mm rear radius
- Location: Zhongshan, Guangdong, China
Built to Chinese national standards with Sany's proven hydraulic architecture, this excavator represents field-tested engineering for contractors requiring consistent output in demanding applications.
| Specifications | Value |
|---|---|
| No. | 1023638 |
| Tonnage (tons) | 55 |
| Working weight (kg) | 51000 |
| Bucket capacity (m³) | 3.1-3.5 |
| power | Traditional power |
| manufacturer | Made in China |
| bucket | backhoe |
| Rated power (kw/rpm) | 300/1800 |
| Ground specific pressure (Kpa) | 87.1 |
| Rotation speed (rpm) | 8 |
| Climbing ability (%) | 70 |
| Travel speed (km/h) | 5.4/3.1 |
| Total transport length (mm) | 12095 |
| Total transport width (mm) | 3360 |
| Total transport height (mm) | 3790 |
| Full cab height (mm) | 3470 |
| Minimum ground clearance (mm) | 560 |
| Back end turning radius (mm) | 3765 |
| Onboard width (mm) | 3290 |
| Total track length (mm) | 5440 |
| Track gauge (mm) | 2740 |
| Track plate width (mm) | 600 |
| Track ground length (mm) | 4415 |
| Maximum digging radius (mm) | 12841 (broken) |
| Maximum digging depth (mm) | 8077 (broken) |
| Maximum excavation height (mm) | 12279 (broken) |
| Maximum excavation radius of stop surface (mm) | 10655 (broken) |
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