Product Description
Powered by a robust Isuzu CC-4JG1PAC engine delivering 40kW at 2100 rpm, this 2022 Sany SY75C-8 combines proven hydraulic engineering with compact efficiency. The water-cooled powerplant drives a 149 l/min main pump, generating 49kN bucket digging force and 35kN arm digging force—exceptional performance in the 7-ton class. Hydraulic circuits operate at precisely calibrated pressures: 26 MPa for travel, 21.6 MPa for rotation, ensuring responsive control across all functions.
Built for demanding excavation work, this machine achieves a maximum digging radius of 6,250mm and digging depth of 4,060mm while maintaining a compact transport footprint of 6,000mm length. The reinforced undercarriage features 450mm track plates with 2,170mm ground contact length, distributing just 28 kPa ground pressure. With 70% gradeability and 10.9 rpm rotation speed, operators gain productivity advantages on varied terrain.
Key Specifications:
- Operating weight: 6,800 kg | Bucket capacity: 0.28 m³
- Maximum excavation height: 7,070 mm | Unloading height: 5,110 mm
- Travel speed: 2.6–4.2 km/h | Tail swing radius: 1,720 mm
- Currently located in Jinhua, Zhejiang, China
| Specifications | Value |
|---|---|
| No. | 1026861 |
| Tonnage (tons) | 7 |
| Working weight (kg) | 6800 |
| Bucket capacity (m³) | 0.28 |
| power | Traditional power |
| manufacturer | Made in China |
| bucket | backhoe |
| Engine type | Isuzu CC-4JG1PAC |
| Rated power (kw/rpm) | 40/2100 |
| Cooling mode | water-cooling |
| Ground specific pressure (Kpa) | 28 |
| Rotation speed (rpm) | 10.9 |
| Climbing ability (%) | 70% / 35 ° |
| Bucket digging force (kN) | 49 |
| Rod digging force (kN) | 35 |
| Travel speed (km/h) | 2.6-4.2 |
| Maximum flow of main pump (l/min) | 149 |
| Traveling Hydraulic Circuit (Mpa) | 26 |
| Rotary Hydraulic Circuit (Mpa) | 21.6 |
| Control Hydraulic Circuit (Mpa) | 3.6 |
| Hydraulic crushing pipeline is standard | no |
| Total transport length (mm) | 6000 |
| Total transport width (mm) | 2220 |
| Total transport height (mm) | 2620 |
| Full cab height (mm) | 2620 |
| Minimum ground clearance (mm) | 355 |
| Back end turning radius (mm) | 1720 |
| Total track length (mm) | 2710 |
| Track gauge (mm) | 1750 |
| Track plate width (mm) | 450 |
| Total track width (mm) | 2220 |
| Track ground length (mm) | 2170 |
| Maximum digging radius (mm) | 6250 |
| Maximum digging depth (mm) | 4060 |
| Maximum excavation height (mm) | 7070 |
| Maximum unloading height (mm) | 5110 |
| Maximum vertical digging depth (mm) | 3410 |
| Bulldozer lift or depth (mm) | 390 |
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