Product Description
Engineered for precision and power, this 2021 Sany SY125C excavator delivers exceptional performance through proven Japanese-Chinese collaboration. At its core sits the Isuzu 4JJ1-XDJAG-01-C3 engine, generating 73kW at 2000rpm with a robust 365N·m maximum torque at 1600rpm. The water-cooled 2.999L displacement unit drives a sophisticated hydraulic system producing 90.6kN bucket digging force and 57.2kN arm digging force—figures that translate to consistent productivity in demanding applications.
Operating specifications demonstrate Sany's commitment to engineering excellence:
- 12-ton working weight with optimized 41.6kPa ground pressure for stability
- 7735mm maximum digging reach and 5190mm maximum digging depth
- 0.55m³ standard bucket capacity with range from 0.22-0.7m³
- 240L fuel tank and 150L hydraulic reservoir for extended operation
- 70% grading ability with dual travel speeds (5.5/3.5 km/h)
Currently located in Hangzhou, Zhejiang, this machine represents proven Chinese manufacturing quality backed by reliable Isuzu power. Complete with backhoe configuration and comprehensive technical documentation.
| Specifications | Value |
|---|---|
| No. | 1019872 |
| Tonnage (tons) | 12 |
| Working weight (kg) | 12450 |
| Bucket capacity (m³) | 0.22-0.7 (0.55) |
| power | Traditional power |
| manufacturer | Made in China |
| bucket | backhoe |
| Engine type | Isuzu 4JJ1-XDJAG-01-C3 |
| Rated power (kw/rpm) | 73/2000 |
| Cooling mode | water-cooling |
| Maximum torque (N.m) | 365/1600 |
| Displacement (L) | 2.999 |
| Ground specific pressure (Kpa) | 41.6 |
| Rotation speed (rpm) | 13.06 |
| Climbing ability (%) | 70 |
| Bucket digging force (kN) | 90.6 |
| Rod digging force (kN) | 57.2 |
| Travel speed (km/h) | 5.5/3.5 |
| Fuel Tank (L) | 240 |
| Hydraulic Tank (L) | 150 |
| Engine Oil changes (L) | 15 |
| Total transport length (mm) | 7280 |
| Total transport width (mm) | 2550 |
| Total transport height (mm) | 2890 |
| Full cab height (mm) | 2740 |
| Minimum ground clearance (mm) | 425 |
| Minimum turning radius of front working device (mm) | 2880 |
| Back end turning radius (mm) | 2205 |
| Onboard width (mm) | 2490 |
| Total track length (mm) | 3360 |
| Track gauge (mm) | 1990 |
| Track plate width (mm) | 500 |
| Track ground length (mm) | 2680 |
| Maximum height at minimum turning radius (mm) | 5905 |
| Number of sprockets (single side) (each) | 1 |
| Number of wheels (single side) (each) | 6 |
| Number of track plates (single side) (PCS) | 41 |
| Maximum digging radius (mm) | 7735 |
| Maximum digging depth (mm) | 5190 |
| Maximum excavation height (mm) | 7695 |
| Maximum unloading height (mm) | 5440 |
| Maximum vertical digging depth (mm) | 4720 |
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