Technical Parameter
| Conventional parameters | |
|---|---|
| Equipment Model | JY645E |
| Model Abbreviation | 645 |
| Excavator Weight (t) | 45 |
| Traveling Method | Crawler |
| Bucket Type | Backhoe |
| Operating Conditions | Mining |
| Engine (Fuel) | |
| Engine Brand | Cummins |
| Model | CumminsQSMⅡ |
| Rated Power (kW) | 250 |
| Rated Speed (r/min) | 2000 |
| Performance Parameters | |
| Operating Weight (kg) | 45000 |
| Bucket Capacity (m³) | 2.1 |
| Travel Speed (High/Low) (km/h) | 5.5/2.9 |
| Swing Speed (rpm) | 9 |
| Grounding pressure(kPa) | 0.038 |
| Slope Climbing Ability(%) | 65 |
| Bucket Digging Force (kN) | 275 |
| Arm Digging Force (kN) | 217 |
| Boom Length (mm) | 2800 |
| Machine Dimensions | |
| Length × Width × Height (Transportation Status) (mm) | 6150×2200×2490 |
| Cabin Full Height (mm) | 2645 |
| Clearance Over Counterweight (mm) | 806 |
| Track Ground Length (mm) | 2810 |
| Total Track Length (mm) | 2813 |
| Track Shoe Width (mm) | 450 |
| Track Gauge (mm) | 1750 |
| Minimum Ground Clearance (mm) | 368 |
| Rear End Swing Radius (mm) | 1850 |
| Working Range | |
| Maximum Digging Radius (mm) | 11550 |
| Maximum Digging Height (mm) | 11900 |
| Maximum Dumping Height (mm) | 8550 |
| Maximum Vertical Digging Depth (mm) | 7345 |


