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| GK1C diesel locomotive is diesel-hydraulic transmission shunting and transfer locomotive for standard gauge railway. With an outside corridor carbody, the locomotive is equipped with a 6240ZJ medium-speed diesel engine of 1000kW service power, the axle arrangement is B-B and the axle load is 25t. The starting tractive efort is 320kN in shunting operation condition and 230kN in transfer operation condition; the continuous tractive effort is 270kN in shunting operation condition and 157kN in transfer operation condition; the continuous speed is 10km/h in shunting operation condition and 14km/h in transfer operation condition; the maximum operating speed is 35km/h in shunting operation condition and 75km/h in transfer operation condition. The locomotive is suitable for shunting and transfer operation in large industrial and mining enterprises such as metallurgy petrochemical, oil fields, seaports and mines. | 
| Main Technical Parameters | 
| Application | Shunting & transfer service | Track Gauge | 1435mm | 
| Axle Arrangement | B-B | Wheel Diameter | 1050mm | 
| Axle Load | 25t | Locomotive Service Weight | 92t (100t) | 
| Max. Service Output of Diesel Engine | 1000kW | Min. Negotiable Curve Radius | 70m (50m) | 
| Max. Running Speed | 35/km/h / 75 km/h | Continuous Speed | 10km/h / 14 km/h | 
| Max. Starting Tractive Effort | 320kN / 230kN | Continuous Tractive Effort | 270kN / 157kN | 
| Fuel Capacity | 3500L | Oil Capacity | 700kg | 
| Sand Capacity | 600kg | Overall Dimensions (L×W×H) | 15500mm×3348mm×4751mm |