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| CK6 locomotive is diesel-hydraulic transmission shunting locomotive for narrow-gauge railway. The locomotive adopts single driver cab and outside corridor structure. It is equipped with a high-speed diesel engine, with service power of 977KW and the maximum running speed of 65km/h. | 
| Main Technical Parameters | 
| Application | Shunting | Track Gauge | 1000mm | 
| Axle Arrangement | C-C | Wheel Diameter | 915 mm | 
| Axle Load | 13t | Locomotive Service Weight | 78t | 
| Max. Service Output of Diesel Engine | 950kW | Min. Negotiable Curve Radius | 80m | 
| Max. Running Speed | 55km/h | Continuous Speed | 10km/h | 
| Max. Starting Tractive Effort | 230kN | Continuous Tractive Effort | 170kN | 
| Fuel Capacity | 1600L | Oil Capacity | 140L | 
| Sand Capacity | 500kg | Overall Dimensions (L×W×H) | 16500mm×2850mm×3880mm |