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| SDD22 AC-DC electric transmission diesel locomotive is used for main line passenger and freight transportation on broad gauge railway. The locomotive adopts single driver's cab and outside corridor structure, equipped with a 1960kW diesel engine and a maximum running speed of 120km/h. The locomotive adopts main and auxiliary coaxial generator and 310kW rolling axle-suspension traction motor. It is equipped with microcomputer control system, multiple-unit device and resistance brake. | 
| Main Technical Parameters | 
| Application | Main line passenger & freight transportation | Track Gauge | 1676mm | 
| Axle Arrangement | C0-C0 | Wheel Diameter | 1016mm | 
| Axle Load | 17.5t | Locomotive Service Weight | 105t | 
| Max. Service Output of Diesel Engine | 1960kW | Min. Negotiable Curve Radius | 145m | 
| Max. Running Speed | 120km/h (passenger) 120km/h (freight) | Continuous Speed | 21.5km/h | 
| Max. Starting Tractive Effort | 336kN | Continuous Tractive Effort | 220kN | 
| Fuel Capacity | 5500L | Oil Capacity | 360kg | 
| Sand Capacity | 200kg | Overall Dimensions (L×W×H) | 19572mm×3070mm×4230 mm |