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| The 240 and 280 series diesel engines mass-produced by the company are used for the power device of diesel locomotives, and the new energy-efficient and environment-friendly 240 and 280 locomotive engines with high power, low fuel consumption and high emission standard are innovated and developed by digesting and absorbing foreign advanced engine technology. | 
| Main Technical Parameters (240 Series) | 
| Engine Type | 6240ZJ | 6240ZJD | NY6240ZJA | 12V240ZJ | 16V240ZJB | NY12V240ZJA | 
|---|---|---|---|---|---|---|
| Cylinder Arrangement | In-line arrangement | In-line arrangement | In-line arrangement | V-type 50° | V-type 50° | V-type 50° | 
| Number of Cylinders | 6 | 6 | 6 | 12 | 16 | 12 | 
| Nominal Revolution (r/min) | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 
| Nominal Power (kW) | 1100 | 1210 | 1250 | 2200 | 2650 | 2400 | 
| Service Power (kW) | 990 | 1100 | 1250 | 2000 | 2430 | 2200 | 
| Overall Dimension (L×W×H mm) | 4228×1632×2580 | 3991×1632×2580 | 3888×1858×2553 | 4302×1780×2785 | 5020×1790×2989 | 4099×1743×2946 | 
| Weight (t) | 12.1 | 12.6 | 14.1 | 17.8 | 22.7 | 19.6 |