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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 (280 Series) | 
| Engine Type | 6280ZJ | 12V280ZJ | 16V280ZJA | NY12V280ZJA | 
|---|---|---|---|---|
| Cylinder Arrangement | In-line arrangement | V-type 50° | V-type 50° | V-type 50° | 
| Number of Cylinders | 6 | 12 | 16 | 12 | 
| Nominal Revolution (r/min) | 1000 | 1000 | 1000 | 1000 | 
| Nominal Power (kW) | 1575 | 3150 | 3860 | 3700 | 
| Service Power (kW) | 1500 | 3000 | 3680 | 3550-3700 | 
| Overall Dimension (L×W×H mm) | 4417×1736×3298 | 4035×2070×2860 | 4971×1725×2895 | 4707×1770×3070 | 
| Weight (t) | 15.8 | 21.2 | 25.5 | 22.8 |