K12-500 diesel engine
Leading technology, by Yuchai and YAMAHA jointly developed, the fuel injection technology of BOSCH high pressure common rail, combined with Yuchai leading combustion system development technology and the electronic control system calibration technology, high reliability;
Low fuel consumption, using electronically controlled high pressure common rail technology, high precision injection, injection pressure, injection pressure is 6 times higher than the traditional diesel engine with four valves, advanced technology, advanced equipment system, the diesel combustion efficiency is greatly improved, can save more than 10%;
High reliability, the main parts choose import or joint venture brand, to ensure high reliability of engine parts, B10 life of 60000 hours;
Small engine, light weight, long life, is a new generation of green environmental protection ship engine.
| Model | Crankshaft output power(kw/hp) | Tail shaft output power(kw/hp) | Rotational speed(rpm) | Cylinders | Displacement(L) |
| K12-500 | 368/500 | 357/485 | 1800 | 6 | 12 |
| K12-550 | 404/550 | 392/533 | 1900 | 6 | 12 |
| K12-600 | 441/600 | 428/582 | 2100 | 6 | 12 |
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