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High-power six-cylinder non-road special engine jointly designed by Yuchai and German FEV.

The YCA07 engine is the classic power of domestic medium-sized engines, and is Yuchai’s most brand-effective power. Its market share ranks among the domestic YC6J engines with the same displacement and power as an upgraded product on the basis of the YC6J engine.

Low-speed torque up to 834Nm, strong ability to start at low gears, climb hills, and pass hurdles.
| Models | YCA07175-T480 | YCA07P260-T400 |
| Number of cylinders, Bore×Stroke(mm) | 6-108×125 | 6-108×125 |
| Displacement(L) | 6.9 | 6.9 |
| Number of valves per cylinder | 2 | 2 |
| Air intake method | charge inter-cooling | charge inter-cooling |
| Rated power/speed(kW,r/min) | 129/2200 | 191/2200 |
| Maximum torque / speed(N·m,r/min) | 750/1600 | 1080/1600 |
| Low speed torque/speed(N·m,r/min) | ≥550/800 | ≥780/1000 |
| Emission level | GB20891-2014 Phase IV Emission Standards | |
| Emission technology route | CR+DOC+DPF+SCR | CR+DOC+DPF+SCR |
| External characteristic minimum fuel consumption(g/kW·h) | ≤200 | ≤198 |
| Oil change cycle | 500h | 500h |