Yuchai engine series: 40–1200 kW, low vibration, low noise, long maintenance intervals — suited to farms, factories, construction sites and remote facilities. Engines: YC4D / YC4A / YC6A / YC6MK / YC6MJ / YC6T / YC6TD / YC6TH / YC6C / YC12VC. Open standard; silent and trailer options available.