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大、中吨位的内燃叉车和轮式装载机通常由液力变矩器和动力换挡变速器组成动力系统以满足道路条件。工况负荷变化及前进、后退和停车的要求，并依靠湿式摩擦离合器或制动器的接合与分离进行换挡，现以ＣＰＣＤ５０型叉车采用的多片湿式离合器常啮合齿轮半自动液压换挡变速器为
Large and medium tonnage internal combustion forklifts and wheel loaders usually consist of torque converter and power shift transmission to form the powertrain to meet road conditions. Working conditions load changes and forward, back and parking requirements, and rely on the wet friction clutch or brake to engage and disengage the shift is to use CPCD50 forklift multi-plate wet clutch constant mesh gear semi-automatic hydraulic shift transmission is