驱动形式多样，设有手动、蜗轮传动、电动、电液动、气动、自动调节等，充分满足不同工艺的需求。

The driving type is manual, worm gear, electric, electric hydraulic, pneumatic, automatic adjusting etc, which satisfies different process requirement.

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从提高传动效率和节能的角度出发，提出用PLC(可编程序控制器)和HMI(人机界面)控制电液自动变速器(4d180型)的全新控制方案。

In view of saving energy and enhancing transmission efficiency, a new PLC and HMI based shift control to 4d180 hydraulic torque converter is proposed.

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