牵引力

fā dòng jī de niǔ zhuǎn lì yuè dà tóng děng qíng kuàng xia qiān yǐn lì jiù yuè dà

发动机的扭转力越大，同等情况下牵引力就越大。

The more torque an engine has, the bigger the load it can pull in the same gear.