Did you mean: tractor ?
| 牵引力 | qiān yǐn lì | motive force / traction | 
| 拖带 | tuō dài | traction / towing / pulling | 
| 延烧 | yán shāo | (of fire) to continue burning; to spread / (fig.) (of a disease, controversy, issue or trend) to spread; to intensify; to gain traction | 
| 抓地力 | zhuā dì lì | traction | 
| 拖动力 | tuō dòng lì | motive force / traction |