The utility model relates to a positive tractor device for indirect extrustion adopts the tractor structure that the liftable side pressed from both sides formula fixture, mainly includes parts such as tractor and rail. The tractor comprises automobile body, the device of keeping silent, drive arrangement and hydraulic pressure part etc. And the rail device comprises rail and rack etc. Through the drive walking of rack and pinion mechanism, adoption infrared light communication system transmitting?data. This kind of positive tractor device for indirect extrustion can get into standing wave guenching unit in process of production, both has been applicable to forward extrusion production and also has been applicable to indirect extrustion production, makes the towing of tractor more steady moreover, improves rapidity, stability and the reliability of tractor operation, reduces the manufacturing cost of tractor. This kind of positive tractor device for indirect extrustion can realize the continuous extrusion and pull technology, improves production efficiency and lumber recovery, reduces the aluminium extruded and presses the production facility energy consumption, and can improve the stability of aluminium alloy quenching process, make the performance of aluminium alloy more stable.