1. The optimum design lifting mechanism which adopts high strength steel sheet is large in the lifting power. The luffing angle of lifting boom is 0 - 65°; The lifting boom is single-stage telescopic and its telescopic distance is 3500 mm. Lifting mechanism can revolve at direction and has 2 hydraulic winches with 100 kn rated pulling force.

2. The rotary counterweight increases the power to lift vehicles; the PY5321TQZX Wrecker of our company adopts domestic special design idea and uses rotary counterweight to solve this problem. In the preparation conditions, counterweight lies near the rear axle and in the lifting conditions, it rotates to the neighborhood of cab. In this way, the front axle can remain reasonable load no matter that it is in the preparation conditions or in the lifting conditions. The corbel has two stage extension and strong hoisting power. The stationary hoisting power can be 20000 kg.

3. Hydraulic system has a reasonable design which ensures the stability and height of work. The imported pump and many kinds of hydraulic parts are famous international brands and the hydraulic system work reliably. The power of hydraulic system comes from the chassis engine with the help of the power take-offs installed in the derailleur.

4. It has many kinds of rescue form and hoisting form: it can hoist the front tire, the back tire, the head of the spring steel plate, front axle, rear axle, the head and the tail of the girder of the accident vehicles; so the problem of rescuing failed vehicles with long front overhang and low chassis can be solved.