The tractor tipping semi-trailer PST-9 with rear unloading is designed for transportation of different agricultural loads, grain, root crops, organic fertilizers, building materials and other loads.
The tailgate opens automatically during the body tipping. The semi-trailer has a balance-cart with rigid or spring suspension with four 16,5/70-18 tyres, which  provides smooth running.
It is equipped with pneumatic brakes.
Optionally the semi-trailer can be equipped with additional sides. .