Stone burier with hydraulic adjustment. IS L series. Tractor power 20 ch - 45 ch. Stone burier for tractors from 20 to 45 HP, ideal for working in stony fields in order to improve the preparation, not only for farming purposes, but also in greenhouses, parks, gardens and golf yards.Working principle. Mobile crushing plant is a kind of wheel type mobile stone crusher plant. It combines vibrating feeder, jaw crusher, cone impact crusher, vibrating screen on one truck body to crush and screen gravels automatically. This four-in-one crushing plant is reasonable circular crushing system to crush stone in higher efficiency.