Tractor series Application & features Our company combines actual production and customers demand, manufactures various type traction engine, such as: the crawler type, the belt type and idler wheel type, and they be apply to the traction of all kinds of tubes extensively, its even as small as PVC and PP siphon pipes of 2mm-3mm,its even as big as PE and PVC pipes of 500,630 1 The idler wheel adopt all wool and a yard rubber ,strongly resists the great pressure and fraying 2 The belt adopt multi-straps and Man Fine Rubber in the processing 3 The type traction engineer with crawler type are divided into double-pedrail ,three pedrail, four-pedrail and six-pedrail and several kinds of specifications 4 The traction system adopts many ways of speeding such as sliding shift gears, and frequency conversion and traction, in order to meet the demands of the different customers 5 By changing different rubbers of the pedrail type traction engineer we can get the traction to many kinds of irregular materials