To provide a crawler type travelling body capable of reducing noise generated as a belt flaps and makes contact with a sprocket, etc., and excellent in durability.

Flapping of a belt is prevented while a crawler type travelling body travels by winding coil springs 11 around bushes 10 and fixing both end parts of them and restraining reciprocal bending of adjacent ones of links 8, 9 by spring force of the coil springs 11 on the crawler type travelling body constituted free to bend by connecting a large number of the links 8, 9 to each other by the bushes 10 and pins and-furnished with the endless type belt wound around a sprocket and an idler and driven by the sprocket.