We are offering automatic tyre changer. Pneumatic back tilting post, vertical and horizontal arm can be locked pneumatically at the same time.Larger and thicker turntable, dismounting 11" -24" rim and max. Tire diameter 1100mm.Taller vertical arm, dismounting max. Tire width 330mm, 40a reverse switch .silver point, which can bear more pressure and work for a long time.The hexangular shaft is made of s41, which can avoid the distortion and error when operate the 11"-24" stiff tire.Foot pedal is made of high quality steel material which can work for a long time.The clamping jaws and mounting demounting head are made of high quality alloy steel and are of scientific structural design protects rim from any damage during operationpowerful 100 cylinder.High powered double acting bead breaking cylinderthe self centering 4 jaws chuck ensures precise and quick clamping of all types of rim from inside as well as outsidestrong pneumatic cylinders guarantee sufficient clamping effort even under full loadnew oversized bead breaking shovel with unique plastic protection cover over the blade for gentle bead breakingthe napped solid rubber contact pad prevents wet tyres from slipping.