• The Three wheel tractor is more versatile compared to the 4 wheel tractor; it shortens the welding spacing and has a wider welding range for wires from Φ2.0 to Φ5.0 mm.

• Besides linear welding, the three wheel tractor can turn left and right and weld around circular curve.

• Easy and flexible regulation, integrated up and down, rotation of the tractor head with the torch.

• Easy adjustable flux container.

• Double driven wire feeding with straightening mechanism, stable wire feeding, good centering, strong drawing force and low dissipation power.