Patent ID: 8408567

Claim:
A swather tractor comprising: a tractor frame; a cab, an engine and a drive system mounted on the frame; a transverse front frame assembly mounted at a front of the frame; a transverse rear axle assembly; the rear axle assembly having a pair of rear castor wheels each mounted at a respective end of the rear axle assembly; the front frame assembly comprising a cross member having at each end a respective one of a pair of upstanding legs; each leg carrying at a lower end thereof respective one of a pair of front ground wheels for supporting the tractor; each of the front ground wheels being driven by the drive system for powering forward motion of the tractor over the ground; the front frame assembly carrying a header support system including a pair of lift arms arranged for supporting a header in front of the front wheels; the tractor frame being connected to the front frame assembly by a coupling which allows suspension movement of the tractor frame relative to the front frame assembly.