Patent ID: 8286984

Claim:
An articulated harvester, which comprises: (a) a forward bogey having an operator's cab, an engine, a grain harvesting assembly, a grain transfer assembly, but being devoid of an on-board grain bin; and (b) a rearward bogey attached by a steering joint assembly including steering cylinders to said forward bogey and having a powered wheel assembly, an on-board grain bin for receiving grain from said forward bogey grain transfer assembly, and a grain off-loading assembly, said rearward bogey powered wheel assembly comprising a powered stiff axle wheel assembly comprising a single stiff axle powered by a supplemental cylinder assembly and said single stiff axle being connected by a first single beam to a stiff axle joint disposed between said steering joint assembly and said single stiff axle, said stiff axle joint connected to said steering joint assembly by a second single beam, wherein the entire single stiff axle pivots about said stiff axle joint for supplemental steering to crab said articulated harvester after said steering joint assembly has articulated by a defined number of degrees up to about 38Â°.