Abstract: A farm tractor having front and rear frames pivotally interconnected to define an axis of articulation for steering in which the physical arrangement and relationships of the pivot points for the steering cylinders relative to said axis provide desired steering characteristics.

Abstract: A guard for a constant-rotating drive shaft in an articulated farm tractor in which a pair of universal joints are connected on either side of a sliding coupler in the drive shaft, the guard having a pair of U-shaped members, one member affixed to a wall with a bearing supporting the drive shaft from the engine on the front frame and the other member affixed to a transfer case on the rear frame. The two members are spaced apart a slight distance in the straight ahead position, but a portion of one member nests within the other member during articulation of the tractor.

Abstract: In a tractor having a hood and a frame with a latch to establish a closed position of the hood on the frame, the present invention includes a frame track and a hood track secured to the frame and hood respectively, a pair of hood guides secured to the hood and movable in the frame track, a pair of frame guides secured to the frame and movable in the hood track and a mechanism for automatically rigidly connecting the hood to the frame in the closed position.