HILLSIDE TRACTOR Russian patent published in 1995 - IPC

FIELD: agricultural engineering. SUBSTANCE: tractor has two pairs of tracks which are installed for adjustment of their position relative to longitudinal axis of tractor framework. Located between framework and crawler drives are two pairs of platforms. Upper platform is installed under framework, and lower one, above drives. Upper and lower platforms are connected for turning relative to each other. Lower platform is provided with T-section guide over circumference, and made on upper platform is T-shaped slot over circumference on periphery of platform. EFFECT: enhanced operation reliability. 2 cl, 6 dwg