E - Fixed Constructions – 02 – F
Patent
E - Fixed Constructions
02
F
E02F 9/18 (2006.01) B62D 49/08 (2006.01)
Patent
CA 2072847
ABSTRACT OF THE DISCLOSURE A crawler tractor is disclosed with a counterweight assembly which affords optimum weight distribution and traction for operation on steep slopes and grades. The assembly includes a counterweight body having a shank which is carried by a housing mounted by a support arm weldment on the rear end of the tractor. The shank is releasably engaged with the housing. Hydraulic actuators are provided to move the counterweight to a lowered position for backing the tractor uphill, and for raising the counterweight for dozing in a downhill direction. One embodiment provides for selective fore and aft positioning of the counterweight relative to the tractor in accordance with operation conditions.
Golden Sunlight Mines Inc.
Smart & Biggar
LandOfFree
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