Tractor for agricultural purposes

Details Tractor for agricultural purposes Tractor for agricultural purposes

1983-02-22

1985-06-18

Pekar, John A.

Motor vehicles

Special wheel base

Five or more wheels

180242, 180900, 280415A, 280759, B62D 6110

Patent

active

045236569

ABSTRACT:
A tractor for agricultural purposes, particularly for seedbed preparation, which comprises an engine of thirty or more kilowatts' power, a frame having two frame parts which are movable relative to each other about the frame's longitudinal axis, an axle extending from each side of each frame part which mounts on common wheel supports two tandem wheels having pneumatic tires mounted thereon. Each wheel is driven directly by its own hydraulic motor which is energized by a common hydraulic pump which, in turn, is driven by a diesel motor. The latter also drives via a gear box PTOs extending outwardly between wheels fore and aft and is the power source for two lifting devices, also extending outwardly between wheels fore and aft. The weight of the tractor is about forty kilograms per kilowatt engine power. Each lifting device has at its coupling points, a lifting capacity of at least one thousand kilograms.

REFERENCES:
patent: 3944252 (1976-03-01), Barth
patent: 4105085 (1978-08-01), van der Lely
patent: 4173352 (1979-11-01), van der Lely
patent: 4207956 (1980-01-01), McColl
patent: 4340240 (1982-07-01), Anderson

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