Power transmission system in a tractor

Details Power transmission system in a tractor Power transmission system in a tractor

1988-06-16

1990-07-03

Braun, Leslie A.

Machine element or mechanism

Power take-off

Plural take-off shafts

74 154, 74 158, B60K 1700

Patent

active

049380850

ABSTRACT:
A power transmission system in a tractor having a travelling drive sub-system for driving wheels and a PTO drive sub-system for driving working machines. A transmission case is provided with a single input shaft connected to an engine, and the travelling drive sub-system and the PTO drive sub-system are respectively led out from the input shaft separately. The travelling drive sub-system is connected to the input shaft via a main clutch, and is composed of a multi-stage speed-changer having a plurality of speed-changer clutches. The PTO drive sub-system is connected to the input shaft via a PTO clutch that is different from the main clutch, and at the rear portion of the PTO drive sub-system is provided a power transmission switching apparatus which can selectively transmit power to a plurality of PTO shafts.

REFERENCES:
patent: 4245514 (1981-01-01), Meyahara et al.
patent: 4294130 (1981-10-01), Kisaka et al.
patent: 4667536 (1987-05-01), Ehrlinger et al.
patent: 4727759 (1988-03-01), Yamasha et al.

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