Transmission for self-propelled working vehicles
Patent
·
OSTI ID:5702179
A self-propelled working vehicle is described wherein left and right rear wheels are driven by engine through a transmission path including therein before a differential gearing for the rear wheels a hydrostatic transmission and speed-change gearing which are connected in series with each other. There are provided a mid-PTO shaft for driving a working implement of mid-mount type and a rear-PTO shaft for driving a working implement drawn by the vehicle, a transmission for transmitting power from the engine to the rear wheels and to the PTO shafts. There is provided between the left and right rear wheels a transmission case which supports rotatably at left and right sides thereof the wheels and which journals the PTO shafts in a fashion such that the mid-PTO shaft extends forwardly from the case at a low level thereof whereas the rear-PTO shaft extends backwardly from the case at a middle level thereof. The hydrostatic transmission is fixedly arranged on the front of the transmission case at a level about the mid-PTO shaft in a fashion such that hydraulic pump thereof driven by the engine is disposed above hydraulic motor driven by the pump, shafts of the pump and motor being projected into the transmission case.
- Assignee:
- Kanzaki Kokyukoki Mfg. Co., Ltd., Amagasaki
- Patent Number(s):
- US 4579183
- OSTI ID:
- 5702179
- Country of Publication:
- United States
- Language:
- English
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