B - Operations – Transporting – 62 – D
Patent
B - Operations, Transporting
62
D
74/91
B62D 11/16 (2006.01)
Patent
CA 1064288
TRANSMISSION FOR CRAWLER TRACTORS Abstract of the Disclosure A transmission for a crawler tractor includes a first cross- drive shaft arrangement including two separate sections with a forward/reverse bevel gear arrangement connecting the two sections to a drive input shaft so that each shaft section is capable of being driven in forward or reverse. A second cross shaft arrange- ment is connected to the first cross shaft arrangement by constant- mesh spur gears and a third cross shaft arrangement is connected to the second cross shaft arrangement by further sets of constant- mesh spur gears. The second and third cross shaft arrangements are separated into shaft sections and the spur gearing and connec- tions between shaft sections may be controlled such that Low and High working ranges may be effected in the transmission with first and second speeds being possible in the Low range, third and fourth speeds being possible in the High range and with a reduction being possible in each of the Low and High ranges. The transmission is further controllable for driving the opposite tracks of a crawler tractor in either forward or reverse at the four speeds, or for turning the tractor either by pivot-turning (power on the outer track), or by power-turning (power on both tracks but at different speeds) or by spin-turning (power on both tracks at the same speed but in opposite directions).
269534
Deere And Company
Na
LandOfFree
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