Method of automatically changing the speed stage of a vehicle ba

Details Method of automatically changing the speed stage of a vehicle ba Method of automatically changing the speed stage of a vehicle ba

1993-03-30

1994-06-07

Harvey, Jack B.

Boots, shoes, and leggings

180338, 477 63, 477115, B60K 4106

Patent

active

053195590

ABSTRACT:
A method for automatically changing the speed of a dump truck for use as a construction vehicle which is capable of improving the fuel cost by utilizing the engine output effectively and efficiently, improving the durability of the power transmission system and giving the driver a comfortable ride. According to this automatic speed change method, a desired, optimum speed stage which meets the loading condition of the dump truck and/or the engine output condition can be selected by using controllers each having a built-in computer.

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