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Louisville Switching Blog

Ottawa Yard Truck Hydraulic Valve for Fifth Wheel (Part #90016497)

Posted by Donald Robinson

May 31, 2013 2:29:00 PM

The hydraulic system is powered by a power take off (PTO) which is bolted on the side of the transmission and is ran off the gears inside the transmission. The PTO has a hydraulic pump bolted to it with a shaft that has splines that fit into the PTO. This pumps fluid throughout the system and to the hydraulic valve. 

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