This hydraulic filter element removes particulate contamination from the oil circulating in the tractor's hydraulic system. It is installed in the filter housing located on the return side of the hydraulic loop, positioned between the control valves and the reservoir. The filter media captures wear debris from pumps, motors, and actuators before the oil returns to the sump. As the element loads with contaminant, the differential pressure across the media rises; a built-in bypass valve will open at a set pressure to maintain flow, but this sends unfiltered oil downstream. A clogged element that keeps the bypass open allows abrasive particles to recirculate, accelerating wear in the pump and valve spools. The manufacturer machines the sealing surfaces to match the housing's groove geometry, ensuring the bypass valve seats correctly and the element seals without leakage. On reinstall, replace the housing gasket and tighten the cover cap to the specified torque.
Donaldson Company, Inc. was founded in 1915 by Frank Donaldson in Minneapolis, Minnesota, USA. Initially, the company developed an air cleaner for farm tractors, addressing a critical need for engine protection in dusty agricultural environments. Today, Donaldson remains headquartered in Minneapolis and has grown into a global leader in filtration systems, serving a wide array of industries beyond agriculture.
Donaldson is renowned for its comprehensive range of filtration products, including air, liquid, and hydraulic filters. Its advanced filtration technologies are designed to protect engines, equipment, and processes from contaminants, enhancing performance and extending machinery lifespan. The brand's product lines include PowerCore® air filters, TopSpin™ pre-cleaners, and various fuel and lubricant filters, all engineered for demanding operational conditions in heavy-duty machinery.
At Partao, you can find a broad selection of genuine Donaldson spare parts across top categories such as Bolts & Fasteners, Hydraulic Filters, Oil Filters, Air Filters, and Beacon Lights. These components are essential for maintaining the efficiency and longevity of agricultural and off-highway equipment. Over 77,090 genuine Donaldson spare parts are available at Partao.
Equipment operators globally rely on Donaldson for robust and effective filtration solutions. The brand's extensive network ensures that high-quality replacement parts are accessible, supporting the continuous operation of machinery in diverse applications, from agricultural fields to construction sites. Choosing Donaldson parts helps maintain optimal engine health and operational reliability.