SKU: 077-3492
CAT 077-3492 Hydraulic Oil Filter

We wanted to know how the CAT filter would catch transmission fluid

contamination versus the OEM Allision Filter. The 3 rd party lab test

introduced 30 micron (average transmission debris size) particulates at 1.3

GPM, upstream from the filter. The fluid downstream from the filter was

analyzed to see how much particulate above 30 microns made it past the

filter. 39 minutes into the test, the OEM filter was allowing 55% of particles

above 30 microns through the filter and back into the transmission. At 77.5

minutes, the CAT filter still allowing 0 particles above 30 microns past the

filter.