1J6744 Bearing Fits Caterpillar 8A 8 D8N D8R D8R II D8T 57HOne New Aftermarket Replacement Trunnion Bearing Fits Caterpillar (Fits CAT) D8 Series Crawler Dozers This aftermarket trunnion bearing replaces OEM Fits Caterpillar part number 1J6744 and is used in the dozer blade trunnion assembly on Fits Caterpillar (Fits CAT) D8 series crawler dozers. The trunnion bearing supports the ball and socket pivot connection between the push arms and the blade C frame, allowing the blade to angle and tilt under heavy
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