One New Aftermarket Replacement Circle Drive Pinion Fits Caterpillar (Fits CAT) Motor GradersThis aftermarket circle drive pinion (also known as a pinion-circle drive) is a key component of the blade rotation system on Fits Caterpillar motor graders. The pinion gear engages the circle ring gear to control the blade angle and lateral position, allowing the operator to precisely position the moldboard during grading operations.Specifications Part Type: Circle Drive Pinion Weight: Approximately 13-15 lbs Fits Equipment Type: Motor Grader Compatible ModelsFits Caterpillar (Fits CAT) Motor Graders: 120G, 120H, 120H ES, 120H NA, 120K, 12G, 12H, 12H ES, 12H NA, 130G, 135H, 135H NA, 140G, 140H, 140H ES, 140H NA, 143H, 160G, 160H, 160H ES, 160H NA, 163H NAReplaces Part Number(s):8W5092, 8W-5092, 8W 5092, 2618553, 6G5051, 6G 5051, 8D7414, 8D 7414Aftermarket Interchange Numbers261-8553, 2826569, 282-6569, 4229842New aftermarket replacement part - not remanufactured, not used.
