R48191 Race For Lift Cylinder Trunnion Fits Case 850B, 850C, 850D, 850EOne New Aftermarket Replacement Race Lift Cylinder Trunnion for Case Crawler Dozers This aftermarket replacement race fits the lift cylinder trunnion on Case 850B, 850C, 850D, and 850E crawler dozers. The trunnion race is a critical wear component in the dozer blade lift system, seating at the pivot point where the lift cylinder connects to the front shroud assembly and allowing the blade to raise and lower smoothly. Each machine requires two (2)