... , D85, D155 Part Number: 9P9360, 9S6875, 145-27-41510 Description: Gears Gears:OEM standard highest quality steelHeat treated and machined by US ... heat treatment line and gear manufacturing line.Gears available for Transmissions, Final Drives and other Heavy-Duty applications ... , FIRST, D155175-27-31233PINION, SECOND, D155175-27-31362RING GEAR, D155 Gears