This document provides instructions for disassembling the transmission of a 428D backhoe loader. It describes removing the transmission from the machine and then disassembling the major transmission components. These include removing the output shafts on the front and rear of the transmission, along with the input shaft. Bearings and gears are then removed from each shaft. The transmission case is also disassembled by removing bearing cups. Tools required for disassembly are listed.