DD - TRANSMISSION Transmission for 640/648H Skidders Parts group Transmission for 640/648H Skidders Transmission for 640/648H Skidders . YZ18999 Transmission, Direct Drive YZ18837 Reman DF180 Transmission (604614 - 613145) YZ106071 Main Case Group YZ106073 Transmission Case (TC) YZ105623 Transmission Rear Housing (TC) YZ106071 Housing (DD) YZ105658 Second Stage Assembly YZ102979 First Stage Assembly YZ105926 Third Stage Assembly(TC) YZ105659 Third Stage Assembly YZ106813 Fourth Stage Assembly YZ105521 Fifth Stage Assembly (TC) YZ105661 Fifth Stage Assembly YZ105632 Sixth Stage Assembly YZ105633 Sixth Stage Assembly (TC) YZ105637 Output Group YZ105640 Output, Seventh Stage (TC) YZ103121 Yoke Group, Input, 6C YZ105673 Power Take Off Transmission Case With Winch (DD) YZ105673 Power Take Off Drive with Winch YZ105675 Power Take Off Transmission Case With Winch (TC) YZ105675 Power Take Off Drive (TC) YZ104145 Gear Transmission Case YZ104145 Power Take Off Cover Group YZ105667 Control Valve and Mounting Group YZ105667 Control Valve YZ105920 Control Valve and Mounting (TC) YZ105920 Control Valve (TC) YZ104447 Charge Pump Group YZ501930 Proportional Solenoid Assembly YZ104132 Power Take Off Gear Group Kit (DD) YZ105330 Power Take Off Gear Group Kit (TC) YZ105653 Wet Brake Group Select group Transmission for 640/648H Skidders John Deere: 20 Transmission YZ18999, YZ19000