1968 - 69 D7 | Heavy Equipment Forums
1968 - 69 D7 . Discussion in 'Dozers' started by ms0115, Mar 3, 2014. ms0115 Senior Member. Joined: Mar 3, 2014 Messages: 304 Location: Ethridge, TN. ... By calling a friend at a dealership he went into the legacy numbers and determined that it was a 68-69 with a 4 cylinder D339 and a powershift transmission part number 2S7900. That is ...