This is a 2003 Cummins powered stepvan. Has the 4 valve/cylinder cummins engine with the Allison A1000 overdrive transmission. This is an originally cummins powered truck. Not one that has been converter from a 6.5 to the older style 4BT.. Same tranny as in the GM diesel powered pickups. Allison A1000 with overdrive and a park. Contact for more details.