The Cummins 5.9ISB comes with the Allison 2500MH tranny, which is a 5 speed.
The big decision to make is which engine/transmisison do you want. The SE only comes with the smaller ISB 300hp, vs the available CAT C-7 350hp (a 12K option).
The CAT will provide better driveability, especially in the mountains. But the ISB will provide 2-3 mpg over the CAT. Personal choice.
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Don
'07 Winnebago Journey 34H - CAT C7, Koni's, MCU's, SS Bell Crank, Safe-T-Plus
'07 HHR Toad, SMI AFO, Blue OX
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