Forum Discussion
Kayteg1
Apr 17, 2018Explorer II
Don't know what HP your Cummins has, but my 440HP Powerstroke, 3.50 differential did pull over 20,000lb combo on long California grades without dropping from overdrive.
Went empty on 20% grade. Did it on 4th gear.
Went empty on 20% grade. Did it on 4th gear.
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