Dodge Cummins Diesel Forum - View Single Post - Anyone buy a 2019 HD yet?
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post #45 of (permalink) Old 04-22-2019, 06:04 PM
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What kind of rpm does the 2019 run at 70 mph?

Without the 3:45 option, good fuel mileage will be tough on the interstates because of them no longer offering that ratio. I had a Cummins with the 3:72??? or whatever. Hated it as I had to run under 70 mph or the fuel mileage tanked.
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