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Old 03-24-2019, 11:48 PM   #1
Sean Marconette
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Default Re: How much weight towed with a 98.5-01 Cummins dually?

Your welcome!
I never had an issue with pulling grades. Yes it pulled my 48' trailer without issue. I always ran stock size tires too. The tuner was like night and day on power output.

Sean
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Old 03-25-2019, 09:41 AM   #2
BillyRyan
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Default Re: How much weight towed with a 98.5-01 Cummins dually?

Great, I did find out I have 3.55 gears. So I’ll look into swapping them to 4.10s and purchasing a programmer and go from there. Thanks again I appreciate it.
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Old 03-25-2019, 09:54 AM   #3
FED 387
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Default Re: How much weight towed with a 98.5-01 Cummins dually?

Depending on which DANA you have there is a a 373 available little more gear than the 355 but not as tall as a 410 you get a little more pulling power but fuel mileage doesn't get totally killed either
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Old 03-25-2019, 08:08 PM   #4
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Default Re: How much weight towed with a 98.5-01 Cummins dually?

Quote:
Originally Posted by FED 387 View Post
Depending on which DANA you have there is a a 373 available little more gear than the 355 but not as tall as a 410 you get a little more pulling power but fuel mileage doesn't get totally killed either
I might be wrong but I think the 3.73 is for the rear end that replaced the Dana in the D3500 turcks. I think the brand is "American".
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