Dodge Cummins Diesel Forum - View Single Post - First Oil Change on 2018 Cummins dually crew cab
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post #6 of (permalink) Old 12-15-2018, 10:10 PM
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Originally Posted by BrianF View Post
That's a good deal, regardless of oil used. Don't sweat the use of conventional oil. Guys use 15w40 year round up here and their trucks long rot away before the engine wears out.
Everything you state is fair, but..........

The manual does mention using 5W40 when the anticipated temperature range will be at or below 0*F.

2018 RAM 4500 Chassis Tradesman Crew Cab 60Ē C/A 4WD, 6.7L Cummins, AISIN AS69RC Transmission, 4.10 Axle Ratio, Chrome Appearance Group, Keyless Entry, Fog Lamps, Chrome Tubular Steps, 52+22 gallon fuel tanks, 5.0 Radio, Single Disc CD Player, 225/70R19.5 Continental HDRís, Aluminum Wheels, Parkview Backup Camera, Trailer Brake Controller. Equipped with a CM SK Series flatbed w/B&W Turnover Ball. Purchased new April 23, 2018. Currently : 176,194 miles and 3,098 hours as of October 26th, 2019 (Average Miles Per Hour = 56.9)
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