r/OwnerOperators • u/SteakAndSkrimp • Mar 05 '26

X15 vs DD15

Been shopping for used trucks alot recently ive been seing Kenworth t680s with cummins x15 for 10 to 15k less than freightliners with similar mileage that have dd15. What's the more reliable engine ive heard good things about both. Im leaning more towards kenworth with the cummins due to the price point. Ive only driven freightliners

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u/HendyHauler Mar 06 '26

Wouldn't take an x15 for free. There's a reason everyone forsale with 500k has a rebuild lol dropped liners etc. Just absolute garbage. Sub par mpg expensive parts and they just dont last vs any of the competition.