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View Poll Results: All things considered, which do you feel is the best diesel engine?
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Navistar Maxxforce 1 1.33%
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Old 05-16-2017, 08:09 PM   #29
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American Coach Owners Club
Join Date: Apr 2016
Location: North Florida
Posts: 1,897
Originally Posted by Ray,IN View Post
For use in motor-homes any of them work just fine. My son-in-law is nationwide maintenance manager for one of the largest trucking companies. He said all diesel engines in motorhomes are seldom-if ever- worked as hard as a fully-loaded freight truck/trailer unit running long haul routes. He said the diesel in a MH will never reach the first overhaul point if regular maintenance is performed, the coach part will be falling apart first.
Your sil is correct....same could be said on class 8 semi trucks as well....1 million plus miles is now the norm, not the rare ....for overhaul. Same true for transmission and rear ends. Been a long time coming, when I went to work as a diesel mechanic a engine @ 300k was all it'd do till in frame overhaul.

If only the turbo, emissions, cooling and fuel system could reach those milestones​. But to be fair, all brands have that issue, lol

While technology had a lot to do with it, maintenance practices, stronger emphasis by fleets to lower cost per mile also played a big part.

Having been a "old school" mechanic, and now a real world Technician, I prefer the current engines, regardless of brand.
1999 American Eagle
ASE med/heavy certified technician
ASE advanced diesel certified
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