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555 Cummins good bad and the ugly questions

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DougG View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DougG Quote  Post ReplyReply Direct Link To This Post Topic: 555 Cummins good bad and the ugly questions
    Posted: 06 Aug 2012 at 12:01pm
Ive found an old Dodge c800 single axle semi that has a 555 Cummins in it, i kno the 440 AC had them, are they ok? The trucks in good shape id just use it for tractor shows, pulls etc, no cross country trucking!
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Calvin Schmidt View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Calvin Schmidt Quote  Post ReplyReply Direct Link To This Post Posted: 06 Aug 2012 at 3:43pm
The 555 and the 903's were not Cummin's proudest acheivements. I don't have any personal experience except for driving a Kenworth one day with a 903. It would likely do good in your application and the truck itself would be a classic.
Nothing is impossible if it is properly financed
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DMiller View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DMiller Quote  Post ReplyReply Direct Link To This Post Posted: 06 Aug 2012 at 4:57pm
The triple nickel was short on longevity and a whole lot of woe when it came to repairs.  Few mechanics would work on the quirky engines, they rattled alot and were the envy of Detroit Diesel for oil leaking.  The 903 was more commonly called the 90nothing or the 900 cubic inch with three working cylinders.
 
Parts are becoming scarce as the engine company has not made either in some twenty years and few were actually built, thank goodness.
 
Me, I hated dealing with either as most times they were in a short nose with the back two cylinders under the cowl or in a cabover with a shift tower on one side in the way and the engines tucked so far in to give you claustraphobia.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DaveCinIN Quote  Post ReplyReply Direct Link To This Post Posted: 06 Aug 2012 at 8:39pm
I don't have experience with the 555 in a truck but we have one driving a fire pump at work. Only repair in 20+ years was a head gasket replacement, but it only runs 1 hour a week unless we are testing fire systems or there is a fire.
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stolfarms View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote stolfarms Quote  Post ReplyReply Direct Link To This Post Posted: 09 Aug 2012 at 12:01am
my dad has a 903 that he baught new back in 73 ish an we still run it today the 555 was just a wet dream though id say
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