Which Cummins is this ? - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 2 (permalink) Old 08-30-2009, 05:29 PM Thread Starter
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Which Cummins is this ?

Not sure if this belongs here or IN Heavy Duty but ,my freinds looking at a Class A winnebago. It has:


Is this Motor the 5.9 or 8.3 ?
Any know issues with them ?

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post #2 of 2 (permalink) Old 09-02-2009, 09:30 PM
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It's the 8.3L, electronic. The most frequent failures on the earlier engines were related to fuel system components on the high pressure side. Campaign 9901 corrected the problem. Your friend should get the engine S/N and call a local Cummins dealer/distributor to see if the campaign was ever done to this engine. Other than the early fuel system problems, I think it's a good engine. Would love to find a way to get it into my Ex.

Technically, the ISC is considered medium duty.

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