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Old 03-27-2005, 05:15 PM   #11
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Quote:
There was an L-10(liter) engine about 10 years ago but was replaced by the M11, which in turn was replaced by the ISM.
That was helpful.
I've also come across in my reading something about a Cummins ISC? Is that also an obsolete engine?

What do all those IS_ letters actually stand for?

How important is the matching of the engine to the transmission type and number of drive wheels?
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Old 03-27-2005, 06:08 PM   #12
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Man, you're really testing my Cumminsology!
Ok, the ISC is the next block size down from the ISM series, and is only put in some of the heavier medium trucks(Class 6-7), no Class 8's. It is not obsolete, but has been around about 18-20 years, and is fairly common mostly in medium Freightliners like the FL60 through the FL80. You got me on what the "IS" letters stand for, though. Call a Cummins Distributor. They MIGHT know(no guarantees on that one!).
Gary
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Old 03-27-2005, 08:43 PM   #13
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Quote:
Cumminsology
IS_ Interact System is my best guess from the Cummins website.Cummins
Indeed there are the IS X,M,L,C and B engines in addition to the N14 and Signature 600.

Now to the next question, how to best select and match a transmission and number of drive wheels to an engine?

I sincerely appreciate the depth of knowledge this forum provides. Thanks.
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Old 03-27-2005, 08:51 PM   #14
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....call 1-800-DIESELS Cummins will tell you everything you need to know about Cummins... B=5.6 liter model is the Dodge unite/// C 8.3 liter is the medium duty and military+RV amd Motorhomes/// M-11 is for small class 6 and 7 and 8's//// N=14 liter and ISX is the 625 hp big dog IIRC....geof kaye
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Old 03-28-2005, 05:17 PM   #15
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Have they shrunk the B-series 6-cyl.? I always thought it was 5.9L, not 5.6L.
Gary
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Old 03-28-2005, 08:44 PM   #16
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....maybe you are right....I'm OLD and forget!.....geof kaye
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Old 06-10-2005, 08:40 PM   #17
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My motorhome a 1994 Monaco Dynasty (34') Was destroyed in a fire. The 8.3L cummins and allison 6 speed world transmission have about 36,000 miles on them. I put a Banks turbocharger on this rig as well. Any thoughts on the best place to sell these? the motor had 300hp and I don't recall the torque rating.

Mordy
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