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Old 12-27-2008, 12:23 AM   #1
sdhDIESEL
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Cummins ISX vs CAT C-15

seeing what you guys think?, since Cats getting out of the truck Market, And the introduction of Selective Catalyst Restriction (SCR) and Urea Injection, Diesel Exhaust Fluid (DEF),
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Old 12-27-2008, 01:25 AM   #2
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I have an 06 Cat C-15 Acert 550 and its been very reliable for me so far. with that said you couldn't GIVE me a 2008+ cat. no way no how.

Cummins has just been road proven a more reliable answer to the new emissions regs.
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Old 12-27-2008, 02:28 AM   #3
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and in 2010 they are totally changing there engines once again, its ganna be tough to keep up, with the 2007 engine only ganna be made a few years, from what i have heard 2010 emission is going to be the last step.
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Old 12-27-2008, 02:37 AM   #4
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Quote:
Originally Posted by sdhDIESEL View Post
and in 2010 they are totally changing there engines once again, its ganna be tough to keep up, with the 2007 engine only ganna be made a few years, from what i have heard 2010 emission is going to be the last step.
What have you hear? glenn
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Old 12-27-2008, 03:45 AM   #5
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Quote:
Originally Posted by sdhDIESEL View Post
and in 2010 they are totally changing there engines once again, its ganna be tough to keep up, with the 2007 engine only ganna be made a few years, from what i have heard 2010 emission is going to be the last step.
You mean the last step before what? No more engines??? End of the world? I'm sure there's a lot more to come. I say CAT, Cummins Detroit Etc should shove it up the EPA's @$$es and tell them to instantly design a reliable power plant and produce it, put their name a warranty behind it, andmake it affordable and efficient.. Betcha the rules would change real quick.

Fact of life is that diesels put out almost no greenhouse gases, and PM settles out of the air rather quickly, and it's hard to push global warming when the planet is cooling down. AND, a volcano puts orders of magnitude more pollutants in the air than human activities do, and they are responsible for most of the acid rain.
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Old 12-27-2008, 06:03 AM   #6
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I think he means its the last planned emissions tier in the EPA's master plan to drive prices for new trucks up 20 grand, reduce engine life by 25%, kill 2 mpg's, and drive maintenance costs up.

2010 will bring SCA with the Tier 4 standards
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Old 12-27-2008, 12:05 PM   #7
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If you could buy now, I would go with the ISX (especially the ISX without SCR and DEF). The ISX has the best fuel mileage and you at least know that Cummins is gonna be in the truck engine market longer than CAT. The C-15 is a decent motor but the power isn't there like the other CAT motors. My C-15 has been a pain in the ###. I think I have finally got the problems worked out, even though the mpg still isn't increasing much.
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Old 12-27-2008, 04:23 PM   #8
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yes, 2010 is the last step, well that Cummins has told us, ISX in 2010 is going ot be a single overhead cam, with High Pressure Common Rail, EGR Valve will be back on the passenger side, there a pain in the ***** to change on the driver side, and from what we have been told performace will go up with the HPCR set up.
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Old 12-27-2008, 04:37 PM   #9
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I have done extensive research on the emissions regs and from what I can tell, aside from the HDOBD requirements for 2010/2012 emissions regs won't change much after 2010.

They will be expanded to ALL engines, gas, diesel, off road, marine etc., but that's a 2020 goal I think.
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Old 12-28-2008, 01:28 PM   #10
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so how smart is this..
just a scenario,
say a farmer buys a new truck with the DPF, goes in a corn field to fill, like farmers do, during harvest, it starts to regen in the field, anyone thought of this, its ganna be worse if the try pushing the DPF's on Ag equipment there in worse enviroments.
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