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Old 10-01-2006, 10:01 AM   #15
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<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Yep, I agree. A CAT or Cummins is better than a Detroit. </div></BLOCKQUOTE>
Interesting, Newell has been using Detroit Series "60" engines for quite a while with the Allison 4000 tranny. Recently on their latest model they mated a CAT 625HP engine to the German ZF10- 10 speed automatic tranny. I wouldn't have a problem whatsoever with a Series 60 Detroit. Just an observation from this writer who owns a gas rig.

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Old 10-01-2006, 11:11 AM   #16
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Actually they have offered the German 10 speed for a couple of years now. It is capable of higher torque than the Allison 4000. I know someone that had one and had a failure. It took a long time to get parts to it from germany.

Prevost, who have been using Detriots for years will be going to Volvo diesels in the near future. Of course the fact that they are owned since two Novembers ago by Volvo Truck might be a good reason.
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Old 10-01-2006, 04:37 PM   #17
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My seat of the pants experiance is,

The CAT 330 is quicker off the line than the 300 ISC Cummins. But the Cummins ISC is better at the mid-range and top end than the CAT.

Both are FINE power plants. Would not let that be the "Tie breaker" on which rig I would own.
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Old 10-07-2006, 01:00 PM   #18
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Don, that is due to all the extra torque the Cummins is packing over the Cat.
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Old 10-07-2006, 06:18 PM   #19
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What happened no one likes the new mercedes motors...
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Old 10-08-2006, 10:03 AM   #20
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<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by Jestme13:
Don, that is due to all the extra torque the Cummins is packing over the Cat. </div></BLOCKQUOTE>
Indeed. That's what the extra 1.1L of displacement the ISC has over the C7 Cat gets for you.
The same comparison would be the extra torque the C7 Cat is packing over the 5.9L Cummins...
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Old 10-08-2006, 09:33 PM   #21
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Cat or Cummins...

...both are great engines!
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Old 10-24-2006, 03:11 AM   #22
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Ford or Chevy...
vanilla or chocolate...
blondes or brunettes...

... oops, wife just got home. Brunettes! Definitely brunettes!
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Old 11-09-2006, 10:12 AM   #23
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<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by JOHNSON:
On a diesel pusher-Whats better a 300hp Cat or Cummins?? And why?? </div></BLOCKQUOTE>

There's a lot more to this than the HP rating. IMO, torque is more important than HP in a diesel engine. I'd much rather have a 300hp Cunmins ISC than an ISB, for instance. The ISC has 950 lb-ft of torque and the ISB has about 650. That's a huge difference when towing and climbing hills. I don't think there's a lot to worry about between a CAT and a Cummins. You might want to check service intervals on each one, the cost of service items like filters, the availablility of service in your area and go on factors like that all else being equal.
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Old 10-23-2007, 07:06 PM   #24
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I take offense at your definition of the Cat being "DOZER" only..Did you know that Cat is the industry leader in both over the road big rigs and motorhomes?...Didn't think so...
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Old 10-24-2007, 05:03 PM   #25
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Heres a little fuel, where I come from we always said " If it ain't a CAT, It's gotta be a DOG" YO
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Old 10-24-2007, 06:29 PM   #26
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<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Did you know that Cat is the industry leader in both over the road big rigs and motorhomes?...Didn't think so... </div></BLOCKQUOTE>
But Cummins advertises there are more diesel motorhomes with Cummins engines than all other diesels engines combined.
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Old 10-24-2007, 07:32 PM   #27
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<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">.Did you know that Cat is the industry leader in both over the road big rigs and motorhomes?...Didn't think so... </div></BLOCKQUOTE>

I can't speak for over the road truck engines but MHs on the road have significantly more Cummins engines than Cat. Cat recently started pushing to get more of their engines in MHs. They were successful with Freightliner and if Monoco has done likewise then they may be putting more engines in current models than Cummins.
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Old 10-25-2007, 02:08 AM   #28
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On my fifth coach and have had both Cat & cummins, more interested on inside & Ride than on engine, have had good and bad with both engines, thing that both are great engines for motorhomes.
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