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Old 09-05-2012, 02:33 PM   #1
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Engine deal breaker??

would you consider either of these deal breaker items?
#1 I like the Cummins and it seems to be favored here in MHs in the years 2006 and up, but would you let a 425 Cat in a 2008 CC Allure sway you to vote no when attracted by floorplan and nice options?

#2 Tiffin Phaeton 2008 tag axle with Cummins, but only 360 hp.....enough hp?


Unusual think (to me) is the rear axle of the CC Allure tag has wheels like front axle, not the usual deep dish as most duallies or matching other rear axle. Sure looks strange cosmetically. Is this not uncommon?
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Old 09-05-2012, 02:51 PM   #2
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If I liked the CC better than the Tiffin, I wouldn't pass because it has a Cat.
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Old 09-05-2012, 02:52 PM   #3
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Floor plan would take vote over what engine is in it.
I use the inside of the coach more then the engine.
My 275 HP has gotten me up any hill I have driven, averaging 10.2 MPG.
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Old 09-05-2012, 03:23 PM   #4
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I've put over 50,000 miles on a Cat engine without the slightest bit of trouble. It would make me more likely to purchase the one with the favored floor plan.
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Old 09-05-2012, 03:57 PM   #5
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First, find out the displacement and torque on the engines, not just the HP.

The 425 Cat is probably a C9 (9.3L) engine. It should be rated at 1200 ft lbs of torque. This is a good engine and is comparable to a Cummins ISL 8.9L.

The Tiffin is probably a Cummins ISC 8.3L engine rated at 360HP, but be careful. Cummins also makes an ISB 5.9L/6.7L (depending on year) 360HP engine. It will be rated around 800 ft lbs and is not enough torque for a 40,000# coach pulling a toad.
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Old 09-05-2012, 04:09 PM   #6
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Thumbs up More TORQUE puts a everlasting smile on your face

I have seen many of the large tag axle coaches with a single wheel on the tag--it is certainly not rare. Most Bus type conversions have this type of a tag axle, check out a "Grayhound coach" and I believe you'll find this the case.
Go with the bigger CAT engine, you'll never regret going with the CAT and the additional TORQUE you'll get compared with the 350hp Cummins will amaze you and you'll thank yourself every time you drive your coach.
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Old 09-05-2012, 04:56 PM   #7
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I have seen many of the large tag axle coaches with a single wheel on the tag--it is certainly not rare. Most Bus type conversions have this type of a tag axle, check out a "Grayhound coach" and I believe you'll find this the case.
Go with the bigger CAT engine, you'll never regret going with the CAT and the additional TORQUE you'll get compared with the 350hp Cummins will amaze you and you'll thank yourself every time you drive your coach.
I am understanding more from your description as single wheel. Any negatives with this setup? I suppose good news is two less tires to buy when that time came. This MH has a really nice floor plan, 425 Cat side rad, 33K miles, Dynomax raised rail chassis, and lots of options but cosmetically looks different than most MHs that I have seen with this tag setup. So this MH would be referred to as a single wheel tag axle, correct? Any other MH manufacture use this set up?

Thanks to all for, as usual, great information.

Bill
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Old 09-05-2012, 05:37 PM   #8
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I believe all MHs have a single wheel tag and duals on the drive axle.

I don't recall ever seeing a dual wheel tag axle.
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Old 09-05-2012, 05:42 PM   #9
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A 425 cat should be a C-12
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Old 09-05-2012, 05:50 PM   #10
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Quote:
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would you consider either of these deal breaker items?
#1 I like the Cummins and it seems to be favored here in MHs in the years 2006 and up, but would you let a 425 Cat in a 2008 CC Allure sway you to vote no when attracted by floorplan and nice options?

#2 Tiffin Phaeton 2008 tag axle with Cummins, but only 360 hp.....enough hp?


Unusual think (to me) is the rear axle of the CC Allure tag has wheels like front axle, not the usual deep dish as most duallies or matching other rear axle. Sure looks strange cosmetically. Is this not uncommon?
Nothing wrong with a Cat Engine. They have been producing fine engines for a long time and back them up. The only thing that would be a deal breaker to me is if the rig had a Rear Radiator. That would make me run like Usain Bolt.
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Old 09-05-2012, 05:51 PM   #11
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Torque rating can also determine engine size.
C-12's start i believe at 1250 torque and 425 hp
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Old 09-05-2012, 05:53 PM   #12
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I agree with Route 66 on the tag axle comment. I haven't made a "career" of studying tag axle motorhomes/buses, however, as I think about it, I think it is the norn rather than an oddity. Sounds to me that the motorhome your looking at is a 'keeper", I see nothing about it that would make me stuff by check book into my back pocket.
We've owned Class A motorhomes since 1993 (3 coaches) and the CC has always been an exceptional coach that's a cut above most in quality woodwork and high end "trappings"!
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Old 09-05-2012, 09:08 PM   #13
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I think I did find a deal breaker on Phaeton, besides the 360 Cummins, appears that is a rear radiator model. Not sure I like the combo.
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Old 09-05-2012, 09:20 PM   #14
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Quote:
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I think I did find a deal breaker on Phaeton, besides the 360 Cummins, appears that is a rear radiator model. Not sure I like the combo.
Just the rear radiator would be a deal breaker. Never had one, never will.
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