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08-12-2015, 12:55 PM
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#1
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Senior Member
Join Date: Feb 2014
Posts: 116
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Considering a Coach with a C-9
Wondering what you C-9 guys think of your engines, considering a Country Coach Allure powered by a C-9 with 21000 miles on it.. How is the engine for power and reliability?
__________________
2007 Travel Supreme Select Limited 45' 45DL24
600 HP
2016 Ford Taurus - Toad
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08-12-2015, 03:25 PM
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#2
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Senior Member
Join Date: Nov 2009
Location: Warren, Oregon
Posts: 2,559
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Quote:
Originally Posted by Steve n Jan
Wondering what you C-9 guys think of your engines, considering a Country Coach Allure powered by a C-9 with 21000 miles on it.. How is the engine for power and reliability?
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We have a C-9 and it runs great with plenty of power. I change the oil at 5k or sooner and send in my oil samples to Peterson Cat. In 4k I have used around a qt of oil, Mobil 15w40. Mine has 22,000mi on it.
MPG run 6.7 going over the coast range as high as 8.3 on I-5 and I-84.
My coach wt is 33,620lbs from a 4 corner wt. with a 3200lb toad.
2 stroker
__________________
2006 Country Coach Inspire 360 40ft Genoa Designer Series, Samsung 197 RR
Cat C9--STEEL & COPPER Bolt Together Radiator w/ updated rubber mounting
SilverLeaf 330 Magnum 2812 PSW 2011 Ford Edge Sport-Air Force One
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08-12-2015, 04:42 PM
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#3
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Junior Member
Join Date: Jul 2015
Posts: 17
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We have a 42ft Beaver Contessa 07 with 120k miles and C-9 400 hp. Runs great but oil changes need to be done at least by 10k. Power is good and milage is consistently at 7mpg. The coach weighs 40k and we tow a 4600lb truck. Good luck
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08-12-2015, 05:38 PM
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#4
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Senior Member
Texas Boomers Club Fleetwood Owners Club Freightliner Owners Club
Join Date: Jul 2001
Location: Big Spring, Texas
Posts: 776
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With only 21000 miles on it, that engine isn't even broke in yet. Like previously stated change the oil on a regular basis and you will get many miles out of it.
Jerry
__________________
Jerry and Janell
Navy by record, Marine by choice. 2020 Thor Chateau 31 W towing a 2019 Jeep Grand Cherokee Limited
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09-08-2015, 06:36 PM
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#5
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Senior Member
Tiffin Owners Club
Join Date: Mar 2012
Location: Portland, Oregon
Posts: 634
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Can power be turned up by CAT to 425?
Sent from my iPhone using iRV2 - RV Forum
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Jeff & Gail
2019 Allegro Bus 40AP
2018 GMC Canyon Denali
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09-08-2015, 07:13 PM
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#6
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Senior Member
Fleetwood Owners Club American Coach Owners Club Spartan Chassis
Join Date: Oct 2009
Location: Fort Pierce, FL
Posts: 1,022
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Our c9 has been very good for us. 62000... 2005
__________________
 Revolution LE 38X C9 Cat
2020 Jeep Gladiator Toad
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09-09-2015, 06:37 AM
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#7
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Senior Member
Join Date: Apr 2011
Location: South Chesterfield, Virginia
Posts: 363
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Quote:
Originally Posted by Steve n Jan
Wondering what you C-9 guys think of your engines, considering a Country Coach Allure powered by a C-9 with 21000 miles on it.. How is the engine for power and reliability?
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No problems so far with ours as far as reliability and performance. A little inconvient
getting service in my area because most Cat shops are big truck service centers. What chassis do you have? That may make a difference in whether you can get both serviced at the same place.
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09-09-2015, 07:16 AM
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#8
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Senior Member
Join Date: Nov 2008
Location: Cosby, Tn
Posts: 6,587
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Quote:
Originally Posted by Steve n Jan
Wondering what you C-9 guys think of your engines, considering a Country Coach Allure powered by a C-9 with 21000 miles on it.. How is the engine for power and reliability?
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The most significant downside to the C9 is that it's not equipped with a engine compression brake. As the coach weight goes up the performance differential between an engine brake and an exhaust brake becomes more apparent.
Steve Ownby
Full time since '07
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Steve Ownby
Full time since 2007
2003 Monaco Signature
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09-09-2015, 10:03 AM
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#9
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Senior Member
Newmar Owners Club Spartan Chassis
Join Date: Oct 2010
Location: Lake Havasu City, AZ
Posts: 1,715
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Quote:
Originally Posted by rvsurfer
We have a 42ft Beaver Contessa 07 with 120k miles and C-9 400 hp. Runs great but oil changes need to be done at least by 10k. Power is good and milage is consistently at 7mpg. The coach weighs 40k and we tow a 4600lb truck. Good luck
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Quote:
Originally Posted by krivanj
Our c9 has been very good for us. 62000... 2005
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You guys with the higher than average miles are my role models!....I love to see RVs that are being used. Someday, I hope to be in that club! 
To OP...so far I have no complaints with the C9. MPG is what I would expect and power is sufficient with around 40k GCW.
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2019 Newmar Dutch Star 4328 K2
2017 Grand Cherokee Summit 5.7
2008 Beaver Contessa 40' Pacifica 425 Cat
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09-14-2015, 01:54 PM
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#10
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Senior Member
Monaco Owners Club
Join Date: Oct 2009
Location: Tucson, AZ
Posts: 6,572
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The Cat C9 is a great engine, but if you find the same coach with a Cummins 8.9L ISL it probably will get better fuel mileage.
Cat builds great engines, but their primary market is heavy equipment.
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09-16-2015, 10:24 AM
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#11
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Senior Member
Join Date: May 2013
Posts: 962
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My C9 will need a new pump and injectors when I have time money. Hasn't stranded me, and tech says it likely wont, but I have a $6K bill awaiting me. I am not alone. Not to say the pump failures are "common", but they certainly don't appear to be "uncommon". ;-)
-Chris
__________________
------------------------------------
American Revolution 40L CAT C9
Samsung 197, TireMinder, Ready Brute Elite with Wrangler
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03-08-2016, 11:32 AM
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#12
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Junior Member
Join Date: Jul 2012
Posts: 1
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C9 CAT
I just bought a 06 beaver Monterey 40ft with 12.000 miles on it is the ferst thing I did was change the oil I have never owned one before I had a 99 southwind it was great but I wanted a big boy coach Now should I change the air and fuel filters also and start from scratch or will it be ok for a while  Iam not sure 
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03-08-2016, 12:29 PM
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#13
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Senior Member
Newmar Owners Club Spartan Chassis
Join Date: Oct 2010
Location: Lake Havasu City, AZ
Posts: 1,715
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Quote:
Originally Posted by southwindtra
I just bought a 06 beaver Monterey 40ft with 12.000 miles on it is the ferst thing I did was change the oil I have never owned one before I had a 99 southwind it was great but I wanted a big boy coach Now should I change the air and fuel filters also and start from scratch or will it be ok for a while Iam not sure |
I would so that you have a baseline and know for sure what has been done.
__________________
2019 Newmar Dutch Star 4328 K2
2017 Grand Cherokee Summit 5.7
2008 Beaver Contessa 40' Pacifica 425 Cat
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03-08-2016, 12:53 PM
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#14
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Senior Member
Country Coach Owners Club Solo Rvers Club iRV2 No Limits Club
Join Date: May 2011
Location: Vancouver, WA
Posts: 37,725
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Quote:
Originally Posted by Steve n Jan
Wondering what you C-9 guys think of your engines, considering a Country Coach Allure powered by a C-9 with 21000 miles on it.. How is the engine for power and reliability?
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Must be some reason for changing from you Magna you already have? Better interior layout or what?
__________________
2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft, HWH Active Air
Charter Good Sam Lifetime Member, FMCA,
RV'ing since 1957, NRA Benefactor Life, towing '21 Jeep JLU Rubicon Ecodiesel
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