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Old 12-06-2012, 11:57 PM   #15
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Originally Posted by Benellie View Post
How does the K3 stack up against the Roadmaster and the Duramax chassis? Had a K2 under a Zephyr and didn't like it.
None of the coaches you reference have a Duramax chassis. I assume you are talking about the Country Coach DynoMax chassis which is the best of the bunch
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Old 12-07-2012, 02:58 AM   #16
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There are definitely some great deals out there on 2000-2002 Prevost based rigs; I just wish they had been in my budget (which was a bit more modest).

Steve
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Old 12-07-2012, 03:41 AM   #17
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Originally Posted by Benellie View Post

Is this true even if the engine does not have DEF?
We have EGR and SCR trucks in our fleet. As the emission controls tighten all heavy vehicles will be SCR (def)
They can't make exhaust gas recirculating engines meet the next set of standards.
Some of the higher powered EGR vehicles certainly struggled with the extra heat involved but I can't see any motorhome owner ever having a problem with either system.
Although EGR engines have added fancy filters and exhaust systems the Def. engines just add more Def.
It is my experience that the cost of operating later model engines has not increased. ( I have a Detroit series 60 which is an EGR engine)
If its Cummins Detroit or soon a Paccar engine I'd be happy either way.
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Old 12-07-2012, 08:34 AM   #18
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Is this true even if the engine does not have DEF?
There have been three major levels of EPA compliance for Diesel engines.
1. 2004; enhanced electronic controls & many engines added EGR systems.
2. 2007; Particulate systems added; slobber tube eliminated, and ULSD mandated.
3. Second level of NOX control kicks in which is met primarily by the DEF systems. Navistar medium duty engines use enhanced EGR.

These dates are when the engine was build. Coach builders stock piled engines ahead of the dates and built coaches for a considerable period with engines built before the latest level. Most '07 coaches was built with no particulate filters and most '10 coaches with no DEF.
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Old 12-07-2012, 08:45 AM   #19
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None of the coaches you reference have a Duramax chassis. I assume you are talking about the Country Coach DynoMax chassis which is the best of the bunch
The OP listed a CC coach which was built on the DuraMax chassis. The Duramax which CC built in house and the Roadmaster S Series are similar in design. Both are Semi Monocoque chassis with a bridge structure below welded and braced to the steel framed house structure and roof framing. This results in a very rigid structure which has very little flex. This results in great road manners.
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Old 12-07-2012, 08:58 AM   #20
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Originally Posted by Steve Ownby View Post

The OP listed a CC coach which was built on the DuraMax chassis. The Duramax which CC built in house and the Roadmaster S Series are similar in design. Both are Semi Monocoque chassis with a bridge structure below welded and braced to the steel framed house structure and roof framing. This results in a very rigid structure which has very little flex. This results in great road manners.
This information about the brand of chassis is quite incorrect. Dons is correct and accurate. CC made and uses a dynomax chassis designed and built in house. Dura max is gm's diesel engine
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Old 12-07-2012, 10:06 AM   #21
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This information about the brand of chassis is quite incorrect. Dons is correct and accurate. CC made and uses a dynomax chassis designed and built in house. Dura max is gm's diesel engine
Sorry about that guys. My feeble brain read Dynomax. The Only thing worse than getting old is not getting old. I blame it on birthday poisoning.
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Old 12-07-2012, 10:16 AM   #22
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Couldn't agree more with you. When you solve this issue please let me know as i would like to be your first and most valued customer. Had this problem for yrs.
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Old 12-07-2012, 10:42 AM   #23
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There are definitely some great deals out there on 2000-2002 Prevost based rigs; I just wish they had been in my budget (which was a bit more modest).

Steve
BUT Not even close to what the OP is asking about?

Quote:
We're in the market for either a Beaver Marquis, Monaco Sig, CC Magna or a Newmar King Aire. All in the 2007-2009 range. Which coach wins fi all things are equal in price and condition?

obviously he wants a 4 slide newer unit.
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Old 12-07-2012, 11:13 AM   #24
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BUT Not even close to what the OP is asking about?

Quote:
We're in the market for either a Beaver Marquis, Monaco Sig, CC Magna or a Newmar King Aire. All in the 2007-2009 range. Which coach wins fi all things are equal in price and condition?

obviously he wants a 4 slide newer unit.
Or did the OP just want a high-quality coach and perhaps might be okay with a 2-3 slide Prevost?

I was pointing out that if quality and craftsmanship was the aim, then there are other alternatives. Not everyone's hung up and having 4 slides.

Steve
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Old 12-07-2012, 02:43 PM   #25
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Or did the OP just want a high-quality coach and perhaps might be okay with a 2-3 slide Prevost?

I was pointing out that if quality and craftsmanship was the aim, then there are other alternatives. Not everyone's hung up and having 4 slides.

Steve
let me tell you that a A 2009 Beaver Pat Thunder 43 4 slide 650HP unit isas good as or better than any prevost and at 300K cheaper
i have a friend whom has the beaver and another with the prevost.The problem with the prevost is its badley under powered for the weight at 500HP
Like my prevost buddy says/"I dont win any races"
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Old 12-07-2012, 07:36 PM   #26
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Is this true even if the engine does not have DEF?
In recent years there has been 2 upgrades to diesel engines based on new EPA standards.

1) Engines built after 1-1-2007 require post treatment of the exhaust in the form of a Diesel Particulate Filter (DPF). These filters do require cleaning, generally at higher mileage intervals (100K or so). Some have regeneration cycles which injects diesel fuel into the DPF to burn off.

2) Engines built after 1-1-2010 have lower NoX emisssion requirements. Most have adopted the use of injecting Diesel Exhaust Fluid (DEF) into the after exhaust treatment to meet these standards.

In both cases, the cost of these after treatment systems added significant cost to the coach when new.
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Old 12-09-2012, 06:05 PM   #27
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king aire or magna blow off the other two
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Old 12-09-2012, 08:33 PM   #28
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None of the coaches you reference have a Duramax chassis. I assume you are talking about the Country Coach DynoMax chassis which is the best of the bunch
Yes I meant Dynomax. What makes it the best?
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