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Old 11-06-2014, 12:02 AM   #1
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Considering High Mileage coach

Considering a 2000 Monaco Dynasty (40) with about 160K mi... I know the Cummins will likely be fine for a very long time, but should I be concerned about the Allison trans holding up? (assume a pre-purchase inspection by qualified tech) ...or other drivetrain / suspension issues?

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Old 11-06-2014, 12:07 AM   #2
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Allisons will last as long as the engine in most cases. Maybe have an Allison shop check it over and do a fluid analysis though.

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Old 11-06-2014, 01:47 AM   #3
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Another 40k and it will be run-in. ;-)
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Old 11-06-2014, 06:54 AM   #4
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I wouldn't be too concerned with the mileage...IF..you can get the maint. records. And I wouldn't take anyone's word on it with out proof. I'm not sure which chassis was on a 2000 Dynasty, but if it's a Spartan, check the ball joint boots. Also tire build dates, anything over 5-7yrs. I'd be skeptical of. And maybe I'd get an oil analysis done. Blackstone labs makes it easy and it's only $25.
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Old 11-06-2014, 07:14 AM   #5
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You don't mention which model you're considering but a '00 Dynasty is a great coach! Roadmaster chassis with 8 air bags, unless equipped with a tag axle (10 bag), handles nicely and provides a very comfortable ride. As others have posted, take the time to get both engine and transmission oil analysis reports and do the normal inspections prior to purchase.
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Old 11-06-2014, 07:44 AM   #6
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If the coach has been maintained you shouldn't have a problem.

If maintenance records are available that would give you the confidence you need to proceed. If there are no maintenance records I'd recommend a thorough inspection with fluid analysis on engine, transmission, and even generator.

Inspection should also include all components to make sure they work, confirm that refrigerator has had recall.

Dynasty is a great coach, built like a tank, drives like a Cadillac.
Jim J
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Old 11-06-2014, 12:45 PM   #7
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If the high mileage on this coach is allowing you to buy a couple of years newer model, than you need to do what works for you. For me this, this is a lot of miles on a motor home. I don't side with those who repeat the old saying.....a diesel will go a million miles or even 200K.

Semi's may do this, but they have a lot of things replaced during the million miles, like cab, suspension, brakes etc.

A motor home with 160K will have a lot of paint damage/wear and RV interiors are not necessarily designed for that much use. Even though diesels are designed for high mileage, their suspensions, brakes, alternator, rubber hoses, heater hoses, etc. are not. Motor homes may have a truck engine and trans, but their suspension is NOT as substantial as a semi tractor/trailer.

Again, if it fits your budget and it's what you want, go for it.....but that's a lot of miles.
Don & Mary
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Old 11-07-2014, 02:06 PM   #8
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Originally Posted by pappyrsg View Post
Considering a 2000 Monaco Dynasty (40) with about 160K mi... I know the Cummins will likely be fine for a very long time, but should I be concerned about the Allison trans holding up? (assume a pre-purchase inspection by qualified tech) ...or other drivetrain / suspension issues?

I'd be happy to answer questions about the Allison.

Tom Johnson
Former Allison Transmission Fluids Engineer, "Mr. TranSynd"
President and Founder at JG Lubricant Services, LLC
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