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Old 09-21-2022, 08:10 AM   #1
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Support/Serivce for CAT Motorhome Engines


FIrst off I wanted to thank everyone for this forum as it is a great source of information for the RV community.

I am currently shopping for a used diesel pusher in the pre DEF era for multiple reasons. Some of the coaches that are on my short list have C9 or C7 engines and I am wondering if finding support and service is a concern with any of the experienced owners on this forum? I am mechanically inclined and have experience with diesels so I could do some maintenance and troubleshooting if required. I just dont want to be stuck if I have a serious issue.

Is it harder to find service centers for CAT than Cummins? I have read that Cummins has more centers total but I imagine some are in the same geographical area and are redundant to some degree.
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Old 09-21-2022, 08:21 AM   #2
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Originally Posted by JSIM21 View Post

Is it harder to find service centers for CAT than Cummins? I have read that Cummins has more centers total but I imagine some are in the same geographical area and are redundant to some degree.

Harder, yes.

Really difficult-- no. There are tens if not hundreds of thousands of Caterpillar 3126/C7's on the road. C9's, not so much.

And Caterpillar Corp still makes parts for their engines, even for those that are 50+ years old.

So, I would not let the engine be a major decision maker. Certainly less important than floor plan, condition, etc.
Brett Wolfe
Ex: 2003 Alpine 38FDDS. Ex: 1997 Safari Sahara. Ex: 1993 Foretravel U240
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Old 10-25-2022, 01:45 PM   #3
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I have a 2005 Fleetwood Revolution with a C9 on a Spartan Chassis - I have found that around me and during my travels around the midwest and Utah/Texas/TN/Florida and all points in between, there are very few people who will/want to service an RV with a C9 on a Spartan Chassis. I have found getting past the RV part is the largest hurdle, and the Spartan Chassis, the next hurdle to people saying yes they can work on it.
Having said that, I have always been able to find someone after a few calls.
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Old 10-25-2022, 06:37 PM   #4
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There are a lot of Freightliner dealer who will also work on a Cat engine.
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Old 10-27-2022, 08:55 AM   #5
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CAT motors are still purring (Pun intended) and moving trucks down the road. Heck you can buy crate engines for a Pre DEF chassis.

Any large truck or equipment shop will be able to work on the engine. Some will grumble about the RV taking a lot of space or being more difficult to work on but that will be the case with a CAT or Cummins.
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