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Old 08-04-2010, 08:21 AM   #1
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Location: Auburn, CA, Havasu, AZ & Mulege, BCS
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08-09 Alpines & Cummins DPF Serial#

Apparently in the WRV crash, 22 2008 & 09 coaches went out the door w/out recording the serial numbers of the Diesel Particulate Filter (DPF) and the engine serial number as a pair. This is an EPA requirement. Mike Young, of Cummins Northwest contacted me yesterday about this issue.

It is not a performance issue for owners. It is however, a documentation issue that involves warranty service should that arise w/the DPF. Mike has a list of all the engine serial numbers that were not reported as to VIN and matching DPF (the engine/DPF pair need to be in Cummins records as a pairing, the VIN is handy as an additional reference). He has also verified that all 22 of the coaches have outstanding engine campaigns that need to be done, and will be done under the Cummins warranty policy at no charge. So far he has identified 2 of the 22, so 19 are outstanding.

If you have an 08 or 09 Alpine, you can contact Mike Young at Cummins Northwest, at 509-248-9033, and Mike can describe how to read your engine serial# if you don't know it, and check his list to see if you need the DPF# recorded; he will also let you know about outstanding campaigns on your engine. Cummins, wherever you take the rig for your engine campaign, will read & record the DPF# at no charge to you at the same time as doing the campaign work.

For those attending the Salem Pre-Rally, Mike will be there this weekend for the Gearhead Session, and he can check you coach personally.

Note that there are some 08 coaches that do not have the DPF, i.e. they were not ULSD-only engines. If you are not sure, you can tell easily if yours is a DPF engine by looking at the exhaust pipe- if you stand on the driver's side to look at the exhaust, you do not have a DPF, all DPF engines have exhaust exiting on the passenger (curb) side.

Baja-tested '08 2-slide 36'
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Old 08-04-2010, 10:52 PM   #2
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Alpine Owners Club
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Location: Vancouver, WA
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Yes!!!!! not me for once. DPF, must be part of the new regulations for smog? That said, do those engines need the urea stuff or is their another way for them to meet the requirement.

The dodge pickup does not use the urea stuff, at least for the 2010 and on models, Ford and I also Believe Chevy do.

Monty & Janet - 2007 Alpine APEX 40 MDTS
S/N - 75715 - Retired - Master Certified RV Tech
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Old 08-09-2010, 10:26 PM   #3
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Yes, the DPF is part of the smog package for the engines manufactured in 2007 and later. No, there are no Alpines that require the "exhaust fluid" or urea tank; that came into play w/engines mfgr'd in 2010 if the engine could not otherwise meet EPA specs.
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