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05-24-2016, 08:20 AM
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#1
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Senior Member
Join Date: May 2014
Posts: 196
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Oil change intervals
How much time/miles are you putting on your Cummins ISC 400 between oil and filter changes ?
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05-24-2016, 08:26 AM
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#2
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Senior Member/RVM #90
Monaco Owners Club
Join Date: Nov 2002
Location: Columbus, MS
Posts: 54,622
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One year or 15K miles, whichever comes first!
Ours is an ISC-350
__________________
Joe & Annette
Sometimes I sits and thinks, sometimes I just sits.....
2002 Monaco Windsor 40PBT, 2013 Honda CRV AWD
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05-24-2016, 08:46 AM
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#3
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Senior Member
Fleetwood Owners Club American Coach Owners Club
Join Date: Mar 2011
Posts: 6,759
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Quote:
Originally Posted by RT 41
How much time/miles are you putting on your Cummins ISC 400 between oil and filter changes ?
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The Cummins web site does not show an ISC 400...but an ISL 400. My previous coach was an ISL and listed change intervals as 20k or a year, which ever came first.
__________________
2014 American Eagle 45T
DD 13, 500 HP
Pulling a Honda CRV
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05-24-2016, 08:53 AM
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#4
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Senior Member
Join Date: Aug 2011
Location: Athens, GA
Posts: 172
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I am doing my cummins about every 10k miles. If I go longer than that then I risk issues with fuel filters. I change all my filters at the same time with the exception of my air filter.
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Steven & Jen USCG EMC Retired
Lilli Pi(the crazy cat)
1998 Country Coach Intrigue 2000 Jeep Sahara
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05-24-2016, 10:13 AM
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#5
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Senior Member
Join Date: Jan 2012
Location: NE Oklahoma
Posts: 569
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I change the oil and filters on my ISL every year. Never come close to the 18K mile requirement as we are 3K to 5K mile per year users.
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Rick and Lynda Smith
2020 JAYCO Eagle 30.5CKTS
2018 RAM 2500 4x4 Crew, 6.7L Cummins Turbo Diesel
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05-24-2016, 11:06 AM
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#6
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Senior Member
Tiffin Owners Club
Join Date: Oct 2011
Location: The Ozarks
Posts: 1,566
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Change all engine fluid filters annually. Do lab analysis on synthetic engine oil to determine condition for change. Annual mileage between 5-7k. Do same for aircraft, boat and coach. Which is same as airline practice.
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Ret. Military/Corporate Pilot
Summers in the Ozarks-Winters in the Keys
Allegro Bus 36QSP
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05-24-2016, 11:38 AM
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#7
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Senior Member
Fleetwood Owners Club
Join Date: Jan 2010
Posts: 1,391
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I would never go over 10000 miles or one year.
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05-24-2016, 11:51 AM
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#8
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Senior Member
Join Date: Dec 2004
Location: Jacksonville, Fl
Posts: 245
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Once a year. Never any longer than that.
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Jim and Shirley McGehee
2004 Beaver Monterey Laguna
2013 Honda Fit Toad, 2003 Jeep Liberty Toad
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05-24-2016, 11:56 AM
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#9
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Senior Member
Newmar Owners Club Freightliner Owners Club Spartan Chassis
Join Date: Apr 2012
Location: ON THE ROAD...SOMEWHERE
Posts: 6,973
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Here is one source for Cummins scheduled service.
While at it... here is a source for Allison Transmission service.
Fluid analysis has been proven to be a valid substitute for some fluid and filter changes.
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Don, Sandee & GSD Zeus. Guardian GSDs Gunny (7/11/15) & Thor (5/5/15)
2006 2015 DSDP 4320 4369, FL Chassis, 2013 CR-V 2020 Jeep Overland, Blue Ox Avail, SMI AF1.
[SIGPIC][/SIGPIC]
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05-24-2016, 08:17 PM
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#10
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Senior Member
Join Date: Jan 2011
Posts: 522
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Just changed mine. Had it in the engine for 2 sears and 10k miles. Did have JG labs do a analisys and they said to run it for another 5k then check again. I changed it anyways.
Our local Freightliner service manager said the are running up to 50k in the trucks they service and have lease agreements on!
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2006 Mountain Aire, Jeep LJ, 900 watts of solar, boondocking life away! Volunteer Fire Fighter!
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05-24-2016, 08:42 PM
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#11
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Registered User
Join Date: Feb 2008
Posts: 3,607
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Quote:
Originally Posted by Cat320
The Cummins web site does not show an ISC 400...but an ISL 400. My previous coach was an ISL and listed change intervals as 20k or a year, which ever came first.
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Yep, that's it! It's in the engine book.
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