Free 7 Day Trial RV GPS App RV Trip Planner Campground Reviews RV Maintenance Free 7 Day Trial ×
RV Trip Planning Discussions

Go Back   iRV2 Forums > MOTORHOME FORUMS > Class A Motorhome Discussions
Click Here to Login
Join iRV2 Today

Mission Statement: Supporting thoughtful exchange of knowledge, values and experience among RV enthusiasts.
Reply
  This discussion is proudly sponsored by:
Please support our sponsors and let them know you heard about their products on iRV2
 
Thread Tools Search this Thread Display Modes
 
Old 01-06-2017, 10:07 AM   #15
Junior Member
 
Join Date: Oct 2014
Posts: 13
I have a 340 HP Cummins Diesel. Due to family problems, I have had the oil in the crankcase for about 14 months but only put 600 miles on it before storing. Should I still spend the $500 to change the oil or wait until I am able to log more miles on it?

That is for a full chassis lube, oil filters and generator.
bobcratchett is offline   Reply With Quote
Join the #1 RV Forum Today - It's Totally Free!

iRV2.com RV Community - Are you about to start a new improvement on your RV or need some help with some maintenance? Do you need advice on what products to buy? Or maybe you can give others some advice? No matter where you fit in you'll find that iRV2 is a great community to join. Best of all it's totally FREE!

You are currently viewing our boards as a guest so you have limited access to our community. Please take the time to register and you will gain a lot of great new features including; the ability to participate in discussions, network with other RV owners, see fewer ads, upload photographs, create an RV blog, send private messages and so much, much more!

Old 01-07-2017, 07:42 AM   #16
Senior Member
 
Craigls2's Avatar
 
Fleetwood Owners Club
Freightliner Owners Club
Join Date: Sep 2012
Location: WI
Posts: 279
If you are paying $500 for an oil change you need to shop around. I wouldn't worry about it sitting myself but it wouldn't hurt to take it for a drive if that's an option right now. It's cold and the roads are full of salt here so mine is put away till April. :(
__________________
2013 Fleetwood Discovery 40G / 2012 GMC Acadia
Craigls2 is offline   Reply With Quote
Old 01-07-2017, 10:11 AM   #17
Senior Member
 
Steve Ownby's Avatar
 
Join Date: Nov 2008
Location: Cosby, Tn
Posts: 6,587
Oil change intervals for large diesel engines

Quote:
Originally Posted by tabo35 View Post
Looking for thoughts on the oil change intervals for large diesel engines. I have a 525 Cummins ISM engine, the manufactures recomendation is 18000 miles or one year. The sump on this engine is just under 50 us quarts. The milege driven is about 8000 miles per year. Any input would be great.

Ron

Based on your description, I believe you have an ISX instead of an ISM. The ISM sump is approx 40 qts and the ISM was never rated by Cummins at over 500 hp.

Here is your brochure:

http://www.holidayrambler.com/resour...00_brc_pdf.pdf

The ISX option is listed at 525 hp.
__________________
Steve Ownby
Full time since 2007
2003 Monaco Signature
Steve Ownby is offline   Reply With Quote
Old 01-07-2017, 10:40 AM   #18
Senior Member
 
Fleetwood Owners Club
Freightliner Owners Club
Join Date: Nov 2009
Location: FORT WORTH, TEXAS
Posts: 2,087
Quote:
Originally Posted by Steve Ownby View Post
Based on your description, I believe you have an ISX instead of an ISM. The ISM sump is approx 40 qts and the ISM was never rated by Cummins at over 500 hp.

Here is your brochure:

http://www.holidayrambler.com/resour...00_brc_pdf.pdf

The ISX option is listed at 525 hp.
Steve, you do realise that is almost a 9 year old post?

bobcratchett, Big question is it still in warranty? If you are out of warranty I would pull a oil sample and see how the oil looks. I don't normally recommend going beyond the yearly recommendations set by the manufacturer, but as you have so few miles and if the oil test good I don't see a problem. You can go hear and order everything you need to pull your sample.
Blackstone Labs
When you pull the sample do not let the end of the tube hit the bottom of the pan. This will give you a false/bad sample. Use your dipstick to measure how long the tube needs to be. I put a piece of tape on the tube as a marker.
Here is another tip. In the future always pull the oil sample so you can have the results back before you change the oil. The reason is if you have a report come back with something out of the expected range you can double check with a second sample to see if it was correct or just a bad sample.

Bill
__________________
2008 Newmar Mountain Aire
450 HP Cummins ISM 4000MH Allison Trans.
Towing a 2014 Honda CRV with a Blue Ox tow bar.
WILDEBILL308 is online now   Reply With Quote
Old 01-07-2017, 10:48 AM   #19
Moderator Emeritus
 
Gary RVRoamer's Avatar


 
Join Date: Jan 2000
Location: Silver Springs, FL. USA
Posts: 23,975
Our travel mileage is similar to or a bit less than yours and I've always followed the once/year change interval. My engine takes 24 qts, and since I would change the filter regardless, I always felt that a $25 oil analysis was not an effective tradeoff against the possibility of delaying a 24 qt change. At near-50 qts, I might reconsider that.

I made the opposite decision for the synthetic tranny fluid, which is fairly expensive to change out. I cheerfully spend $30/year to get the tranny fluid analyzed and the 12 year old fluid is still good. Filters are changed per Allison specs, though. Tranny fluid doesn't contaminate as quickly as diesel crankcase oil, though.

It also makes a difference in cost/benefit tradeoff if you DIY vs shop service. I'm a DIY guy.
__________________
Gary Brinck
Former owner of 2004 American Tradition and several other RVs
Home is in the Ocala Nat'l Forest near Ocala, FL
Summers in Black Mountain, NC
Gary RVRoamer is offline   Reply With Quote
Old 01-07-2017, 10:50 AM   #20
Senior Member
 
Steve Ownby's Avatar
 
Join Date: Nov 2008
Location: Cosby, Tn
Posts: 6,587
Oil change intervals for large diesel engines

Quote:
Originally Posted by WILDEBILL308 View Post
Steve, you do realise that is almost a 9 year old post?



bobcratchett, Big question is it still in warranty? If you are out of warranty I would pull a oil sample and see how the oil looks. I don't normally recommend going beyond the yearly recommendations set by the manufacturer, but as you have so few miles and if the oil test good I don't see a problem.

Bill

Oops! Saw the current post & scrolled up to the OP. Never looked at the date.

I'm guessing that the OP has sorted out what engine he has by now.
__________________
Steve Ownby
Full time since 2007
2003 Monaco Signature
Steve Ownby is offline   Reply With Quote
Old 01-07-2017, 10:54 AM   #21
Senior Member
 
Fleetwood Owners Club
Freightliner Owners Club
Join Date: Nov 2009
Location: FORT WORTH, TEXAS
Posts: 2,087
Quote:
Originally Posted by Steve Ownby View Post
Oops! Saw the current post & scrolled up to the OP. Never looked at the date.

I'm guessing that the OP has sorted out what engine he has by now.
Not a big deal I have done it before two. He may not even have that coach now.

Bill
__________________
2008 Newmar Mountain Aire
450 HP Cummins ISM 4000MH Allison Trans.
Towing a 2014 Honda CRV with a Blue Ox tow bar.
WILDEBILL308 is online now   Reply With Quote
Old 01-11-2017, 06:45 AM   #22
Senior Member
 
National RV Owners Club
Join Date: Sep 2016
Location: Vincennes, IN
Posts: 176
I have a cat c7 I don't remember the oil capacity but to change it it drains 21 quarts
I purchased 52 quart oil drain pan from Amazon, I buy two 2.5 gal containers of Shell Rotella Hd 15-40 from Rural King for usually around $29 each and a quart of Lucus HD oil stabilize $8 and filter from Cat for $14 so one a year I spend $80 and change my own oil.
jaywolf is offline   Reply With Quote
Old 01-11-2017, 07:25 AM   #23
Registered User
 
Join Date: Oct 2010
Posts: 2,295
340 cummins isb here...... manufacturer recommends 15000 miles or annual. I drive aprox half or less then half the miles and change oil and all the filters every two years.
Monacoach is offline   Reply With Quote
Old 01-11-2017, 08:15 AM   #24
Senior Member
 
Fleetwood Owners Club
Freightliner Owners Club
Join Date: Nov 2009
Location: FORT WORTH, TEXAS
Posts: 2,087
Quote:
Originally Posted by Monacoach View Post
340 cummins isb here...... manufacturer recommends 15000 miles or annual. I drive aprox half or less then half the miles and change oil and all the filters every two years.
I would be sampling my oil at least annually to check for problems or contamination.
Bill
__________________
2008 Newmar Mountain Aire
450 HP Cummins ISM 4000MH Allison Trans.
Towing a 2014 Honda CRV with a Blue Ox tow bar.
WILDEBILL308 is online now   Reply With Quote
Old 01-11-2017, 08:38 AM   #25
Senior Member
 
Steve Ownby's Avatar
 
Join Date: Nov 2008
Location: Cosby, Tn
Posts: 6,587
Quote:
Originally Posted by WILDEBILL308 View Post
I would be sampling my oil at least annually to check for problems or contamination.

Bill

I agree completely with Bill. Pulling an annual sample or at each oil change will keep you informed about the internal health of your engine and if your maintenance program is adequate.
__________________
Steve Ownby
Full time since 2007
2003 Monaco Signature
Steve Ownby is offline   Reply With Quote
Old 01-13-2017, 10:37 PM   #26
Registered User
 
Join Date: Nov 2016
Location: indio california
Posts: 963
2008 425ISL ;; cummins say up to 20000 miles. I go about 3200 miles per year. I change every 3 years and grease chassis once a year I use 15-40 Valvoline super blue cummins oil
select55 is offline   Reply With Quote
Old 01-14-2017, 08:42 AM   #27
Senior Member
 
Fleetwood Owners Club
Freightliner Owners Club
Join Date: Nov 2009
Location: FORT WORTH, TEXAS
Posts: 2,087
Quote:
Originally Posted by select55 View Post
2008 425ISL ;; cummins say up to 20000 miles. I go about 3200 miles per year. I change every 3 years and grease chassis once a year I use 15-40 Valvoline super blue cummins oil
I would be pulling a oil sample every year.
Bill
__________________
2008 Newmar Mountain Aire
450 HP Cummins ISM 4000MH Allison Trans.
Towing a 2014 Honda CRV with a Blue Ox tow bar.
WILDEBILL308 is online now   Reply With Quote
Old 01-14-2017, 08:57 AM   #28
Senior Member
 
BigBadDad's Avatar
 
Join Date: Jan 2006
Posts: 313
The cost of an oil change is getting back to around roughly the cost of a full tank of fuel. I would consider the coach unaffordable when I thought the cost of one more tank of fuel a year was something I really noticed.
__________________
2016 Pace Arrow LXE 38K
BigBadDad is offline   Reply With Quote
Reply



Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
New low-Sulphur Diesel Fuel--Impact on older Diesel Engines Uncle Ben MH-General Discussions & Problems 7 01-01-2008 07:17 PM
New Cat Diesel Engines Sammie Winnebago Industries Owner's Forum 8 08-04-2006 12:00 PM
'07 new diesel engines journeylad Newmar Owner's Forum 6 07-01-2006 11:24 AM
Diesel oil-change to synthetic? PairoDocs Newmar Owner's Forum 7 08-06-2005 09:07 AM
Diesel Oil Change Question chasfm11 MH-General Discussions & Problems 11 01-05-2005 11:34 AM


All times are GMT -6. The time now is 05:56 PM.


Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2021, vBulletin Solutions, Inc.