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5.9 Cummins #4451018
07/06/17 07:22 AM
07/06/17 07:22 AM
Joined: Feb 2011
Posts: 1,186
Golden Meadow, LA
mobilaltima Offline OP
mobilaltima  Offline OP
Joined: Feb 2011
Posts: 1,186
Golden Meadow, LA
My uncles truck, 2005 Ram 2500 with the 5.9 common rail Cummins. He has 361k miles on it, very well taken care and still used daily. He usually does long highway miles, I've been changing the oil with Delvac 15W40 and a Baldwin filter every 7k miles. He does tow my cousins 31 Contender often, not sure how much it weighs but I'm sure its heavy. Usually gets towed 30 miles to the Gulf and 30 miles back home. He has to take it to Pompano Beach Florida on Friday, 903 miles one way. He has 4k miles on the oil right now and he asked me if he should change it now being he'll be towing all that weight for a long distance or to wait till 7k. I told him I'd ask on here. Also should we shorten the regular oci to 5-6k instead of 7k? Hes not interested in doing UOA's. Thanks guys.

Last edited by mobilaltima; 07/06/17 07:23 AM.

2006 2500 Dodge 5.9 Cummins Mobil Delvac 15W40, Fleetguard Stratapore 90k miles
Early '99 F250 ECLB 7.3 Stroker, 223k miles
Re: 5.9 Cummins [Re: mobilaltima] #4451033
07/06/17 07:43 AM
07/06/17 07:43 AM
Joined: Dec 2016
Posts: 279
Sav ga
NStuart Offline
NStuart  Offline
Joined: Dec 2016
Posts: 279
Sav ga
If the truck runs well it is absolute fine,its a diesel . enough said! No emissions or egr so fuel dilution and soot aren't an issue.
Edit(soot is not as big of an issue)

I don't know what filters you use but look into Donaldson blue filters for that truck. With a half decent oil and any filter 10k would be my staring point for oci b4 uoa

Last edited by NStuart; 07/06/17 07:45 AM.

Detroit14l 1m75k mi bp schaffer9k 30k oil
96 ram 5.9 gas 80k built tranny 5k m1
85 cj7 4.2 performance build. Schaeffer 9000
08 cbr600rr graffiti. T6
08 husky sm610 t6
Re: 5.9 Cummins [Re: mobilaltima] #4451036
07/06/17 07:46 AM
07/06/17 07:46 AM
Joined: Mar 2004
Posts: 20,758
Upstate NY
Donald Offline
Donald  Offline
Joined: Mar 2004
Posts: 20,758
Upstate NY
I was doing 18k miles on Rotella T6 in my 1999 Cummins. UOA showed I was fine even at 18k.

I would think your fine with not changing the oil now.


2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: 5.9 Cummins [Re: mobilaltima] #4451180
07/06/17 11:07 AM
07/06/17 11:07 AM
Joined: Dec 2003
Posts: 908
Monroe,CT
Bambam Offline
Bambam  Offline
Joined: Dec 2003
Posts: 908
Monroe,CT
RUN IT !!! The oil can handle it without issue.


07 DMAX CC 4x4 ~ Synthetics in the driveline, Delo XLE 15w40 in the sump.
Dirt Bikes and a Harley for the summer!
Ski-Doo for the winter.



Re: 5.9 Cummins [Re: mobilaltima] #4451189
07/06/17 11:14 AM
07/06/17 11:14 AM
Joined: Oct 2004
Posts: 7,974
Cincinnati, OH, USA
bullwinkle Offline
bullwinkle  Offline
Joined: Oct 2004
Posts: 7,974
Cincinnati, OH, USA
My '06 Cummins is rated for 10K (non-severe) OCIs, I'm sure he'll be fine. Hope it's a 6 speed, those are better for hot weather heavy towing than the 48RE automatic (which unfortunately my '06 has).


06 Ram 3500 CTD 4X4(FG Venturi), 93 GMC C3500 6.2, 89 F-450 7.3, 98 XJ 4.0(XG8A), 05 xB(XG3600), 18 Transit 3.7, 03 Merc Grand Marquis 4.6 2V(XG2)
Re: 5.9 Cummins [Re: mobilaltima] #4451258
07/06/17 12:30 PM
07/06/17 12:30 PM
Joined: Jul 2014
Posts: 534
Wisconsin
Srt20 Offline
Srt20  Offline
Joined: Jul 2014
Posts: 534
Wisconsin
IIRC my owners manual said 15K regular 7.5K severe OCI. 05 Cummins.

I change at 10k. Sometimes I pull heavy trailers, sometimes I don't. Its also my DD so it sees probably 30% city and 70% highway.

Run it.

Re: 5.9 Cummins [Re: mobilaltima] #4451392
07/06/17 02:34 PM
07/06/17 02:34 PM
Joined: Dec 2016
Posts: 6,230
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 6,230
Waco, TX
What everyone else said. I've never changed less than 10,000 on my Cummins.


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: 5.9 Cummins [Re: mobilaltima] #4451568
07/06/17 05:49 PM
07/06/17 05:49 PM
Joined: Jan 2008
Posts: 3,296
Central Iowa
TiredTrucker Offline
TiredTrucker  Offline
Joined: Jan 2008
Posts: 3,296
Central Iowa
I think I would concur with at least 10K intervals in normal service. Over the years, I have taken most of my small diesels that far on oil changes.


Freedom is not about having the choice to do what you want, but the choice to do what you ought.
Re: 5.9 Cummins [Re: TiredTrucker] #4451688
07/06/17 08:09 PM
07/06/17 08:09 PM
Joined: Jun 2009
Posts: 1,366
Alaska
m37charlie Offline
m37charlie  Offline
Joined: Jun 2009
Posts: 1,366
Alaska
Originally Posted By: TiredTrucker
I think I would concur with at least 10K intervals in normal service. Over the years, I have taken most of my small diesels that far on oil changes.


Me too.
Unimog with OM906LA up to 26K miles but that with 31qt oil pan.

Charlie


05 Unimog U500/Unicat camper/Delvac 1 SHC ACEA E4/E5
09 BMW X5 35d/Delvac1 LE 5W30
88 Toyota OJ50LV OM314 motor D1 SHC
52 Dodge M37/Hercules diesel

Re: 5.9 Cummins [Re: mobilaltima] #4453717
07/08/17 07:20 PM
07/08/17 07:20 PM
Joined: Oct 2010
Posts: 7,002
Michigan
A_Harman Offline
A_Harman  Offline
Joined: Oct 2010
Posts: 7,002
Michigan
No problem with making the Florida trip before doing an oil change. 31' travel trailer probably weighs 8k pounds, maybe 10k fully loaded. That's nothing for the Cummins. That truck should be rated for at least 16k pounds max tow. You've been changing the oil much more often than necessary. 15k oil change intervals pretty easily. Fleetguard filter is great, don't worry about that. I've been running 30k-plus OCI's on my diesel Ram for many years. Just got a UOA on mine, will be posting soon. I've been delivering travel trailers with it, so 50% of its runtime is towing. I expect the engine to go at least 600k miles. The transmission is another issue...

Last edited by A_Harman; 07/08/17 07:23 PM.

1985 Z51 Corvette track car
2002 Camaro Z28 LS1/6-speed
2001 Dodge Ram 2500 diesel
1972 GMC 1500 shortbed project truck
Re: 5.9 Cummins [Re: mobilaltima] #4453921
07/08/17 11:47 PM
07/08/17 11:47 PM
Joined: Feb 2011
Posts: 1,186
Golden Meadow, LA
mobilaltima Offline OP
mobilaltima  Offline OP
Joined: Feb 2011
Posts: 1,186
Golden Meadow, LA
31 foot Contender offshore boat, not a camper. Amazingly the tranny has held up great for 361k miles


2006 2500 Dodge 5.9 Cummins Mobil Delvac 15W40, Fleetguard Stratapore 90k miles
Early '99 F250 ECLB 7.3 Stroker, 223k miles
Re: 5.9 Cummins [Re: mobilaltima] #4462457
07/18/17 04:44 AM
07/18/17 04:44 AM
Joined: May 2012
Posts: 5,380
Fort Lauderdale, FL
DoubleWasp Offline
DoubleWasp  Offline
Joined: May 2012
Posts: 5,380
Fort Lauderdale, FL
Originally Posted By: mobilaltima
31 foot Contender offshore boat, not a camper. Amazingly the tranny has held up great for 361k miles


Now that's a shocker right there lol.


07 Lincoln Navigator M1 0w-40/FU
68 Charger R/T / Supercharged 440 VR1/DBL7349
07 Ram 3500 4x4 / Cummins 6.7 /DBL7349
17 Maserati GranTurismo Cabrio
Re: 5.9 Cummins [Re: A_Harman] #4464714
07/20/17 09:15 AM
07/20/17 09:15 AM
Joined: Dec 2010
Posts: 7
Colorado
02vito Offline
02vito  Offline
Joined: Dec 2010
Posts: 7
Colorado
>>I've been running 30k-plus OCI's on my diesel Ram for many years. <<

What oil[s] are you running and what filtration?

Do you change filter[s] during your 30k OCI?

Thanks.

Re: 5.9 Cummins [Re: mobilaltima] #4468281
07/23/17 06:36 PM
07/23/17 06:36 PM
Joined: Oct 2013
Posts: 78
pa
dixon700 Offline
dixon700  Offline
Joined: Oct 2013
Posts: 78
pa
30k oci... I just dropped down to 3k as per Blackstone.


04.5ram CTD lots of parts delvac15w-40 just delvac next time Donaldson elf7349 02 elantra gt castrol edge10w-30 oem filter
Re: 5.9 Cummins [Re: mobilaltima] #4469318
07/24/17 08:14 PM
07/24/17 08:14 PM
Joined: Feb 2011
Posts: 1,186
Golden Meadow, LA
mobilaltima Offline OP
mobilaltima  Offline OP
Joined: Feb 2011
Posts: 1,186
Golden Meadow, LA
DoubleWasp, you aint kidding lol


2006 2500 Dodge 5.9 Cummins Mobil Delvac 15W40, Fleetguard Stratapore 90k miles
Early '99 F250 ECLB 7.3 Stroker, 223k miles

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