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#4451018 - 07/06/17 07:22 AM 5.9 Cummins
mobilaltima Offline


Registered: 02/03/11
Posts: 1148
Loc: 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.


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

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#4451033 - 07/06/17 07:43 AM Re: 5.9 Cummins [Re: mobilaltima]
NStuart Offline


Registered: 12/28/16
Posts: 278
Loc: 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


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

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#4451036 - 07/06/17 07:46 AM Re: 5.9 Cummins [Re: mobilaltima]
Donald Offline


Registered: 03/21/04
Posts: 20450
Loc: 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)


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#4451180 - 07/06/17 11:07 AM Re: 5.9 Cummins [Re: mobilaltima]
Bambam Offline


Registered: 12/16/03
Posts: 900
Loc: Monroe,CT
RUN IT !!! The oil can handle it without issue.
_________________________
07 DMAX CC 4x4 ~ Synthetics in the driveline, Delo 15w40 in the sump.
Dirt Bikes and a Harley for the summer!
Ski-Doo for the winter.




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#4451189 - 07/06/17 11:14 AM Re: 5.9 Cummins [Re: mobilaltima]
bullwinkle Offline


Registered: 10/09/04
Posts: 7664
Loc: 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), 15 Transit 3.7, 03 Merc Grand Marquis 4.6 2V(XG2)

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#4451258 - 07/06/17 12:30 PM Re: 5.9 Cummins [Re: mobilaltima]
Srt20 Offline


Registered: 07/14/14
Posts: 494
Loc: 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.

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#4451392 - 07/06/17 02:34 PM Re: 5.9 Cummins [Re: mobilaltima]
Linctex Offline


Registered: 12/31/16
Posts: 6148
Loc: Waco, TX
What everyone else said. I've never changed less than 10,000 on my Cummins.
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"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."

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#4451568 - 07/06/17 05:49 PM Re: 5.9 Cummins [Re: mobilaltima]
TiredTrucker Offline


Registered: 01/04/08
Posts: 3226
Loc: 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.

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#4451688 - 07/06/17 08:09 PM Re: 5.9 Cummins [Re: TiredTrucker]
m37charlie Offline


Registered: 06/08/09
Posts: 1359
Loc: 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


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#4453717 - 07/08/17 07:20 PM Re: 5.9 Cummins [Re: mobilaltima]
A_Harman Offline


Registered: 10/01/10
Posts: 6919
Loc: 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...


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

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#4453921 - 07/08/17 11:47 PM Re: 5.9 Cummins [Re: mobilaltima]
mobilaltima Offline


Registered: 02/03/11
Posts: 1148
Loc: 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

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#4462457 - 07/18/17 04:44 AM Re: 5.9 Cummins [Re: mobilaltima]
DoubleWasp Offline


Registered: 05/21/12
Posts: 5236
Loc: 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

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#4464714 - 07/20/17 09:15 AM Re: 5.9 Cummins [Re: A_Harman]
02vito Offline


Registered: 12/19/10
Posts: 5
Loc: 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.

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#4468281 - 07/23/17 06:36 PM Re: 5.9 Cummins [Re: mobilaltima]
dixon700 Offline


Registered: 10/11/13
Posts: 78
Loc: 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

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#4469318 - 07/24/17 08:14 PM Re: 5.9 Cummins [Re: mobilaltima]
mobilaltima Offline


Registered: 02/03/11
Posts: 1148
Loc: 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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