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Pot stirring what's the best oil for heavy duty... #4463044
07/18/17 04:01 PM
07/18/17 04:01 PM
Joined: Jul 2017
Posts: 18
OK
Sledge_Hammer Offline OP
Sledge_Hammer  Offline OP
Joined: Jul 2017
Posts: 18
OK
Hello everyone, new member. Did a search, can't really find what I'm asking on, so here she goes......

We have a fleet of dump trucks. They range from C-12 Cats, 3406E Cats, N14 Cummins. No Detriots yet, but that will prolly change fairly soon. All older trucks, so no emissions.

Engines that we haven't rebuilt we are running Rotella T6

Engines we've had redone we are running Mobile 1 Turbo Diesel

Don't mean to 'stir' the pot, but as the heading implies, what's the 'best' oil to be using?

Thanks

Re: Pot stirring what's the best oil for heavy duty... [Re: Sledge_Hammer] #4463069
07/18/17 04:33 PM
07/18/17 04:33 PM
Joined: Oct 2009
Posts: 3,947
Ohio
L_Sludger Offline
L_Sludger  Offline
Joined: Oct 2009
Posts: 3,947
Ohio
IF you have a fleet of dump trucks, then you really should have used oil analysis histories for each of them - the analyses would point out any shortcomings in their current lube service program.


too many cars and oil combinations to list in 150 characters or less
Re: Pot stirring what's the best oil for heavy duty... [Re: Sledge_Hammer] #4463086
07/18/17 04:55 PM
07/18/17 04:55 PM
Joined: Jun 2003
Posts: 2,697
BC, Canada
userfriendly Offline
userfriendly  Offline
Joined: Jun 2003
Posts: 2,697
BC, Canada
I think you are spending too much money on engine oil in the belief that synthetics are better in your application.
Chevron (Caltex) did an engine tear down of 2 identical engines, one that ran on 5w40 and the other 15w40.
After 1m kms, 600k miles, both engines showed very little wear. I posted the video a couple of times.

edit; a different video with an MTU engine and Mandarin sub-titles

https://www.youtube.com/watch?v=UyTIpoJRE1E

Last edited by userfriendly; 07/18/17 05:06 PM.
Re: Pot stirring what's the best oil for heavy duty... [Re: Sledge_Hammer] #4463158
07/18/17 06:21 PM
07/18/17 06:21 PM
Joined: Oct 2014
Posts: 11,865
Idaho
CT8 Online content
CT8  Online Content
Joined: Oct 2014
Posts: 11,865
Idaho
The big 3 oils get the job done. Chevron, Mobile or Shell.


2015 Ford F150 2.7
2018 Ford F350 6.2
Re: Pot stirring what's the best oil for heavy duty... [Re: Sledge_Hammer] #4463173
07/18/17 06:39 PM
07/18/17 06:39 PM
Joined: Oct 2010
Posts: 7,002
Michigan
A_Harman Offline
A_Harman  Offline
Joined: Oct 2010
Posts: 7,002
Michigan
All the engines you mention would do fine on any of the "big 3" HDEO 15w40's. Rotella T, Delo 400, or Delvac 1300. And Kendall Super D-XA would work well, too. Why are you spending extra money on synthetics?


1985 Z51 Corvette track car
2002 Camaro Z28 LS1/6-speed
2001 Dodge Ram 2500 diesel
1972 GMC 1500 shortbed project truck
Re: Pot stirring what's the best oil for heavy duty... [Re: Sledge_Hammer] #4463180
07/18/17 06:53 PM
07/18/17 06:53 PM
Joined: Jun 2003
Posts: 2,697
BC, Canada
userfriendly Offline
userfriendly  Offline
Joined: Jun 2003
Posts: 2,697
BC, Canada
Not meant to be Chevron VS the other guys, but conventional vs synthetic.
To top it off, I need a multi-grade vs mono-grade video.
How about a 16-645 EMD running on SAE 40 since 1965?

https://www.youtube.com/watch?v=GYb_96D6GdA

That Scottish lad sounds just like my grandmother from Dumfries.

Last edited by userfriendly; 07/18/17 06:54 PM.
Re: Pot stirring what's the best oil for heavy duty... [Re: Sledge_Hammer] #4463184
07/18/17 06:56 PM
07/18/17 06:56 PM
Joined: Oct 2004
Posts: 7,994
Cincinnati, OH, USA
bullwinkle Offline
bullwinkle  Offline
Joined: Oct 2004
Posts: 7,994
Cincinnati, OH, USA
T6 seems a little too shear prone for my tastes-a 55 gallon drum of any decent CI-4, CJ-4, or CK-4 15W40 from any of the big 3 would be just fine for your application, unless you plan on starting unplugged in -15F or colder weather. I use TDT 5W40 myself, but only in a CR Cummins that is finicky starting cold or partially warmed up. The older stuff gets straight 30, 15W40, or 10W30 (in winter) dino, all the way. I would add the Conoco/Phillips oil to the list, too-if I ever run low, I can get a good deal on Kendall or Gulf from a local distributor (Aero Oil).

Last edited by bullwinkle; 07/18/17 06:58 PM.

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: Pot stirring what's the best oil for heavy duty... [Re: Sledge_Hammer] #4463200
07/18/17 07:09 PM
07/18/17 07:09 PM
Joined: May 2015
Posts: 69
Louisiana
OLEJOE Offline
OLEJOE  Offline
Joined: May 2015
Posts: 69
Louisiana
I drive for an LTL trucking company and we run C13 Cats, some Mercedes engines and D15 Detroit's. They all get Mobil Delvac 1300 15W-40. They do a 50,000 mile OCI on the Detroit's and 30 or 40,000 on the others. We have very, very few oil related malfunctions.Last CAT I had had 895,000 miles on it when I got my first Detroit. It had 838,000 on it when I got my second Detroit and I have 430,000 on it so far. Zero oil related failures. The Mobil Delvac CJ-4 has also significantly reduced our DPF problems.I use Mobil Delvac MX 15W-40 in my John Deere.


Jack of All Trades. Master of some.
Re: Pot stirring what's the best oil for heavy duty... [Re: Sledge_Hammer] #4463219
07/18/17 07:31 PM
07/18/17 07:31 PM
Joined: Dec 2016
Posts: 279
Sav ga
NStuart Offline
NStuart  Offline
Joined: Dec 2016
Posts: 279
Sav ga
How many mile are y'all going before you change the oil


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: Pot stirring what's the best oil for heavy duty... [Re: Sledge_Hammer] #4463234
07/18/17 07:52 PM
07/18/17 07:52 PM
Joined: May 2015
Posts: 69
Louisiana
OLEJOE Offline
OLEJOE  Offline
Joined: May 2015
Posts: 69
Louisiana
50,000 on the D15 Detroits. I think any of the major oil brands, and some of the store branded oils, would do good for you. Used Oil Analysis for each vehicle would be an exceptional benefit for you. I think the number one thing you could do, would be to inspect the intake systems on your trucks since they are in and around a lot of dirt. Dirt can only enter an engine through the air intake system. Feed it clean air, clean fuel and service it on a regular basis, it will run a long time.


Jack of All Trades. Master of some.
Re: Pot stirring what's the best oil for heavy duty... [Re: Sledge_Hammer] #4463235
07/18/17 07:53 PM
07/18/17 07:53 PM
Joined: Jan 2007
Posts: 17,501
Clovis, CA
Merkava_4 Offline
Merkava_4  Offline
Joined: Jan 2007
Posts: 17,501
Clovis, CA
I'm going to choose Chevron 15W-40 for you. We'll see if anybody disagrees. wink2

Re: Pot stirring what's the best oil for heavy duty... [Re: Sledge_Hammer] #4463238
07/18/17 07:58 PM
07/18/17 07:58 PM
Joined: Sep 2011
Posts: 186
Chicago
Fraser434 Offline
Fraser434  Offline
Joined: Sep 2011
Posts: 186
Chicago
Quite an argument, people will say zinc and phosphorus don't matter, I'd say run as much additive as you can. Mobil Delvac MX is API CI4 plus 1500ppm zinc/phos. TBN around 10. That's an additive rich oil.

I'm sure AMSoil makes a CI4 type oil they go up to TBN of 12 with loads of additive, PAO base stock, I'm sure cost wise it's double the cost of the Delvac MX.

CJ4/CK4 oils, Delvac 1 should have some PAO basestock may make it better than T6, which are both great oils. T6 I believe is pure dino hydrocracked group III basestock.

Re: Pot stirring what's the best oil for heavy duty... [Re: Sledge_Hammer] #4463241
07/18/17 08:03 PM
07/18/17 08:03 PM
Joined: Jun 2003
Posts: 2,697
BC, Canada
userfriendly Offline
userfriendly  Offline
Joined: Jun 2003
Posts: 2,697
BC, Canada
Fraser434; Which part of the synthetic vs conventional video ......

Re: Pot stirring what's the best oil for heavy duty... [Re: Sledge_Hammer] #4463243
07/18/17 08:06 PM
07/18/17 08:06 PM
Joined: Jan 2010
Posts: 954
North Carolina
4ever4d Offline
4ever4d  Offline
Joined: Jan 2010
Posts: 954
North Carolina
In my 30+ years of trucking I have personally seen more 1,000,000 mile or more engines that spent there life on plain Delo 400 15w-40 than any others. So it gets my vote.


04 Chevy Colorado 3.5 I5 5w-30 OEF
07 Honda Element 2.4 I4 5w-20 OEM
10 Nissan Rogue AWD 2.5 I4 5w-30 OEF
Amsoil Products & Fram or Wix Filters




Re: Pot stirring what's the best oil for heavy duty... [Re: 4ever4d] #4463244
07/18/17 08:07 PM
07/18/17 08:07 PM
Joined: May 2015
Posts: 69
Louisiana
OLEJOE Offline
OLEJOE  Offline
Joined: May 2015
Posts: 69
Louisiana
Originally Posted By: 4ever4d
In my 30+ years of trucking I have personally seen more 1,000,000 mile or more engines that spent there life on plain Delo 400 15w-40 than any others. So it gets my vote.

There you go.


Jack of All Trades. Master of some.
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