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Mobil 1 TDT 5W-40 #4754289
05/11/18 02:41 PM
05/11/18 02:41 PM
Joined: Jun 2008
Posts: 177
Texas
SargeBB Offline OP
SargeBB  Offline OP

Joined: Jun 2008
Posts: 177
Texas
I'm moving towards a common oil for all our vehicles: Here's some information on each, including the current oil used on each: 1: 2015 Ford F-350 6.7 Diesel, currently on Motorcraft 15W-40 Diesel mineral oil; 2. 2015 Subaru Forester Turbo, currently on 5W-30 Mobil-1; 3. 2008 Toyota Tacoma 4x4 2.7 Liter 4 cly.,-recently changed to Mobil-1 TDT 5W-40; 4. 1996 Toyota Camry V-6 345,000 miles - Mobil-1 TDT 5W-40, 5. 2006 Kubota Diesel tractor - currently on Chevron Delo 400 diesel oil; 6. 1951 Plymouth - 5W-40 M-1 TDT; and 7. 1949 Dodge 3/4 ton - M-i TDT 5W-40; and our many mowers, generators, power washers and other air cooled engines run on the various viscosities of old Mobil-I I have in stock ranging from 0W-30 to 15W-50, and they all run very smooth on it.
Finally my question: If I get ALL 7 of the above on one common oil and viscosity, would the Mobil-1 TDT 5W40 be about as good as I could do? I notice it is certified for use in both diesels and gas engines.

Last edited by SargeBB; 05/11/18 02:44 PM.
Re: Mobil 1 TDT 5W-40 [Re: SargeBB] #4754314
05/11/18 03:17 PM
05/11/18 03:17 PM
Joined: Jul 2015
Posts: 565
Pennsylvania
Astro_Guy Offline
Astro_Guy  Offline

Joined: Jul 2015
Posts: 565
Pennsylvania
I can't comment on what would be the best, but Chevron Delo 400 XSP Synthetic 5W40 also carries the API SN rating for service in gasoline engines. It costs less too.

Re: Mobil 1 TDT 5W-40 [Re: Astro_Guy] #4754526
05/11/18 08:32 PM
05/11/18 08:32 PM
Joined: Jan 2006
Posts: 1,107
Ruidoso, NM USA
ammolab Online content
ammolab  Online Content

Joined: Jan 2006
Posts: 1,107
Ruidoso, NM USA
Originally Posted By: Astro_Guy
I can't comment on what would be the best, but Chevron Delo 400 XSP Synthetic 5W40 also carries the API SN rating for service in gasoline engines. It costs less too.


Yes, this! A thousand posts lament the loss of SN rating on Rotella T6 and nobody seems to know this SN Delo Syn exisists


2009 Honda CR-V
2011 BMW R1200R
2005 Kaw Ninja 250
1994 Jeep Wrangler 2.5L
2016 Chevy SS Sport Sedan
Re: Mobil 1 TDT 5W-40 [Re: SargeBB] #4754531
05/11/18 08:40 PM
05/11/18 08:40 PM
Joined: Dec 2017
Posts: 3,917
SE British Columbia, Canada
Snagglefoot Online content
Snagglefoot  Online Content

Joined: Dec 2017
Posts: 3,917
SE British Columbia, Canada
I would keep the Forester seperate with 5-30 but go ahead with the TDT with everything else, or buy a SN rated 5-40 HDEO on sale, or save even more by buying by the pail and using the Mobil rebate. Mobil Delvac 1 will be SN rated when the new stock arrives.

Last edited by Snagglefoot; 05/11/18 08:40 PM.

If you want the job done right......do it yourself.
Re: Mobil 1 TDT 5W-40 [Re: SargeBB] #4754536
05/11/18 08:46 PM
05/11/18 08:46 PM
Joined: Apr 2016
Posts: 1,990
Oregon
1JZ_E46 Offline
1JZ_E46  Offline

Joined: Apr 2016
Posts: 1,990
Oregon
Another vote for the Delo for the entire fleet.


2007 X5 4.8i: M1 HM 10W-30
2016 Countryman S: Castrol 0W-40
Re: Mobil 1 TDT 5W-40 [Re: SargeBB] #4754566
05/11/18 09:13 PM
05/11/18 09:13 PM
Joined: Jan 2017
Posts: 69
Michigan
Buzzinhalfdozen Offline
Buzzinhalfdozen  Offline

Joined: Jan 2017
Posts: 69
Michigan
Does delo or tdt meet the Ford spec for the 6.7? I couldn't find anything that says they did.

I cast a vote for Rotella T5 10w-30.

Last edited by Buzzinhalfdozen; 05/11/18 09:14 PM.

1999 Jeep Cherokee sport 4.0L
2015 Jeep Cherokee 3.2L
Re: Mobil 1 TDT 5W-40 [Re: ammolab] #4754608
05/11/18 09:50 PM
05/11/18 09:50 PM
Joined: Dec 2009
Posts: 26,842
Regina, Saskatchewan, Canada
Garak Offline
Garak  Offline

Joined: Dec 2009
Posts: 26,842
Regina, Saskatchewan, Canada
Originally Posted By: ammolab
Yes, this! A thousand posts lament the loss of SN rating on Rotella T6 and nobody seems to know this SN Delo Syn exisists

My T6 in the sump still has an SN rating, along with CK-4.


Plain, simple Garak.

2008 Infiniti G37 - Shell ROTELLA T6 Multi-Vehicle 5w-30, Wix 57356
1984 F-150 4.9L - Quaker State GB 10w-30, Wix 51515
Re: Mobil 1 TDT 5W-40 [Re: Garak] #4754621
05/11/18 10:01 PM
05/11/18 10:01 PM
Joined: Jan 2006
Posts: 1,107
Ruidoso, NM USA
ammolab Online content
ammolab  Online Content

Joined: Jan 2006
Posts: 1,107
Ruidoso, NM USA
Originally Posted By: Garak
Originally Posted By: ammolab
Yes, this! A thousand posts lament the loss of SN rating on Rotella T6 and nobody seems to know this SN Delo Syn exisists

My T6 in the sump still has an SN rating, along with CK-4.


5W-30? As in the title of the post...we are talking 5W-40, TDT, Delo, etc.


2009 Honda CR-V
2011 BMW R1200R
2005 Kaw Ninja 250
1994 Jeep Wrangler 2.5L
2016 Chevy SS Sport Sedan
Re: Mobil 1 TDT 5W-40 [Re: SargeBB] #4754622
05/11/18 10:01 PM
05/11/18 10:01 PM
Joined: Jul 2012
Posts: 2,365
Nashville, TN via Memphis
john_pifer Offline
john_pifer  Offline

Joined: Jul 2012
Posts: 2,365
Nashville, TN via Memphis
M1 5W-30 isnít typically awesome in turbo Subarus.


16 WRX - PPPP
07 Tacoma V6 - M1 EP 5W-30, Fram Ultra, 10K OCIs, 208K
07 Yamaha R1 - Rotella T6 5W-40, Bosch 3300
07 Yamaha YZ-250, Klotz, Rotella

Re: Mobil 1 TDT 5W-40 [Re: john_pifer] #4754636
05/11/18 10:23 PM
05/11/18 10:23 PM
Joined: Sep 2010
Posts: 8,180
Texas
4WD Online confused
4WD  Online Confused

Joined: Sep 2010
Posts: 8,180
Texas
IIRC ... Delvac 1 ESP 5w40 is around 30% PAO and 12 TBN Ö and seems Mobil has to be careful not to compete with Mobil on approvals Ö but know folks who run in new PSDís regardless Ö couple times a year Walmart will have on sale but expensive when itís not Ö

Re: Mobil 1 TDT 5W-40 [Re: ammolab] #4754637
05/11/18 10:31 PM
05/11/18 10:31 PM
Joined: Dec 2009
Posts: 26,842
Regina, Saskatchewan, Canada
Garak Offline
Garak  Offline

Joined: Dec 2009
Posts: 26,842
Regina, Saskatchewan, Canada
Originally Posted By: ammolab
5W-30? As in the title of the post...we are talking 5W-40, TDT, Delo, etc.

True, but it still has a whack of diesel OEM approvals. Nonetheless, let's look at Rotella T6 5w-40 CK-4 (or any HDEO 5w-40 that recently lost gasoline certifications). If an E7, E9 5w-40 HDEO was suitable for your gasoline engine a few months ago, what makes that E7, E9 lubricant unsuitable for the same gasoline engine a few months later?


Plain, simple Garak.

2008 Infiniti G37 - Shell ROTELLA T6 Multi-Vehicle 5w-30, Wix 57356
1984 F-150 4.9L - Quaker State GB 10w-30, Wix 51515
Re: Mobil 1 TDT 5W-40 [Re: 4WD] #4754650
05/11/18 10:54 PM
05/11/18 10:54 PM
Joined: Nov 2017
Posts: 323
California
CleverUserName Offline
CleverUserName  Offline

Joined: Nov 2017
Posts: 323
California
Originally Posted By: 4WD
IIRC ... Delvac 1 ESP 5w40 is around 30% PAO and 12 TBN Ö and seems Mobil has to be careful not to compete with Mobil on approvals Ö but know folks who run in new PSDís regardless Ö couple times a year Walmart will have on sale but expensive when itís not Ö


PAOs arenít listed on the new SDS for D1. It says itís group III and GTL bases now. TBN is now 12.

Last edited by CleverUserName; 05/11/18 11:03 PM.
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