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Rotela T4 -> now without API SM ? #4584035
11/24/17 09:12 PM
11/24/17 09:12 PM
Joined: Sep 2013
Posts: 94
Montreal,Quebec,Canada
Yannick Offline OP
Yannick  Offline OP
Joined: Sep 2013
Posts: 94
Montreal,Quebec,Canada
Hello,

I always put Rotela Triple action 15w40 in my 350 gas engine boat.
it seems that Rotela changed their formula with T4 instead of Triple Action.

Triple action has these API :
API: CJ-4, CI-4 Plus, CI-4, CH-4, CG-4, CF-4, CF. ∑
API: SM, SL, SJ, SH ∑
ACEA: E9, E7 ∑
etc...

We can see API : SM , for gasoline engine.

Now T4 has these API :15W-40 CK-4, CJ-4, CI-4 Plus, CI-4, CH-4; ACEA E9; JASO DH-2, MA, MA2; Caterpillar ECF-2, ECF-3; Cummins CES 20086, 81; Detroit Fluids Specification (DFS) 93K222, 93K218; Deutz DQC III-10 LA; MACK EO-S 4.5, EO-O Premium Plus; MAN M3575; MB-Approval 228.31; MTU Category 2.1; Allison TES-439; Volvo VDS-4.5, VDS-4

no more API SM !!
Is there a reason ?

Re: Rotela T4 -> now without API SM ? [Re: Yannick] #4584047
11/24/17 09:24 PM
11/24/17 09:24 PM
Joined: Dec 2009
Posts: 26,177
Regina, Saskatchewan, Canada
Garak Offline
Garak  Offline
Joined: Dec 2009
Posts: 26,177
Regina, Saskatchewan, Canada
It's been addressed a number of times. With an SN in an ILSAC HDEO grade (i.e. 0w-30, 5w-30, 10w-30), P has to be cut if an SN is to be shown. Some companies have brought SN with the CK-4 for their 15w-40 products (and other non-ILSAC grades), whereas others haven't, depending upon their formulation and marketing plans.


Plain, simple Garak.

2008 Infiniti G37 - Shell ROTELLA T6 Multi-Vehicle 5w-30, NAPA Gold 7356
1984 F-150 4.9L - Quaker State GB 10w-30, Wix 51515
Re: Rotela T4 -> now without API SM ? [Re: Yannick] #4584058
11/24/17 09:30 PM
11/24/17 09:30 PM
Joined: Sep 2013
Posts: 94
Montreal,Quebec,Canada
Yannick Offline OP
Yannick  Offline OP
Joined: Sep 2013
Posts: 94
Montreal,Quebec,Canada
Is it still safe to put Rotela T4 in gasoline engine ? or the formula changed ?

Re: Rotela T4 -> now without API SM ? [Re: Yannick] #4584067
11/24/17 09:38 PM
11/24/17 09:38 PM
Joined: Jun 2004
Posts: 2,684
South Carolina
bmwtechguy Offline
bmwtechguy  Offline
Joined: Jun 2004
Posts: 2,684
South Carolina
It is safe, but not ideal. If you need that heavy an oil in your gasoline engine, go with a high mileage 10W-40 such as Maxlife or Castrol.

Re: Rotela T4 -> now without API SM ? [Re: Yannick] #4584092
11/24/17 10:30 PM
11/24/17 10:30 PM
Joined: Dec 2009
Posts: 26,177
Regina, Saskatchewan, Canada
Garak Offline
Garak  Offline
Joined: Dec 2009
Posts: 26,177
Regina, Saskatchewan, Canada
You can. The formulation has obviously changed with CK-4 coming out, but it didn't become a marine lube or a two stroke diesel lube. It's still E7, E9, so it's safe. Oil companies prefer you to buy within specifications, of course, notably in the 40 grades when it comes to expensive A3/B4 lubes. wink


Plain, simple Garak.

2008 Infiniti G37 - Shell ROTELLA T6 Multi-Vehicle 5w-30, NAPA Gold 7356
1984 F-150 4.9L - Quaker State GB 10w-30, Wix 51515
Re: Rotela T4 -> now without API SM ? [Re: Yannick] #4584318
11/25/17 09:04 AM
11/25/17 09:04 AM
Joined: Apr 2017
Posts: 101
Michigan
Building3 Offline
Building3  Offline
Joined: Apr 2017
Posts: 101
Michigan
I called up the Shell tech hot line on Tuesday and asked if T-4 was still recommended for flat tappet engines. They said it was so I will continue to use it in my 1960's muscle cars. So in my case anyway, nothing has changed.

Re: Rotela T4 -> now without API SM ? [Re: Yannick] #4585207
11/26/17 07:20 AM
11/26/17 07:20 AM
Joined: Jun 2011
Posts: 1,803
Crawfordville FL
SilverFusion2010 Offline
SilverFusion2010  Offline
Joined: Jun 2011
Posts: 1,803
Crawfordville FL
It still meets SM but shell has chosen to drop PCMO certification because of zddp levels.

One of the shell contributors here stated that the formula hasn't changed.

That said there are many other options for 40grade in PCMO


2010 Ford Fusion SE 3.0L V6, 181 miles M1 HM 10w-30

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