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5W-40 Synthetic for OPE #4751580
05/08/18 08:57 PM
05/08/18 08:57 PM
Joined: Jul 2015
Posts: 487
Pennsylvania
Astro_Guy Offline OP
Astro_Guy  Offline OP
Joined: Jul 2015
Posts: 487
Pennsylvania
I've been slowly coming to the conclusion that a good synthetic 5W-40 HDEO might be the universal OPE oil here in Pennsylvania. This is based upon a number of things, including the current B&S recommendations that include both synthetic 5W-30 and 15W-50; it seems to me that 5W-40 lands within that range. I have a number of Honda and Chonda powered machines calling for 5W-30 synthetic.

That being said, the extreme temperatures here range from -4 to + 102 F. Normal temperatures range from about +15 to +95 F. The only machine in my OPE fleet that would ever be called upon to run at or near either extreme is the portable generator. I want that machine to start easily and run at the extremes. None of my OPE would ever start with an oil temp below +25 F. The snow blower might run for an hour or more at +5 F, but it will start at or above +25 F. Somehow I doubt that a 5W-40 is going to do the snow blower any harm. None of the other OPE is likely to run above +90 F ambient.

So what are your thoughts? Is this reasonable? Could I run Rotella T6 or Chevron Delo 400 XSP 5W-40 in the entire OPE fleet and sleep easy?

Re: 5W-40 Synthetic for OPE [Re: Astro_Guy] #4751584
05/08/18 09:03 PM
05/08/18 09:03 PM
Joined: Oct 2010
Posts: 4,926
Midwest
volk06 Offline
volk06  Offline
Joined: Oct 2010
Posts: 4,926
Midwest
That sounds reasonable but why not just run a cheaper PCMO 10w-30 synthetic? A 10w-30 synthetic will still be thinner than a 5w-40 synthetic at colder temps. I personally run M1 0w-40 currently due a AZ clearance 2 years ago.

Last edited by volk06; 05/08/18 09:07 PM.

2011 F-150 Ecoboost
2012 Focus S
2001 Taurus
Re: 5W-40 Synthetic for OPE [Re: Astro_Guy] #4751585
05/08/18 09:03 PM
05/08/18 09:03 PM
Joined: Dec 2011
Posts: 4,862
North Carolina
rooflessVW Online content
rooflessVW  Online Content
Joined: Dec 2011
Posts: 4,862
North Carolina
No question.

The HDEO 15W-40 synthetic blends would also serve you well, methinks.


"Zed's dead baby, Zed's dead."
Re: 5W-40 Synthetic for OPE [Re: Astro_Guy] #4751613
05/08/18 09:28 PM
05/08/18 09:28 PM
Joined: May 2018
Posts: 1,099
Tri State Conservative
Zee09 Offline
Zee09  Offline
Joined: May 2018
Posts: 1,099
Tri State Conservative
Many shops around here use T6 5w40 too for ope


"If I walked on water, they'd say I couldn't swim."
Re: 5W-40 Synthetic for OPE [Re: rooflessVW] #4751614
05/08/18 09:30 PM
05/08/18 09:30 PM
Joined: Jul 2015
Posts: 487
Pennsylvania
Astro_Guy Offline OP
Astro_Guy  Offline OP
Joined: Jul 2015
Posts: 487
Pennsylvania
Originally Posted By: volk06
That sounds reasonable but why not just run a cheaper PCMO 10w-30 synthetic? A 10w-30 synthetic will still be thinner than a 5w-40 synthetic at colder temps. I personally run M1 0w-40 currently due a AZ clearance 2 years ago.

I do that now with several machines; 5w-40 seems to be a good all around compromise and will hopefully protect the engine better in extended high temperature operation. Presently MY OPE has 5W-30, 5W-40, 10W-30, and 15W-40. Life was simpler when they all took SAE 30, but methinks life is better now. Standardizing one one good oil available in 4 or 5 quart jugs would be great.

Originally Posted By: rooflessVW
No question. The HDEO 15W-40 synthetic blends would also serve you well, methinks.

Probably, but it's a lot harder to pull the starter cord in cold temperatures. I've got a leaf vacuum that would be difficult starting with SAE 30, but a joy to start with %W-40. Should the need arise, I'd like others to be able to start these machines easily.
Originally Posted By: Zee09
Many shops around here use T6 5w40 too for ope

Glad to hear it!


Re: 5W-40 Synthetic for OPE [Re: Astro_Guy] #4751641
05/08/18 10:26 PM
05/08/18 10:26 PM
Joined: Sep 2008
Posts: 9,213
Ontario, Canada
IndyIan Offline
IndyIan  Offline
Joined: Sep 2008
Posts: 9,213
Ontario, Canada
I use T6 5W40 for everything but our cars. Seems to work fine. I guess my 2001 300 king quad has around 2000hrs on it now, with quite a few plowing our 1/4 mile driveway, or pulling 1000lbs of wood and trailer around, and seems to have as much power as I remember it had new.


07 Focus ZXW, 5spd manual, 218km M1 5W30
18 Outback 2.5 CVT 15km 0W20
Re: 5W-40 Synthetic for OPE [Re: Astro_Guy] #4751647
05/08/18 10:34 PM
05/08/18 10:34 PM
Joined: Mar 2008
Posts: 5,872
South Florida
bubbatime Offline
bubbatime  Offline
Joined: Mar 2008
Posts: 5,872
South Florida
I am a huge proponent of 40 weight oils (here). BUT. For the snow blower, those things stay pretty cool, with the engine fan blowing 5 to 15 degree air on them.

5W30 is more than enough for the snow blowers, in my opinion.

But yes, 5W40 (and 0W40 and 15W40) are excellent, universal choices for most power equipment.


17 Chrysler Pacifica Mobil 1 5W30
13 Yamaha XT250 Valv MC 10W40
12 Suzuki S40 Rotella 15W40
10 Acura TSX 2.4 PZL Plat 5W30
06 GMC Sierra Nextgen 10W30


Re: 5W-40 Synthetic for OPE [Re: Astro_Guy] #4751783
05/09/18 07:44 AM
05/09/18 07:44 AM
Joined: Dec 2017
Posts: 2,462
SE British Columbia, Canada
Snagglefoot Offline
Snagglefoot  Offline
Joined: Dec 2017
Posts: 2,462
SE British Columbia, Canada
Iím a big fan of 40 weight because 40 is 10 more than 30. It makes no difference. If you read your owners manuals most OPE manufacturers donít suggest 40 weight until temperatures are above 100 F. If you are out there cutting your grass at above 100 F , knock yourself out. And donít blame CAFE for the OPE manufacturers for choosing 30 weight. Bitog on!


If you want the job done right......do it yourself.
Re: 5W-40 Synthetic for OPE [Re: Astro_Guy] #4751786
05/09/18 07:53 AM
05/09/18 07:53 AM
Joined: Jan 2012
Posts: 415
hawthorne, Ca.
46Harry Offline
46Harry  Offline
Joined: Jan 2012
Posts: 415
hawthorne, Ca.
I've been using Rotella T6 5W-40 in my OPE for the past couple of years with good results.

Re: 5W-40 Synthetic for OPE [Re: volk06] #4751831
05/09/18 08:53 AM
05/09/18 08:53 AM
Joined: Feb 2008
Posts: 392
USA
smithph Offline
smithph  Offline
Joined: Feb 2008
Posts: 392
USA
Originally Posted By: volk06
That sounds reasonable but why not just run a cheaper PCMO 10w-30 synthetic?


I run my lawn tractor about 2 hours at a time, two or three times a week (multi properties). Maybe I am just old school but I like more ZDDP in my air cooled OPE engines given their higher running temperatures compared to water cooled engines using PCMO oil. See new Briggs 15w50 oil VOE here... good ZDDP levels like most HDEO oils. HDEO oil are not necessarily more expensive than PCMO oils.

https://www.bobistheoilguy.com/forums/ub...nguard_S#UNREAD


Fear, uncertainty and doubt are excuses to do nothing!
Re: 5W-40 Synthetic for OPE [Re: volk06] #4751867
05/09/18 09:43 AM
05/09/18 09:43 AM
Joined: Sep 2015
Posts: 5,939
Kalifornia Kollective
BrocLuno Offline
BrocLuno  Offline
Joined: Sep 2015
Posts: 5,939
Kalifornia Kollective
Originally Posted By: volk06
That sounds reasonable but why not just run a cheaper PCMO 10w-30 synthetic? A 10w-30 synthetic will still be thinner than a 5w-40 synthetic at colder temps. I personally run M1 0w-40 currently due a AZ clearance 2 years ago.


So how does a 5W become thicker than a 10W at"colder temps" ...


Formerly in marine engineering. In an earlier life I owned my own petroleum tank truck, and hauled for the majors and independent's.
Re: 5W-40 Synthetic for OPE [Re: BrocLuno] #4751878
05/09/18 09:59 AM
05/09/18 09:59 AM
Joined: Oct 2010
Posts: 4,926
Midwest
volk06 Offline
volk06  Offline
Joined: Oct 2010
Posts: 4,926
Midwest
Originally Posted By: BrocLuno
Originally Posted By: volk06
That sounds reasonable but why not just run a cheaper PCMO 10w-30 synthetic? A 10w-30 synthetic will still be thinner than a 5w-40 synthetic at colder temps. I personally run M1 0w-40 currently due a AZ clearance 2 years ago.


So how does a 5W become thicker than a 10W at"colder temps" ...


Its been discussed on here indepth before, it has to do with the HTHS, the different base stocks and different specifications/viscosity range requirements for each weight, idr off the top of my head.

For instance,

Look at the viscosities of Delvac 5w-40, M1 0w-40 and M1 10w-30.

Delvac 5w-40
40C - 84
100C - 13.8
HTHS - 3.8

M1 0w-40
40C - 70.8
100C - 12.9
HTHS - 3.6

M1 10w-30
40C - 63.2
100C - 10.1
HTHS - 3.0

I can't readily find the MRV numbers for the regular M1 oils.

As you can see, the 10w-30 is the thinnest than either 40 weight oils, even though it is a 10w-30. Its not usually until extreme negative temperatures, the difference might be seen.


2011 F-150 Ecoboost
2012 Focus S
2001 Taurus
Re: 5W-40 Synthetic for OPE [Re: Snagglefoot] #4751907
05/09/18 10:34 AM
05/09/18 10:34 AM
Joined: Mar 2008
Posts: 5,872
South Florida
bubbatime Offline
bubbatime  Offline
Joined: Mar 2008
Posts: 5,872
South Florida
Originally Posted By: Snagglefoot
Iím a big fan of 40 weight because 40 is 10 more than 30. It makes no difference. If you read your owners manuals most OPE manufacturers donít suggest 40 weight until temperatures are above 100 F. If you are out there cutting your grass at above 100 F , knock yourself out. And donít blame CAFE for the OPE manufacturers for choosing 30 weight. Bitog on!


Oh, look the person from the great white frozen north doesn't understand the use of 40 weight oils. LMAO. It was 94 degrees here yesterday. And will be 94 degrees and up for the next six months straight. Sure, I'm sure it gets that hot where you live (for 5 days a year)

Dude I ran a small engine shop. I have done thousands of oil changes on small engines in south Florida. 30 weight is marginal for commercial use or long time use (pumps, generators, pressure washers, commercial mowers) down here. If you are running 30 weight in a generator, in Florida, you are out of your mind.

Just open a Kawasaki manual. Or a Briggs manual. And you'll find plenty of 40 weight and 50 weight recommendations for high temps.


17 Chrysler Pacifica Mobil 1 5W30
13 Yamaha XT250 Valv MC 10W40
12 Suzuki S40 Rotella 15W40
10 Acura TSX 2.4 PZL Plat 5W30
06 GMC Sierra Nextgen 10W30


Re: 5W-40 Synthetic for OPE [Re: Snagglefoot] #4751917
05/09/18 10:51 AM
05/09/18 10:51 AM
Joined: Jul 2015
Posts: 487
Pennsylvania
Astro_Guy Offline OP
Astro_Guy  Offline OP
Joined: Jul 2015
Posts: 487
Pennsylvania
Originally Posted By: Snagglefoot
If you read your owners manuals most OPE manufacturers donít suggest 40 weight until temperatures are above 100 F.


Actually Briggs and Stratton recommend 15w50 for anything above 20 F. My thoughts were to split the difference between the two right hand recommendations below.


Re: 5W-40 Synthetic for OPE [Re: Astro_Guy] #4751960
05/09/18 12:00 PM
05/09/18 12:00 PM
Joined: Apr 2010
Posts: 4,452
Storrs, Connecticut
jeepman3071 Offline
jeepman3071  Offline
Joined: Apr 2010
Posts: 4,452
Storrs, Connecticut
I've used both Rotella 5w40 and 10w30 with good results in year round and summer equipment. I use conventional 5w30 in snowblowers.


2000 Jeep Cherokee 4.0L (181k) - Pennzoil 10w30, Napa Gold 1516, Magnefine trans filter
2009 BMW 328i (34k) - Castrol Edge Euro 0w40, MANN HU816X
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