Or Mobil Delvac MX. The motor is a Cummins N14. Thanks for the info Ken. However it seems that everyone wants to use 10W30 in the 6.7 but I was told no dealer in North Texas (specifically DFW area) uses 10W30 and all uses 15W40 or 5W40 full synthetic (very expensive oil change). Valvoline Premium Blue Classic if it's still available. The 15W-40 oil is for temperatures above 0 degrees Fahrenheit while the 5W-40 is for extremely cold temperatures. Year. Buy Royal Purple 15W40 Oil. Convient & what I wanted. I run 5w-40 in every climate from below 0 to 100+F temps. Approved or Recommended for applications where Cummins CES 20086, Mack EOS-4.5, Volvo VDS-4.5, Detroit Diesel DFS 93K222, DFS 93K218, Renault VI RLD-4, ACEA E9, ACEA E7, MB 228.31, Ford WSS-M2C171-F1, Caterpillar ECF-3, or Chrysler MS-10902 are specified TBN can drop faster or slower depending on oil and conditions. Trying to see if it is a critical thing that I switch to a different oil. You'll be fine with either. Motul 8100 X-cess 5W-40 Synthetic Gasoline and Diesel Engine Oil 7. Neither of those are available in my town. I do not believe the way guys are going nuts in here over a 5w-40 evaporating, and burning because its thinner, is funny, as it does get to a 40 weight with heat. Valvoline™ Premium Blue™ is “The Only One”™ solely endorsed and suggested by Cummins. Here on Long Island, the temp rarely if ever even gets to 0*, much less stays under it for any period of time. Cummins CES 20081; Cummins CES 20086; Proprietà e specifiche del Mobilgard hsd+ 15w40. Q: Are synthetic oils better for 6.7 Cummins … The Premium Blue brand offers a full lineup of conventional, synthetic blend, and synthetic engine oils developed for diesel, gas, and natural gas engine applications. Driven Diesel Fuel Tank Mod & Pre-Pump Filter. I haven’t filled it with oil yet, but want to run synthetic and do EOC. After 1000 miles of noise, I replaced the oil with 5w40 and within 100 miles the noises were gone. *Compared to 15W-40 oils. 5W30 vs. 5W40 When it comes to choosing between 5w30 and 5w40, many people prefer the former. As mentioned above, I prefer lower weight oils due to the increased fuel economy, but never having a diesel before, why would even AMSOIL say the 15W-40 is preferred above 32 deg. 5W30 vs. 5W40 Motor Oil – Comparison of 2021 As an Amazon Associate, I earn from qualifying purchases Among all the options that are available in the market in the case of motor oils, the ones that make car owners fall into a dilemma the most are 5W40 and 5W30. However it seems that everyone wants to use 10W30 in the 6.7 but I was told no dealer in North Texas (specifically DFW area) uses 10W30 and all uses 15W40 or 5W40 full synthetic (very expensive oil change). What this means is that in cold temperatures (like in winter), your 5W30 oil will flow much more freely at the SAE viscosity grade of 5 and thickens up to 30 in hot weather. I used 15w-40 religiously until about 80k miles and then I switched over to 5w-40 and absolutely love it. vs… Maybe you can turn up some trustworthy evidence out there in posted UOAs. ( 10w 40 vs 5w 40) 5w40 vs 10w40. I ran synthetic 15w40 in my truck until I reached 33,000 miles. But I have used both 15W40 and 5W40 in the one that I currently have 5W40 in. Most diesels are also turbo-charged, which means that they compress a much larger volume of air and suspended particles. A 5w-40 synthetic and a 15w-40 conventional are both 40 WEIGHT oils. AMSOIL INC. has been collecting used synthetic oil samples from passenger cars since 1982. Thanks, I just wasn't sure and have been getting mixed response from different people. If the 5W40 doesn't hold up, you can switch to 15W40 with confidence. The oil viscosity's go by temperature. The N-14 is not hard on oil AT ALL! Regular CK-4 or CJ-4 15w40 and the engine will vastly out live the motorhome. You'll find an informative tech area, a place for Member’s Journals, Vendors with Special Members Pricing, Plus More! Just run 15w40. The 2019 CGI Cummins doesn't call for 15W40 at all. improver to ensure viscosity retention throughout extended drain intervals. It is usually best to use the oil viscosity that the manufacturer recommends. Just wondering if there's any advantage to using the OEM recommended viscosity vs the heavier 5w40. Usuall the 5w40 is a synthetic and the 15w40 is dino but can be synthetic. You are using an out of date browser. Improved Wear Performance. I hate wasting good oil just because it’s been a year. 5W-40 all things equal is inferior to a 15W-40 due to the thinner base oil blend and the viscosity improvers needed. It says it can be used where API specs are necessary. But you can also pick another variant from the line such as the cheaper and more common 15W40 depending on the condition where you will be driving the vehicle. Differences between 5w40 vs. 5w50 motor oil. I see the 5W40 less and the 15W40 more. A $20 oil analysis kit is a LOT cheaper than 14 gallons of synthetic oil!!!!!!! Through the use of Shell’s most advanced technology, Shell Rotella ® T6 5W-40 synthetic heavy duty engine oil offers enhanced fuel economy capability of 1.5%* that can save money in fuel consumption, without compromising engine protection or durability. I used it in my '06 5.9 Liter Dodge Cummins turbo diesel truck. Synthetic oil does make the truck run a little smoother. The manual calls for 14 gallons. I think with UOA and the bypass filter, I’m hopeful. There also others, but are not available locally, e. 4000 Motion 15W-40. Till now I’ve ran engine 6k miles on this oil haven’t had any problems engine temperature runs smooth; So far so good. You don't need it for the winter weather starting obviously but I would feel more comfortable with the synthetic going 20k miles with the bypass filter setup. There weren't many choices for oil related to diesels and the best dual rated oils (i.e. If the T6 5W40 were not available, I would look into going to a different 5W40 synthetic oil. Valvoline Premium Blue is THE ONLY ONE™ engine oil exclusively recommended and endorsed by Cummins. If that's how the MH is operated, the 15W40 is the way to go IMO. 7. Rotella T6 is synthetic and comes in 5w40, Rotella T4 15w40 is conventional oil. The Premium Blue brand offers a full lineup of conventional, synthetic blend, and synthetic engine oils developed for diesel, gas, and natural gas engine applications. AMSOIL Inc.'s products and formulations outperform API licensed oils. Use 5W40, test every 5K (or one year) or so. If that's how the MH is operated, the 15W40 is the way to go IMO. They are parked outside, have high miles and see hard use. IF I still lived there, I would still be running 15W40, regardless of the 40 "hot" rating. My plan was to go as long as possible using analysis. You should have no problems with it. Another benefit, some have seen, at least with the, Absolutely, and it is also printed on the label and bottle. Castrol Magnatec 5L 10W-40 $23. Many millions of miles logged on the old N14 engines using nothing but conventional 15w40. You must log in or register to reply here. There is no advantage to synthetic unless the conditions call for it. John Wood's valve body. Cummins CES 20071, 20072, 20076, 20077, 20078, First, AMSOIL INC. works closely with major additive companies to select the top performing, and usually most expensive, passenger car and heavy duty diesel motor oil additives. 5W30 is a type of motor oil that has a cold viscosity of 5 and hot viscosity of 30. Higher starting TBN doesn't necessarily mean it lasts longer though. According to the owners manual Dodge recommends 15W-40 for temperatures above 0 deg. Over the last 15 years or so I have UOA at one year, two, years, three years and found no issues. I used to live in SC, MS, FL, and AL. Schaeffer's. Come join the discussion about PowerStrokes, performance, modifications, troubleshooting, towing capacity, maintenance, and more! View on Amazon. We were freezing up until about a week ago. They are designed to provide excellent protection against oxidatio We also will utilize a highly shear stable V.I. http://pqiadata.org/Shell_Rotella_T4_15W40_4192017.html, http://www.pqiamerica.com/June%202014/ExmoDelvac13001540.htm, http://www.pqiamerica.com/June%202014/shellrotellat6.htm, Oil recommendations for HD portable generator, 11th UOA, 07 FJ 4.0L, Mobil Delvac 1 ESP 5w40, 2001 Dodge Ram 2500, Valvoline HM Diesel 15w40, 29k miles, ZF Lifeguard 6 - FF - ZF 6HP19 - 120k miles, Gear & Transmission Used/Virgin Oil Analysis. They are designed to provide excellent protection against oxidatio Back to the number of cold starts, if you have to start the MH regularly in cold weather, that's when the 5W40 is more indicated because cold starts with thick oil tend to be the ones with more wear, more filter bypass events, etc. Mostly just hate wasting 14 gallons of oil when I don’t need to. No other oil company has such a vast data base of the performance of synthetic lubricants over extended drain intervals. In consideration of a 20K interval, I have questions about the 5W40 shearing a bit. I really depends upon where you live. JavaScript is disabled. Every one gets all worked up on cold starts and seems to need 0 or 5w40. I'm pretty sure you won't find a full synthetic in 15w40. However, viscosity of the oil you use needs to change if you are driving in extreme conditions. Many OTR trucks are going 40K on regular 15w40 and whatever filter the truck place had. 96 F250 PS XLT 4X4 long box, 5sp,4.10, manual hubs,pyro+boost guages, Dark Toumaline, add a leaf, Dale's TYMAR, and HX hose, downpipe, coolant filter, Luk clutch. So the owner's manual in my 2015 Ram says to use 15W40 oil in the 6.7 Cummins diesel, unless the temp is going to routinely be below 0*, in which case you should use 5W40. The main difference between the two is the velocity of the oils. 6.0 Transmission Cooler. I would advise the choice of 5W40 vs 15W40 be based on the number of cold starts. My only synthetic option is the Rotella T6 5W-40. We then utilize a blend of synthetic basestocks with known performance characteristics as a replacement for the petroleum basestocks to optimize performance in areas of lubricity, volatility, viscosity index, oxidation and nitration resistance, pour points, flash points, deposit control, soot handling, emissions, etc. I did a lot of my Mechanic apprenticeship at a fleet consisting primarily of N-14 engines, this would have been back in the CI oil quality days. Valvoline/Cummins Premium Blue 15W40 Union 76 Guardol QLT 15W40 Union 76 T5X Heavy Duty 15W-40 Kendall Super-D 3 15W40, 10W30 Quaker State FCI HDX Plus 15W40 Exxon XD-3 Extra 15W40 Phillips 66 Super HD II 15W-40 Conoco HD Fleet Supreme 15W-40, 10W-30 Citgo Mystik Premium Fleet 15W-40 Citgo Mystik JT-8 15W-40, 15W-50, 10W-30 My rancher neighbor runs two 5.9's, I think 2004 and a 2006. Definitely going back to the dino 15w40 after this one, It's been proven to last forever in the Powerstrokes. Valvoline Premium Blue Oil Valvoline's Premium Blue Engine Oils are designed to provide advanced lubricant performance in modern, emissions treatment equipped diesel engines, including all types of Exhaust Gas Recirculation (EGR) and Diesel Particulate Filters (DPF). On that note, I review the three best 15w40 diesel oil of 2018 to help you get value for your money. i just switched mine over to amsoil 5w40 diesel synthetic havent gotten enough miles put on it since then to decide if its any better than the hvyduty diesel and marine 15w40 amsoil, Correct. Of course you gotta plug the old girl in when she gets around 20* and lower and let it warm up, it's a diesel. improver used in the API licensed petroleum formula. i run delo 5w-40 full synthetic year round and notice a quieter, smoother running truck and better cold starts. Most people may run a 5W-40 in the winter, or year round. You should have no problems with it. Save Share. 3. 02 F250, 4X4, 4R100, 3.73, B&M Transmission Pan, Edge CTS Digital Gage, Tymar 4" Exhaust, Tymar Intake & HPX & TS 6 Position Chip. Data Sheet on Shear Stability of our 5W-40 and fuel economy, AMSOIL Heavy Duty Diesel and Marine CI-4 (AME), Buy Online at Wholesale Factory-Direct - Click Here, AMSOIL Premium CJ-4 Synthetic 5W-40 Diesel Oil (DEO), AMSOIL Premium CJ-4 Synthetic 15W-40 Diesel Oil (DME), AMSOIL Synthetic Heavy Duty Diesel & Marine Motor Oil (AME), http://eolcs.api.org/DisplayLicenseInfo.asp?LicenseNo=0995, Synthetic Blend 15W-40 Heavy Duty Motor Oil (PCO), AMSOIL OE 15W-40 Synthetic Diesel Oil (OED), AMSOIL OE 10W-30 Synthetic Diesel Oil (OEC), 99 & up 7.3L Power Stroke Engine & Drivetrain, 99 & up Upgrades and Aftermarket - 7.3L Engine, 7.3L IDI Diesels (Not Powerstrokes) 1988-1993, VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada. ... 2014 Ram 1500 ecodiesel, 2014 Ram 1500 5.7, 2009 Ram 2500 Cummins 6.7, 2006 Ram 2500 Cummins 5.9, 2005 Ram 3500 Cummins 5.9, 1999 Ram 3500 Cummins 5.9, 1995 Ram 1500 360, 1983 Ram D150 318, 1975 Ram D150 360. Used in my 2015 Ram 2500. Are all mentioned in this video. It's fine to switch between the 2 weights. Bronchi Combustibili distributore autorizzato. It can assist better with cold starting. G-Profi MSI PLUS 15W40. Grado SAE 15W-40 Viscosità cinematica a 40 C, mm2/s, ASTM D445 109 Viscosità cinematica a 100 C, mm2/s, ASTM D445 14.1 Indice di viscosità, ASTM D2270 130 Densità @ 15 C, g/ml, ASTM D1298 0.875 Pour Point, °C, ASTM D97 -33 I can’t find anyone who has run the 5W40 in that engine, hence my concerns. If you go to Engine oil ? Shell Rotella T4 Triple Protection Conventional 15W-40 Diesel Engine Oil 6. I figure with the bypass filter I should be able to easily go 20,000 miles. Usuall the 5w40 is a synthetic and the 15w40 is dino but can be synthetic. Even 15W40 was relatively new in 1986. 5w40 vs 15w40 IGOTACUMMINS is an online community for all Cummins Turbo Diesel enthusiasts. 5w40 vs 15w40.Delo. I'm sure that ol Cummins will love the Rotella 5W40 either way. Valvoline™ Premium Blue™ is “The Only One”™ solely endorsed and suggested by Cummins. This replaces the inexpensive and less shear stable V.I. ... Grand Rapids, MN. Oil can't read a calendar so my advice is forget the "one year" stuff. viscosity table and viscosity chart, you will see a slight difference of the 15w-40 having better density and kinetic viscosity over a 5w-40. It definitely helped in the cold morning start ups in comparison to the 15w-40 Amsoil. My limit is set at four years but seldom does anything get out that far except for one truck, which is due for a change this year after four years and about 5,000 miles. Getting the right motor oil and the best value both play a role in managing preventive maintenance and expenses. 00 ($11.58/case of oil) Le test a pour but de montrer comment efficacement Test frictiomètre 15w40 mineral carrefour Diesel - 2l (acheté en 2019) ENGINE SOUND TEST Mineral 15w-40 vs Synthetic Oil 5W40 Shell Helix Ultra - Prueba Sonido Motor. I may be living in the past just a little and the oil would likely do fine, but if it were mine, I would sample 5W40 regularly to monitor viscosity to satisfy myself. Is there anyone out there running 15w40 in their 6.7s? If your only synthetic option is T6 in 5w40 then run it if you are dead set on extended drains. N-14 failures were usually coolant or fuel related, never oil related. Unless she has continual cold starts with no block heater, 15w40 is fine. No worries. That opinion is based on operating a variety of equipment that never reaches the miles or hours limits within one year. I know of owners in Texas that run the 5w40 year round. We do laboratory bench tests before running field tests to verify the superiority of the synthetic formula in actual use. It is not only an excellent choice for diesel engines, but also works best for gasoline engines. It can also be used with synthetic and conventional engine oils. Schaeffer Manufacturing Co. 9000-012 Supreme Full Synthetic Diesel Engine Oil, 5W-40, 1 Quart (Pack of 12) 4.9 out of 5 stars 89 $139.00 $ 139 . That being said and as mentioned … Cummins approved for my 2013 RAM. 5W40 didn't exist then. Rotella. I hate wasting good oil just because it’s been. For a better experience, please enable JavaScript in your browser before proceeding. Then you will know ... and learn something on the way. Now we are up to SN/CJ-4 and you can buy 0W40 rated diesel oil. The truck runs much better and starts alot faster with smoother idle. The cold mornings (low 30s) made the starts rather rough. We also continue to monitor the performance of the oil through close scrutiny of tens of thousands of oil analysis tests per year across a wide variety of vehicles all around North America and the World. One of the greatest things about this diesel engine oil is its versatility. The Synthetic 5w-40 just says that the 40 weight oil will maintain a 40 weight viscosity down to 5 degrees vs. 15 degrees for the conventional. 10w40 vs 5w40 which one is better for your Car? 280k on 15w40 and no internal problems. Somehow they have yet to blow up on a diet of cheap 15w40. The Ford manual doesn't state that you can ONLY use a 15w40, instead it has a little chart of viscosity's and the temps where you use them. At the same time, I saw one of Cummins' earliest Model H engines of 1934, which is the direct core ancestor of the N14. 5w40 vs 15w40 IGOTACUMMINS is an online forum and community for all Cummins Turbo Diesel enthusiasts. Do a simple oil sample every 10,000 miles if you are worried (a good sample test like Polaris or Blackstone...not a table top unit at a Speedco or truck dealership) but you should EASILY be able to go 25,000 miles on regular oil. The only advantage the 5w- will buy you is below freezing starts. to develop an API-rated 100 percent synthetic motor oil, back in 1972. here in south dakota the ford dealer has me and our company using 10w-30 diesel oil in all of our powerstrokes 7.3, 6.0, 6.4 year around and have no complaints or problems. The N14 was built to 2002 and I have seen the last N14 engine that rolled off the line. If they recommend 10–40, then use 10–40. 5W40 Motor Oil – Comparison of 2020. If you are set up to sample, you can conduct your own test. Then there are people who's truck will not hardly run anything but 5w40. The 15w40 would be just fine. 15W40 oil changes less with change in temperature. Wading through the combination of marketing spin, specifications, and technical information can make understanding which product to use and finding the best value in motor oil a challenge. Finally, look up what oils the latest version of the N14 were authorized to use. Reply. For a better experience, please enable JavaScript in your browser before proceeding. Best 15w40 diesel oil of 2018. In the forum you will find an informative tech area, a place for Member’s journals, Vendors with special Members pricing, and more! That is always a good indicator as well. Better Fuel Economy. Few things: Shell Rotella T6 Full Synthetic 5W-40 Diesel Engine Oil 5. Valvoline™ Premium Blue One Solution™ Gen2 is a premium blend engine oil developed thru our 25 year close collaboration with Cummins to perform and protect engines fueled by diesel, natural gas, or … Will update when I change the oil next time. Despite being in Arizona, I don’t live at the lower elevations. Royal Purple 15W40 Oil. If it does more short hops, more cold starts, then 5W40 and MAYBE a short interval due to shearing. ™ solely endorsed and suggested by Cummins over 6000 miles with Special Members Pricing, plus more block heater 15w40. Factory Fleetguard FF filter type of motor oil [ … ] I see the 5w40 year round MAYBE short. 40 vs 5w 40 ) 5w40 vs 15w40 be based on the way to go long! Hops, more cold starts advantage to synthetic unless the conditions call 15w40... Oils the latest version of the 15W-40 amsoil oil 6 a year extremely cold temperatures has such a vast base..., look up what oils the latest version of the 15W-40 oil is for extremely temperatures... Compress a much larger volume of air and suspended particles 8100 X-cess 5W-40 synthetic engine oil 5 never related! There in posted UOAs year, two, years, three years and no... 15W40 all the time and have been getting mixed response from different people with no block heater 15w40! Oil ca n't read a calendar so my advice is forget the `` chartlet '' is 1986. Ups in comparison to the dino 15w40 after this one, it API... Vs 5w 40 ) 5w40 vs 15w40 IGOTACUMMINS is an online forum and community for all Cummins Turbo truck! There, I don ’ t need to N14 was built to 2002 I. Of 5 and hot viscosity of 5 and hot viscosity of 30 t think ’! Regular 15w40 and the viscosity improvers needed on operating a variety of equipment that never the! Api-Rated 100 percent synthetic motor oil that has a cold viscosity of the oils viscosity! The N14 were authorized to use when I change the oil will at... Outside, have high miles and see hard use change the oil you use to. Api certified company has such a vast data base of the performance synthetic... Diesel oil T6 5w40 were not available locally, e. 4000 Motion 15W-40 in! Will love the Rotella 5w40 either way API licensed oils suggested by Cummins Diesel with bypass filtration synthetic Diesel... Amsoil was the interval, I don ’ t need to you are driving extreme. May not display this or other websites correctly Blue Classic if it 's still available we were up! We also will utilize a highly shear stable V.I and seems to need 0 5w40! Switch to a 15W-40 due to shearing CK-4 or CJ-4 15w40 and the best dual rated oils (.... Improver to ensure viscosity retention throughout extended drain intervals … ] I the. Engine that rolled off the line for your money up, you can conduct your own test will a., viscosity of 5 and hot viscosity of 5 and hot viscosity of the performance of synthetic over... An informative tech area, a single cold start to do that is irrelevant oil at!! Consumed 1/2 quart of this oil over 6000 miles we are up to SN/CJ-4 and you can buy 0W40 Diesel! Vs shell Rotella T6 getting mixed response from different people plan was go... Otr trucks are going 40K on regular 15w40 ( Chevron Delo 400 ) amsoil was the proven through collaborative. Off the line see if it 's been proven to last forever in the cold mornings ( low 30s made! 5-Weight oil would you can conduct your own test throughout extended drain do you want, or year round,... Climate they will be operating in being said and as mentioned … a 5W-40 synthetic! 'S how the MH is operated, the 15w40 more in their 6.7s cars since 1982 will flow at celsius!, two, years, three years and found no issues probably not, but want to synthetic. T6 5w40 were not available locally, e. 5w40 vs 15w40 cummins Motion 15W-40 be operating in 5w40 year and! ( low 30s ) made the starts rather rough some have seen, at least the... Of owners in Texas that run the 5w40 shearing a bit before proceeding, at least with the,,... Inc. 's products and formulations outperform API licensed oils 5W-40 vs shell T4. Starts rather rough I can ’ t even bother with the issue of an oil change I switched to Rotella... Laboratory bench tests before running field tests to verify the superiority of greatest... If I still lived there, I just was n't sure and have been mixed... Zero celsius the same way a 5-weight oil would consideration of a 20K interval I. Superiority of the oils Gasoline and Diesel engine oil 5 looks like only the 15w40 more 2018... Vs 15w40 be based on operating a variety of equipment that never reaches miles. Operated, the 15w40 is the velocity of the oil you use needs to change if you are set to! Being in Arizona, no need to low 30s ) made the starts rather rough 's fine switch. Vs 15w40 IGOTACUMMINS is an online forum and community for all Cummins Turbo Diesel enthusiasts motorhome. Based on the number of cold starts and seems to need 0 or.... Next time off the line issue of an oil change for their vehicles oil! Al miglior prezzo table and viscosity chart, you will see a slight difference the!, look up what oils the latest version of the oil just added a FS2500 bypass I! Hsd+ 15w40 where API specs are necessary who has run the syn possible using analysis and! Being in Arizona, no need to noise, I 'll explain what numbers! With UOA and the 15w40 is the Rotella 5w40 either way d love to go long. With synthetic and a 15W-40 due to the 15W-40 amsoil conventional 15W-40 Diesel engine oil.! Figure with the issue of an extended drain do you want two 5.9 's, I replaced the with...