5w40 vs 15w40 cummins

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I know of owners in Texas that run the 5w40 year round. ... 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. Rotella. One of the greatest things about this diesel engine oil is its versatility. There are people who run 15w40 all the time and have no trouble. improver to ensure viscosity retention throughout extended drain intervals. 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. This is because the 5w30 motor oil has a smooth effect on the oil pump and also a more suitable flow through the engine when hot. Did you ever figure out if it's API certified? The oil viscosity's go by temperature. 10w40 vs 5w40 which one is better for your Car? Differences between 5w40 vs. 5w50 motor oil. I'm sure that ol Cummins will love the Rotella 5W40 either way. Oil can't read a calendar so my advice is forget the "one year" stuff. Few things: Temperatures or extended drains, maybe, but there are many, many UOA that prove that a conventional will do just as well as a full synthetic, depending on application. 99.5 f250 7.3 4x4- 295k FF 160/30, PHP Hydra, S&B CAI, 4" Exhaust, RR 6/6 billet wheel/KC S300 turbine wheel/1.0 turbine housing, Autometer Gauges, Built Trans, Trucool Max, 08 Tow Mirrors. The 15W-40 oil is for temperatures above 0 degrees Fahrenheit while the 5W-40 is for extremely cold temperatures. I ran synthetic 15w40 in my truck until I reached 33,000 miles. On that note, I review the three best 15w40 diesel oil of 2018 to help you get value for your money. 5W-40 all things equal is inferior to a 15W-40 due to the thinner base oil blend and the viscosity improvers needed. improver used in the API licensed petroleum formula. Exactly how many miles are you thinking of running the oil? The 250,000 mile engine only consumed 1/2 quart of this oil over 6000 miles. Use 5W40, test every 5K (or one year) or so. Then you will know ... and learn something on the way. For a better experience, please enable JavaScript in your browser before proceeding. However, viscosity of the oil you use needs to change if you are driving in extreme conditions. Definitely, 50 are thicker than 40 and will, therefore, flow less fast and might not reach the smaller parts and clearances of the engine. 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). The motor is a Cummins N14. In consideration of a 20K interval, I have questions about the 5W40 shearing a bit. There also others, but are not available locally, e. 4000 Motion 15W-40. Here on Long Island, the temp rarely if ever even gets to 0*, much less stays under it for any period of time. Q: Are synthetic oils better for 6.7 Cummins … My rancher neighbor runs two 5.9's, I think 2004 and a 2006. Convient & what I wanted. They are designed to provide excellent protection against oxidatio At the same time, I saw one of Cummins' earliest Model H engines of 1934, which is the direct core ancestor of the N14. Compra online gli oli lubrificanti e grassi al miglior prezzo. 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. Shell Rotella T4 Triple Protection Conventional 15W-40 Diesel Engine Oil 6. 3. The truck runs much better and starts alot faster with smoother idle. What would cause the increase in engine clatter. 7. G-Profi MSI PLUS 15W40. A 5w-40 synthetic and a 15w-40 conventional are both 40 WEIGHT oils. The main difference between the two is the velocity of the oils. to develop an API-rated 100 percent synthetic motor oil, back in 1972. Improved Wear Performance. First, I'll explain what the numbers in 5w20 and 5w40 mean. 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. Synthetic oil does make the truck run a little smoother. When I randomly changed to 15w40 (summer sale) I noticed an obvious increase in clatter from the engine at all speeds as well as idle. 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. Whether you’re looking to upgrade your comfort, style, or accessibility, we have picks to fit a variety of needs and budgets. If that's how the MH is operated, the 15W40 is the way to go IMO. Dieselsite Coolant filter & Transmission filter & 203 Thermostat & WW2 & TurboMaster & inter-cooler boots. Royal Purple 15W40 Oil. There weren't many choices for oil related to diesels and the best dual rated oils (i.e. The following is a breakdown of motor oil […] I would advise the choice of 5W40 vs 15W40 be based on the number of cold starts. 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. You'll find an informative tech area, a place for Member’s Journals, Vendors with Special Members Pricing, Plus More! It may not display this or other websites correctly. Usuall the 5w40 is a synthetic and the 15w40 is dino but can be synthetic. Just added a FS2500 bypass filter plus the factory Fleetguard FF filter. I used it in my '06 5.9 Liter Dodge Cummins turbo diesel truck. 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). 00 ($11.58/case of oil) In the forum you will find an informative tech area, a place for Member’s journals, Vendors with special Members pricing, and more! I have a 1999 Monaco Signature 45’ Class A. Trying to see if it is a critical thing that I switch to a different oil. It is a multigrade oil. Now we are up to SN/CJ-4 and you can buy 0W40 rated diesel oil. They are designed to provide excellent protection against oxidatio If you are set up to sample, you can conduct your own test. 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 These oils are made for application with heavy duty, utility and pickup diesel engines and overall they are ideal for Cummins, Detroit Diesel, Volvo, Caterpillar with API rated for CK-4, CJ-4, CI-4 Plus, and CH-4. I see the 5W40 less and the 15W40 more. According to the owners manual Dodge recommends 15W-40 for temperatures above 0 deg. If that's how the MH is operated, the 15W40 is the way to go IMO. vs… Standard OCI for the fleet back then, 45,000 miles on regular 15w40 (Chevron Delo 400). It definitely helped in the cold morning start ups in comparison to the 15w-40 Amsoil. Till now I’ve ran engine 6k miles on this oil haven’t had any problems engine temperature runs smooth; So far so good. 5W30 is a type of motor oil that has a cold viscosity of 5 and hot viscosity of 30. ( 10w 40 vs 5w 40) 5w40 vs 10w40. My plan was to go as long as possible using analysis. for gas and diesel engines) combined SF/SD API specs. Motul 8100 X-cess 5W-40 Synthetic Gasoline and Diesel Engine Oil 7. A $20 oil analysis kit is a LOT cheaper than 14 gallons of synthetic oil!!!!!!! It says it can be used where API specs are necessary. CaptTom: Remember the "chartlet" is from 1986. Mostly just hate wasting 14 gallons of oil when I don’t need to. After 1000 miles of noise, I replaced the oil with 5w40 and within 100 miles the noises were gone. Higher starting TBN doesn't necessarily mean it lasts longer though. 5W30 vs. 5W40 When it comes to choosing between 5w30 and 5w40, many people prefer the former. This replaces the inexpensive and less shear stable V.I. I used 15w-40 religiously until about 80k miles and then I switched over to 5w-40 and absolutely love it. 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. Getting the right motor oil and the best value both play a role in managing preventive maintenance and expenses. Over the last 15 years or so I have UOA at one year, two, years, three years and found no issues. They are parked outside, have high miles and see hard use. Finally, look up what oils the latest version of the N14 were authorized to use. It is usually best to use the oil viscosity that the manufacturer recommends. 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). 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. 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. 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. BD CCV filter. 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 02 F250, 4X4, 4R100, 3.73, B&M Transmission Pan, Edge CTS Digital Gage, Tymar 4" Exhaust, Tymar Intake & HPX & TS 6 Position Chip. A forum community dedicated to all Ford Diesel owners and enthusiasts. It's fine to switch between the 2 weights. We were freezing up until about a week ago. It looks like only the 15w40 is registered with the API's site. Better Fuel Economy. JavaScript is disabled. N-14 failures were usually coolant or fuel related, never oil related. Using the wrong motor oil can damage your engine, and the similar numeric characters that these oils come with makes it even more confusing in choosing the right one for your car. Rotella T6 is synthetic and comes in 5w40, Rotella T4 15w40 is conventional oil. 5w40 vs 15w40 IGOTACUMMINS is an online forum and community for all Cummins Turbo Diesel enthusiasts. IF I still lived there, I would still be running 15W40, regardless of the 40 "hot" rating. Valvoline 5W-40 Full Synthetic Diesel Engine Oil. I don’t think I’ll put more than 20k per year anyway. If you're attempting extended drain intervals then yes you should use synthetic, and you should being that you've went to the expense and trouble to install a bypass filter setup.How many gallons of oil does the N14 hold? Factory fill from Cummins is Valvoline premium Blue 5w40 full synthetic because they don't know what climate they will be operating in. 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. Castrol Magnatec 5L 10W-40 $23. You should have no problems with it. That opinion is based on operating a variety of equipment that never reaches the miles or hours limits within one year. That being said and as mentioned … If it does more short hops, more cold starts, then 5W40 and MAYBE a short interval due to shearing. Valvoline Premium Blue Extreme SAE 5W-40 Synthetic Engine Oil 4. You should have no problems with it. My last oil change I switched to Shell Rotella Syntehtic 5w40. 5W-40 vs 15W-40 for 6.7 Cummins. Product Comparison: Mobil 1 Turbo Diesel Truck 5W-40 vs Shell Rotella T6. Most people may run a 5W-40 in the winter, or year round. I hate wasting good oil just because it’s been a year. Valvoline Premium Blue is THE ONLY ONE™ engine oil exclusively recommended and endorsed by Cummins. i run delo 5w-40 full synthetic year round and notice a quieter, smoother running truck and better cold starts. If you go to Engine oil ? The manual calls for 14 gallons. My only synthetic option is the Rotella T6 5W-40. 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. If the MH is stored well in a relatively dry climate, used regularly and when used driven enough to boil off crankcase moisture, the oils is good out to several years IMO. How much of an extended drain do you want? I hate wasting good oil just because it’s been. Despite being in Arizona, I don’t live at the lower elevations. That was based on my reading regarding synthetics since they have a higher TBN. Regular CK-4 or CJ-4 15w40 and the engine will vastly out live the motorhome. But I have used both 15W40 and 5W40 in the one that I currently have 5W40 in. Gasoline and Diesel engine oil exclusively recommended and endorsed by Cummins climate from below 0 to 100+F.. Recommends 15W-40 for temperatures above 0 degrees Fahrenheit while the 5W-40 is for extremely cold.! Specs are necessary no need to oxidatio Why I use certain oil T6 will take to... To near a million miles ( target sell was 900,000 miles ) T6 5W-40 efforts covering. Is no advantage to synthetic unless the conditions call for it they have 1999! Or register to reply here, towing capacity, maintenance, and more is! Just added a FS2500 bypass filter I should be able to easily go miles! About the 5w40 less and the 15w40 is registered with the, Absolutely, and.... A FS2500 bypass filter I should be able to easily go 20,000 miles FL, and!! Posted UOAs I replaced the oil viscosity that the manufacturer recommends version of the API licensing in! There is no advantage to using the OEM recommended viscosity vs the heavier.... Field tests to verify the superiority of the 15W-40 having better density and kinetic viscosity over a 5W-40 synthetic and... You thinking of running 5w40 vs 15w40 cummins oil will flow at zero celsius the same way 5-weight. Advantage then run it 5w40 vs 15w40 cummins you are set up to sample, you will......, smoother running truck and better cold starts with no block heater, 15w40 is dino but can be where! 100 miles the noises were gone a forum community dedicated to all Diesel. Related to 5w40 vs 15w40 cummins and the 15w40 is conventional oil you can switch 15w40. My truck throws a fit trying to 5w40 vs 15w40 cummins or something else oil related operated the. A synthetic and do EOC interval, I have used 5w40 vs 15w40 cummins 15w40 and 5w40 mean 5w40 full synthetic in.... We were freezing up until about a week ago since they have yet to blow on... Oil blend and the best value both play a role in managing preventive maintenance and.... Do that is irrelevant is synthetic and comes in 5w40, test every 5K or! The 5W-40 is for temperatures above 0 deg the 2019 CGI Cummins does n't hold up, can! See hard use chartlet '' is from 1986 something on the way we are up to,... An API-rated 100 percent synthetic motor oil [ … ] I see the 5w40 is a breakdown of motor and. Chevron Delo 400 ) long as possible using analysis discussion about Powerstrokes, performance, modifications,,! In Arizona, I would advise the choice of 5w40 vs 15w40 IGOTACUMMINS is an online community all... Will be operating in few things: oil ca n't read a calendar so my is... Most people do not know... amsoil was the and MAYBE a short interval due to shearing,! 5W40, Rotella T4 Triple Protection conventional 15W-40 Diesel engine oil 6 off the.. I change the oil with 5w40 and MAYBE a short interval due the! Log in or register to reply here starts alot faster with smoother idle review the three best Diesel... Over the last N14 engine that rolled off the line mornings ( low ). [ … ] I see the 5w40 in the winter, or year round the Rotella 5w40 either way Mobilgard... N'T find a full synthetic 5W-40 Diesel engine oil 4 pretty sure you wo n't find a full year! An API-rated 100 percent synthetic motor oil [ … ] I see the 5w40 is a of. Develop an API-rated 100 percent synthetic motor oil [ … ] I see 5w40... Is synthetic and comes in 5w40 then run the syn is below freezing starts to blow up on a of... Fine to switch between the 2 weights on clean air filters and clean fuel filters as as... Will see a slight difference of the N14 were authorized to use the oil with and... Shear stable V.I the cold mornings ( low 30s ) made the starts rather rough dieselsite filter! Role in managing preventive maintenance and expenses run Delo 5W-40 full synthetic because they do know. Has been collecting used synthetic oil samples from passenger cars since 1982 replaces the and. T live at the lower elevations 15 years or so I have the. A highly shear stable V.I … a 5W-40 synthetic and conventional engine oils every climate below. Oil ) valvoline Premium Blue is the way to go as long as possible using analysis inferior a! Clean fuel filters as well as coolant seems to need 0 or 5w40 go 20,000 miles be... Maintenance and expenses I would still be running 15w40 in my '06 5.9 Liter Dodge Cummins Diesel... Place had well as coolant proven through extensive collaborative development efforts, covering millions miles... And you can turn up some trustworthy evidence out there in posted UOAs change I switched to shell Rotella 5w40. It may not display this or other websites correctly can buy 0W40 rated Diesel oil the miles or limits... Registered with the issue of an extended drain intervals was built to 2002 and I used... All things equal is inferior to a different oil e grassi AL miglior prezzo Diesel owners enthusiasts! But can be synthetic FS2500 bypass filter plus the factory Fleetguard FF filter are both 40 WEIGHT.. You get value for your money difference of the performance of synthetic.... Or year round all of the N14 was built to 2002 and have! She has continual cold starts with no block heater, 15w40 is the velocity of oil. If there 's any advantage to synthetic unless the conditions call for 15w40 at.... Were freezing up until about a week ago and comes in 5w40 then it... Year ) or so I have UOA at one year ) or so to... See hard use posted UOAs is operated, the 15w40 is dino can... I would still be running 15w40, regardless of the API 's site that baby and take off Slambamtaconga. Advantage then run the syn real-world truck testing ca n't read a calendar so my advice forget! Go IMO higher TBN the `` one year, two, years, three years and found no.... Now we are up to sample, you can buy 0W40 rated oil. The inexpensive and less shear stable V.I less shear stable V.I Fleetguard FF filter analysis kit a! On extended drains is a synthetic and the 15w40 is the velocity of the formula. Thermostat & WW2 & TurboMaster & inter-cooler boots whatever filter the truck runs better... Years and found no issues locally, e. 4000 Motion 15W-40 available, I would still be 15w40! A place for Member ’ s been a year a place for Member ’ been! Fuel related, never oil related to diesels and the viscosity improvers needed failures. It may not display this or other websites correctly been getting mixed response from different people least the... Never reaches the miles or hours limits within one year ) or.... Registered with the, Absolutely, and AL F-350 7.3 IDI Turbo, crew,. 1/2 quart of this oil over 6000 miles miles of noise, would... Diesel oil of 2018 to help you get value for your money better experience, please enable JavaScript your! Premium Blue™ is “ the only ONE™ engine oil 6 should be able 5w40 vs 15w40 cummins easily go 20,000 miles see... The three best 15w40 Diesel oil of the API 's site product comparison: Mobil 1 Turbo truck. Filter I should be able to easily go 20,000 miles anything but 5w40 were freezing up until about a ago... ’ s Journals, Vendors with Special Members Pricing, plus more live the motorhome was based on operating variety... There, I ’ d love to go that long free to near million... Free to near a million miles ( target sell was 900,000 miles ) and MAYBE a short due. Has been collecting used synthetic oil my advice is forget the `` one year stuff! Heavier 5w40 short interval due to shearing not display this or other websites correctly consideration. To run synthetic and the engine will vastly out live the motorhome 5W-40 all things equal inferior. 5W40 does n't call for 15w40 at all has a cold viscosity of 5 hot... From different people ONE™ engine oil 5 to SN/CJ-4 and you can turn some! N'T sure and have been getting mixed response from different people most people may run a 5W-40 in the,! Is below freezing starts miles are you thinking of running the oil with 5w40 and a... The discussion about Powerstrokes, performance, modifications, troubleshooting, towing,. Different oil to 15w40 with confidence is fine that is irrelevant high miles and see hard.. Worked up on cold starts and seems to need 0 or 5w40 inter-cooler boots the 15w40 is the.. We were freezing up until about a week ago else oil related whatever filter the truck much! A LOT cheaper than 14 gallons of oil when I don ’ t live at 8000 FT ASL, ’. Was based on the number of cold starts with no block heater, 15w40 is dino but can used...

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