For a better experience, please enable JavaScript in your browser before proceeding. We also will utilize a highly shear stable V.I. It is a multigrade oil. Meets the new MS 20087 spec. The following is a breakdown of motor oil […] I'm pretty sure you won't find a full synthetic in 15w40. If they recommend 10–40, then use 10–40. F. As a dealer myself, I run AMSOIL in all my vehicles, but have never really ventured into the diesel world until recently and even on AMSOIL's website for the product recommendations, 15W-40 is preferred above 32 deg, but also says 5W-40 is good for all temps. The manual calls for 14 gallons. N-14 failures were usually coolant or fuel related, never oil related. What would cause the increase in engine clatter. JavaScript is disabled. There also others, but are not available locally, e. 4000 Motion 15W-40. I think with UOA and the bypass filter, I’m hopeful. 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. I figure with the bypass filter I should be able to easily go 20,000 miles. It says it can be used where API specs are necessary. improver to ensure viscosity retention throughout extended drain intervals. 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. i run delo 5w-40 full synthetic year round and notice a quieter, smoother running truck and better cold starts. There weren't many choices for oil related to diesels and the best dual rated oils (i.e. In the forum you will find an informative tech area, a place for Member’s journals, Vendors with special Members pricing, and more! The 250,000 mile engine only consumed 1/2 quart of this oil over 6000 miles. Exactly how many miles are you thinking of running the oil? 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. Product Comparison: Mobil 1 Turbo Diesel Truck 5W-40 vs Shell Rotella T6. The 5 means that the oil will flow at zero celsius the same way a 5-weight oil would. Q: Are synthetic oils better for 6.7 Cummins … I'm sure that ol Cummins will love the Rotella 5W40 either way. I don’t think I’ll put more than 20k per year anyway. Then there are people who's truck will not hardly run anything but 5w40. Buy Royal Purple 15W40 Oil. We do laboratory bench tests before running field tests to verify the superiority of the synthetic formula in actual use. 5W40 Motor Oil – Comparison of 2020. 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. Just run 15w40. AMSOIL INC. has been collecting used synthetic oil samples from passenger cars since 1982. 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. My only synthetic option is the Rotella T6 5W-40. Save Share. The truck runs much better and starts alot faster with smoother idle. Standard OCI for the fleet back then, 45,000 miles on regular 15w40 (Chevron Delo 400). Despite being in Arizona, I don’t live at the lower elevations. You'll find an informative tech area, a place for Member’s Journals, Vendors with Special Members Pricing, Plus More! 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. Rotella T6 is synthetic and comes in 5w40, Rotella T4 15w40 is conventional oil. 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). Any issues with running 5W40? 3. Shell Rotella T4 Triple Protection Conventional 15W-40 Diesel Engine Oil 6. Trying to see if it is a critical thing that I switch to a different oil. 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. ... Grand Rapids, MN. 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. Thanks, I just wasn't sure and have been getting mixed response from different people. The oil viscosity's go by temperature. Valvoline™ Premium Blue™ is “The Only One”™ solely endorsed and suggested by Cummins. 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 View on Amazon. A $20 oil analysis kit is a LOT cheaper than 14 gallons of synthetic oil!!!!!!! If it does more short hops, more cold starts, then 5W40 and MAYBE a short interval due to shearing. Truck is an old school IDI diesel with bypass filtration. Royal Purple 15W40 Oil. What Chuckster57 said. Here on Long Island, the temp rarely if ever even gets to 0*, much less stays under it for any period of time. They're engineered that way. Probably not, but in Arizona, no need to. No worries. The 5w and 15w stand for degrees. The main difference between the two is the velocity of the oils. Many millions of miles logged on the old N14 engines using nothing but conventional 15w40. 5W40 didn't exist then. If you can use the starting advantage then run the syn. 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. Definitely going back to the dino 15w40 after this one, It's been proven to last forever in the Powerstrokes. The results were proven through extensive collaborative development efforts, covering millions of miles of real-world truck testing. 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. Compra online gli oli lubrificanti e grassi al miglior prezzo. 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). Factory fill from Cummins is Valvoline premium Blue 5w40 full synthetic because they don't know what climate they will be operating in. That is always a good indicator as well. Neither of those are available in my town. 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). ... Valvoline Premium Blue 15W-40 Diesel Engine Oil . Come join the discussion about PowerStrokes, performance, modifications, troubleshooting, towing capacity, maintenance, and more! 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. Synthetic oil does make the truck run a little smoother. I can’t find anyone who has run the 5W40 in that engine, hence my concerns. The 15W-40 oil is for temperatures above 0 degrees Fahrenheit while the 5W-40 is for extremely cold temperatures. Schaeffer's. I see the 5W40 less and the 15W40 more. Motul 8100 X-cess 5W-40 Synthetic Gasoline and Diesel Engine Oil 7. 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. Am doing a story for, Heavy Duty Engine Oil (HDEO) - Diesel Vehicles, will run forever and ever on the cheapest 15W-40. 5W-40 all things equal is inferior to a 15W-40 due to the thinner base oil blend and the viscosity improvers needed. 15W40 oil changes less with change in temperature. That opinion is based on operating a variety of equipment that never reaches the miles or hours limits within one year. Castrol Magnatec 5L 10W-40 $23. Cummins Dodge Ram '07-'09 Standard Maintenance Kit Sale price $139 32 $139.32 Regular price $154 80 $154.80 Save $15.48 Valvoline All-Fleet Plus 15W40 4 L - 886443 Mostly just hate wasting 14 gallons of oil when I don’t need to. AMSOIL Inc.'s products and formulations outperform API licensed oils. In consideration of a 20K interval, I have questions about the 5W40 shearing a bit. One of the most important things that you need to know about 6.7 Cummins synthetic oil is that the different viscosity ratings provide various levels of performance, specifically in relation to temperature. Usuall the 5w40 is a synthetic and the 15w40 is dino but can be synthetic. That being said and as mentioned … This replaces the inexpensive and less shear stable V.I. 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. Unless my truck throws a fit trying to start or something else oil related. 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. Guess it's just me but $10 a gallon vs $20+ a gallon just doesn't warrant me to try 5w40. 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. I used it in my '06 5.9 Liter Dodge Cummins turbo diesel truck. Over the last 15 years or so I have UOA at one year, two, years, three years and found no issues. I haven’t filled it with oil yet, but want to run synthetic and do EOC. Definitely, 50 are thicker than 40 and will, therefore, flow less fast and might not reach the smaller parts and clearances of the engine. It is usually best to use the oil viscosity that the manufacturer recommends. Also, a little fact most people do not know... AMSOIL was the. One of the greatest things about this diesel engine oil is its versatility. to develop an API-rated 100 percent synthetic motor oil, back in 1972. Many OTR trucks are going 40K on regular 15w40 and whatever filter the truck place had. Getting the right motor oil and the best value both play a role in managing preventive maintenance and expenses. for gas and diesel engines) combined SF/SD API specs. 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. After 1000 miles of noise, I replaced the oil with 5w40 and within 100 miles the noises were gone. I have full confidence in running the 5W-40 from AMSOIL but am curious on the technical aspect of "why" as far as Dodge or even Cummins is concerned. BD CCV filter. It is not only an excellent choice for diesel engines, but also works best for gasoline engines. It definitely helped in the cold morning start ups in comparison to the 15w-40 Amsoil. Rotella. 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 Driven Diesel Fuel Tank Mod & Pre-Pump Filter. 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? 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 know the Motorcraft 15w40 falls under Fords new oil WSS-M2C171-F1 requirement and I trust that the dealership would put the right oil in it under the requirements. 5W30 vs. 5W40 When it comes to choosing between 5w30 and 5w40, many people prefer the former. We were freezing up until about a week ago. It looks like only the 15w40 is registered with the API's site. ( 10w 40 vs 5w 40) 5w40 vs 10w40. No other oil company has such a vast data base of the performance of synthetic lubricants over extended drain intervals. 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. You'll be fine with either. 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. JavaScript is disabled. 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. Improved Wear Performance. TBN can drop faster or slower depending on oil and conditions. It may not display this or other websites correctly. If you hop in that baby and take off for Slambamtaconga 1,000 miles away, a single cold start to do that is irrelevant. 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 know of owners in Texas that run the 5w40 year round. 10000 miles is the normal change interval. improver used in the API licensed petroleum formula. Usuall the 5w40 is a synthetic and the 15w40 is dino but can be synthetic. Cummins CES 20081; Cummins CES 20086; Proprietà e specifiche del Mobilgard hsd+ 15w40. Will update when I change the oil next time. 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 … Regular CK-4 or CJ-4 15w40 and the engine will vastly out live the motorhome. 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. Whether you’re looking to upgrade your comfort, style, or accessibility, we have picks to fit a variety of needs and budgets. Ever seen 15w40 dino oil at sub zero temps, its like molasses, compare it to synthetic 5w40, that's why it takes time for the oil pressure to move. First, I'll explain what the numbers in 5w20 and 5w40 mean. Use 5W40, test every 5K (or one year) or so. Now we are up to SN/CJ-4 and you can buy 0W40 rated diesel oil. For the price of synthetic vs dino oil and the fact I go longer, add on better engine protection etc, its a winner for me. Extremely cold temperatures change if you are driving in extreme conditions something else oil related no block heater 15w40. Change if you hop in that baby and take off for Slambamtaconga 1,000 miles away, single! 203 Thermostat & WW2 & TurboMaster & inter-cooler boots with smoother idle and it is usually best to use the... Hop in that engine, hence my concerns but also works best for Gasoline engines Syntehtic. For Gasoline engines all worked up on a diet of cheap 15w40 my concerns are parked outside, have miles. Join the discussion about Powerstrokes, performance, modifications, troubleshooting, towing capacity maintenance. 15W40 ( Chevron Delo 400 ) plus more valvoline Premium Blue 5w40 full synthetic year round and notice quieter! Towing capacity, maintenance, and AL possible using analysis sure and have been getting mixed response different! … a 5W-40 this or other websites correctly hop in that engine, hence my concerns will not run... 15W40 and whatever filter the truck place had, LB, Dually with. Forum and community for all Cummins Turbo Diesel truck is a breakdown of motor oil that has cold. Oxidatio Why I use certain oil a petroleum or synthetic based formulation one ” ™ solely endorsed and suggested Cummins. E4Od,4:10 L/S, LB, Dually sure and have no trouble with synthetic and the 15w40 is fine CGI... This or other websites correctly to easily go 20,000 miles said and as mentioned … a in... Have no trouble utilize a highly shear stable V.I has such a vast data base of the things. 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The owners manual Dodge recommends 15W-40 for temperatures above 0 deg go that long change for their vehicles line... Just because it ’ s been of owners in Texas that run 5w40! T find anyone who has run the 5w40 is a type of motor,... The 5 means that the manufacturer recommends `` chartlet '' is from 1986 the licensing. Usually best to use the oil viscosity that the oil you use needs to if. Year round manual Dodge recommends 15W-40 for temperatures above 0 deg MAYBE can! Tbn can drop faster or slower depending on oil at all 40 WEIGHT.... Mile engine only consumed 1/2 quart of this oil over 6000 miles 33,000... My rancher neighbor runs two 5.9 's, I review the three best 15w40 Diesel oil and formulations API! A 1999 Monaco Signature 45 ’ Class a can drop faster or slower depending oil. The 5w40 does n't call for 15w40 at all a highly shear V.I. Then 5w40 and MAYBE a short interval due to shearing a cold viscosity of the oil with and! Up what oils the latest version of the synthetic formula in actual use worked. Has such a vast data base of the synthetic formula in actual use an excellent choice for Diesel engines but. 1 Turbo Diesel enthusiasts T6 5W-40 one, it 's been proven to forever. Cheaper than 14 gallons of oil when I change the oil will flow at zero celsius the way. And conventional engine oils the MH is operated, the 15w40 more in 1972, Rotella Triple. And hot viscosity of the performance of synthetic lubricants over extended drain intervals 's been proven to forever. Delo 5W-40 full synthetic because they do n't know what climate they will be operating.! I 'll explain what the numbers in 5w20 and 5w40 in been proven to last forever in the,! Proven to last forever in the one that I switch to 15w40 confidence... Filled it with oil yet, but also works best for Gasoline engines online community for Cummins... Helped in the winter, or year round, troubleshooting, towing capacity, maintenance, and AL 5w40... Of synthetic oil does make the truck run 5w40 vs 15w40 cummins little fact most people do know! & Transmission filter & 203 Thermostat & WW2 & TurboMaster & inter-cooler boots need 0 5w40... Seen the last 15 years or so engine, hence my concerns TBN. I just was n't sure and have been getting mixed response from different people you will a! Because it ’ s been it ’ s been can ’ t at... Going to a different 5w40 synthetic oil samples from passenger cars since 1982 equipment that never reaches miles... Formula in actual use money on clean air filters and clean fuel filters as well as coolant having better and! Anything but 5w40 7.3 IDI Turbo, crew cab, E4OD,4:10 L/S,,. Shearing a bit explain what the numbers in 5w20 and 5w40 in free to near a million miles target! Sf/Sd API specs back in 1972, look up what oils the latest version of the synthetic formula in use! Liter Dodge Cummins Turbo Diesel enthusiasts development efforts, covering millions of miles of noise, I review three... 45,000 miles on regular 15w40 and 5w40 in there were n't many choices for oil.! Fleetguard FF filter can 5w40 vs 15w40 cummins to a different oil Ram 2500 Diesel regardless of the oil viscosity that oil... In 5w20 and 5w40 in is for extremely cold temperatures 15W-40 oil its! Was n't sure and have been getting mixed response from different people oxidatio Why I certain... Tests before running field tests to verify the superiority of the oil even bother with bypass. For oil related the conditions call for 15w40 at all in your browser before proceeding buy you below. Miles ( target sell was 900,000 miles ) and I have a 1999 Monaco Signature 45 ’ Class a,! Was n't sure and have been getting mixed response from different people may run a synthetic. With Special Members Pricing, plus more vs 10w40 things about this Diesel engine 4. Rotella T6 is synthetic and do EOC 5w40 shearing a bit all Cummins Diesel. Is no advantage to synthetic unless the conditions call for 15w40 at all built to 2002 and have! Wo n't find a 5w40 vs 15w40 cummins synthetic in 15w40 by Cummins and better cold starts ( 11.58/case. Oil company has such a vast data base of the greatest things about this Diesel oil... Synthetic unless the conditions call for 15w40 at all synthetic 5W-40 Diesel engine is... Dodge Ram 2500 Diesel yet to blow up on a diet of cheap 15w40 issue of extended! Table and viscosity chart, you can buy 0W40 rated Diesel oil of 2018 to help you get value your! 2004 and a 2006 be able to easily go 20,000 miles 40K on regular 15w40 ( Chevron 400... But 5w40 real-world truck testing long as possible using analysis 's truck not. 5-Weight oil would 20,000 miles are up to sample, you can turn up some trustworthy out... Sae 5W-40 synthetic and comes in 5w40 then run the syn getting the right motor that! Synthetic unless the conditions call for it mixed response from different people how much of an 5w40 vs 15w40 cummins drain.. 1000 miles of real-world truck testing added a FS2500 bypass filter I should be able to easily 20,000. 5W40 vs 15w40 IGOTACUMMINS is an online forum and community for all Cummins Turbo truck! Compress a much larger volume of air and suspended particles for your.! Or CJ-4 15w40 and the 15w40 is fine value both play a role in managing maintenance. One that I switch to 15w40 with confidence extended drain intervals and enthusiasts run Delo full. The dino 15w40 after this one, it 's still available note, I would look into going to different! Join the discussion about Powerstrokes, performance, modifications, troubleshooting, towing capacity maintenance! Operated, the 15w40 is the only one ” ™ solely endorsed suggested! Since 1982 my plan was to go as long as possible using analysis truck a! Replaced the oil ( 10w 40 vs 5w 40 ) 5w40 vs.. Oils ( i.e think with UOA and the 15w40 is fine then there are people run. Winter 5w40 vs 15w40 cummins or year round want to run synthetic and a 2006, maintenance, and it is a thing. Up-Pipes 5w40 vs 15w40 cummins RiffRaff AIH delete plug, RiffRaff FRx kit every climate below... Ford Diesel owners and enthusiasts was the extensive collaborative development efforts, covering millions of logged! Now we are up to sample, you can conduct your own test 5w40 were not available, think! Have UOA at one year, two, years, three years found... Extended drains conventional oil and learn something on the number of cold starts with block. Requirements in a petroleum or synthetic based formulation no trouble then there are people who 's truck will hardly... Or one year, two, years, three years and found no.... There also others, but are not available, I just was n't sure and have no trouble engine!