{"organism":"Page","children":[{"organism":"Container.Raw","children":[{"organism":"Metadata","model":{"title":"Diesel Engine Oil Analysis Explained","text":"Diesel engine oil analysis is a scientific way of preventing and uncovering issues with your engine. Find out what diesel engine oil analysis can do to help you.","links":[{"name":"Diesel Engine Oil Analysis Explained","value":"https://rotella.shell.com/en_us/info-hub/maintenance-for-heavy-duty-engines/what-oil-analysis-reveals-about-your-engine-and-oil.html"}]},"id":"/content/shell/business/rotella/en_us/info-hub/maintenance-for-heavy-duty-engines/what-oil-analysis-reveals-about-your-engine-and-oil/jcr_content/root/metadata"},{"organism":"ContentOwner","model":{},"id":"/content/shell/business/rotella/en_us/info-hub/maintenance-for-heavy-duty-engines/what-oil-analysis-reveals-about-your-engine-and-oil/jcr_content/root/contentowner"},{"organism":"Container.Header","children":[{"organism":"Container.Raw","ref":"https://rotella.shell.com/en_us/_jcr_content/root/header/inherited.model.json","id":"/content/shell/business/rotella/en_us/info-hub/maintenance-for-heavy-duty-engines/what-oil-analysis-reveals-about-your-engine-and-oil/jcr_content/root/header/inherited","model":{}},{"organism":"Breadcrumb","model":{"links":[{"name":"Inside Shell Rotella®","value":"https://rotella.shell.com/"},{"name":"Info Hub","value":"https://rotella.shell.com/en_us/info-hub.html"},{"name":"Maintenance For Heavy-Duty Engines","value":"https://rotella.shell.com/en_us/info-hub/maintenance-for-heavy-duty-engines.html"},{"name":"What Diesel Engine Oil Analysis Reveals About Your Engine and Oil","value":"https://rotella.shell.com/en_us/info-hub/maintenance-for-heavy-duty-engines/what-oil-analysis-reveals-about-your-engine-and-oil.html"}]},"id":"/content/shell/business/rotella/en_us/info-hub/maintenance-for-heavy-duty-engines/what-oil-analysis-reveals-about-your-engine-and-oil/jcr_content/root/header/breadcrumb"}],"id":"/content/shell/business/rotella/en_us/info-hub/maintenance-for-heavy-duty-engines/what-oil-analysis-reveals-about-your-engine-and-oil/jcr_content/root/header","model":{}},{"organism":"Container.Main","children":[{"organism":"Container.Section","children":[{"organism":"PageHeader","color":"inherited","model":{"title":"What Diesel Engine Oil Analysis Reveals About Your Engine and Oil","text":"\u003Cp\u003EOil analysis is a scientific way of preventing and uncovering issues with your engine. Read on to learn what key functions this early warning system can help you optimize – and how.\u003C/p\u003E\r\n\u003Cp\u003EBy Dan Arcy, Global OEM Technical Manager, Shell Lubricants\u003C/p\u003E\r\n","image":{"src":"https://rotella.shell.com/en_us/info-hub/maintenance-for-heavy-duty-engines/what-oil-analysis-reveals-about-your-engine-and-oil/_jcr_content/root/main/section/page_header.shellimg.jpeg/1718741354397/sarawak-lutong.jpeg","alt":"scientist1","width":1900,"height":1200}},"id":"/content/shell/business/rotella/en_us/info-hub/maintenance-for-heavy-duty-engines/what-oil-analysis-reveals-about-your-engine-and-oil/jcr_content/root/main/section/page_header"},{"organism":"PromoSimple.Text","color":"inherited","id":"/content/shell/business/rotella/en_us/info-hub/maintenance-for-heavy-duty-engines/what-oil-analysis-reveals-about-your-engine-and-oil/jcr_content/root/main/section/text_1571799229","model":{"text":"\u003Cp\u003EOil analysis is a proven way of checking oil condition, quality, contamination, and \u003Ca href=\"https://rotella.shell.com/en_us/info-hub/diesel-oil-guide/4-ways-engine-wear-tear-occurs.html\"\u003E\u003Cstrong\u003Emachine wear\u003C/strong\u003E\u003C/a\u003E. When an abnormality is identified, you’ll know what actions to take to correct the root cause, stop a failure from developing and more.\u003C/p\u003E\n\u003Cp\u003EIdeally, you should have a sample of used oil analyzed after every oil change, and for every piece of equipment. A regular oil analysis program lets you build a database of your engine’s historic behaviors – maximizing your ability to secure a sustained optimal performance.\u003C/p\u003E\n"}},{"organism":"PromoFull","color":"inherited","id":"/content/shell/business/rotella/en_us/info-hub/maintenance-for-heavy-duty-engines/what-oil-analysis-reveals-about-your-engine-and-oil/jcr_content/root/main/section/promo","model":{"title":"Early-warning system","text":"\u003Cp\u003EThink of oil analysis as a cost-effective early-warning system. Is there too much diesel fuel in the oil? You may need to check your fuel system.\u003Cbr\u003E\r\n\u003C/p\u003E\r\n\u003Cp\u003EWhat about traces of coolant? Your cooling system may need a check-up.\u003C/p\u003E\r\n\u003Cp\u003EToo much dirt or soot? Maybe you've overextended your drain interval or have a leak in the air intake system.\u003C/p\u003E\r\n\u003Cp\u003EIn these types of cases, the lab can notice small abnormalities long before you do, so you can act before these triggers turn into possible operational problems or engine damage.\u003C/p\u003E\r\n","image":{"src":"https://rotella.shell.com/en_us/info-hub/maintenance-for-heavy-duty-engines/what-oil-analysis-reveals-about-your-engine-and-oil/_jcr_content/root/main/section/promo.shellimg.jpeg/1718750160231/testing-shell-oman-marketing.jpeg","alt":"testing-shell-oman-marketing-1","width":1900,"height":1200}}},{"organism":"PromoFull.Right","color":"brand1-subtle","id":"/content/shell/business/rotella/en_us/info-hub/maintenance-for-heavy-duty-engines/what-oil-analysis-reveals-about-your-engine-and-oil/jcr_content/root/main/section/promo_422622913","model":{"title":"Longer ODI and lower costs","text":"\u003Cp\u003EThe knowledge gained from a consistent oil analysis program can help:\u003C/p\u003E\r\n\r\n\r\n\r\n\u003Cul\u003E\r\n\u003Cli\u003EOptimize your oil drain interval\u003C/li\u003E\r\n\u003Cli\u003EIncrease equipment reliability\u003C/li\u003E\r\n\u003Cli\u003EMinimize unscheduled downtime\u003C/li\u003E\r\n\u003Cli\u003EMore precisely track operating efficiency and maintenance practices.\u003C/li\u003E\r\n\u003C/ul\u003E\r\n\r\n\r\n\r\n\u003Cp\u003EThis powerful combination can contribute to helping lower your total operating costs.\u003C/p\u003E\r\n\r\n\r\n\r\n\r\n\r\n\r\n","image":{"src":"https://rotella.shell.com/en_us/info-hub/maintenance-for-heavy-duty-engines/what-oil-analysis-reveals-about-your-engine-and-oil/_jcr_content/root/main/section/promo_422622913.shellimg.jpeg/1718756477083/taloja-lubricants.jpeg","alt":"scientist-2","width":1900,"height":1200}}},{"organism":"PromoFull","color":"inherited","id":"/content/shell/business/rotella/en_us/info-hub/maintenance-for-heavy-duty-engines/what-oil-analysis-reveals-about-your-engine-and-oil/jcr_content/root/main/section/promo_627641698","model":{"title":"Metal issues","text":"\u003Cp\u003EThe wear-metals section of your analysis, for example, may detect a mechanical engine problem that has nothing to do with your oil.\u003Cbr\u003E\n\u003C/p\u003E\n\u003Cp\u003EHigh levels of iron could point to cylinder liner wear. Chromium, aluminum, lead, copper, tin – unusual levels of any of these metals can be spotted and interpreted by the lab, helping give you valuable information about your engine.\u003C/p\u003E\n\u003Cp\u003EAnother function of an oil analysis is to tell you about your oil. For example, you'll learn about its \u003Ca href=\"https://rotella.shell.com/en_us/info-hub/diesel-oil-guide/what-you-need-to-know-about-low-oil-viscosity.html\"\u003E\u003Cstrong\u003Eviscosity grade\u003C/strong\u003E\u003C/a\u003E. If it's too high, then there could be soot or some other kind of contamination that's making the oil too thick.\u003C/p\u003E\n","image":{"src":"https://rotella.shell.com/en_us/info-hub/maintenance-for-heavy-duty-engines/what-oil-analysis-reveals-about-your-engine-and-oil/_jcr_content/root/main/section/promo_627641698.shellimg.jpeg/1725595716549/man-working.jpeg","alt":"man-working-1","width":1900,"height":1200}}},{"organism":"PromoFull.Right","color":"brand1-subtle","id":"/content/shell/business/rotella/en_us/info-hub/maintenance-for-heavy-duty-engines/what-oil-analysis-reveals-about-your-engine-and-oil/jcr_content/root/main/section/promo_429920626","model":{"title":"Accurate oil analysis","text":"\u003Cp\u003EFor accurate results, an engine-oil analysis program asks users to follow a few fundamental steps that rarely get the attention they deserve:\u003C/p\u003E\r\n\r\n\r\n\u003Cul\u003E\r\n\u003Cli\u003EProvide a proper oil sample to the lab (read on to learn how)\u003C/li\u003E\r\n\u003Cli\u003EGive all necessary information needed by the lab\u003C/li\u003E\r\n\u003Cli\u003ESend the sample on the same day you took it; don’t let it sit on the shop workbench.\u003C/li\u003E\r\n\u003C/ul\u003E\r\n\r\n\r\n\r\n\r\n","image":{"src":"https://rotella.shell.com/en_us/info-hub/maintenance-for-heavy-duty-engines/what-oil-analysis-reveals-about-your-engine-and-oil/_jcr_content/root/main/section/promo_429920626.shellimg.jpeg/1718756492634/women-working-in-lab.jpeg","alt":"women-working-in-lab-1","width":1900,"height":1200}}},{"organism":"PromoFull","color":"inherited","id":"/content/shell/business/rotella/en_us/info-hub/maintenance-for-heavy-duty-engines/what-oil-analysis-reveals-about-your-engine-and-oil/jcr_content/root/main/section/promo_878180185","model":{"title":"How to take an oil sample","text":"\u003Cp\u003EIf you take your sample when the oil is being drained, catch it midstream by waiting at least five seconds. That way, you won't be collecting heavy metals or other deposits lying at the bottom of the pan.\u003Cbr\u003E\r\n\u003C/p\u003E\r\n\u003Cp\u003EWithdrawing oil through the dip-stick opening is another good way to take a sample. Doing this can reduce the chance of outside dirt or contaminants getting into it – and prevent splattering when you stick the bottle into the stream. \u003C/p\u003E\r\n\u003Cp\u003EWhichever way you take a sample, do it in the same way each time for consistent results.\u003C/p\u003E\r\n\u003Cp\u003EFinally, although engine-oil analysis is common, it's also beneficial to your bottom line to have gear oil, transmission fluid and other vital lubricants tested.\u003C/p\u003E\r\n","image":{"src":"https://rotella.shell.com/en_us/info-hub/maintenance-for-heavy-duty-engines/what-oil-analysis-reveals-about-your-engine-and-oil/_jcr_content/root/main/section/promo_878180185.shellimg.jpeg/1718750544700/helix-lubricant.jpeg","alt":"helix-lubricant-1","width":1900,"height":1200}}},{"organism":"PromoSimple.Text","color":"brand1-subtle","id":"/content/shell/business/rotella/en_us/info-hub/maintenance-for-heavy-duty-engines/what-oil-analysis-reveals-about-your-engine-and-oil/jcr_content/root/main/section/text_1735796860_copy","model":{"title":"You May Also Be Interested In"}},{"organism":"PromoCard","color":"brand1-subtle","colspan":4,"id":"/content/shell/business/rotella/en_us/info-hub/maintenance-for-heavy-duty-engines/what-oil-analysis-reveals-about-your-engine-and-oil/jcr_content/root/main/section/promo_962275861_copy_1296153187","model":{"title":"Drivers: Here’s How Your Behavior Affects your Diesel Truck's Fuel Economy","text":"\u003Cp\u003EYour actions can affect how much fuel you use in surprising ways. 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