{"title":"10W-30 Engine Oil","description":"\u003cp\u003e\u003cimg class=\"aligncenter size-full wp-image-333311718\" src=\"https:\/\/www.hotshotsecret.com\/wp-content\/uploads\/2025\/02\/HSS-Oil-Chart-Feb-2025.jpg\" alt=\"\" width=\"1570\" height=\"1347\"\u003e\u003c\/p\u003e\n\u003ch1\u003e\u003cstrong\u003eHeavy-Duty 10W-30 Engine Oil \u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp\u003eWhen your heavy-duty engine demands the best, Hot Shot's Secret 10W-30 lineup delivers. They offer the complete performance package. Infused with FR3 nano technology, our products provide unmatched wear reduction. Choose proven, science-powered protection. Enjoy improved horsepower, better fuel mileage and a cleaner, longer-lasting engine. \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e\u003cb\u003eWhat Is 10W-30 Oil?\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp\u003e10W-30 is a multigrade engine oil that works well in various temperatures. Here’s a simple breakdown of what the numbers mean:\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e- \u003cstrong\u003e10W: \u003c\/strong\u003eThe 10 tells you how the oil flows in cold weather, while the \"W\" stands for winter. The lower the number, the thinner the oil and the faster it flows in cold temperatures. \u003c\/li\u003e\n\u003cli\u003e- \u003cstrong\u003e30: \u003c\/strong\u003eThis number indicates the oil's viscosity once the engine reaches operating temperature. The oil must be thick enough to protect and lubricate all the moving parts under heat or stress.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e10W-30 diesel oil behaves like a thinner 10-weight oil in the cold and a thicker 30-weight oil when hot.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e\u003cb\u003eHot Shot's Secret 10W-30 Engine Oils\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp\u003eHeavy-duty applications need a high-powered engine oil. Our 10W-30 oils combine FR3 nano technology with additives for protection and performance.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eOur high-performance 10W-30 range includes:\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eGREEN DIAMOND™ 10W-30 Fleet Oil\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eHot Shot's Secret \u003ca href=\"https:\/\/www.hotshotsecret.com\/green-diamond-fleet-oil\/\"\u003eGREEN DIAMOND Fleet Oil\u003c\/a\u003e boasts comprehensive protection and performance gains. This 100% pure synthetic formula uses \u003ca href=\"https:\/\/www.hotshotsecret.com\/are-all-synthetic-oil-groups-the-same\/\"\u003eGroup III base oils for purity\u003c\/a\u003e. It provides 71% less engine wear and 78% lower oil consumption than traditional oils. \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe formula offers up to 3% improved fuel economy. GREEN DIAMOND keeps engines cleaner with 46% more effective soot-handling. Its superior stability prevents breakdown under severe conditions. This ability to operate in extreme environments allows for extended drain intervals. Reliable all-weather performance helps extend the life of components like injectors and turbos.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eBlue Diamond PAO 10W-30\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eBlue Diamond PAO 10W-30 is a 100% pure Group IV synthetic oil that reduces wear by 71% and oil consumption by 78% compared to conventional oils. Its advanced formula improves soot handling to keep engines clean. \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eExceptional oxidation and thermal breakdown resistance extend oil drain intervals. Your oil can last up to 100,000 miles. To get the most mileage from your oil, use the recommended oil filter, TBN booster and oil analysis.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eOur \u003ca href=\"https:\/\/www.hotshotsecret.com\/blue-diamond-pao-oil-10w30\/\"\u003eBLUE DIAMOND PAO 10W-30\u003c\/a\u003e exceeds API CK-4 specifications. It also meets the Ford WSS-M2C171-F1 requirements for wear protection.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eBLACK DIAMOND\u003csup\u003e®\u003c\/sup\u003e OUTLAW\u003csup\u003e®\u003c\/sup\u003e 10W-30 Oil\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eBLACK DIAMOND\u003csup\u003e®\u003c\/sup\u003e OUTLAW\u003csup\u003e®\u003c\/sup\u003e 10W-30 is a pure poly-alpha-olefin (PAO) \u003ca href=\"https:\/\/www.hotshotsecret.com\/black-diamond-outlaw-oil-10w30\/\"\u003eheavy-duty diesel engine oil\u003c\/a\u003e. Its Group IV base oil has a high viscosity index. A purer oil results in superior oxidation stability and low-temperature flow. This product blends CK-4 motor oil with a potent additive package. It features a high total base number (TBN), extreme pressure additives with increased zinc and antimony. \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe powerful chemistry provides superior film strength and boundary layer protection. Experience reduced friction, wear, noise and deposit formation. This oil is suited for deleted or non-DPF engines due to the high TBN and zinc levels.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThis oil can run up to three times longer than the manufacturer's recommended interval. A dedicated maintenance program (using a bypass filter, oil analysis and \u003ca href=\"https:\/\/www.hotshotsecret.com\/tbn-booster\/\"\u003eour TBN Booster additive\u003c\/a\u003e) can extend oil life by up to 100,000 miles. The result? An extended lifespan of the engine, turbo and injectors.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e\u003cb\u003eKey Benefits of Hot Shot’s Secret 10W-30 Oils\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp\u003eHot Shot's Secret expertise in science-backed solutions translates into better-performing, longer-lasting engines. The secrets to the success of our 10W-30 oils include:\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e- Infusion with FR3 nano technology for reduced friction and wear\u003c\/li\u003e\n\u003cli\u003e- Formula with Group III and Group IV base oils\u003c\/li\u003e\n\u003cli\u003e- API CK-4 compliance\u003c\/li\u003e\n\u003cli\u003e- Support for extended drain intervals (with oil analysis)\u003c\/li\u003e\n\u003cli\u003e- Boosted horsepower, torque and fuel economy\u003c\/li\u003e\n\u003cli\u003e- Superior thermal stability and oxidation resistance\u003c\/li\u003e\n\u003cli\u003e- Cold start protection and high heat resilience\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e\u003cb\u003eChoosing the Best 10W-30 Synthetic Oil for Your Engine\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp\u003eOur 10W-30 products suit a wide variety of heavy-duty and diesel applications. Use 10W-30 oil for trucks or:\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e- \u003ca href=\"https:\/\/www.hotshotsecret.com\/markets\/construction\/\"\u003eConstruction equipment\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e- Industrial use\u003c\/li\u003e\n\u003cli\u003e- \u003ca href=\"https:\/\/www.hotshotsecret.com\/markets\/racing\/\"\u003eRacing or turbo engines\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e- Heavy-duty trucking\u003c\/li\u003e\n\u003cli\u003e- \u003ca href=\"https:\/\/www.hotshotsecret.com\/markets\/agriculture\/\"\u003eAgricultural equipment\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e- Drilling rigs\u003c\/li\u003e\n\u003cli\u003e- Stationary engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eBest for Fleets — GREEN DIAMOND 10W-30 Fleet Oil\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eGREEN DIAMOND is your all-purpose workhorse synthetic oil. Its Group III base sets it apart from our other 10W-30 products. Use it to upgrade a fleet or vehicle from conventional or semi-synthetic oil to a fully synthetic formula.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eIt meets diesel specifications, including CK-4 and Ford. You can use this product in trucks and equipment with modern emissions systems. GREEN DIAMOND offers great protection and can extend drain intervals.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eBest for Modern Diesel Engines — Blue Diamond PAO 10W-30\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eBLUE DIAMOND PAO 10W-30 has a Group IV PAO synthetic base. PAO offers superior extreme temperature performance and thermal breakdown resistance. It suits operation in harsh climates. You can run this oil up to three times longer than the manufacturer's specifications. \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eChoose BLUE DIAMOND if you want the best protection for emissions-compliant engines.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eBest for Maximum Engine Protection — BLACK DIAMOND OUTLAW 10W-30 Oil\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eBLACK DIAMOND OUTLAW 10W-30 combines a CK-4 motor oil with added components. Opt for this oil if you want increased protection and TBN. It boasts almost three times the zinc levels of standard CK-4 oils with antimony levels over 400 ppm. Extreme pressure additives and the higher TBN offer unmatched longevity. \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eAvoid using this product in vehicles with a DPF, catalytic converter or EGR system. It may damage these systems.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e\u003cb\u003ePower Up Your Diesel Engine With Hot Shot's Secret Oil\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp\u003eEvery heavy-duty engine faces unique demands. Hot Shot's Secret family of high-performance 10W-30 oils delivers proven results. Experience a more efficient, clean, long-lasting engine.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eDiscover the perfect blend of science and power. Browse \u003ca href=\"https:\/\/www.hotshotsecret.com\/product-category\/engine-oil\/\"\u003eour advanced engine oils\u003c\/a\u003e or \u003ca href=\"https:\/\/www.hotshotsecret.com\/product-category\/oil-additives\/\"\u003efind your perfect additives now\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e\u003cb\u003e10W-30 Engine Oil FAQs\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp\u003eDo you still have questions about 10W-30 oil? These answers to common FAQs may help:\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eIs 10W-30 oil suitable for diesel engines?\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eSince 10W-30 is a multigrade oil, you can use it in most heavy-duty diesel engines. Its outstanding viscosity and detergent properties reduce wear while keeping the engine clean.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eCan I switch from 15W-40 to 10W-30?\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eYes! Both 15W-40 and 10W-30 are multigrade diesel engine oils. The only difference between them is their viscosity at low or high temperatures. 10W-30 has a thinner viscosity, so it flows faster in cold conditions, while 15W-40 oil has a thicker consistency suited for hotter temperatures.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eWhat makes a 10W-30 oil “full synthetic?”\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003e10W-30 has a \u003ca href=\"https:\/\/www.hotshotsecret.com\/semi-synthetic-vs-synthetic-oil\/\"\u003epure synthetic oil base\u003c\/a\u003e and additives. Its uniform molecular structure eliminates impurities for a more refined oil. Compared to semi-synthetic oil, 100% synthetic oils boast enhanced heat and oxidation resistance.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","products":[{"product_id":"green-diamond-pro-oil","title":"Green Diamond™ PRO Full Synthetic Engine Oil","description":"\u003ch3\u003eDIESEL ENGINE OIL\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eEXPERT DIESEL ADVICE\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% SATISFACTION\u003c\/strong\u003e or your money back\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGUARANTEED\u003c\/strong\u003e not to void your manufacturer's warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0996\/2589\/4164\/files\/fr3_tech.jpg?v=1788970702\" alt=\"\"\u003eInfused with FR3 Nano Lubricant Technology\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e5W-40 \u0026amp; 10W-30 Green Diamond PRO Oils are a 100% pure synthetic using only Group III base oils.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e15W-40 Green Diamond PRO FULL Synthetic Oil is a 100% pure synthetic using only Group III base oils.\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eLooking for SEMI Synthetic? \u003cdel\u003eGreen Diamond \"Fleet\" Semi Synthetic\u003c\/del\u003e is now known as \u003ca href=\"\/yellow-diamond-fleet-15w40-semi-synthetic\/\" target=\"_blank\"\u003eYellow Diamond\u003c\/a\u003e!\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg alt=\"Prop 65 Warning Symbol\" width=\"24\" height=\"22\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0996\/2589\/4164\/files\/Prop65WarningSymbol.jpg?v=1788950508\"\u003e\u003cstrong\u003eWARNING:\u003c\/strong\u003e\u003cspan\u003e Risk of cancer from exposure to naphthalene. See \u003c\/span\u003e\u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" rel=\"noopener noreferrer\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"Hot Shot's Secret","offers":[{"title":"1 GAL 5W40 Full Synthetic CK4","offer_id":52736380240148,"sku":"GRN5W40-1G","price":43.99,"currency_code":"USD","in_stock":true},{"title":"5 GAL 5W40 Full Synthetic CK4","offer_id":52736379945236,"sku":"GRN5W40-5G","price":206.99,"currency_code":"USD","in_stock":true},{"title":"1 GAL 10W30 Full Synthetic CK4","offer_id":52736380043540,"sku":"GRN10W30-1G","price":43.99,"currency_code":"USD","in_stock":true},{"title":"5 GAL 10W30 Full Synthetic CK4","offer_id":52736380076308,"sku":"GRN10W30-5G","price":206.99,"currency_code":"USD","in_stock":true},{"title":"1 GAL 15W40 Full Synthetic CK4","offer_id":52736380109076,"sku":"GRN15W40-1G","price":43.99,"currency_code":"USD","in_stock":true},{"title":"5 GAL 15W40 Full Synthetic CK4","offer_id":52736380141844,"sku":"GRN15W40-5G","price":206.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/2589\/4164\/files\/GRN10W30-1G_800x800_eac56199-8ab5-4d66-ab69-2d3f2a96684b.jpg?v=1790868889"},{"product_id":"black-diamond-outlaw-oil-10w30","title":"Black Diamond OUTLAW Engine Oil 10w30","description":"\u003ch3\u003eBLACK DIAMOND HEAVY DUTY DIESEL ENGINE OIL\u003c\/h3\u003e\n\u003ch3\u003e\u003cstrong\u003e100% PAO FORMULAS!\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch4\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0996\/2589\/4164\/files\/fr3_tech.jpg?v=1788970702\" alt=\"\"\u003eInfused with FR3 Nano Lubricant Technology\u003c\/h4\u003e\n\u003cp\u003eBLACK DIAMOND® OUTLAW® 10W-30 is a 100% pure poly-α-olefin (PAO) Group IV synthetic oil that requires a very small amount of viscosity improvers to meet the weight specifications. The infusion of our patented FR3 Nano Technology and CK-4 additive package provides unsurpassed levels of longevity and performance while keeping the oil cleaner longer and providing better mileage and horsepower. BLACK DIAMOND® OUTLAW® 10W-30 was formulated from CK-4 motor oil but with added extreme pressure additives, increased zinc, increased antimony, and higher TBN.\u003c\/p\u003e","brand":"Hot Shot's Secret","offers":[{"title":"1 GAL 10W30 Zinc PAO","offer_id":52736404390164,"sku":"BLK10W30-1G","price":81.99,"currency_code":"USD","in_stock":true},{"title":"5 GAL 10W30 Zinc PAO","offer_id":52736404422932,"sku":"BLK10W30-5G","price":405.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/2589\/4164\/files\/BLK10W30-1G_800x800_c71b8833-c918-46cd-b47a-8b52239cc5d4.jpg?v=1790869870"}],"url":"https:\/\/www.hotshotsecret.com\/collections\/10w-30.oembed","provider":"Hot Shot's Secret","version":"1.0","type":"link"}