{"title":"Heavy Duty Engine Oils","description":null,"products":[{"product_id":"all-fleet-sae-15w-40-heavy-duty-engine-oil","title":"All Fleet SAE 15W-40 Heavy Duty Engine Oil","description":"\u003cp\u003eHarvest King All Fleet SAE 15W-40 Heavy Duty Engine Oil is formulated for use in high-speed four-stroke diesel engines designed to meet 2017 model year on-highway and Tier 4 non-road exhaust emission standards as well as for previous model year diesel engines. It is formulated for use in all applications with diesel fuels ranging in sulfur content up to 500 ppm. Use of this oil with greater than 15 ppm sulfur fuel may impact exhaust after treatment system durability and\/or oil drain interval. API CK-4 oils are designed to provide enhanced protection against oil oxidation, viscosity loss due to shear, and oil aeration as well as protection against catalyst poisoning, particulate filter blocking, engine wear, piston deposits, degradation of low and high-temperature properties, and soot-related viscosity increase. Follow manufacturer’s recommendation for viscosity grade and API service category.\u003c\/p\u003e","brand":"Harvest King","offers":[{"title":"2 Gal","offer_id":67700880277733,"sku":"HK050","price":45.99,"currency_code":"USD","in_stock":true},{"title":"1 Gal","offer_id":67700880310501,"sku":"HK035","price":24.99,"currency_code":"USD","in_stock":true},{"title":"5 Gal","offer_id":67700880343269,"sku":"HK049","price":109.99,"currency_code":"USD","in_stock":true},{"title":"55 Gal","offer_id":67700880376037,"sku":"HK034","price":1299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0835\/1635\/8885\/files\/HK050_A_ac25e5d3-948c-40c0-a739-dcad1a3e6da5.jpg?v=1792591920"},{"product_id":"all-fleet-sae-10w-30-heavy-duty-engine-oil","title":"All Fleet SAE 10W-30 Heavy Duty Engine Oil","description":"\u003cp\u003eHarvest King All Fleet SAE 10W-30 Heavy Duty Engine Oil is formulated for use in high-speed four-stroke diesel engines designed to meet 2017 model year on-highway and Tier 4 non-road exhaust emission standards as well as for previous model year diesel engines. It is formulated for use in all applications with diesel fuels ranging in sulfur content up to 500 ppm. Use of this oil with greater than 15 ppm sulfur fuel may impact exhaust after treatment system durability and\/or oil drain interval. API CK-4 oils are designed to provide enhanced protection against oil oxidation, viscosity loss due to shear, and oil aeration as well as protection against catalyst poisoning, particulate filter blocking, engine wear, piston deposits, degradation of low and high-temperature properties, and soot-related viscosity increase. Follow manufacturer’s recommendation for viscosity grade and API service category.\u003c\/p\u003e","brand":"Harvest King","offers":[{"title":"1 Gal","offer_id":67700880867557,"sku":"HK038","price":24.99,"currency_code":"USD","in_stock":true},{"title":"5 Gal","offer_id":67700880900325,"sku":"HK037","price":116.99,"currency_code":"USD","in_stock":true},{"title":"55 Gal","offer_id":67700880933093,"sku":"HK036","price":1399.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0835\/1635\/8885\/files\/HK038_A_8a843cf9-c621-443d-869b-e77632ced17d.jpg?v=1792591924"},{"product_id":"full-synthetic-all-fleet-sae-5w-40-heavy-duty-engine-oil","title":"Full Synthetic All Fleet SAE 5W-40 Heavy Duty Engine Oil","description":"\u003cp\u003eHarvest King Full Synthetic All Fleet SAE 5W-40 Heavy Duty Engine Oil is formulated for use in high-speed four-stroke diesel engines designed to meet 2017 model year on-highway and Tier 4 non-road exhaust emission standards as well as for previous model year diesel engines. It is formulated for use in all applications with diesel fuels ranging in sulfur content up to 500 ppm. Use of this oil with greater than 15 ppm sulfur fuel may impact exhaust after treatment system durability and\/or oil drain interval. API CK-4 oils are designed to provide enhanced protection against oil oxidation, viscosity loss due to shear, and oil aeration as well as protection against catalyst poisoning, particulate filter blocking, engine wear, piston deposits, degradation of low and high-temperature properties, and soot-related viscosity increase. Follow manufacturer’s recommendation for viscosity grade and API service category.\u003c\/p\u003e","brand":"Harvest King","offers":[{"title":"1 Gal","offer_id":67700881686757,"sku":"HK048","price":39.99,"currency_code":"USD","in_stock":true},{"title":"2 Gal","offer_id":67700881719525,"sku":"HK047","price":69.99,"currency_code":"USD","in_stock":true},{"title":"5 Gal","offer_id":67700881752293,"sku":"HK046","price":192.99,"currency_code":"USD","in_stock":true},{"title":"55 Gal","offer_id":67700881785061,"sku":"HK045","price":1799.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0835\/1635\/8885\/files\/HK048_A_452227aa-ebf0-4565-bcd6-630a11e9a2d7.jpg?v=1792591941"},{"product_id":"all-fleet-sae-30-heavy-duty-engine-oil","title":"All Fleet SAE 30 Heavy Duty Engine Oil","description":"\u003cp\u003eHarvest King All Fleet SAE 30 Heavy Duty Engine Oil combines high quality base oils with high performance additives to provide superb performance in the areas of detergency and dispersancy and protection against wear, rust, corrosion and high temperature thickening. It is a premium HD engine oil meeting API CF, CF-2 for use in both turbo-charged and naturally aspirated diesel engines. It meets the requirements of 2-cycle diesel engines made before 2007. Always consult your owner’s manual for specific recommendations.\u003c\/p\u003e","brand":"Harvest King","offers":[{"title":"2 Gal","offer_id":67700884930789,"sku":"HK052","price":42.99,"currency_code":"USD","in_stock":true},{"title":"5 Gal","offer_id":67700884963557,"sku":"HK051","price":104.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0835\/1635\/8885\/files\/HK052_A_e3999a71-5335-4d8c-91d7-eea44cc4cba8.jpg?v=1792591949"},{"product_id":"synthetic-blend-sae-15w-40-heavy-duty-engine-oil","title":"Synthetic Blend SAE 15W-40 Heavy Duty Engine Oil","description":"\u003cp\u003eHarvest King Synthetic Blend SAE 15W-40 Heavy Duty Engine Oil is engineered for dependable, year-round performance in demanding diesel applications and certain gasoline engines where the SAE grade and API Service category is recommended. Ideal for trucks, tractors, farm and construction equipment, and stationary engines, this high-performance formula helps keep engines clean while delivering advanced wear protection and reliable oil consumption control. Consult your owner’s manual for proper lubricant selection.\u003c\/p\u003e","brand":"Harvest King","offers":[{"title":"Default Title","offer_id":67700899905765,"sku":"HK190","price":48.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0835\/1635\/8885\/files\/HK190_cd418deb-8673-4f37-a2de-f314f23e0a56.jpg?v=1792592121"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0835\/1635\/8885\/collections\/54A2439_31a0747a-3838-4616-a2c9-066c3414dd45.jpg?v=1792698967","url":"https:\/\/harvest-king.com\/collections\/diesel-oils.oembed","provider":"Harvest King","version":"1.0","type":"link"}