Description Product OverviewHarvest King All Fleet SAE 5W-40 HD Full Synthetic Engine Oil is formulated to deliver improved fuel economy and exceptional engine protection in high-performance diesel applications. This heavy-duty oil sustains the durability of emission control systems and provides excellent high-temperature protection and reduced engine wear. Packaged in a 5-gallon (18.9-liter) container for convenient use in fleet and industrial settings.Key BenefitsImproves fuel economy compared to SAE 15W-40Effective at sustaining emission control system durabilityExcellent high temperature protection and reduced engine wear5 GAL / 18.9 L