SUPERIOR VISCOSITY & SHEAR STABILITY - Built for high loads, excellent resilience to sustained power, and sustained and shock loaded engines. Resists shear viscosity breakdown for the duration of its drain interval.API LICENSED - This product is API licensed for all CK-4, CJ-4, CI-4 and previous applications. - Extended Drain Capable: 600 + hours for farm equiment, 65,000 miles for heavy duty trucks and 15,000 miles for diesel pick trucks.OEM REPLACEMENT / COMPATIBILITY: JD Plus II 50, Kubota 15W-40, Ambra 15W-40, CASE, Caterpillar 15W-40.SUPERIOR PERFORMANCE TO OEM FLUIDS: Higher wear protection, better shear stability, less friction and heat. Engines run cooler, longer, quieter. More thermal stability and resistance to shear.SUPERIOR ENGINE CLEANLINESS: 40-60% cleaner turbo-chargers, piston rings and liners vs major OEM / Brand fluids.