Keep your generator or machine running smoothly from day one. We include the correct oil matched to your specific unit, ensuring optimal performance and engine protection. While some generators arrive pre-filled, most don't—so we've eliminated the guesswork by providing the exact quart you need. No hunting for the right viscosity or type. Just unbox, add oil if needed, and start operating with confidence. Proper lubrication means longer equipment life and fewer costly repairs down the road.