The 16HP Vertical Shaft Lawn Mower Engine Petrol 4 Stroke Ride on Motor is the perfect power solution for those who want a lightweight and compact engine for their riding lawn mower. This engine weighs only 31.5 pounds, making it easy to transport and set up. But don't let its small size fool you - it delivers impressive power with its 16 horsepower rating. This engine features a four-stroke cycle, which means it runs smoothly and quietly, with minimal emissions. The vertical shaft design ensures stability even on uneven terrain, allowing you to mow your lawn with confidence. With a gas tank capacity of 3.5 gallons, you can cover a lot of ground before refueling. The included Pro-Trol transmission ensures reliable starting and smooth operation. Overall, this engine is a reliable, powerful, and eco-friendly solution for anyone looking to power their ride-on mower.