Description : Tecumseh 10 HP Formula XL/C Vertical Engine. Formula engines are built to power light-to medium-duty equipment. Performance, dependability and value are what you can expect from Tecumseh. This engine is smooth, quiet, easy starting and dependable. This item is not for sale in the state of California. Customers are responsible for checking local codes and regulations prior to purchase. HP: 10, Shaft Output: Vertical, Start Type: Recoil, Shaft Dimensions L x W (in.): 1 x 3 5/32, Mounting Base L x W (in.): 8, 10,, Shaft Keyway (in.): 1/4, Shaft End Tapped (in.): 3/8-24, Max. RPM: 3,400, Fuel Tank Capacity (qt.): 3, Oil Capacity (qt.): 32-oz