The TB51BP backpack leaf blower from Troy-Bilt® offers superior power with a 51cc 2-cycle full-crank engine. Its backpack design allows for reduced operator fatigue and fits the shape of your hips and reduces pressure points. It features high volume air flow/velocity (600 CFM/220 MPH) for efficient clean up. Its SpringAssist™ technology allows for easier pull starts and the variable speed throttle with cruise control settings provide greater control and ease of use. The TB51BP backpack leaf blower comes with an ergonomic soft-grip handle for comfort and easy operation. Includes 2-cycle engine oil and a 3-year limited warranty.