Truck tire tool of choice. Long known as the workhorse of the truck tire industry. Rocking dog clutch for smooth operation and extreme durability . Teasing throttle for easy bolt starting. Choice of professional mechanics for high volume tire work on trucks, buses and heavy equipment Convenient reverse valve for easy directional changes. Applications: high volume tire work on trucks, buses and heavy equipment. Working torque: 150-900 ft./lbs.; maximum torque: 1400 ft./lbs.; blows per minute: 1080; free speed: 4200 RPM; average air consumption: 10 cfm; air inlet thread: 1/2 NPTF; minimum hose size: 1/2; sound dBA: 110; length: 22.25; weight: 29.75 lbs.