The All Power APWC210 is a powerful sturdy woodchipper designed to last. The motor has a generous 7 HP to ensure your cutting needs with a max cutting speed of 2,200rpm. The tire's are 10" with a wheelbase of 21". The cutting blades use a dual reversible double edge blades which provides longer blade life, with a cutting tree diameter of 4" and infeed dimensions of 18" X 15", this woodchipper can get your cutting job done with confidence. The expulsion chute is adjustable to 180 degrees up or down. The rated speed is 3,600rpm