All the features and power necessary for chipping mountains of big brush FAST! With its 14"-diameter, 3/4"-steel, 33 pound flywheel, and a powerful 16 HP V-Twin engine, this model can devour small hardwood trees and branches up to 4-1/2" in diameter nearly 50% faster than our 12 HP model! The V-Twin Vanguard engine from Briggs and Stratton features cast-iron cylinder sleeves, and is designed for extended use and extra long life. Heavy-duty 2" tubular steel mainframe. Can be towed behind your lawn tractor or car or truck, with a 2" ball coupler. Safety chains, directional lights and brake lights included. Recommended towing speed: 35 mph.