EFCUT C30 Wood Chipper 3" Horizontal 7HP 212cc 4-stroke Gas-Powered (C30)Compact Power with Fine Mulch Output The EFCUT C30 Wood Chipper is a compact, high performance machine built for homeowners and landscapers who want fast, efficient yard cleanup with finer mulch output. Powered by a 7 HP 212cc 4 stroke OHV gas engine, this chipper handles branches up to 3 inches in diameter and uses a large cutting rotor with 2 high speed steel blades and 6 cutting hammers for aggressive, consistent shredding. With an impressive 20: 1