DOSKO
MODEL 13-21T-13H Dimensions: 44"L x 32"W x 60H Engine 389cc GX Honda Engine Fuel Type Gasoline Disc Size 21" Dia. x 5" Thick Speed 2275 RPM Dodge Bearings 1.5" Dia. 4-Bolt Flange Knives 1 Double Edge, Reversible Bed Knife Reversible 4-Way, 5.5" Long x 3/16" Thick Infeed Opening 5.5" x 5" Hopper Size 19" x 19" Discharge Height 52" Weight 330 lbs. Click [here][1] for additional information about this machine. [1]: http://www.dosko.com/chippers/13_21.html