Frame 4" x 6" heavy wall>structural tubing extended with drag pipe attaching brackets | Hitch Self leveling, spring cushioned hitch w/ hand crank | Gangs & Bearings 3" x 8" structural tubing gang frame's factory assembled w/ 1 ½" square gang>bolts w/ greasable triple sealed , trunnion mounted bearings w/ replaceable wear guards | Wheels & Tires 6 bolt hub and spindle assembly w/ replaceable axle bushing, 9.5Lx 15", 8 ply tires | Hydraulics 3 ½" x 8" depth control cylinders w/ hoses for 7601-7602, 4"x 8" depth control cylinders w/ hoses for 7603-7605 | Blades & Scrapers 24" x 6mm smooth blades w/ 9" spacing and adjustable cutting angle up to 45 degrees. Scrapers adjustable individually, or by complete gangs