Frame & Tongue 6" x 8" welded structural tubing, extended w/ drag pipe attaching brackets and hitch for till and pac, 5" x 7" structural tubing tongue | Gangs & Bearings Factory assembled 10" x 4" structural tubing w/ welded bearing standards, 2-¼" trunnion mounted triple sealed>greasable self-aligned bearings w/ two external seals | Hitch Self leveling, spring cushioned hitch w/ hand crank adjustment | Wheels & Tires Four 8-bolt hub & spindle assembly w/ replaceable axle bushing, 12.5L x 15" 8-ply tires | Hydraulics Two 5" welded hydraulic cylinders w/ 2-¼" rods, hoses, depth stops, and transport locks | Blades & Scrapers 32" x 9.5mm notched blades w/ 13" spacing, heavy duty scrapers adjustable individually or by complete gangs. Cutting angle adjustable up to 46 degrees