• Sealed, dust-proof grinding head with a new chain-driven planetary drive. • New stronger timing belt. • Upgraded shafts, seals and bearings. • New, lighter timing pulleys for better power transmission. • New 2-piece aluminum main belt housing. • • • • Propane Engine Engine Capacity Grinding Pressure Working Width Tool Holder Diameter Heads Rotation Vacuum Hose Port Propane Tank Capacity Water Tank Capacity New weights for faster position change. Redesigned frame for easier tool changes. New handle design with more positions. Adjustable LED lights with magne