Used M&E Lump Buster.  Item specifics as follows…

• 12″ by 18″
• Stainless steel
• Lump buster with screen with 1″ openings
• Hammers are .5″ wide and 2″ long
• Cog belt drive
• 15 hp and 20 hp motors
• Serial # 16048
• Quantity:  4 available
• Inventory #2198