MODEL 1812-12'CUTTER, 12'CUTTER BASE UNIT, 540 PM, TIRE & RIM ASY,FOAM FILLED, never go flat!!!, DUAL AXLE BUNDLE, SINGLE AXLE SPINDLE BNDL,WING, SINGLE ROW CHAIN BUNDLE COMPL, HYD HOSE OPTION KIT, This unit THRU SHOP ... please see the Work order in the service logs section