UNIT STARTS RUNS AND OPERATES BUT SMOKES. WE ARE SELLING AS IS FOR REPAIR. OPEN CAB, 37 HP YANMAR DIESEL ENGINE, 16" RUBBER TRACKS, 72" PUSH BLADE, AUX HYDRAULICS, 12.5' DIG DEPTH, 9150 LBS OPERATING WEIGHT, (SHOWING 877 HRS), SN 00658B, ST# 15063