ENCLOSED CAB WITH HEAT AND AC, 18” RUBBER TRACKS, 57 HP YANMAR DIESEL ENGINE, 36” TOOTH BUCKET, PUSH BLADE, 2 SPEED, AUX HYDRAULICS, HYDRAULIC THUMB, RADIO, 15.5' DIG DEPTH, 18689 LBS OPERATING WEIGHT, (SHOWING 3946 HRS.), SN AETB11116 ST# 12154