2019 Caterpillar 320 Next Gen Hydraulic Excavator. SN CAT00320HHEX00140. Cab/Air. Hyd Thumb. Aux Hydraulics. 42 Inch Bucket. 31.5 Inch Tracks. Rear View Camera. Cat C4.4 Acert Diesel Engine. Hour Meter Reads: 8,181 Hours.