Machine description: Base unit is a Caterpillar 323EL excavator w/ Cab, Heat & A/C, Reach Boom, 9'7" stick, Aux Hydraulics, CAT ACERT 6.6 Diesel engine, Hydraulic Hold Down Legs w/ Adjustable Wire Pullers, and NEW NI... more info about the 2012 Caterpillar 323EL (AD).