Enclosed Cab, Air Conditioner, Cat 6 Cylinder Diesel Engine, Hydrostatic Drive, 25 in Wide x 174 in Long Rock Trencher Chain, Crumbling Shoe, Discharge Conveyor, 23.5 in Double Grouser Track Shoes, comes with extra bar that measures 16 ft 7 in tip to tip and extra chain, pins, chain links, and bolts for bar

Enclosed Cab, Air Conditioner, Cat 4 Cylinder Diesel Engine, Requires Diesel Exhaust Fluid, Hydrostatic Drive, 18 in Wide x 126 in Long Rock Trencher Chain, Crumbling Shoe, Discharge Conveyor, 22 in Triple Grouser Track Shoes