1997 Caterpillar Challenger 55 Track Tractor, 4,533 Hrs Showing, 250 Hp, Caterpillar 3126 7.2L 6-Cylinder Turbo, Diesel, Water Cooled Engine, 16 Forward Speeds, 9 Reverse Speeds, Powershift Transmission, Independent PTO, Rear PTO Location, 4 Auxiliary Hydraulics, Skid Steering, 18" Wide Tracks, Quick Hitch, (22) Front Weights, (3) Axle Weights Each Side Weights, Heater, AC, Radio, 1 Door(s), Set At 120", 3-Pt Hitch, Large 1,000 To Small 1,000 PTO Adapter, Fender 3-Pt Controls, SN: 7DM00894