View 1 Photo View 0 Videos Caterpillar Challenger 55 Track Tractor Newly Listed At auction Feb. 11 Caterpillar Challenger 55 Track Tractor, 4,533 hrs showing, 250 hp, CAT 3126 7.2L 6 Cylinder Turbo, Diesel, Water Cooled Engine, 16 Forward Speeds, 9 Reverse Speeds, Powershift Transmission,... ConditionUsedStock NumberKE7923 MLS Number14117365CategoryTractors Last Updated1/30/2026 LocationWray, CO, US Listed ByBigIron Auctions (844) 253-___ SHOWNUMBERCall Seller Email Seller Save More Info