2007 Cat Challenger MT865B, 8,640 Hours,Caterpillar 18.1L 6-cyl diesel, 510hp, runs and drives good, 36in Tracks, 5-Rear Hydraulic Valves, 32-Front Weights, Heat, AC, 510 Hp. GPS Ready, has hydraulic drawbar. S/N:AGCC0865ANSKG1007, To View / Info: West River Equipment Sales Team 701-751-0995 Located: Colfax ND