2000 Caterpillar Track Tractor. Tractor runs and drives. 11,118 hours on tach. Engine starts good and has power. Left hand track is cut bad. Right hand track has cuts on lugs and is worn. Transmission does not operate in 7/8/9 gear and 14/15/16. 4 Rear SCVs. Rear 3pt. Rear PTO. A/C is not cold.