Online Auction for Government Surplus - Auction Ends 11/13/19 - To view auction details go to and enter 7826-69 in the search box. 1970 Caterpillar D7F Tractor Dozer. Serial #94N9556. Hours 2,523. Starts and is Operable. 6 cyl, 3306 Diesel engine. Hard to turn left in reverse. Broken cutting edges. Left blade cyl. leaks. Deacals have been remvoed. *** - Bid on Government Auctions to buy Government Surplus.***