eBay Auctions - Name your price! eBay auction! 2 WALTHERS MOW UNION PACIFIC SIDE DUMP CARS $23.00 eBay auction! Walthers #7917 Difco(R) Dump Car Union Pacific $21.95 eBay auction! 1974 Lionel 6-9303 Union Pacific Operating Log Dump Car $12.99 eBay auction! Walthers#7917 Difco Dump Car Union Pacific $21.95 eBay auction! LIONEL # 9303 UNION PACIFIC OPERATING LOG DUMP CAR +OB $4.99   1