KATO N Scale Union Pacific A+B Loco Set 106-0305 - F3 A+B Locomotive Set. A-Unit #1453 Dual Headlight without SG, B-Unit #1453B with SG All information and photos, which are part of the description, are intended to be as accurate as possible, but errors are possible. No item may be returned or refused based on this information, which is provided as a service to bidders. Please read terms & conditions and ask questions before bidding.