20-2050-3 O Scale Premier F-3 B-Unit - 3 Rail Powered For availability see 'Find it locally' tab $229.95Product InformationDescriptionPowered F-3 B-Unit - B&O Roadname: Baltimore & OhioProduct Item Number: 20-2050-3Catalog: AO 1998 Volume 2 - Blue CometProduct Line: PremierScale: O ScaleDelivery Status: Delivered AUG. 1998This product is compatible with all O Gauge 3-Rail track systems including those systems offered by Atlas and Gargraves and Lionel and Ross Custom Switches. Overview Features Find It LocallyThis product may not have shipped yet or is completely sold out. Click on the show button to see who might have it on order. SupportSupport Content: