This is S Gauge and will not work on O Gauge track. 
- FEATURES:
 - Non-sprung die-cast metal trucks
 - Operating couplers
 - Metal frames
 - Opening doors
 
PRODUCT SPECIFICATIONS
- Gauge: American Flyer/S Gauge
 - Brand: Lionel
 - Min Curve: S Gauge
 - Dimensions: Length: 8 3/8”
 - Most Recent Catalog: 2006 Lionel Christmas Catalog
 
872020