6-17709 UP 40 ton stock car. UP 40 ton stock car. ADDITIONAL FEATURES: Hidden uncoupling tab Die-cast metal frame Metal underframe details Opening doors Four removable cattle figures STANDARD O ROLLING STOCK FEATURES: Scale proportions Separately applied detail parts Die-cast metal sprung trucks and operating couplers Authentic paint schemes Perfectly matched to Lionel Standard O locomotives Gauge: Standard O Dimensions: Length: 11? RailLine: Union Pacific Minimum Curve: O-31