FGE 57' Reefer # FGMR 12824, 12918 - These Cars Are Accurate Replicas Based on Original Drawings,Paint & Lettering Are Recreated From Photos, Drawings, & Field Research, They are Weighted to Assure Smooth Operation, Wheel Flanges Are Compatible with Code 55 Track, They Have McHenry Knuckle-Spring Couplers with Magnetic Uncoupling. - Athearn Item 24866, 24869.