SP 2600 CF Airslide "Early" Covered Hopper #403002 - Accurate Replica Based on Original Drawings, Paint & Lettering Recreated from Photos, Drawings, & Field Research, Appropriately Weighted to Assure Smooth Operation, Wheel Flanges Compatible with Code 55 Track,McHenry Knuckle-Spring Couplers with Magnetic Uncoupling. - Athearn Item # ATH23995.