Athearn N ACF 2970 Covered Hopper, ACF Demo #44503** Maxx 4S (89076 4) Upgrade Parts 2 Aileron 1 Flap Front Shocks 2 Aileron 1 Flap but bolts into the same space with almost no extra weight MODEL FEATURES:Fully assembled and ready for your layoutPhoto etched roof walksSeparately applied wire grab irons and brake pipingDetailed underbodyRazor sharp painting and printingMcHenry knuckle spring coupler installed (body mounted)Packed in a jewel casePRIMED FOR GRIME MODELS FEATUREDuplicated look and feel of "In Service" equipmentFaded base colors matched to the prototypePerfect starting point for adding grime and rustSpecificationsCOUPLER STYLE: McHenry Scale KnuckleMinimum Age Recommendation: 14 yearsIs Assembly Required: No