This is an 8½" x 11" reproduction of the original layout drawing for a no. 566-250 Coupler Truck and Lead Assembly.  It outlines all the part numbers for the sub assemblies.  This truck and coupler was late issue with the half circle cut-out on the bottom frame assembly.  A great document for truck and coupler research.

Perfect to frame and hang in your train room.

Note:  The actual drawing will not have the Project Roar watermark shown on the picture at left.  A Project Roar authentic hologram is provided to ensure authenticity.