u need a empty game object in unity called dockingNode, and add referenceAttachNode = dockingNode in cfg made 1 and it works so happy docking edit: dockingNode is where it will dock (duhh<me)
i posted a thread about geting animations to play in game see (http://kerbalspaceprogram.com/forum/showthread.php/17514-Animated-Lander-Leg-tutorial) for a tutorial and vid, shuld be the same for landing gear, hope it helps your stuf looks good
just to note most of the parts in my vid i made using wings 3D a easy to use modeling program that exports to .obj files i then import to blender and do the pivot points names ect...