Disney Car Toys presents Cars 2 Lego Mack Truck assembly. How to assemble the Disney Pixar Cars 2 Lego Mack Truck # 8486 Macks Team Truck. This Lego Mack truck has three main pieces, the trucks cab, the trucks trailer and Lightning McQueen. This Lego hauler even opens up three ways, through the roof, side and back door. The details on this truck are stickers and there are over 700 pieces to this Lego.