Driven rear axle with plastic housing shells. Set contains a differential with aluminium and plastic bevel gears. It is very easy to arrange a series of axles by using the articulated shaft set, No. 3621.
Wheel spigot diameter: 4 mm
Wheel driver (hexagon): 8 mm
Track with wheel, No. 34120009: 152 mm
Reduction ratio at differential: 2.9:1
Picture shows axle with ready mounted wheels