the manufacture of this double axle lock part is intended to act as a front wheel drive. The manufacture of this lock free lock only uses used goods, namely the rear axle cap / cap of the Mitsubishi canter truck and the axle gear or sponge gear.
it's enough to just weld but the center must be straight, so it's done with a lathe. This double axle is often used on extreme terrain, mud, rocks or cliffs, this time it's used to transport palm oil whose location is difficult.