I have a friend(my mower repair man) that has one of these old tractors. He is in need of a head for his tractor so he can finish restoring it.

Tractor looks like this Click image for larger version. 

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This is the head he hasClick image for larger version. 

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It was tried to weld the cast head with stainless. That caused the whole head to have spider cracking all over it.

I tried searching for him but was unable to come up with any parts sources, let alone a head.

Supposedly he says this was imported from Japan way back when. This same engine was used on the David Bradley type 1 wheel tractors they used in the rice feilds.

Any help would be greatly appreciated!