134 engine water pump differences

markct

Well-known Member
I have a Ford 671 engine that I am putting into a different tractor. In the past someone mounted the fan with long bolts and little pipe spacers like 2 inch long, looks kinda scary. So before I put it to work I was going to fix this. But I'm not sure what it should have. I see our naa has a sheetmetal hub that the fan mounts by, and I see pictures of water pumps on eBay of different varieties, some a long extension made right onto the pulley, others just a flat flange like an automotive water pump. What was on what originally????
 
So I guess it could have been made with either I just need to find a fan and spacer to match now
 
Ok well after some investigation and comparing I found someone put a naa water pump on it, has a belt groove that's too wide and a cast pulley pressed on and no fan extension. So I ordered a proper pump and will save the other for a spare for one of our naa tractors
 

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