This is a very hard to find original Zenith 6212-DB carburetor for an International Harvester McCormick or Farmall H, HV, W4, I4, O4, OS4 tractor or power unit. It may also have other applications including so please do your homework to be sure it fits your application. It is fresh from an old collector’s estate where it lived in retirement for many years. It seems to be in good, used condition with no cracks, breaks, or repairs of any kind that I can see or know of. The throttle shaft moves as it should with very little noticeable wear. The choke shaft does as well. It mounts with two holes 2 3/8 inches apart on center. The hole where it mounts is 1 3/16 inches in diameter and the intake hole is 1 1/2 inches in diameter. After a little cleaning and possibly some new gaskets this should make a nice, usable carburestor. These original carburetors are pretty tough to find in the wild or even at swap meets so if you’ve been looking for one for an authentic restoration here’s a very solid one. Let the pictures be your guide. I can always be reached at 262 573 193 1 if you’d like to talk about it.