I believe this is a NOS, new old stock Marvel Schebler TSX986 carburetor for an Allis Chalmers forklift or several other applications. It has been sitting on the shelf for many years awaiting a project. It mounts with 2 holes 2 3/8 inches apart on center. Everything moves and functions just as it should and it’s ready to be used with no extra attention. It has a 1 1/8 inch hole where it bolts to the manifold and a 1 3/8 inch intake hole. These original carburetors are quite 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 near perfect 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.