Used IH T9, TD9 tractor belt pulley gear box.
Requires a PTO (power take off)on dozer to drive belt pulley.
Mounting bolt holes 7-1/4 at the top mounting holes center to center, 5 at bottom, 4 between top and bottom.
Belt pulley wheel is missing and is not included.
Casting number on housing is 8390db, book part number is 53693da.
Seals and bearings are used and may need to be replaced.
Splines for belt pulley are 1-1/2 diameter.