Here are one of the Rare Fisher Belt drive kits. These engine driven plow pumps are getting very hard to find. This is the mounting kit only it does not come with the pump all you get is what is in the pictures. The kit # is 7530 the parts list is below. This one fits Ford 1987 and newer 5.0 and 5.8 L engines with and with out AC.  This is for the Minute mount plows was meant to be used with the pump with the external tank and electric clutch and the electric valve body. This kit includes Drive sheave 5786 and pump bracket 8838.

Here is a link to the instructions

7530 1987+ Ford 5.0L 5.8L V8 belt drive electric clutch kit 7530C

7530C Electric Clutch Peculiar Hydraulic Kit