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 7553 the parts list is below. This one fits 1996 6.5L Diesel Chevy and GMC Truck.  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 has the 6589 Drive sheave and 21106 engine bracket.

 Here is a link to the instructions

 7553 1996 6.5L Diesel fisher belt Drive kit electric clutch under hood 7553B