We have front crankshaft pulleys to fit most of the late model industrial & irrigation engines .They are  manufactured from cast iron or steel, and balanced to the engine manufactureres tolerances.  

300 Ford Pulley Auxiliary Pulley John Deere 4045
Ford Auxiliary Pulleys GM Auxiliary Pulleys John Deere Auxiliary Pulleys
Isuzu Pulley GM Alternator Pulley 2  
 Misc. Auxiliary Pulley  GM Alternator Pulleys
10-SI, 11-SI Delco Remy