Dayco Belt, part number 5-8113. 1/2″ x 46. ” Fits 100KW Generator model PU-495. Interchanges w/ Bosch Rexroth 201-12780. Rated for extreme cold temperature. Military Spec. 3030-00-936-7175 Features MRC Parameter Characteristics ADZK Strengthening Feature Polyester cord AGLD Performance Type Standard capacity AKGE Cross-Sectional Size Sae 1/2 AKGJ Nominal Effective Outside Length 46.000 inches FEAT Special Features Low temperature requirement, minus 65 degrees fahrenheit MATT Material Fiber body and rubber body and fiber synthetic body and rubber chloroprene class cr body and rubber synthetic body STYL Style Designator Cog or notched ZZZX Departure From Cited Designator As modified by strengthening feature L4A9 10324