48854 BELT, PUMP DRIVE FITS SCAG ZERO TURN MOWER MODEL: HYDRO STHM (THREE WHEEL RIDER W/SN 40000&gt;) 48854 BELT, PUMP DRIVE FITS SCAG ZERO TURN MOWER MODEL: HYDRO STHM (THREE WHEEL RIDER W/SN 40000&gt;) Dim A (1) 1/2" X 42.875" (1089) REL Dim B (2) KEVLAR Product material: Kevlar