Application : Briggs & Stratton 14HP Horizontal / Vertical , 16HP Horizontal, 18HP Horizontal 

Replaces OEM Briggs and Sratton 393017, 394674, 394808, 497596; John Deere AM38984, AM39287

Description : 12V, CCW, PMGR, #teeth : 16, Gear OD: 40.6mm / 1.598"
Mounting Hole
#1: 9.5mm ID Unthreaded
#1: 8.5mm ID Unthreaded
#2: 8.5mm ID Unthreaded
Weight : 5.18 lbs / 2.35 kg Light Duty Version