One input shaft for a Servis Rhino gearboxes used on SE15 mowers and several others ! Fits center divider box with a down shaft on a three gearbox 15' batwing mower. 1-3/4" X 20 splines at the PTO shaft,  19 splines where both the front and rear gears ride. This shaft measures about 14 inches overall.

Shaft Specifications:

• 14" Overall length

• 1-3/4" diameter with 20 splines at PTO

• 19 straight splines where front gear sits with 50mm diameter

• 19 straight splines where rear gear sits with 50mm diameter

• 49.9mm where both bearings mount

• OEM part