This is a 3/4-11 Spline Ford PTO pump. It will fit 245FMKSP-B2XP PTO. The CGP-P11 series pumps can be ran on 4X4 or 4X2 vehicles. It is a 20.4 HP pump. It has a 3480 PSI intermittent pressure rating and a 3410 PSI continuous pressure rating. Max pump speed is rated at 1850 RPM with the max engine speed rated at 1201 RPM. The max pump flow is rated at 10.3 GPM.