1-3/8" spline female PTO shaft kits (9910-KIT1704, 9910-KIT1708 & 9910-KIT2204) for pump models 9910-D50, 9910-D30, 9910-D303, 9910-D403, 9910-D70, 9910-D115, 9910-D503, 9910-D813, 9910-D1064 and 9910-D1265.