Excavating EquipmentCat Pumps Spline Shaft PumpsCat Pumps offers the trusted performance of the 2565 and 3560 plunger pumps with a direct-mount flange and hollow spline shaft design. This compact solution provides significant space saving for mobile hydroexcavating applications where every inch matters. The 2565T13 mates with SAE B hydraulic motors using a 13-tooth spline shaft, delivers up to 20 gpm at 3,000 psi and is over 7 1/2 inches shorter than the standard bell housing configuration. The 3560T14 and 3560RST14 pair with SAE C hydraulic motors using a 14-tooth spline shaft, producing 20 gpm at 4,000 psi or 25 gpm
