SPECIFICATIONS Model MSS3618HDL5 MSS4018HDL5 MSS4518HDL5 MSS5018HDL5 MSS5518HDL5 Max Pressure* 5000 3900 3050 2470 2000 Max Flow 35.9 44.4 56.3 69.5 84.0 100.2 98.0 Max RPM (Input) 1800 104.7 101.0 100.2 Inlet Port (2) 2-1/2” NPT-F Outlet Port (2) 1-1/4” NPT-F Input Shaft Configuration Hollow SAE J744 Splined 14-Tooth Options Drain Valve Kit (p/n F208006920) Please Note: Kit contains three complete assemblies *Pressure ratings are for intermittant duty only.