CAT 66DX SERIES PLUNGER PRESSURE WASHER PUMP 1” HOLLOW SHAFT | GAS ENGINE FLANGE 3.5 GPM | 4000 PSI | 3400 RPM | BRASS MANIFOLD INLET: 1/2" FPT | OUTLET: 3/8" FPT *Non stock item / special order Current or past OEM Associations: Cat 66DX40GG1 BE Pressure 85.119.025B