Pump for electrical pressure washer
Under 2000psi; only for electrical pressure washer
7 series, 22 models

Vertical Wobble Pump (Axial Pump)
Under 2700psi, for vertical engine gas pressure washer
5 models

Horizontal Wobble Pump (Axial Pump)
Under 3300psi, for horizontal engine gas pressure washer
7 series, 9 models

Cam Shaft Pump (Triplex Pump)
From 3000psi to 4000psi, for commercial usage.
4 series, 10 models