This Annovi Reverberi Pump XTA3G19N, 3.0GPM @ 1900PSI, 1750RPM (XTA3G19N) is designed for a wide variety of moderate pressure washing applications. It is constructed with a die-cast body and feature a brass head. Internal components include special thick solid ceramic plungers for long life and durability. Precision cast cooling fins are anodized for maximum heat dissipation. Oversized needle bearing on the drive sides and ball bearings on the non-drive side assure proper shaft alignment and maximum life. Valve cages of special designed Ultra-Form impervious to water absorption provide positive seating and extended life. One-piece connecting rods are either a special alloy aluminum or bronze at higher pressures, oversized for strength and load disbursement.