PrintEngine-driven Contractor Pumps Perfect for many pumping applications, from dewatering to water tank and water truck use. Specs/Part #s Approx. Wt. Lbs. Fuel Tank Size Gals. Max. Solid Size Low Oil Shut-Off Suction x Discharge Pump/Impeller Material HP/Engine Part Number 57 .66 1/2" YES 2 x 2 CI/CA 4/Honda MQQP204H 77 .95 3/4" YES 3 x 3 CI/CA 5.5/Honda MQQP303H 145 1.58 3/4" YES 4 x 4 CI/CA 8/Honda MQQP402H