Diamond Tool Store Logo

This site has limited support for your browser. We recommend switching to Edge, Chrome, Safari, or Firefox.

Need Help? Contact Us: +1 (800) 342-3876

MQD3H Diaphragm Pump utilize a positive displacement design to effectively move high viscosity liquids, sludge, and general heavy debris laden fluids

3" Diaphragm Pump, 90 GPM, 50 ft MAX Head; Honda GX120

MQ diaphragm pumps utilize a positive displacement design to effectively move high viscosity liquids, sludge, and general heavy debris laden fluids. Their simple reciprocating dynamics provide the force to successfully operate in the most demanding applications.

  • Ideal for muddy water, high solid content.
  • Handles 1 5/8" solids.
  • For fluids up to 180° F.
  • Pumps up to 90 gallons (342 liters) per minute.
  • Maximum lift of 25 feet (7.6 meters).
  • Powered by a Honda GX120 3.5HP gasoline engine.
  • Enclosed gears with oil bath lubrication.
  • Integrated wheel kit assembly for ease of transportaion.
Unit Specifications
Suction x Discharge 3 x 3 in
76 x 76 mm
Max. Water Capacity 90 gpm 322 lpm
Max. Lift 25 ft 7.6 m
Max. Head 50 ft 15 m
Fuel Tank Capacity 2.1 qt 2 L
Optional Wheel Kit Wheel Kit included with pump
Dimensions & Weights
Overall Length 29.0 in 737 mm
Overall Width 22.0 in 559 mm
Overall Height 23.0 in 584 mm
Operating Weight 175 lb 79 kg
Notice: Features and equipment specifications are subject to change without notice.