HM-1 Mudpump Reliable. Rugged. The Original. The HM-1 is an inexpensive means of restoring concrete slabs that have settled. This reliable hydraulic pump is the foundation for the development of all other hydraulic pumps. At HMI, w proudly manufacture all of our HM-1 pumps in the U.S.A. If you are a interested in started a new concrete raising business, have just started a concrete raising business, or are looking to add concrete raising as an extended service for your current business, the HM-1 hydraulic mudjacking pump is a cost-effective way to enter the market. HMI | HM-1 Concrete Raising Pump HMI | HM-1 Concrete Raising Pump HMI | HM-1 Concrete Raising Pump HMI | HM-1 Concrete Raising Pump HMI | HM-1 Concrete Raising Pump HMI | HM-1 Concrete Raising Pump Details Specifications Options Good for Business Like Inquiries 9.5 HP Engine In-Frame Reservoir Handlebar Steering 5 cu. ft. Material Hopper 6 ft. Pumping Hose Pumping Handle Pumping Nozzle Specifications HM-1 Pumping Pressure 150-600 psi Pumping Capacity 5 cu. yd./hour Approximate Weight 520 lbs Hopper Height 35 in Height w/Handlebar 48 in Total Width 24 in Overall Length 64 in Material Hopper 5 cu. ft Pumping Stroke 8 in. honed pumping cylinder open-throated piston Tires 13 in. drive tires Propane Attachment Additional Pumping Hose Lengths Available Shotcrete Nozzle Contractors Entrepreneurs Send us a message Interested in learning more about the HM-1 Hydraulic Mudjacking Pump? Let us know! Click here to verify you are not a spambot.* Ready to find out more about how the HM-1 is right for you? Contact us about our HM-1 Mudpump » Learn about our 2-Day Concrete Raising Seminar!