Outputs from 50 to 90 cubic yards per hour. These Ultra High-Performance Pumps are used for the most extreme concrete pumping, high rise building construction, geotechnical grouting, long distance horizontal concrete line pumping, tunnel construction, structural wall construction, parking garage construction, concrete wall construction, concrete dome and storage tank construction, and the world's highest-volume shotcrete projects. They feature smooth-running "Closed-Loop" Hydraulic Systems, 6-cylinder Cummins Diesel Engines (160-220hp), High Concrete Pressures (up to 2000 psi), REED Programmable Logic Controller, twin-axles, twin-shift cylinders, heavy-duty "S-Valves", reinforced High-Pressure Hoppers (C50S and C50SS), and Harsh-Mix Hoppers (C70S, C70SS and C90S).
"Rockmaster" pumps are economical 30 or 40 cubic yard per hour concrete pumps, capable of pumping harsh pea gravel mixes, blend mixes, low volume shotcrete, "high early state concrete mixes" even "big rock" concrete. A Series Pumps offer the best value on the market today for their horsepower, pressure, and volume for the dollar.
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Outputs from 20 to 70 cubic yards per hour. Commonly used for pumping concrete, shotcrete, drilling and grouting, refractory spraying and caisson construction. These pumps feature Cummins Diesel Engines, Variable Displacement Hydraulic Pumps, heavy-duty "S-Valves", "Open-Loop" hydraulic systems, REED Programmable Logic Controller Cycling and the strongest trailer in the industry.