Monarch Hydraulics, a leading manufacturer of hydraulic AC power units, operated for over 150 years until being acquired by Bucher Hydraulics in 2007. Bucher, an internationally known leader in the manufacture of mobile and industrial hydraulics, continues to offer the same high-quality hydraulic AC power units from the Monarch Series.

Largest Monarch Distributor
Mason Dynamics is the largest stocking Monarch Hydraulics distributor in North America. We maintain a massive inventory of AC power units and parts and ship most orders within 24 hours. Call our expert hydraulic sales staff today for pricing and availability.

Expert Support
No one knows Monarch AC power systems like Mason Dynamics. For over 40 years, Mason was the exclusive warranty repair facility for all Monarch products. Plus, our veteran staff has over 300 years of combined hydraulic experience. When you buy from Mason, you’re getting a superior American made product and a staff that’s dedicated to offering the best technical service and support in the industry.

Custom Power Units
Mason Dynamics has the inventory and experience to deliver on custom AC power unit requests. Our massive inventory of motors, pumps, reservoirs, and manifolds, allows us to build a multitude of power unit variations. For greater customization, our hydraulic experts can fabricate reservoirs and mounts, design custom manifolds, and integrate accessories like accumulators, pressure switches and battery chargers. Call us today to make the switch to a superior hydraulic supplier.

Hydraulic Power Unit Repair
For power unit repair, please call for a repair order number and our expert technicians will diagnose your system.