Monarch Hydraulics, a leading manufacturer of hydraulic pumps, 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 pumps 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 power units and parts and ship most orders within 24 hours. Call our expert hydraulic sales staff today for pricing and availability.

Replacement I-Pumps
We have low flow I-pumps and jackshafts in stock. A jackshaft is required for operation and specific for use with AC, 3” DC, and 4.5” DC motors. A replacement Q-pump may also be available for larger I-pump gear sizes. Call our sales staff with questions or to place an order.

Can’t Find a Part Number?
A three-digit part number should be engraved on the back of the pump. Removing the reservoir will expose the pump for viewing.

Installation Guide
If you have any questions, please feel free to contact our technical department for assistance.