A Hydraulex Company Hydraulex Group

Who We Are

Hydraulex is a family of Attica Hydraulic Exchange, Flint Hydrostatics, Hydraulic Repair and Design and Metaris Hydraulics. With our combined expertise, capabilities, and inventories - we have the largest offering in the industry of remanufactured, aftermarket, and OEM hydraulic components and parts.
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What We Do

We provide hydraulic components & repair services for industrial applications like paper mills, saw mills, steel mills, recycling plants, oil & gas applications and mobile applications, including construction, utility, mining, agricultural and marine equipment. This includes hydraulic pumps, motors, valves, servo/prop valves, PTOs, cylinders & parts.

New Units

Reman Units

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Our Mission

From supplying new components, to repairs, to remanufacturing, our one-stop shop motto has become a truly accurate description that reflects our passion and mission for the hydraulics industry and our customers.

  • Create a one-stop shop of quality products for all your hydraulic needs
  • Offer a vast product offering with widespread manufacturer support and on-the-shelf availability
  • Provide the fastest possible turnaround and delivery - serving your immediate hydraulic needs
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Metaris MMH Series Low Speed High Torque Motor

Metaris MMH Series Orbital Motor

Genuine Metaris MMH series motors are spool valve motors that can be used in parallel or series configurations. MMH series orbital motors are available in 7 different displacement sizes with a diverse offering of mounting flanges, shaft configurations and porting options. Form & function replacements for common motors in the market today such as Eaton®/Char-Lynn®, Danfoss®, Parker® and White®.

View specifications below under the 'Specifications' tab or visit www.orbitalmotors.net for more information. And please don't hesitate to contact us by email or phone if you have any quesitons or want to crossover your current motor with a Metaris motor.

  • Suitable for a variety of applications
  • Multiple displacements and options available
  • Spool valve distribution type
  • High efficiency shaft bearing
  • Variety of Mounting Flange and Shaft Options
  • Alternatives for Eaton®/Char-Lynn®, Danfoss®, Parker®, White® and more

Crossover Your Current Motor

Contact Us for Pricing and Availability

Metaris Aftermarket MMH Series Orbital Motors

Your Best Low Speed High Torque Motor Option

  • Advanced Roller-Star technology, requiring lower pressure at start-up and providing smoother operation at all speeds
  • High efficiency shaft bearing, which allows higher pressure, speed and radial force
  • 7 different displacement sizes available
  • High pressure shaft seal, which allows for higher back pressures and an increased ability to handle high pressure spike conditions
  • Pressures up to 2500 psi
  • Speeds up to 360 rpm
  • Multiple porting options
  • Internal integrated check valve, which limits case pressure by blocking the high pressure port side and allowing the motor housing to drain into the outlet (low pressure) port
  • Alternatives for Eaton®/Char-Lynn®, Danfoss®, Parker®, White® and more

MMH Specifications

Model Code (Disp.) Displacement
(in³ / cm³)		 Max RPM Flow
(gpm / lpm)		 Pressure
(PSI / bar)
01 12.2 / 200 360 21.1 / 80 2538 / 175
02 15.0 / 245 320 21.1 / 80 2538 / 175
03 18.9 / 310 250 21.1 / 80 2538 / 175
04 23.8 / 390 200 21.1 / 80 2248 / 155
05 29.9 / 490 156 21.1 / 80 1813 / 125
06 38.4 / 630 120 21.1 / 80 1813 / 125
07 48.8 / 800 100 21.1 / 80 1450 / 100

Values given are based on Continuous operation parameters. Intermittent values are available in the technical catalog.

Metaris MMH Series Model Code Breakdown

MMH Series Orbital Motor Model Code Breakdown

Highlighted Literature

Cross-referenced parts from the Original Equipment Manufacturer "OEM" are listed for information purposes only. Trademarks identifying these parts for cross-reference are those of each OEM and are the property of their owners and are not used, or authorized for use, by Metaris or Hydraulex Global or its affiliates. Neither Metaris nor Hydraulex Global are affiliated with the Original Equipment Manufacturer "OEM" or licensed or authorized to produce parts for the OEM.

Have a question or want to request a quote?

Please don't hesitate to contact us if you have a question, want to request a quote, or are looking for pricing and availability. We're here to help.

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Phone: 1.800.962.2703
Fax: 601.469.2120
Email: sales@metarisusa.com

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