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    Pumps

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      OMAX Charge Pump, 100 GPH, 130 PSI Relief

      SKU: 202015
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      OMAX Charge Pump, 100 GPH, 250 PSI Relief

      SKU: 203021
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      OMAX Charge Pump, 140 GPH, 250 PSI Relief

      SKU: 203899
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      OMAX Charge Pump, 140 GPH, 250 PSI Relief

      SKU: 308011

      1 in stock (can be backordered)

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      OMAX Charge Pump, 165 GPH, 250 PSI Relief

      SKU: 203745

      Available on backorder

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      OMAX Charge Pump, 190 GPH, 250 PSI Relief (OBSOLETE)

      SKU: 203900

      Available on backorder

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      OMAX Check Valve Body

      SKU: 300732

      Out of stock

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      OMAX Check Valve Body, Internal

      SKU: 303251
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      OMAX Check Valve Retainer

      SKU: 308104
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      OMAX Clamped body Assembly, ADO

      SKU: 307457
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      OMAX Coolant Housing Assembly

      SKU: 302981
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      OMAX Coupling

      SKU: 202017
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      OMAX Crank Case Seal (O-ring)

      SKU: 201810
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      OMAX Cylinder Body

      SKU: 300737
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      OMAX Cylinder, High Pressure

      SKU: 308105
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      OMAX Displacer, Liquid, 0.705″

      SKU: 301648-2

      Available on backorder

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    Plumbing (159) Pumps (112) Nozzles (60) Used Products (58) Fittings (54) Straight Line Plumbing (54) Miscellaneous (52) On/Off Assembly (44) Swivels (36) Standard Omax/Maxiem (34) Bent Plumbing (33) Kits (32) A-Jet (28) Enduromax (26) Filters (26) On/Off Valve (17) Tilt-A-Jet (17) Solids Removal Systems (16) Tubing (16) Terrain Follower (16) Slats (13) ADO (13) Tools (12) Hopper (11) Dump Valve (8) Lubricants (7) Goose-Neck (7) Uncategorized (5) Coil Line (4)

    You can count on us to be your industry solutions expert.

    Zimmerman McDonald Machinery

    • Corporate Email: ZimSales@ZimmermanMcDonald.com
    • St. Louis, MO Corporate Office
      1843 Lackland Hill Parkway
      St. Louis, MO 63146

      Phone: (314) 291-9360
      Fax: (314) 291-2981

      Hours 8:00 a.m. – 5:00 p.m

    • Springfield, MO Office
      3107-K East Chestnut Expressway
      Springfield, MO 65802

      Phone: (417) 862-4180
      Fax: (417) 862-6336

    Our Promise

    You can count on us to act as your industry solutions expert to support your requirements for both used and new machine tools, or custom solutions for your manufacturing needs.

    Should you have any questions, need any additional information, or would like to schedule service, please call our office, or email us.

    Thank you and we appreciate the opportunity to work together.

    Brad Zimmerman
    President

    Location: St. Louis, MO

    Location: Springfield, MO

    Copyright © 2024 - 2026, Zimmerman McDonald Machinery, Inc. • All Rights Reserved

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    Over 130 Years delivering excellence

    Over 130 Years delivering excellence

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    • Dedicated Support
      • OMAX Waterjet Service
      • Preventative Maintenance
      • Remote Service
    • Contact Us

    Contact Info

    St. Louis, MO Corporate Office
    1843 Lackland Hill Parkway
    St. Louis, MO 63146

    Phone: (314) 291-9360

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