hydraulic shop

Hydraulic Repair

Myrmo & Sons, Inc. Hydraulic Sales and Service Department provides a wide range of capabilities to meet the needs of differing industrial hydraulic systems. From hydraulic sales, repair of pumps, motors, valves, and cylinders, our hydraulic department is ready for your hydraulic system requirements. The following is a sample of our services:

Hydraulic Pumps: Inspection and repair of gear, vane, and piston. Permco (Sauer-Sundstrand), Eaton, Rexroth, Vickers, Parker, Cessna, Borg Warner, Barnes, Denison, Dynex/Rivett, Linde, Tyrone, Hydreco, Cross, Gresens, Commercial, Racine, W&I, Von Ruden, and Enerpac.

Motors: Inspection & Repair of gear, pistons, and vane. Permco, Sundstrand, Cyar Lynn, Vickers, Rexroth, Hasslund, Linde, TRW/Ross, SAI, Hydromatik, Rotary Power, Hydrostar, Staffa, Denison, and Von Ruden.

Valves: Directional Control Valves, relief valves, unloading valves, Vickers, Commercial, Greson, Husco, Hydreco, Rexroth, Branel, Cross, Valvoil, Brand, and Allenair.

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Cylinders: Disassembly and repair of all types of hydraulic and pneumatic cylinders. All required parts can be manufactured in-house in our machine shop or from parts inventory. Typical cylinder repairs involve logging industry yarders, shovels, grapples, processors, forwarders, skidders, etc. Construction industry including backhoes, Bobcats, lift trucks, dump beds, boom trucks, road graders, etc. Custom Hoist, Parker, Hydro-line, Miller, Barko, Pierce, Young, Komatsu, CAT, Case, Terdk, Hyco, THS, John Deere, Prince, Commercial, Phelps, Heil, Johnson, Perfection, Peabody-Galion, Cunningham, Ward, Clark, Remco, and Mailhot

Cylinder honing: Inside diameters 2" to 10", lengths to 10 feet. Larger cylinders can also be handled with additional equipment.

Accumulators: Repair and nitrogen charging of bladder and piston style accumulators.

Test Bench Facilities:

  • Test pumps up to 45 gpm.
  • Test hydrostatic drive pump and motor combinations
  • Test cylinder operation
  • Test valve operation

Seals: Parker, Tuf-Trel, Garlock, Hallite, U-seals, O-rings, Pneumatic, Symmetrical U-cups, wipers, Cast iron rings, Chevron Vee, Wearbonds, Quad-rings, Chesterton.