Lone Star Machine Works

• Servicing any heavy-load pneumatic or hydraulic cylinders. No size restrictions

• Performing non-destructive inspection, disassembly, repair or rebuild, machining, and reassembly—all done on-site

• Manufacturing of virtually any component from scratch (with supplied drawing or sample part) including rods and pistons—meeting or exceeding OEM specifications.

• Using an automated hydraulic cylinder test stand (5,000 psi, 100 gpm max) for guaranteed performance

Hydraulic Pump & Motor Repair

• We have the experience and expertise necessary for repairing and rebuilding piston, vane and gear type pumps and motors for most any mobile or industrial application.

• Exceptional technical knowledge, state-of-the-art equipment and full in-house machining capabilities, give you a flexible one-stop shop for hydraulic repairs. 

• We can fabricate and source parts the OEM’s no longer supply or support.  Giving us the ability to offer support for not only current models, but obsolete models as well. 

• Our repair support covers most all major manufacturers of components.  Contact us for a free quote for repair

Hydraulic Valve Repair

• A properly functioning valve is key to any hydraulic system.  That’s why you need an experienced team like ours, you can trust to do an expert repair on a component that’s so critical.
• We have the capabilities to repair most all hydraulic valves (including: directional valves, flow control valves, pressure control valves, relief valves, check valves, stack valves) and main control valves found on industrial and mobile equipment. 
• Each repaired valve goes through systematic testing procedures in accordance with OEM specifications before it leaves our facilities.
• We service a large range hydraulic valves from many different manufacturers such as:
  • Abex Denison
  • Denison
  • Drilltech
  • Hagglunds Denison
  • Ingersoll Rand
  • Parker Hannifin
  • Sandvik
  • & More

In-House Machine Shop

• We combine the expertise of highly skilled, dedicated, experienced engineers and machinists with over 20 years of experience. 
• We can define and meet exact customer specification using the latest generation of computer aided design engineering (CAD-CAM) technology as well as the computer numerical controlled (CNC) technology.
• Our proficiency extends to the high precision of turning and milling of all machinable materials.
• Full-service machine shop for repairing and manufacturing: pins, shafts, bushings, bearings and locations, and gears. Plus, we offer full CAD / CAM support using solidworks and mastercam!

  • Pins

  • Shafts

  • Bushings

  • Bearings and Locations

  • Gears

  • And much more!

Welding & Fabrication Service

• Our full range of in-house and portable welding and fabrication capabilities serve all heavy industry, including the growing gas, oil, steel, mining and construction industries.
  • Mig
  • Tig
  • Stick In House or Portable
  • Aluminum
  • Cast Iron or Steel