Welcome toHydrauliCircuit Technology

Your #1 Source for Excavator Hydraulic Kits & Front Window Guards

Since 1996

HydrauliCircuit Technology is North America’s largest manufacturer of Field Installation Hydraulic Kits for Excavators. Privately owned since 1996, HCT has been a leader in providing durable, reliable, custom-built, high-quality Excavator Hydraulic Kits and Front Window Guards that are easy to install.

Our Kits and Guards are designed to give you the best performance and value:

  • Bolt-on design for hassle-free installation
  • Pulse MIG Welded tube ends to withstand extreme applications
  • Solid steel clamps for secure mounting of tubes
  • Heavy walled tubing for increased durability
  • Powder-coated finish for corrosion resistance

In addition to these premium features, we stand behind our products by providing you with lifetime product support for every Kit and Front Window Guard purchased!


Industries We Serve


We are your trusted Industry Standard

At HydrauliCircuit Technology, we are more than just a manufacturer of Hydraulic Kits and Front Window Guards.

We are your trusted partner in providing superior engineering, high quality manufacturing, and lifetime support. Our hydraulic kits and guards are based on actual fitments and extensive qualification process, and come with detailed installation manuals that guide you through every step.

We take an innovative approach to new technologies as we continue to grow using processes like digital automated tube bending, phase-pulsed automated welding, powder coating, CNC plasma table, and CNC routing table.

Our sales, parts, and tech support departments are second to none!

We pride ourselves providing exceptional service and strive for customer satisfaction every time.

Put our expertise to work for you!

Contact our experienced application specialists now and see how our products can help you increase the versatility of your fleet.

Offering Kits To Operate

  • Breakers
  • Shears / Crushers / Pulverizers
  • Thumbs
  • Bucket Tilt
  • Combo
  • Multifunctions
  • Grapple
  • Magnets
  • Rotary Brush Cutters
  • Secondary Kits Like Rotation

Why Us?

HydrauliCircuit Technology isn’t just another manufacturing company.

First and foremost, we value building and cultivating personal connections with our customers and team members! These meaningful relationships are why we have been the trusted choice for our customers since 1996, when we first opened our doors! Since then, we have cultivated long-lasting relationships with OEMs and dealers in the US and around the world.

Your success is our success.

Our dedicated team includes several members who have been part of our family for over 10, 15, and 20 plus years. Our team members play a vital role in our customers’ success – and ours! When you partner with HydrauliCircuit Technology, you can always count on our unwavering commitment and outstanding service. Simply put, your success is our success.

Our clientele includes original equipment manufacturers (OEMs), dealers, and end-users across the United States, Canada, Mexico, and South America.

It has been our privilege to cultivate meaningful partnerships with our customers, sharing in their triumphs as they have shared in ours. At HCT, we don’t just deliver hydraulic solutions; we forge lasting connections and contribute to the success of those we serve.


Client Testimonials

  • “We use HCT Window Guards for our Komatsu and Link-Belt lines. They are a great product that fits perfectly to our cabs. The Mesh and the Combo Window Guards not only make our mulcher units safe, but they look great too. I would fully recommend HCT Window Guards for anyone’s machines.”

    Brian B.

  • "HCT’s kit is by far the best and easiest that I have installed! I love HCT kits!"

    Dan M.

  • "You guys are a pleasure to do business with... In a time when we are still experiencing vendor delays and past due shipments, HCT remains consistent through and through. For that, we are grateful, you guys make it easy!"

    Scott U.

  • "HCT Kits are outlasting the equipment. After the attachments fall apart, the HCT kits are still there!"

    Long Term Customer

  • "We ordered and received a HCT kit. It is one of the best damn kits we have ever bought. We had a couple of questions which were answered quickly by the HCT tech support team. In fact, we are going to be ordering another kit for a Cat 321D."

    Glenn F.

  • “Our company relies on HydrauliCircuit Technology as one of their supply sources for hydraulic kits on excavators and tractor loader backhoes. The quality of the components, and the heavy-duty design of their hydraulic kits provides us with just one of the competitive edges that's needed in today's economic climate.”

    William N.

  • “Whenever factory plumbing is not available directly from our manufacturer, we choose to deal with HydrauliCircuit Technology because of their customer service, quick turnaround time on quotes as well as their knowledge of the business, and how important it is to get the job done right the first time.”

    Emil P.

  • “We rely only on HydrauliCircuit Technology for our hydraulic kits. They are custom built for our application and easy to install. Their tech support department is knowledgeable and always ready to support our service department.”

    Phil S.

  • “HydrauliCircuit Technology is our source for hydraulic kits on excavators and backhoes. The high quality and heavy-duty components used in their kits gives us the edge in this tough economy to compete and reduce downtime.”

    Steve C.

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