Hydraulic Hose, Fittings, & Custom Crimping Services

The Importance of High-Pressure Hose Assemblies

Hydraulic hoses are the lifelines of your heavy machinery and industrial equipment, moving high-pressure hydraulic fluids between components like cylinders, valves, and pumps. Hydraulic fittings connect these hoses securely, controlling and directing fluid flow while safely maintaining pressure and preventing catastrophic leakages.


Choosing the correct hose and fitting combination is critical. At Kelliher Machine Works, we don't just supply parts; we custom fabricate complete, high-performance hose assemblies designed to meet the extreme demands of your application.

high pressure hose assemblies

Custom Hydraulic Hose Assemblies in Yolo County

A hydraulic hose assembly is a specialized component, typically constructed from flexible rubber and wire reinforcement layers, designed to move high-pressure fluid. In high-demand systems, like those found on water well drill rigs and heavy construction equipment, these assemblies must be fortified to handle high operating pressures.


Our hoses are engineered to be flexible enough to navigate tight spaces, isolate vibrations, and endure demanding operational conditions.

custom hydraulic hose assemblies

When you team up with Kelliher Machine Works, you benefit from:

Expert Consultation

We ensure the dimensions, performance specifications, and construction options are perfectly matched to your fluid type and pressure requirements.

Quick Turnaround

We understand that downtime is costly. Our on-site fabrication and large inventory ensure we can get your equipment back to work fast.

Precision Fabrication

With the expert eye of machinists who have Over 40 Years of Experience in the trade, your hose assembly is guaranteed to be built to your unique specifications.

The Right Fittings for the Job: Permanent & Crimp Fittings

Hose fittings and couplings are the crucial connection points, available in various materials including steel, brass, stainless steel, and aluminum. Since hydraulic hoses transport oil under intense pressure, the fittings must be durable enough to withstand the load.

hydraulic hose fittings

At Kelliher Machine Works, we specialize in reliable, long-lasting connections:

  • Permanent Hydraulic Hose Fittings (Crimping)

    This is the most reliable and common type of fitting, attached to a hydraulic hose using a high-precision crimping machine. As part of our comprehensive Hydraulic Hose Fabrication service, we utilize modern crimp fittings because they offer superior reliability, are highly durable, and allow for quick and easy attachment by our technicians. This is the standard for new assemblies and replacements on critical equipment.

  • Reusable Hydraulic Hose Fittings

    While less common today, reusable fittings are available for situations where a technician may not have access to a hose crimper on-site, offering a temporary or specialty solution.

  • Quick Couplers

    We stock and supply a wide diversity of quick couplers, which are designed for fast and easy connection and disconnection. These fittings (male and female sides) are typically mounted onto a permanent hose fitting, allowing for rapid component swaps without threading or bolting. We carry a range of options suitable for everything from air lines to high-pressure hydraulic systems.

Industrial Hose Solutions

While we are specialists in high-pressure hydraulic assemblies for drill rigs and heavy equipment, Kelliher Machine Works also services and supplies industrial hoses used across various sectors, including manufacturing, agriculture, and construction.


Industrial hoses have a diverse range of applications, differing from hydraulic hoses in the fluids they transfer and their size and connection types. We have the capability to meet specific requirements for applications needing:

abrasion resistence
Abrasion Resistence
abrasion resistence
Heat or Moisture Resistence
abrasion resistence
Chemical Compatibility
abrasion resistence
Specific Pressure Ratings (low or high)

Need Help Choosing the Proper Hose and Fittings?

kellliher cowden hydraulic services

Building a reliable hydraulic system that minimizes downtime requires careful consideration of every detail, particularly the selection and fabrication of hoses and fittings.


As a division of Kelliher Machine Works, our dedicated team has the expertise and state-of-the-art equipment—including our large-capacity machining tools—to support your project from start to finish. We are happy to provide products, services, and solutions for even the most complex hydraulic systems, whether you are repairing a component or building a new assembly.


Located in Brooks, CA, and proudly serving Yolo County, including Woodland, Davis, Winters, and the surrounding Northern California region, we are your local experts.


Don't hesitate to contact us today for an estimate or to learn more about our custom hydraulic hose fabrication services.