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About Hydraulic Technologies

A Global Leader

Hydraulic Technologies is a global leader in the manufacturing of high-pressure hydraulic pumps, tools, shop equipment, workholding automation, and railway track systems. Our renowned product brands — Power Team, Bolting Systems, Stone, Hytec Workholding, Posi Lock, and Rail Systems — are synonymous with safety, quality, reliability, and innovation.

Headquartered in Rockford, Illinois, Hydraulic Technologies stands as a premier designer, engineer, and manufacturer of high-pressure hydraulic tools and equipment. With over 90 years of expertise, Hydraulic Technologies serves critical industries such as infrastructure, manufacturing, and rail, delivering essential solutions for various industrial markets.

Brands Overview:

For decades, Power Team has been synonymous with safety and reliability in high-pressure hydraulic tools. Its extensive portfolio includes hydraulic pumps, cylinders, heavy lifting equipment, and system components. Power Team products cater to diverse sectors including construction, automotive assembly, mining, and industrial processing. The brand offers robust equipment designed to endure rigorous industrial applications, complemented by repair services and on-site safety training.

Posi Lock has been a trusted name for over 40 years, offering manual and hydraulic pullers, specialty tools, and vises through global distributors. Known for convenience and safety, Posi Lock products are designed to meet professional demands worldwide.

With a legacy spanning generations, Stone specializes in powerful, compact, and energy-efficient industrial solutions. Its Pick-A-Pack product range allows for modular customization, tailored to precise technical and budgetary requirements. Stone's application engineering team provides comprehensive customer support, ensuring optimal performance across its diverse product line.

As a global leader in controlled bolting solutions, Bolting Systems delivers hydraulic torque and tensioning systems alongside certified training programs and flexible rental options. With strategic service centers worldwide, Bolting Systems ensures prompt support, maintenance, and calibration services, emphasizing long-term partnerships and operational efficiency.

Rail Systems enhances network efficiency and safety with innovative hydraulic and electro-mechanical solutions for railway points and level crossing barriers. Built-in condition monitoring technology enables proactive maintenance, contributing to uninterrupted rail operations even under challenging environmental conditions.
Hytec Workholding offers a comprehensive lineup of clamps, work supports, precision cylinders, valves, palletized systems, and pumps designed for stability and productivity in machining applications. The brand's solutions ensure superior product quality while maintaining consistent pressure levels, meeting the demands of varied industrial systems.
Hydraulic Technologies, through its six brands, remains committed to delivering robust, tailored solutions that enhance operational efficiency, safety, and reliability across global industries. With a focus on innovation, customer support, and product excellence, Hydraulic Technologies continues to lead in the high-pressure hydraulic tools market.

Our Mission

“To Advance the World by Delivering Safety Critical, Best–in-Class Hydraulic Tools and Equipment across Industry Markets.”

Hydraulic Technologies Solutions for Industry

Our History

Our journey began in 1925 with the founding of Owatonna Tool Corporation, specializing in gear pullers and specialty hand tools. Over the decades, we have expanded and evolved through strategic acquisitions and innovative product developments.


Founding of Owatonna Tool Corp., specializing in gear pullers and specialty hand tools 


Smith's Jacking Systems installs the first hydraulic power pack developed in conjunction with British Railways


Inception of Stone Hydraulics later to become Fenner Fluid Power


SPX (under Piston Ring Company) acquires OTC with the Power Team® brand


SPX acquires Fenner Fluid Power, renames to SPX Fluid Power and consolidates world headquarters in Rockford, IL


SPX acquires Smiths Industries Hydraulics Company and forms SPX FLOW Rail Systems


Name changed to SPX Hydraulic Technologies


SPX acquires Torque Tension Systems in the UK, forming Bolting Systems brand 


SPX FLOW spin off from SPX which includes Hydraulic Technologies 


Hydraulic Technologies acquires Posi Lock assets


Lone Star completes acquisition of SPX FLOW


Wynnchurch completes acquisition of Hydraulic Technologies


Global Presence

Headquartered in Rockford, Illinois, USA, we serve customers worldwide with sales distribution centers, rental service centers and manufacturing locations in the Netherlands, China, India, Singapore, Australia, and the United Kingdom. This extensive global presence allows us to meet the diverse needs of our clients, providing top-tier products and exceptional customer service.

Commitment to Excellence

At Hydraulic Technologies, we are committed to innovation, quality, and customer satisfaction. Our products are designed to meet the highest standards of performance and durability, ensuring that we remain at the forefront of the hydraulic industry. As part of Wynnchurch Capital, we continue to leverage our heritage of excellence to deliver solutions that drive efficiency and productivity for our customers around the globe.

Who We Are

  • 100

    Sold-To Countries

  • 300


  • 70000


  • 8

    Distribution Centers

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