Great Products Build Great Businesses

Since 1944, we have been helping our customers minimize production interruptions and maximize efficiency with the same care and expertise as if it were our own business.

Producing high-quality products and services is challenging and we know how hard it can be to find someone else who wants your business to succeed as much as you do. With industry-respected brands, $8 million of ready-to-ship components and assemblies and 24/7 support, we have the products to keep your business moving forward.

View JHF Product Line

Find Your Sales Representative


The John Henry Foster Company is a full-line fluid power distributor with territories covering parts of Missouri, Illinois and Kentucky and is the Midwest leader in fluid power sales. We have sales representatives stationed throughout our territory who can visit your site and provide hands-on attention to better meet your fluids power needs.

  • Hydraulic system running too hot?? We can help!
    Hydraulic system running too hot?? We can help!
    Sep 9

    Hydraulic system running too hot?? We can help!

    One of the most common, hydraulic systems issues we help our customers troubleshoot is hydraulic systems running too hot. More often than not, this...
  • Helping our Customers Achieve the Incredible
    Helping our Customers Achieve the Incredible
    Aug 4

    Helping our Customers Achieve the Incredible

    At John Henry Foster- St. Louis, we love a good challenge. Helping you- our valued customers, overcome obstacles, improve efficiency, and maximize your overall...
  • Heavy Lifting
    Heavy Lifting
    Jul 28

    Heavy Lifting

    At JHF-St. Louis, partnering with manufacturers and suppliers to solve new challenges, is our passion and our mission. A recent project we completed caught...
  • Festo’s Virtual Tradeshow
    Festo’s Virtual Tradeshow
    Jul 13

    Festo’s Virtual Tradeshow

    Automation For Tomorrow Realize Your Vision For Intelligent Automation Festo North America and John Henry Foster, St. Louis are excited to bring you a...
  • We’re Here for You
    We’re Here for You
    Jun 8

    We’re Here for You

    At John Henry Foster, St. Louis, we are ready to help our valued customers and neighbors get back to work. Things may look a...
  • Press Machinery
    Press Machinery
    Jun 8

    Press Machinery

    From design to manufacturing...and everywhere in between, John Henry Foster offers total support for any project or challenge. Recently, a local manufacturing customer contacted...
  • New Connections and Personnel Protection
    New Connections and Personnel Protection
    May 7

    New Connections and Personnel Protection

    Now more than ever, essential businesses are faced with new challenges and standards. Safeguarding employees and customers has become a priority and adhering to...
  • We Remember and Honor the Life of Ed Clukies- A JHF Legend
    We Remember and Honor the Life of Ed Clukies- A JHF Legend
    May 5

    We Remember and Honor the Life of Ed Clukies- A JHF Legend

    Great people build great businesses. For John Henry Foster Company, truer words have never been spoken. From the company's inception, hiring knowledgeable people- who...
  • JHF’s One-Stop Shop for Online Ordering and Support
    JHF’s One-Stop Shop for Online Ordering and Support
    Apr 29

    JHF’s One-Stop Shop for Online Ordering and Support

    Today's increased demand for high-quality manufacturing calls for a reliable partner to help you overcome production challenges, more efficiently. We're here to help. As...

Blog Archive

  • September 2021
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  • March 2021
  • February 2021
  • January 2021
  • November 2020
  • October 2020
  • September 2020
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  • July 2020
  • June 2020

    • More Properties

        Air Compressors

        Our associates are empowered to perform at the highest level of quality so that we meet and exceed expectations.

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        Value Added

        Our associates are empowered to perform at the highest level of quality so that we meet and exceed expectations.

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        Hydraulic

        Our associates are empowered to perform at the highest level of quality so that we meet and exceed expectations.

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        Tool & Hoist Repair

        Our associates are empowered to perform at the highest level of quality so that we meet and exceed expectations.

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        Units Converter

        Our associates are empowered to perform at the highest level of quality so that we meet and exceed expectations.

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        Get in Touch   Contact Us
        Calculate Driven Sprocket Speed

        Enter Drive Speed, Drive Sprocket Diameter and Driven Sprocket Diameter to calculate Driven Speed

        Get Started
        Calculate Gear Pump Estimated Displacement

        Enter Gear Outside Diameter, Gear Width and Gear Center Distance to calculate Gallons Per Minute (GPM) @ 1200 RPM.

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        Calculate Angled Hydraulic Cylinder PUSH-PULL

        Enter the Cylinder Bore diameter, PSI, Rod Diameter and Angle to calculate PUSH/PULL for a hydraulic cylinder mounted at an angle

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        Calculate Driven Sprocket Diameter

        Enter Drive Speed, Drive Sprocket Diameter and Driven Speed to calculate Driven Sprocket Diameter

        Get Started
        Calculate Hydraulic Cylinder PUSH/PULL

        Enter the Cylinder Bore diameter, PSI and Rod Diameter to calculate PUSH/PULL for a hydraulic cylinder

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        Calculate V-Belt Length

        Enter Pulley Center Distance, Large Pulley Diameter and Other Pulley Diameter to calculate V-Belt Length

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        Calculate Sprocket Drive Speed

        Enter Drive Sprocket Diameter, Driven Speed and Driven Sprocket Diameter to calculate Drive Speed

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        Calculate Vehicle Speed

        Enter the Wheel Outside Diameter (not the rim size) and Axle RPM to calculate Vehicle Speed

        Get Started
        Calculate Reservoir Capacity – Cylindrical

        Enter the Reservoir Diameter and Length or Height to calculate Cylindrical Tank Capacity in cubic inches/gallons

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        Calculate Hydraulic Motor Horsepower

        Enter the GPM and PSI (pressure) to calculate Horsepower

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        Calculate Reservoir Capacity – Rectangle

        Enter the Reservoir Length, Width and Height to calculate Rectangular Tank Capacity in cubic inches/gallons

        Get Started
        Calculate Hydraulic Cylinder Speed

        Enter the Pump GPM, Cylinder Bore diameter, Stroke and Rod Diameter to calculate Cylinder Speed (Do not use fractions)

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        Calculate Input/Exhaust Volumes For Rephasing Cylinders

        Calculate Input/Exhaust Volumes to match the exhaust volume from one cylinder to the input volume of the next cylinder in a series

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        Get in Touch   Contact Us
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