TerraSource Global Design and Manufacturer of Materials Handling Equipment and Systems

Three long-standing, respected brands – Gundlach Crushers, Jeffrey Rader and Pennsylvania Crusher – came together to form TerraSource Global in 2012.

Our unified company provides robust and integrated in-house capabilities to ensure a superior customer experience: a large and diverse portfolio of proven, high-quality equipment and precision OEM parts, the capability to deliver the right technical expertise and guidance for any circumstance, and a focused and continuing commitment to prompt response and the utmost professionalism.

Renewable power

TerraSource Global’s Jeffrey Rader sizing and feeding equipment lines are specially designed for difficult-to-handle fuels and applications associated with biomass energy and co-generation plants.

Over the last 25 years, we’ve supplied thousands of pieces of equipment and multiple systems to leading boiler companies and major power producers around the world.

Coal-fired power

The available choices across our broad product portfolio have made TerraSource Global a preferred equipment provider to more than 1,000 coal-fired electric utility installations around the world.

Common applications include pre-crushing and feeding pulverisers for fuel boilers or as the final crusher in fluid bed or cyclone boilers when product size is crucial. Our crushers are able to handle all types and grades of coals and a wide variety of fuel in addition to coal, including petroleum coke and waste coals.

Wide variety of critical sizing and handling machines for the power sector

For decades, companies in the power sector have trusted TerraSource’s equipment brands to handle their most critical sizing and handling needs. Our portfolio includes the following types of precision equipment:

  • Screening and processing
  • Size reduction
  • Material handling
  • Storage and reclaim
  • Pneumatics
  • Vibratory feeding

TerraSource screening and processing equipment and systems are used for bark, construction and demolition waste, refuse derived fuel (RDF) and other materials that must be fractioned, separated and cleaned of rocks, metal and sand.

We offer durable, high-performance products built to withstand the rigours of processing facilities and crushers, hammer-mills, shredders, wood hogs, re-chippers and the razorback hammer-mill. Our machines efficiently reduce the size of friable material such as wood, coal, limestone, metal turnings, and waste materials to a specified size using vertical or horizontal configurations.

Complete material handling systems

TerraSource Global frequently designs and assembles complete material handling systems to meet end-product specifications. These systems include boiler feed, resource recovery, recycling, rail loading and unloading, as well as truck loading and unloading.

For complete ash handling and chip handling, boiler feed and truck / rail / ship unloading systems, we can seamlessly integrate our truck dumpers, screw conveyors, drag chains, and belt conveyors.

Storage and reclaim services for energy facilities

If you need to stack-out, store, and reclaim your wood chips, bark, hog fuel, biomass and RDF products, TerraSource Global manufactures the equipment and designs the systems to meet the unique needs of your operation.

Whether it’s open or closed storage, we have the right solution for you:

  • Open pile
  • Bins
  • Day bins
  • Metering bins
  • A-frames
  • Silos

TerraSource also offers complete reclaim systems such as travelling linear screws, circular screws, stokers, and cone bottom screw reclaimers.

High-pressure pneumatic conveying systems

Our Jeffrey Rader brand of equipment was founded on pneumatics and today it’s still considered a leading brand for high-pressure pneumatic conveying system design and application. Jeffrey Rader has more than 50 years of expertise and has made 10,000 installations in pulp and paper mills worldwide. The company has the application knowledge to plan and construct pneumatic conveying systems.

Jeffrey Rader-brand pneumatic conveying equipment includes rotary airlock feeders, mark III elbow, model E cyclone, blowers, and pneumatic conveying components such as valves, tee injectors, diverter valves, target boxes, deflectors, and silencers. Our pneumatic conveying systems include high and low-pressure systems, fuel feed, digester charging, vacuum conveying, and dust control.

Low-maintenance vibratory feeding equipment

With its unique low-maintenance design and positive drive components, Jeffrey Rader brand electromagnetic and electromechanical vibrating feeders offer our customers a variety of durable, energy-efficient feeding options that are well-suited for multiple industry applications.

TerraSource Global’s Pennsylvania Crusher brand Posimetric® feeders provide reliable and consistent feeding while eliminating fugitive dust, increasing safety in environments such as power plants and cement plants. The positive displacement feeder is unique and is a valuable innovation in feeder technology. The genius of this concept lies in the way it takes advantage of the bridges that bulk solid materials tend to form.

About us

TerraSource Global is headquartered in St Louis, Missouri, US, and has sales, engineering, testing and assembly locations around the world.

We have regional sales representatives stationed across six continents to provide a local service to the 90+ countries containing facilities using our equipment.

Our sales managers, service representatives and engineers work in tandem with our customers to assess their project requirements, equipment and system needs, timeframes, and budgets.

TerraSource provides its customers with a solid partnership and understands their individual application requirements and can deliver solutions to drive long-term business success.

TerraSource Global’s comprehensive demonstration and testing centre in Duncan, South Carolina, US, enables our team to quickly and thoroughly evaluate material-test data and recommend the right solution options for our customers. In turn, customers can use this information to make informed decisions about the types of equipment they need to meet specific operational requirements.

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Press Release

TerraSource Presents Notable Mention Award to Intrepid Potash

Last week, TerraSource visited Intrepid Potash’s New Mexico site to present the Notable Mention Award to James Suubam, James Estrada and the Intrepid team.

Product and Services
White Papers

Duralife Premium Hammers for Optimised Wear Resistance

TerraSource is providing our mining and power customers with even more choices to meet the growing competitive demands of their operations.

TerraSource Global Headquarters

100 N Broadway

Suite 1600

Saint Louis



United States of America

+1 855 483 7721 www.terrasource.com

TerraSource Global Images

Press Release

5 September 2019

Last week, TerraSource visited Intrepid Potash’s New Mexico site to present the Notable Mention Award to James Suubam, James Estrada and the Intrepid team.

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21 August 2019

TerraSource has expanded its cutting-edge OEM rebuilds and retrofit programme.

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16 May 2019

TerraSource has rebuilt a Gundlach Multi-Roll Crusher for a power company.

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25 April 2019

Our Pennsylvania Crusher TKK Koal-King® Granulator continues to be the most widely used granulator in the world and is recognised for its superior performance.

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17 April 2019

TerraSource Global has produced a Jeffrey Rader Wood Hog, following an urgent request from a power industry customer in the Czech Republic.

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21 March 2019

Our industry-leading crushers such as the Pennsylvania Crusher Reversible Impactor, generate fewer fines and consumes less horsepower per tonne than hammermills.

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14 March 2019

TerraSource Global's Jeffrey Radar Centroload™ Feeders provide improved liner wear for your crushers, 15%-20% higher production rates, and more uniform distribution in power operations.

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6 February 2019

TerraSource will be attending MOTAG South this week on 6, 7 and 8 February, in Atlanta, US.

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24 January 2019

TerraSource Global has developed a Cage-Paktor Cage Mill, which is ready to ship to a company in Indiana, US.

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21 December 2017

TerraSource Global®, a recognised global leader in material handling and sizing solutions for the power and energy market, continues to leverage the strength of its industry-leading brands (Jeffrey Rader, Gundlach, and Pennsylvania Crusher) and over 140 years of broad application expertise to deliver on its mission to help power, feed and build the world.

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20 February 2013

Jeffrey Rader has released a white paper entitled 'Biomass Material Handling: Systems & Equipment'.

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29 January 2013

On November 12, 2012 the US office of Jeffrey Rader, a division of TerraSource™ Global, relocated from Woodruff, SC to Hillside Park in Duncan, SC.

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11 September 2012

Jeffrey Rader will be attending MineExpo International later this month.

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10 September 2012

Jeffrey Rader Corporation has been awarded a significant contract to supply a complete biomass fuel material handling system to GEMMA Power Systems, LLC for the ETEC Woodville Renewable Power project in Woodville, TX.

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9 September 2012

Gundlach Equipment Corporation, Jeffrey Rader Corporation and Pennsylvania Crusher Corporation, industry leaders in material handling and size reduction equipment, are proud to announce the unification of the three brands into one organisation.

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9 May 2012

Jeffrey Rader Corporation has been awarded a contract to supply a boiler feed metering system to Burmeister & Wain Energy A/S. The feed system will be an integrated part of BWE's scope of supply for the Sleaford Renewable Energy Plant in Lincolnshire, England.

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30 September 2011

The Size Reduction Group, which manufactures size reduction equipment, vibratory/screening equipment and conveying systems, operating under three brands: Pennsylvania Crusher, Gundlach and Jeffrey Rader is pleased to announce the grand opening of their newest office located in Beijing, China.

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Regional Offices

TerraSource Global Headquarters

100 N Broadway

Suite 1600

Saint Louis



United States of America

+1 855 483 7721 www.terrasource.com
TerraSource Global - Canada (formerly Jeffrey Rader Canada)
+1 514 822 2660
TerraSource - Latin America
TerraSource Global - EMEA (formerly Jeffrey Rader AB)
+46 8 56 47 57 47
TerraSource Global - Asia Pacific

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