Somerset Welding & Steel, the parent company of J&J Truck Bodies & Trailers and J&J Truck Equipment, is a full-service welding, hydraulics, and fabrication facility. Our engineering staff uses state-of-the-art software technology and our expert workforce uses the latest robotics, computers, and tooling to manufacture custom products for our customers. We also provide 3D modeling and detailed proposal drawings. In addition, we have web conferencing capabilities that allow you to easily and conveniently check-in with our team to view designs, and drawings, and discuss your projects. These technologies save you time and money.


J&J’s experienced workforce has the ability to custom fabricate specialty products. Over the years we have fabricated everything from mine safety chambers to mobile bulk sand conveyors and tube conveyors. Contact us about your specialty fabrication needs.

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Manifold Trailer

Manifold Trailers

J&J manufactures highly customized manifold trailers used in hydraulic fracturing operations. J&J works closely with customers on requirements development, design, finite element analysis (FEA), manufacture, and commissioning of the trailers. Working with customers’ teams, J&J collaborates on design and analysis through web conferencing which allows for faster decision making and eliminates time-consuming and costly travel.

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Mobile Fracturing System

The J&J FPT-2250 Triplex is a trailer-mounted fracturing system for high-pressure well stimulation. Under SAE conditions, the primary engine delivers up to 2500 BHP to the engine flywheel, and the pump will deliver approximately 2250 HHP. The system is designed to operate continuously during prolonged fracturing operations.

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Mobile Fracuring System