Rail and Locomotive Wire Harness Manufacturing

Rail and Locomotive Wire Harness Manufacturing Services from RPI

RPI's rail and locomotive solutions specialize in providing custom wiring harnesses designed to meet the unique demands of the rail industry. As essential investments for reliable and efficient rail operations, our harnesses are built to withstand the rugged conditions of rail travel, ensuring optimal performance and safety for trains and other rail vehicles. Explore our range of solutions tailored to enhance signal systems, lighting, control, and more, and discover how RPI can support your rail transportation needs.

Custom Wiring Harnesses for Rail Vehicles

Our harnesses are tailored to the specific needs of rail vehicles, ensuring reliable and efficient operation. Designed to withstand the vibrations, shocks, and harsh environmental conditions of the tracks, RPI harnesses are an essential investment for maintaining optimal performance and safety in rail transportation.

Rail Signal and Control System Integration

Facilitate seamless communication and control in rail systems with RPI's wiring solutions. Our harnesses support the integration of signal systems, control panels, communication devices, and safety features, enabling precise control and monitoring of rail operations. With RPI harnesses, rail operators can enhance safety, efficiency, and reliability across their networks.

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Locomotive Lighting and Electrical Systems

Illuminate rail vehicles with confidence using RPI's lighting and electrical wiring solutions. Our harnesses are designed to power lighting systems, electrical components, and onboard amenities, ensuring passenger comfort and safety during rail travel. RPI harnesses are built to withstand the rigors of constant use and harsh weather conditions, providing reliable performance day in and day out.

Railway Maintenance and Retrofitting Support

RPI provides comprehensive support for maintenance and retrofitting projects in the rail industry. Whether you're upgrading existing systems or implementing new technologies, our team can design and deliver custom wiring harness solutions that meet your exact specifications. Partner with RPI for reliable, durable, and high-performance wiring solutions for rail and locomotive applications.

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Nationwide Wire Harness Manufacturing Capabilities

At RPI, we take immense pride in our ability to deliver custom wire harness solutions to clients across the United States. What sets us apart is our commitment to keeping all our work within the country. From design and engineering to production and assembly, every step of the process is carried out right here in the USA. This not only ensures the highest quality standards but also allows us to maintain strict control over every detail, resulting in superior products that meet or exceed our clients' expectations.



Our in-house expertise and state-of-the-art facilities enable us to cater to a wide range of industries and applications, from automotive and aerospace to factory automation and beyond. Whether you need a complex wiring system for a new vehicle model or a custom harness for industrial machinery, we have the capabilities and resources to deliver tailored solutions that precisely match your requirements. With RPI, you can trust that your wire harness needs are in capable hands, backed by a team of dedicated professionals who are committed to excellence and innovation.

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What Clients Say About Us

We have been with RPI for 25 years and they have always delivered an incredible personal experience and quality products. We highly recommend them.


Judy S.

The team in Wisconsin is great! Always responsive with great personal service. Fast troubleshooting and terrific testing!


Tim A.

We use RPI for our Harness requirements in our Tractor Division. The team is A+, we always get quality, communication, and we are very satisfied!


George D.

We use RPI for our Auto Testing Equipment. They tackle very complicated equipment challenges, are always on time, always do quality work, testing, and unbelievable follow-through.


Jeff M.

Good Wire Harnesses and Good People! Very Satisfied!

Matt F.

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Rather Connect Over the Phone or Chat?

Looking for a more personalized experience? We've got you covered! Whether you prefer the ease and convenience of a phone call or the flexibility of chat, we're here to connect with you on your terms. Our friendly and knowledgeable team is always available to answer your questions, discuss your needs, and provide tailored solutions that meet your specific requirements. So why wait? Contact us today and let's connect on your preferred platform!