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We Enable the Movement of Essential Items Around the World

Locomotive Electronics & Onboard Data Systems

Repair & Return Remanufactured Bohr Built
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Norfolk Southern logo in black with stylized NS letters and striped design element.
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BNSF Railway logo with large stylized letters on transparent background.
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Patriot Rail company logo with stylized P and horizontal lines on transparent background
GATX Rail logo in gray with a transparent background showcasing bold typography and a rectangular block design.
Lake State Railway logo with transparent background featuring Michigan map and text excellence in transportation
Carload Express company logo in grayscale on a transparent background.
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Regional Rail LLC logo with transparent background featuring circular design and RR initials
OmniTRAX logo with overlaid text reading POWERED BY RAIL & REAL ESTATE on transparent background
Amtrak logo with gray stylized railroad tracks and uppercase lettering on transparent background.
Gray stylized CP logo on transparent background with sharp edges and bold lettering design
NJ TRANSIT logo in gray on a transparent background with stylized N and J letters above text.
Stylized gray letters forming a minimalist logo design on a white background.
CPKC logo in gray block letters representing Canadian Pacific Kansas City railway company
CSX logo featuring bold uppercase letters and stylized square brackets in gray.
Norfolk Southern logo in black with stylized NS letters and striped design element.
Union Pacific logo with blue top and red and white vertical stripes shield design
Genesee Wyoming logo with bold G, ampersand, and W in geometric shapes on transparent background
BNSF Railway logo with large stylized letters on transparent background.
Gray wing-shaped emblem with white G & O letters on a transparent background with black added for visibility.
Patriot Rail company logo with stylized P and horizontal lines on transparent background
GATX Rail logo in gray with a transparent background showcasing bold typography and a rectangular block design.
Lake State Railway logo with transparent background featuring Michigan map and text excellence in transportation
Carload Express company logo in grayscale on a transparent background.
Watco logo with stylized W and company name in gray on transparent background
Regional Rail LLC logo with transparent background featuring circular design and RR initials
OmniTRAX logo with overlaid text reading POWERED BY RAIL & REAL ESTATE on transparent background
Amtrak logo with gray stylized railroad tracks and uppercase lettering on transparent background.
Gray stylized CP logo on transparent background with sharp edges and bold lettering design
NJ TRANSIT logo in gray on a transparent background with stylized N and J letters above text.
Technician analyzing data on computer screen with electronic testing equipment in laboratory workspace

Repair and Support

Since 1957, Bohr has provided dependable repair and remanufacturing services to enhance the efficiency, sustainability, and reliability of legacy equipment. By implementing our comprehensive support strategies, freight and transit operators can significantly extend the life of their locomotives, reduce overall costs, and lessen environmental impact.
Need A Repair?

What Bohr Does Best

Bohr Electronics provides expert refurbishment, rebuilding, and manufacturing services for locomotive equipment, combining remanufactured and new parts with custom cable and harness systems designed for your operation.
Certifications

Bohr Electronics is an ISO 9001:2015 registered supplier. We also maintain an Association of American Railroads AAR M-1003 certificate of first-class assurance.

Affiliations
Railway Supply Institute logo with blue triangular design and white text on black background ASLRRA member logo with three stars and railroad track on blue background Logo of the American Public Transportation Association in white on a black background Logo of Locomotive Maintenance Officers Association (LMOA) with stylized train graphic and text.

Our Customers

Bohr Electronics supports a broad range of rail organizations with solutions designed for the operational realities of locomotive service. Our experience spans diverse fleet profiles and operating environments, allowing us to tailor our support to the specific technical, regulatory, and lifecycle needs of each customer we serve.

  • Class I Freight Railroads
  • Regional and Shortline Railroads
  • International Freight Railroads
  • Transit Authorities and Public Transportation Operators
  • Locomotive OEMs and System Integrators
  • Maintenance, Repair, and Overhaul (MRO) Providers
It's a pleasure doing business with Bohr Electronics. We've never had any issues with the work and lead times are never too long. The sales team and their colleagues are knowledgeable, professional and able to answer technical questions which is extremely valuable to me. Keep up the great work!

Adam Thorson, Chief Mechanical Officer - Housatonic Railroad

I am grateful for the expertise and help the Bohr team gives us in repairing our various locomotive electronics. Their broad range of knowledge and experience makes them our go to provider for economical repairs to our parts. I would find it difficult to maintain our fleet without their partnership.

Nathan Carlson, Dir of Mechanical - Jaguar Rail Transport

I have purchased from Bohr for as long as I can remember with no issues regarding quality, timing, and professionalism. The support and technical knowledge exceed all others in the industry when it comes to electrical components.

Roger Fuehring, Chief Mechanical Officer - Lake State Railway

Helping Railroads Thrive

At Bohr Electronics, we prioritize quality by designing and manufacturing equipment tailored to the unique needs of each customer. We support legacy systems by repairing and remanufacturing critical components. Our commitment to transparency and innovation solidifies our reputation as leaders in protecting the movement of essential goods by rail.
Speak To An Expert

Bohr Built Systems

Leaders in equipment repair since 1957. Manufacturers of tomorrow.

For decades, Bohr has provided dependable repair and remanufacturing services to enhance the efficiency, sustainability, and reliability of legacy equipment. By implementing our comprehensive support strategies, freight and transit operators can significantly extend the life of their locomotives, reduce overall costs, and lessen environmental impact.

Now Bohr manufactures new products to replace many legacy equipment components.

Orange Locomotive Event Acquisition Module with multiple connectors and metal screws on a rectangular box.

BOHR Built

Locomotive Event Acquisition Module

  • F3102

  • F3129

  • F3130

  • F3130-NF

  • F3144

  • F3144-PRS

  • F3145

  • F3146

  • F3152

  • F3169

LEAM is a locomotive event aggregation device capable of interfacing discrete electric and pneumatic systems. The LEAM supports up-to-date FRA-compliant data collection and PTC-messaging support with LDARS-compatible on-board network connectivity. In conjunction with the CRM Crash Hardened Memory Module, the LEAM is part of a flexible event recording strategy.
Bohrelectronics Ditchlight Controller with LED indicators and terminal connectors for rail industry applications.

Bohr Built

Ditch Light Controller

  • F3660

  • Q2010

Ditch light controller for automated auxiliary lighting operation, manufactured by Bohr Electronics in our own facilities.
Black PNM-OBN electronic device with multiple ports and indicator lights on top and sides isolated on black background

Bohr Built

Precision Navigation Module Onboard Network

  • F3626-24-OBN

  • F3626-74-OBN

The Precision Navigation Module/On-board Network is a fully featured AAR-S9102 and S9103 precision positioning and locomotive time solution, capable of connecting GNSS and time-based inertial functions to Ethernet on-board networks. The CRM PNM/OBN also incorporates user-accessible high-powered edge processing to its positioning and time management engines in a compact, standalone form factor.
Black Bohrelectronics alerter device with red LED displays showing speed and distance, buttons for dim and count.

Bohr Built

Speed Indicator / Alerter

  • F1820

Alertness device for operator vigilance monitoring.
Orange crash hardened memory module with multiple Ethernet ports and LED indicators for status and data.

Bohr Built

Crash-Hardened Memory Module w/Video

  • F3050

The CHMM3 is a DOT-certified crashworthy memory module for PTC and LDARS event recording applications manufactured by Bohr Electronics. Standalone or used in conjunction with the CRM LEAM, the CHMM is part of a flexible event recording strategy ranging from simple FRA-mandated data acquisition to hardened video storage.
Three men operate and inspect a large metallic industrial machine inside a facility with control equipment nearby.

A Legacy Worth Continuing

Edwin T. Bohr established Bohr Electronics with a pioneering vision to provide reliable, high-quality repair and remanufacturing services for locomotive and railroad equipment, integrating advanced technology to meet the evolving needs of the industry. His dedication to craftsmanship, innovation, and technological advancement set a lasting standard of excellence and trust that we continue to uphold, ensuring that his legacy drives every solution we deliver today.
Retrace Our Tracks

Insights

Aerial view of city with twin bridges over river, green park with blue-roofed buildings, and cloudy sky at sunset.

Precision Rail Positioning Starts Here: Bohr’s RTK System for Today’s Rail Demands

Blog

Mar 06, 2026
Three precision navigation devices including RTK base station, onboard network module, and GNSS radio antenna system with

Bohr Electronics Introduces Bundled Real-Time Kinematic (RTK) System for Precision Rail Positioning

Press Releases

Jun 24, 2025
Hands testing an electronic circuit board using probes with an oscilloscope showing waveform in the background

Bohr Electronics Secures Large Order for RTK Base Stations

Press Releases

Jun 27, 2024
Three precision navigation devices including RTK base station, onboard network module, and GNSS radio antenna system with

Bohr Electronics Introduces Bundled Real-Time Kinematic (RTK) System for Precision Rail Positioning

Press Releases

Jun 24, 2025
Hands testing an electronic circuit board using probes with an oscilloscope showing waveform in the background

Bohr Electronics Secures Large Order for RTK Base Stations

Press Releases

Jun 27, 2024
Train driver operating controls inside a modern locomotive cabin with a view of the platform roof.

Bohr Electronics Acquires Assets of Central Railway MFG

Press Releases

Mar 05, 2024
Aerial view of city with twin bridges over river, green park with blue-roofed buildings, and cloudy sky at sunset.

Precision Rail Positioning Starts Here: Bohr’s RTK System for Today’s Rail Demands

Blog

Mar 06, 2026
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Ep170 Dan Marks - Locomotives and Leadership

Podcasts and More

May 01, 2024

It's Time to Upgrade Your Rail System

Improve your rail operations with Bohr Electronics. Contact us today to learn how we can help elevate your performance and efficiency.