At Dayton-Phoenix Group, our electric motor solutions are designed to meet the growing demands of industries transitioning to more sustainable and efficient operations. With decades of expertise in engineering high-performance motors, we provide custom solutions that drive innovation to meet your demands. From locomotives to heavy-duty mining applications to applications in the worst environments, our electric motors deliver the power, reliability, and efficiency needed to maximize operational performance.
Longer life, less weight, all performance. Confidence in every descent.
APEX is the smarter upgrade for mining fleets that demand consistent braking under extreme duty cycles. Purpose-built with a radial grid resistor system, APEX delivers cooler operating temperatures, sustained braking availability, and superior durability. The result: lighter weight, quieter operation, easier maintenance, and less strain on the deck all while reducing life-cycle costs.
Why APEX? By keeping grid resistors cooler and more stable than OEM designs, APEX ensures braking systems stay in their optimal range to deliver the confidence of consistent, sustained performance on every haul.
*APEX for Komatsu 830E coming soon
Performance you can count on
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Our Radial Braking Resistors are recognized for their best-in-class lifecycle, which translates into significant cost savings through reduced maintenance and enhanced system longevity. The comprehensive design integrates all necessary components including the motor, fan, resistor, top cover, and cables into a single, compact unit that simplifies installation and increases reliability.
Engineered with advanced materials and cutting-edge technology, these resistor systems are tailored to withstand extreme conditions while managing kinetic energy effectively during the braking process without compromising performance. They are specifically optimized for high-load capacities and continuous operation, making them ideal for applications requiring robust and efficient braking solutions.
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White Paper – Smart Grid Technology for Predictive Analytics of Grid Resistor Life




Liquid Cooled Resistor systems offer advanced thermal management solutions tailored for applications where high power dissipation and space optimization are critical. These systems are ideal for environments that demand robust performance but are limited by thermal constraints, such as in electric vehicles, power converters, and industrial automation.
Utilizing a liquid cooling mechanism, these resistors efficiently manage heat by circulating a coolant through sealed channels within the resistor unit. This process significantly enhances heat dissipation compared to air-cooled systems, allowing for higher power capacities and more compact designs.
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Our custom load cell systems provide accurate and reliable measurement solutions tailored specifically to your application requirements. Our load cells are essential for applications that require load measurement in industries such as rail, mining, marine, agriculture, aerospace, automotive, and industrial automation.
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Our High Voltage Resistor systems are expertly designed to manage high voltage currents safely and efficiently, crucial for industries such as power distribution, telecommunications, and industrial processing. These systems are particularly tailored to withstand the harsh conditions found in the cramped and challenging environments of locomotives, caustic wash solutions, under transit cars, or on the rooftops of electric buses.
Engineered to function and endure for over 20 years in environments characterized by dust, vibration, and humidity.
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