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There is no substitute for uptime.

For more than 60 years, the Marathon brand has been synonymous with reliable power generation.

Whether you need an emergency back-up system or high-performance generators to power the daily grind, Marathon Generators delivers. And we stand behind every product.

Our extensive line of industrial generators are built for rugged durability and engineered to meet your application needs, with units offering a kilowatt range from 5 kW to 4000 kW.

  • Prime power and emergency standby
  • Specialty generators for applications including:
    • Harsh-duty performance
    • Low reactance, minimal voltage distortion
    • Optimal motor starting capability

Marathon Generator’s products are backed by an experienced customer service and technical support staff.

Harsh Duty Generators

These rugged units are built to withstand the most punishing environments – from hot, arid, dusty mining and industrial operations to humid, salt-laden sea air.

10kW TO 800kW (60HZ AND 50HZ)
240V – 600V


Mariner® Generators

Manufactured for maximum protection from the elements, Mariner generators resist corrosion caused by salt and moisture-laden air, making them ideal for the most demanding marine applications.

10kW TO 800kW (60HZ AND 50HZ)
240V – 600V


DataMax™ Generator

When mission critical loads are on the line, data centers rely on Marathon® generator’s DataMax for efficient operation, long life, proven transient performance and guaranteed uptime.

1100 – 3500 kW (60 Hz) / 1800 – 3750 kVA (50 Hz)
480V & 13,200V (60Hz) / 400V & 11,000V (50Hz)


MagnaPlus® Generator

Featuring Marathon's exclusive unirotor construction, MAGNAPLUS is the ideal general purpose generator for industrial standby power, as well as superior performance in prime power applications.

5 – 430 kW (60 Hz) / 5 – 420 kVA (50 Hz)
240V – 600V


MagnaMax® Generator

Delivering exceptional transient performance, MagnaMax is the generator of choice for voltage critical applications such as telecommunications, hospitals, commercial buildings, airports and more. Suitable for prime power and standby applications.
380 – 2650 kW (60 Hz) / 413 – 2650 kVA (50 Hz)
380V – 6900V


MagnaPower™ Generator

The MAGNAPOWER™ Generator line offers powerful performance, reliable power generation and easy installation. MAGNAPOWER Generators are the optimum design choice for prime power needs including distributed power and heavy industrial applications.
1425 – 4500 kW (60 Hz) / 1500 – 4500 kVA (50 Hz)
480V – 13,800V (60Hz) / 380V – 11,000V (50Hz)


LIMA® MAC Generators

With its rugged design and superior motor starting capability, LIMA® MAC generators have built a reputation for no frills durability and inherent safety features, making them ideal for irrigation and other harsh-environment applications.
10kW TO 15kW, 60HZ AND 50HZ


Pancake Generators

Its lightweight, compact design makes the Pancake generator a rugged, economical power source for mobile lighting on construction jobsites. With cast aluminum alloy frames and short length, Pancakes are the ideal brushless generators for limited-space applications.

4.5 - 22.5 kW


ATEX Generators

Marathon offers a full line of ATEX and IECEx Zone 2 generators available in a robust, reliable design to meet the requirements of hazardous, ATEX and IECEx locations.

Dedicated single phase, 4 leads,
120 Volt or 240/120 Volt
Three phase, 12 leads, 0.8 power factor

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Commercial Systems|Industrial Systems