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275GL+ to 275GL+ w/ESM2

Built to Work
275GL+ to 275GL+ w/ESM2

  • Availability
  • Flexibility
  • Life
  • Output

Simplify your engine, increase your reliability, and improve your 275GL+ operability.

Grow with the Waukesha* 275GL+ to 275GL+ with ESM2 Upgrade kit. This kit greatly advances the control capability of the engine and incorporates various reliability improvements made over the life of the engine to transform your user experience


Make sure this upgrade is compatible with your engine:

What can this upgrade do for you?

Customer Benefits

  • Reliability Improved Air Fuel Ratio (AFR) control and superior fault tolerance to keep you running
  • Consolidation
    • Single, high capacity ESM2 control module for engine management
  • Usability
    • Improved starting, steady-state, and transient performance. Data trending, troubleshooting where you need it through the engine HMI
  • Transient Capability
    • 0-100% load – 45 sec
    • 30-100% load – 30 sec
    • +/- 10% load at any operating point
    • 100% load rejection in < 10 seconds
  • Starting/Shutdown
    • Full adjustability, automatic lean out after starting
    • Ability to start with 30% torque applied
    • New e-Stop feature that eliminates residual fuel in the engine during hard stops

How we get you there?

Upgrade Contents:

  • 12“/305mm remote mounted HMI with harness
  • IPMD2 ignition module
  • Front wire harness
  • High temperature harnessing for actuators & sensors near exhaust
  • Customer interface harness
    • Single harness to interface to 275GL+
  • New boost pressure sensors
  • Trican Sensor measures ambient humidity, temperature, pressure
  • New air handling control actuators
  • Power distribution box
  • Smart Thermocouple Modules (STU) for managing exhaust & main bearing temperatures

Find your version:


Kit #

12V275GL+ G-962-1261
 16V275GL+  G-962-1262
  • 3,750 hp, 0.5g NOx, 800-2,300 BTU Fuel
  • 3,625 hp, 0.5g NOx, 800-2,300 BTU Fuel
  • 5,000 hp, 0.5g NOx, 800-2,300 BTU Fuel
  • 4,835 hp, 0.5g NOx, 800-2,300 BTU Fuel
  • 5,000 hp, 0.5g NOx, 700-850 BTU Fuel
  • 4,835 hp, 0.5g NOx, 700-850 BTU Fuel
  • Waukesha Engine Upgrades

    We offer retrofit solutions that improve reliability, availability, maintainability, performance, durability, emissions, usability, and flexibility of your existing Waukesha engines.

  • reUp Remanfactured Engines & Parts

    To increase performance, reUp remanufactured core parts program for Jenbacher* and Waukesha* gas engines delivers genuine OEM parts that meet exacting standards and specifictions at a fraction of the cost of new core parts.

  • Find Solutions, Parts, and Service

    Waukesha’s growing network of distributors, packagers and technicians provide end users with the freedom to choose the right partner to service equipment and provide ongoing support – all backed by Waukesha Engine’s commitment to service and support.

  • Certified & Customer-Focused Training

    In-person and virtual training courses and programs are designed to make it easier for both first-time operators and experienced technicians to assimilate knowledge quickly and improve engine productivity long-term.

Built to Work


with enhanced reliability, availability and efficiency.


with extended service intervals and comprehensive engine upgrades.


with enhanced controls and performance improvements through data analytics.


At Waukesha, we’re working every day to design and build engines and programs that help power your tomorrow.



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