Cummins ISX15, X15: Troubleshooting, Inspection, Rebuild & Overhaul


4 day Class (Tuesday-Friday) | Max Available seats: 12

Dedicated classes available— please call for details

COURSE DESCRIPTION: This course equips participants with essential skills to handle, overhaul, inspect, repair, and maintain every component of the Cummins ISX15 and X15. Upon completion, technicians will confidently tackle maintenance tasks and repairs related to gear trains, valve sets, injector sets, injection pumps, and all mechanical aspects of the Cummins ISX15 and X15 engine families. Hotel & Lunch are included.                       



  • Navigate QuickServe Online
  • Navigate Cummins Insite
  • Complete Tear Down, Parts Inspection, R&R, Adjustments and Organization
  • Understand All Systems
  • Inspection, Diagnostics, Troubleshooting, Repair or Replacement
  • Complete Rebuild Overhaul
  • Skills Assessment
  • For a detailed course syllabus please contact us


The Cummins Engine Rebuild and Overhaul Training class is designed to provide the proper skills needed to organize, overhaul, inspect, repair, maintain or replace all components on the Cummins EPA 2010-2017 ISX15. Hotel & Lunch Included.


After completing the Cummins Engine Rebuild and Overhaul Training class, the Technician will be able to perform maintenance and repairs on the gear train, valve and injector set, injection pump inspection and replacement of all mechanical items associated with the Cummins ISX15 engine.

LOCATION: ETT Training Center

TRITECH Expert Technician Training Center is in New Braunfels, TX, while the San Antonio, TX airport (SAT) is 35.5 miles from training center and the Austin, TX airport (AUS) is 47 miles from ETT training center. Please plan on arriving the Monday prior to class starting on Tuesday and departing Fridays 3:00pm or after.


Fairfield Inn & Suites by Marriott

1465 I-35 New Braunfels, TX 78130

What to do while in town?

New Braunfels is Centrally located between Austin and San Antonio and is best known for the Comal and Guadalupe Rivers, great food, live music and the nearby Gruene Historic District.


Technicians must bring appropriate Personal Protective Equipment (PPE), safety shoes, eye protection and ear protection. All safety procedures and warnings must be followed. High pressure fuel and temperature warning. Exposure to rotating components. Always watch out for each other and if see any liquid spills, please clean up immediately.


Please complete 1 Enrollment Form per enrollee to reserve a slot in an upcoming Cummins Engine Training class. Enrollment Forms can be requested by email at or by phone at 830-743-9720. Registrations will be accepted up to the start of class and are subject to available seats. See Cancellation Policy