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From 18-wheelers, to buses, to construction equipment, diesel engine-driven machines run the behind-the-scenes network keeping our economy moving. And diesel technology training at Lincoln Tech prepares you for a career working with the machines that impact our lives in big ways.

Diesel technicians don’t just service trucks – they maintain buses, power generators, heavy equipment, and other industrial machines. At Lincoln, we maximize diesel technology training by bringing diesel engines, tractors, trailers and off-road construction equipment right into our giant diesel shops on campus.

Diesel Technology Training Program Highlights

As an aspiring Diesel Technician, hands-on training plays a critical role in your education. A Lincoln Tech program gives you the chance to:

• Perform a complete disassembly and assembly of a diesel engine.
• Complete tune-ups and perform wheel alignments on tractors and trailers using computerized equipment.
• Complete tune-ups, as well as perform wheel alignments to tractors and trailers using computerized equipment.
• Service, repair and replace the components of truck suspension systems and frames.
• Learn how to identify, locate and diagnose the components of truck brake systems, including hydraulic, air-over-hydraulic or air brake systems.
• Service and repair diesel fuel systems such as the Common Rail System, Detroit Diesel Electronic Controls (DDEC), Caterpillar EUI and others.
• Train inside A/C and Electrical Accessories classrooms where you’ll find simulators such as starting/charging systems, power windows, locks and other electrical systems found in today’s modern trucks.
• Train and apply for positions with companies and manufacturers who specialize in diesel-powered machines, off-road construction equipment and trucks².
• Plus, diesel technology training classes at our Denver, CO, East Windsor, CT, Grand Prairie, TX, Nashville, TN, and South Plainfield, NJ campuses are taught by ASE (Automotive Service Excellence) certified instructors - so you know you're learning from highly-qualified professionals.

Careers As a Diesel Mechanic

From fleet maintenance departments, private repair enterprises, and franchised truck repair organizations, to truck leasing and rental operations, Lincoln's diesel mechanic school training can lead to job opportunities nationwide. Our Career Services department knows this firsthand, and will work hard to help you connect with employers.

Want to find out more about Lincoln’s diesel training? Request more information by clicking here.

¹ National Center for O*NET Development. National Employment Trends: 49-3031.00 - Bus and Truck Mechanics and Diesel Engine Specialists. O*NET OnLine. Accessed 20 September 2024. from

² These programs are sponsored by individual manufacturers and qualifications and acceptance into these programs is governed by their criteria.

Important information about the educational debt, earnings, and completion rates of students who attended this program can be found at our consumer information page.

Campuses that currently offer training in this program area are listed below, as well as links to exact program informational fact sheets: