“We are excited that the Fresno Unified School District chose to purchase the Mack LR Electric vehicle to help educate future heavy-duty truck technicians,” said Jonathan Randall, president of Mack Trucks North America. “The LR Electric is a zeroemissions vehicle and is currently being sold throughout North America to customers interested in reducing their carbon footprints. Through this training, these students will start their journey ahead of the curve by learning about electrification on a leading Mack LR Electric vehicle.”
Duncan Polytechnical High School, a state and federally funded school, offers the program to students seeking training as a core component of their work-based learning in both medium- and heavy-duty truck technology. Affinity Truck Center offers internship opportunities to a select group of students each year.
“Mack has given students a great opportunity to see the next evolution of the industry with their electric truck purchased by Fresno Unified School District,” said Marina Garcia, a senior Medium/Heavy Truck student at Duncan. “This gives the next generations the opportunity to learn early on and obtain the skills needed to operate the electric vehicles that will soon be in everyday normal use.”
Cara Jurado, college and career readiness coordinator at Duncan Polytechnical High School, said Duncan offers a robust training program, enabling students to acquire the necessary knowledge to work in the industry.
“We felt that acquiring a Mack LR Electric vehicle would leverage the educational and internship partnership with Affinity to facilitate this training,” Jurado said. “It is imperative that students receive training surrounding electrical vehicle awareness and safety in order to be prepared to work with these vehicles.”
The Mack LR Electric is a bare chassis configuration so students are better able to see all components. Students will earn various certifications including ASE EntryLevel certification for Heavy Trucks, one of which is for electronics and electrical systems. Duncan hopes the students will eventually get EV-specific certifications, and the school is working to enhance their current training by developing an EV training partnership with Affinity Truck Center.
At this point, the internship at Affinity is more focused on product familiarity and safety. In time, minor diagnostics and maintenance will be added to the program. “The fact that Affinity was able to sell a cutting-edge Mack LR Electric into Duncan Polytech is incredibly exciting,” said Kim Mesfin, president of Affinity Truck Center. “The current students and potential technicians of the future are being exposed and trained on the newest technology entering our marketplace long before most current technicians in the industry will have the opportunity to work on these vehicles. It is preparing our industry in advance rather than in arrears.”
Currently 26 seniors and 25 juniors are enrolled in the heavy truck program. Next year, 27 sophomores will be admitted to the program. Mesfin said Affinity typically has six to eight interns per semester working across all dealership departments.
Duncan instructor Eric Rubio is constantly seeking new opportunities for training and certifications for himself and his students, and he regularly meets with an advisory group from several local service shops to receive feedback on curriculum and equipment to keep the program relevant. Mesfin said the hope is that seniors participating in the internship will interview for a part- or full-time position in Affinity’s two-year apprentice program or other positions.
The next generation Mack LR Electric, launched in March 2022, offers a standard 376 kWh total battery capacity for 42 percent more energy and increased range between vehicle charges. Twin electric motors produce 448 continuous horsepower and 4,051 lb.-ft. of peak torque output from zero RPM.
Four NMC (Nickel Manganese Cobalt Oxide) lithium-ion batteries, charged through a 150 kW, SAE J1772-compliant charging system, power the vehicle and all onboard accessories through 12V, 24V and 600V circuits. The two-stage regenerative braking system helps recapture energy from the hundreds of stops the vehicle makes each day with an increasing load.
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