About
Northland Diesel Repair LLC, trading as Northland ECM, is an independent diesel ECM repair, exchange, and tools shop based in Princeton, Minnesota, serving customers nationwide. They rebuild, exchange, and program diesel ECMs for Cummins, Cat, Paccar, Volvo/Mack, and Detroit as core lines, with Allison, International, and John Deere by request. Services include ECM exchange (tested, programmed, same-day shipping, 2-year warranty), ECM repair ($350 bench fee, 3-5 day turnaround, diagnostic report included), and ECM cloning & data recovery. They offer same-day shipping for orders placed by 2 PM CT. The shop is independent, not a dealer or remanufacturer chain, and has been in diesel since 2012, ECM-focused since 2018. In-person visits are by appointment only; drop-offs are welcome.
