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    Tom Quimby

    Tom Quimby is a freelance writer covering Classes 1 – 8 commercial vehicles. His work has been featured in several trade periodicals including Fleet Maintenance, Commercial Carrier Journal, Overdrive, Equipment World and Truck Parts Service. He also writes for Cummins Newsroom.

    Cummins
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    Powertrain

    Expect simplified maintenance with cleaner Cummins 2027 X15 diesel engine

    Tom Quimby
    March 10, 2025
    It's no surprise the MY2027 Cummins heavy-duty engine will emit far less NOx, but it will also feature up to 7% better fuel efficiency and easier maintenance despite major upgrades...