Cummins, Powerstroke, Duramax: Which Heavy-Duty Diesel Lasts Longest?
A field-grounded look at the Big Three diesel engines in modern HD trucks — longevity, maintenance burden, and the parts that fail first.
Read guide →Category: Maintenance
Service intervals, oil changes, filters, and preventive maintenance.
Fleet Maintenance Schedule: A Mile-by-Mile Diesel Service Calendar
A common-sense PM schedule for HD diesel fleet trucks — what to do every 5k, 15k, 30k, and 100k miles.
Read guide →Cold Weather Diesel: Glow Plugs, Block Heaters, and Winter Fuel
Cold mornings are the hardest workout your diesel will get all year. Here is how to prep glow plugs, fuel, batteries, and engine heat before the first freeze.
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