Free Vehicle Maintenance Log

The schedule says what's due; the log records what was actually done. Together they give you a defensible service history: essential for warranty claims, resale value, and demonstrating diligence after an incident.

At minimum: date, odometer, the work performed, parts used, and cost. Vendor and labor hours make the log useful for budgeting and cost-per-mile analysis too.

Under 49 CFR 396.3(c), the records must be retained where the vehicle is either housed or maintained for 1 year, and for 6 months after the vehicle leaves the motor carrier's control. Three related records run on different clocks: a driver vehicle inspection report and its certification of repairs is 3 months (49 CFR 396.11(a)(4)), a roadside inspection report is 12 months (49 CFR 396.9(d)(3)(ii)), and an annual periodic inspection report is 14 months (49 CFR 396.21(b)(1)). Those four periods are why the template carries a retention column rather than one blanket rule.

49 CFR 396.3(b) lists four elements, and requires the records for each motor vehicle a carrier controls for 30 consecutive days. They are: an identification of the vehicle including company number if so marked, make, serial number, year and tire size, plus the name of the person furnishing it if the carrier does not own it; a means to indicate the nature and due date of the various inspection and maintenance operations to be performed; a record of inspections, repairs and maintenance indicating their date and nature; and a record of tests conducted on pushout windows, emergency doors and emergency door marking lights on buses. Note the second one: a log that records only completed work misses half the requirement, because the due date of upcoming work has to be visible too.

A complete, consistent service history is one of the strongest signals a vehicle was cared for. Buyers and auction houses pay more for documented maintenance.

49 CFR 396.3(c) is specific: the records are retained where the vehicle is either housed or maintained. A central spreadsheet satisfies that only if the terminal the vehicle runs out of can produce it on demand. The same wording appears again for annual inspection reports in 49 CFR 396.21(b)(1). The original or a copy must be retained where the vehicle is housed or maintained, for 14 months.

Yes, one interval that has no equivalent on a truck. 49 CFR 396.3(a)(2) requires that pushout windows, emergency doors and emergency door marking lights in buses be inspected at least every 90 days, and 49 CFR 396.3(b)(4) requires the record of those tests to live in the same maintenance records. Add a row class for it so the 90-day clock is visible next to the mileage-based services rather than tracked separately.

For a handful of vehicles, a well-kept spreadsheet like this one is genuinely enough: it's the discipline of logging every event, not the tool, that produces a usable service history. It tends to strain once several people need to edit it at once, once you want automatic mileage-based due-date reminders, or once the fleet grows past what one person can review weekly; that's the point most fleets move to dedicated software.