This free, editable Excel checklist includes seasonal maintenance tasks for winter, heat, storms, floods, and more, covering systems like cooling, brakes, fuel, and HVAC. Each tab outlines detailed procedures, intervals, and KPIs to help fleets prevent breakdowns, reduce downtime, and stay compliant. Designed for trucks operating across both cold regions and desert routes, this resource simplifies seasonal preparation, extends component life, and supports compliance with preventive maintenance standards. Use it to transition smoothly between seasons and keep your fleet ready for extreme weather, regional regulations, and operational demands.