Keeping a fleet on the road is no small task. At McCallon’s Diesel Services, we partner with businesses across the St. Louis Metro, St. Charles County, Lincoln County, and Warren County to provide reliable, preventative fleet maintenance that reduces downtime and maximizes efficiency. Whether you manage a handful of trucks or an entire fleet, our certified diesel technicians are committed to keeping every vehicle road-ready.
Preventative Maintenance Programs
A well-maintained fleet is a profitable fleet. Our custom preventative maintenance programs are designed around your schedule and your specific needs.
- Oil changes & fluid services
- Filter replacements (air, fuel, oil, DEF)
- Brake & suspension inspections
- Electrical system checks
- Tire inspections & rotations
- Safety & compliance checks (DOT-ready)
Full-Service Fleet Care
We understand that every fleet is different. That’s why we offer flexible, full-service fleet repair and maintenance solutions tailored to your operation.
- On-site fleet service options
- Scheduled maintenance tracking
- Multi-vehicle service coordination
- Fast turnaround to minimize downtime
- Detailed service records for compliance and planning
Emergency Support for Fleets
Unexpected breakdowns can throw off delivery schedules and cost thousands in lost revenue. That’s why we offer 24/7 emergency roadside assistance to get your trucks back in service as quickly as possible.
Why Partner With McCallon’s Diesel?
✔ Experienced diesel technicians specializing in fleet management
✔ Preventative care to minimize costly breakdowns
✔ Transparent estimates and reliable turnaround
✔ Local service throughout the St. Louis Metro area
✔ A trusted partner dedicated to your success
Schedule Fleet Maintenance Today
From small fleets to large-scale operations, McCallon’s Diesel Services keeps your trucks on the road and your business moving forward. Contact us today to discuss a customized fleet maintenance program.