Preventive maintenance is one of the most effective ways to reduce unexpected failures, control repair costs, and extend the service life of diesel-powered equipment. State 48 Machinery provides customized fleet preventive maintenance services throughout Phoenix, AZ, and surrounding areas with on site support from experienced mobile diesel mechanics.
Our maintenance programs are designed for construction fleets, heavy equipment, medium duty trucks, service trucks, commercial diesel vehicles, and industrial equipment operating in demanding Arizona conditions.
By servicing equipment at scheduled intervals, we help identify wear items early, reduce breakdown risk, and keep your fleet operating reliably. Whether your operation needs monthly PM service, hour-based service intervals, or annual fleet inspections, we can build a program that fits your needs.
Our fleet preventive maintenance services include:
- Monthly PM service for trucks, fleets, and equipment
- 250-hour service intervals
- 500-hour service intervals
- Annual DOT fleet maintenance and inspection support
- Jobsite fleet service for active equipment locations
- Routine inspections and condition checks
- Engine oil and fluid changes
- Filter replacement
- Lubrication services
- Cooling system inspections
- Battery and charging system checks
- Brake and suspension inspections
- Hydraulic system inspections
- Fault code scans and performance checks
Each maintenance schedule can be tailored to engine hours, mileage, equipment type, manufacturer recommendations, and operating environment. Whether you manage a small fleet or multiple units across several jobsites, we develop practical maintenance plans that help reduce downtime and improve equipment reliability.
State 48 Machinery provides responsive mobile fleet preventive maintenance throughout Phoenix and the Valley, helping businesses improve uptime, reduce costly repairs, and protect long-term equipment value.