• Keep Working.


    Mobile heavy equipment repair and fleet maintenance throughout Phoenix and the surrounding Valley. Fast response from experienced technicians. Less downtime.

    Home Page: Backhoe
  • Keep Working.


    Mobile heavy equipment repair and fleet maintenance throughout Phoenix and the surrounding Valley. Fast response from experienced technicians. Less downtime.

    Home Page: Steam Rollers
  • Keep Working.


    Mobile heavy equipment repair and fleet maintenance throughout Phoenix and the surrounding Valley. Fast response from experienced technicians. Less downtime.

    Home Page: Mining Truck Line-up
  • Keep Working.


    Mobile heavy equipment repair and fleet maintenance throughout Phoenix and the surrounding Valley. Fast response from experienced technicians. Less downtime.

    Home Page: In the Field

Fast Response

We’re there when you need us.

Expert Technicians

Highly trained. Factory level solutions.

On-site Service

We come to you. Minimize downtime.

Trustworthy

Reliable repairs. Built to last.

Complete Solutions for Your Equipment

Fleet Preventative Maintenance

Preventive Maintenance

Regular service to prevent problems before they happen.

Diesel Diagnostics

Diagnostics & Repairs

Advanced diagnostics and expert repairs for all makes and models.

Hydraulic Repair

Hydraulics

Hydraulic system service, repair, and fabrication.

Welding & Fabrication

Welding & Fabrication

Custom welding and fabrication built for the job.

Built for Arizona.
Backed by Experience.

State 48 Machinery is a locally owned and operated mobile diesel mechanic specializing in on site heavy equipment repair, field service equipment repair, and fleet maintenance throughout Phoenix, and the Valley. We support construction, mining, industrial, and commercial fleet operations that depend on reliable diesel-powered equipment to stay productive.

Our mobile diesel mechanics travel directly to your job site with professional diagnostic tools and service equipment, allowing repairs and maintenance to be completed without the delays and costs associated with transporting heavy machinery to a repair facility. From routine preventative maintenance to emergency breakdown service, we help reduce downtime and extend the service life of your equipment.

As an independent, OEM-agnostic heavy equipment service company, State 48 Machinery provides a reliable dealer alternative focused on fast response, clear communication, and quality workmanship.

Discover the State 48 Difference


    • Construction & Excavation
    • Mining & Aggregate
    • Industrial Facilities
    • Infrastructure & Utilities
    • Commercial Fleets
    • Agriculture & Farming
    • Municipal & Government
    • Rental Equipment
    • Solar, Energy & Power Gen