State 48 Machinery specializes in mobile heavy equipment repair for diesel-powered machinery operating across Arizona. Our field service technicians repair equipment directly at the job site, helping contractors and operators avoid costly downtime and logistical delays.

Mobile heavy equipment repair is ideal for excavators, loaders, dozers, graders, haul trucks, crushers, scrapers, and other large machinery that is difficult or expensive to transport. We address mechanical, hydraulic, and electrical issues in the field using professional diagnostic equipment.

Common Mobile Equipment Repairs

• Engine and drivetrain issues 
• Hydraulic leaks and failures 
• Electrical and sensor faults 
• Cooling system problems 
• Preventative maintenance deficiencies