When your terminal tractor, generator, or loader breaks down, downtime costs money. Our mobile diesel service specializes in John Deere PowerTech engines powering off-highway equipment across Phoenix Metro—from warehouse yards to construction sites.

We bring the shop to you with fully-stocked service trucks, diagnostic tools, and experienced technicians trained on industrial diesel applications. Same-day response (7 AM - 7 PM) to keep your operation running.

Equipment We Service

Our mobile technicians specialize in off-highway diesel equipment powered by John Deere PowerTech engines. We serve warehouses, distribution centers, construction sites, and industrial facilities throughout Phoenix Metro.

Terminal Tractors

Yard goats, spotters, and terminal tractors for warehouse and distribution center operations. Engine, transmission, and hydraulic repairs.

Generators & Pumps

Mobile generators, hydraulic power units, and industrial pump systems. Fuel, cooling, and electrical diagnostics.

Loaders & Forklifts

Industrial loaders, diesel forklifts, and material handling equipment. Powertrain, hydraulics, and engine diagnostics.

Common PowerTech Repairs

John Deere PowerTech engines are workhorses, but they’re not immune to breakdowns—especially in Phoenix’s extreme heat. Here are the issues we handle most often:

Starting & Charging Issues

  • Hard starts or no-start conditions
  • Alternator failures and battery issues
  • Starter motor replacement
  • Electrical wiring and connection repairs

Fuel System Problems

  • Fuel injection pump failures
  • Injector cleaning and replacement
  • Fuel filter clogging and contamination
  • Fuel line leaks and air intrusion

Cooling System Failures

  • Overheating from radiator clogs
  • Water pump failures and coolant leaks
  • Thermostat replacement
  • Hose and belt replacement

Sensors & ECU Diagnostics

  • Check engine light diagnostics
  • Temperature and pressure sensor failures
  • ECU reprogramming and updates
  • Wiring harness troubleshooting

John Deere PowerTech Engine Families

We service all major John Deere PowerTech engine families found in off-highway equipment:

PowerTech 4045

4.5L, 4-cylinder turbocharged diesel

Common in smaller terminal tractors, generators (75-150 kW), and compact industrial equipment.

PowerTech 6068

6.8L, 6-cylinder turbocharged diesel

Popular in yard goats, mid-size loaders, and generators (150-300 kW). Reliable workhorse for industrial applications.

PowerTech 6090

9.0L, 6-cylinder turbocharged diesel

Heavy-duty applications including large pumps, high-capacity generators (300+ kW), and industrial machinery.

All engines available in Tier 2, Tier 3, and Tier 4 emissions configurations

Service Area Coverage

We provide mobile off-highway diesel repair to job sites, warehouses, and facilities across Phoenix Metro:

Major Highways & Corridors

  • I-10 Corridor — Tolleson, Goodyear, Buckeye industrial areas
  • I-17 Corridor — North Phoenix to Anthem construction zones
  • Loop 101/202/303 — Distribution centers and warehouses
  • US-60 — Mesa, Apache Junction industrial sites

Facility Types We Serve

  • Warehouse & distribution center yards
  • Construction & development sites
  • Manufacturing & industrial facilities
  • Power generation sites

50-mile service radius from Phoenix • Same-day response (7 AM - 7 PM)

Why Warehouse & Industrial Customers Choose Us

30-60 Minute Response

Phoenix-based and centrally located. We arrive fast to your facility during business hours—because equipment downtime is lost revenue.

Mobile Diagnostics

Fully-equipped service trucks with laptop diagnostics, parts inventory, and tools. We fix most issues on-site without towing.

Safety-First Approach

Technicians trained in job-site safety protocols, PPE compliance, and facility access procedures. We follow your site rules.

Get Same-Day Field Service

Equipment Down? We’re Ready to Roll

Average response time: 35 minutes across Phoenix Metro

Open 7 AM - 7 PM Daily • Serving All Phoenix Metro • Job-Site & Warehouse Service

Cities We Serve

Serving all of Maricopa County and the Phoenix Metropolitan Area

50-mile service radius • Same-day emergency (7 AM - 7 PM) dispatch • All major highways covered

Frequently Asked Questions

Frequently Asked Questions

What John Deere PowerTech engines do you service?

We service all John Deere PowerTech engine families including 4045, 6068, and 6090 series found in terminal tractors, generators, pumps, loaders, forklifts, and other off-highway equipment. Our technicians are trained on diesel-driven industrial applications.

Can you come to our job site or warehouse?

Absolutely. We provide mobile field service to warehouses, distribution centers, construction sites, and industrial facilities across Phoenix Metro. Our service trucks are fully equipped to perform diagnostics and repairs on-site.

How fast can you respond to equipment down situations?

Typical response time is 30-60 minutes across Phoenix Metro during business hours (7 AM - 7 PM daily). We understand that down equipment costs you money and prioritize same-day emergency service.

What types of off-highway equipment do you work on?

We service terminal tractors (yard goats), mobile generators, hydraulic pumps, loaders, forklifts, skid steers, and other industrial diesel equipment powered by John Deere PowerTech engines.

Do you handle DOT safety inspections for yard trucks?

While we focus on diesel engine and powertrain repairs, we can inspect and repair mechanical systems related to safety compliance. Contact us to discuss your specific inspection needs.

Can you diagnose electrical and sensor issues?

Yes, we use diagnostic tools to troubleshoot ECU codes, sensor malfunctions, wiring issues, and electrical system problems on PowerTech-equipped machinery.

Do you service Class-8 over-the-road trucks?

For Class-8 tractor and trailer emergencies, please see our dedicated trailer & reefer repair service page. This page focuses specifically on off-highway industrial equipment.

Ready for Fast, Reliable Diesel Repair?

Call now for Same-day emergency (7 AM - 7 PM) dispatch across Phoenix Metro

(602) 456-9071

AZ Mobile Diesel Repair

Same-Day Service (7 AM - 7 PM)

Serving Phoenix, AZ • I-10, I-17, Loop 202

I-10 I-17 Loop 101
Call (602) 456-9071 Request Service Email for Questions

help@azmobiledieselrepair.com

Available Now • 30-90 Min ETA

Why Choose Us

  • 30-60 minute average response time
  • ASE-certified diesel technicians
  • Mobile shop with parts on board
  • Transparent upfront pricing
  • 50-mile service radius from Phoenix

We're Available

7 Days a Week

Same-day emergency service (7 AM - 7 PM)

Same-Day Diesel Repair
Open 7 AM - 7 PM Daily
CALL NOW
Same-Day Diesel Repair
Open 7 AM - 7 PM Daily
CALL NOW
Or email us: help@azmobiledieselrepair.com