After Hours Emergency Service Available

Call our Toll-Free Line: 1-800-944-7375


2602 South 19th Avenue
Phoenix, AZ 85009
Get Directions

About our Location:

A member of the WheelTime Network, we pride ourselves on delivering exceptional customer service and professional work. Our mechanics are committed to getting the job done right and getting your car or truck back on the road, as quickly and safely as possible.


2602 South 19th Avenue
Phoenix, AZ 85009
Get Directions


Monday - Friday
6:00 AM - 10:30 PM
6:00 AM - 4:30 PM


On-Site Amenities

  • Driver's Lounge
  • HD Televisions
  • Free Coffee
  • Free Wi-Fi

Payment Forms Accepted

  • Mastercard
  • Visa
  • American Express
  • Money Orders

Get To Know Us:

The W.W. Williams Phoenix service center is located 1/4 mile south of Interstate 17 on 19th Avenue. Our mechanics, knowledgeable service advisors and friendly staff are ready to address your vehicle and equipment needs in any of our 27 working bays. Your comfort matters to us – relax in our drivers lounge with free coffee and WiFi access. Consider it Done!


As a passenger transportation service provider, when we have a mechanical problem it can affect a lot of people. The staff at W.W. Williams are always helpful and provide prompt service to keep us, and our passengers, moving.  

Manager Senators Coaches, Inc.

W.W. Williams does a great job – I have used them for years! They are the best Cummins and Allison service facility in the state. 


I have many compliments regarding the customer service of the W.W. Williams workers. They went out of their way to help me out of complex problems and I was very appreciative of that. I was impressed by their level of expertise.  

W.W. Williams always exceeds expectations. They are prompt, informative and friendly.  


We always recommend W. W. Williams. They provide great service and stick to their word.  


W.W. Williams always gets the job done right the first time. 


The people at W.W. Williams are very dependable people to work with. When they say they will be there, they will be there. When they say the work will be done, it will be.  


W.W. Williams goes above and beyond my expectations. They are very professional. I feel they are honest with everything they tell me, which gives me great comfort. 


The staff at W.W. Williams are easy to talk to and explain everything very well. Their customer service is excellent.  

New/used lease and rental liason VANGUARD TRUCK CENTER OF PHX

I was satisfied with the service and enjoy doing business with W.W. Williams. They are extremely helpful and courteous, and even let me sleep in their lounge while the work was being done. I have switched to using Williams instead of Freightliner. 


Truck & Vehicle Repair & Service

We understand the priorities of today's drivers: safety, maximum uptime, and honest service. Whether you drive a long-haul truck or a school bus, we've got what it takes to get you back on the road. In addition to our standard services, we are armed with state-of-the-art equipment. Everything from alignment and all makes and all models DPF cleaning machines to diagnostics tools to measure horsepower and troubleshooting. At our Phoenix location, we offer the following services for trucks, trailers, commercial vehicles & equipment::

  • Diesel Engine & Transmission Service & Repair
  • Bumper to Bumper Service & Repair
  • Cab Climate Control Parts & Service
  • Courtesy Vehicle Inspection
  • Preventative Maintenance
  • Onsite Diesel Particulate Filter Cleaning

Power Generator Service & Sales

Coming to W.W. Williams Phoenix isn’t like coming to a typical service center. We are service and sales specialists for high-quality power generation products from MTU Onsite Energy. Whether you’re on-site with a generator in need of repair, or interested in purchasing a new power solution – consider it done. Contact us today to talk about your individual needs.

  • Backup Generator Service & Repair
  • Backup Generator Sales
  • Continuous Power Generator Service & Repair
  • Continuous Power Generator Sales


W.W. Williams is widely known for the advance skills of our diesel mechanics. We are partners with Detroit Deisel, Deutz and MTU - offering sales, parts, and service support. Our locations service all makes and models - if it's a diesel engine, our mechanics can fix it. Class 8 trucks, medium duty trucks, vans, buses and RVs, even heavy construction equipment and marine engines - if you need diesel engine repair or service, consider it done.

  • Maintenance
  • Diagnostics
  • Repair
  • Engine Rebuilds
  • Engine Sales
  • Replacement Parts

Fire Support & Emergency Apparatus

We help emergency responders minimize vehicle and equipment downtime, control costs and get the to next alarm safely. Our EVT certified technicians stand ready to help. At our Phoenix service center, we also offer Kovatch Mobile Equipment (KME) new fire truck sales. Whether you need a replacement part, engine repair, or 10,000 feet of hose—Consider it Done.

  • Bumper to Bumper Apparatus Service & Repair
  • Engine Service & Repair
  • Transmission Service & Repair
  • Emergency Equipment Service & Repair

Fleet MAnagement Services

From a single truck or trailer to a fleet of thousands, W.W. Williams Phoenix knows how to manage your fleet. Our turnkey solutions will improve fleet uptime, reduce risk, and help you control and manage costs.

  • Bumper to Bumper Service & Repair
  • Customized Fleet Maintenance Schedules
  • Fast Response Field Service Trucks
  • All-Makes Parts Inventory
  • Real-Time Repair Tracking Dashboard
  • National Service Network


We proudly represent top industry manufacturers and brands, including:

WheelTime Promise

Get It Done Right, The First Time.

W.W. Williams is a member of the WheelTime Service Network, a network of service locations across the US and Canada dedicated to getting you back on the road in the shortest possible time.

The Wheeltime Promise
  • Initial assessment within two hours of arrival
  • Completed repairs in the fastest time possible
  • We will meet the cost estimate given
  • We will meet the time estimate given
  • We will notify you within 30 minutes after last labor
  • We will do it right, the first time