After Hours Emergency Service Available

Call our Toll-Free Line: 1-800-686-1224


7125 Hubbard Masury Road
Hubbard, OH 44425

Get Directions

41.1756, -80.5612

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.


7125 Hubbard Masury Road
Hubbard, OH 44425

Get Directions

41.1756, -80.5612


Monday - Friday
7:00 AM - 12:00 AM
Saturday & Sunday


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:

We are located off Interstate 80 from exit 234. Our CDL licensed drivers are capable of pick up or delivery for highway trucks, along with our express parts delivery. Relax in our drivers lounge with free coffee and WiFi access. Ask about our available trailer parking.

In The News

Daimler Trucks’ recent Technician Skills Competition tested technicians’ ability to diagnose and repair the company’s Freightliner Cascadia, New Cascadia, Detroit Diesel heavy-duty engine, and DT 12 transmission.

Terry Podralski of W.W. Williams Youngstown came in first in the Engine Competition. We’re proud to have him as a member of the W.W. Williams team!

Learn More


We proudly represent top industry manufacturers and brands, including:


W.W. Williams was very prompt. It felt like I was dealing with someone who knew what I was going through, which is very important to me. They really cared about getting me back on the road. I have not met many other mechanics that have that kind of empathy. 


I like W.W. Williams, they do a good job and get right to it. 

Independent Truck Driver Detroit Diesel Truck Service

W.W. Williams has the best technicians and service people I have ever dealt with. I am usually only able to come to them in the evening, but they are always helpful and able to get me in. 


W.W. Williams always goes out of their way to help us out and they are really familiar with the old engines we use. 

Heavy Diesel Engine Repair Shop Truck Parts

I was so pleased with the service I had done at W.W. Williams. I was on a deadline for a delivery going to Northeastern USA. I called ahead to the station and explained my situation, they apologized and said they did not have the part in stock and would have to overnight it. I did not have time to wait and they said if I could locate the part they could get the work done. I found a part and just like they promised, they pulled the truck in and had the work done in two hours! The mechanics worked so hard and even steam cleaned my engine for me. I made my deadline with no problems. I was very, very pleased for all they did for me. 


W.W. Williams did a really good job. The engine I have is not easy to work on, but it did not phase them. They had to order some parts from another location and did not charge me anything extra. The work was great and cost less than expected!  


W.W. Williams has great service and are timely. They also listen to the problems and have fair prices. 

Trucking Company Truck Service

They are friendly at W.W. Williams and provide great customer service. 

Logging Company On-Highway Parts

W.W. Williams is great. They always try to help and always advise us on the issue. 

Trucking Company Truck Parts & Repair

The service W.W. Williams provided was great. They were able to find the issue and were prompt. 

Tree Service Company Truck Service

I have been using W.W. Williams for service since the 1960’s. They are very good people to work with. Everyone is very courteous, knowledgeable, and friendly. 

Trucking Company Truck Service

W.W. Williams provides prompt service and were excellent to deal with. 

Trucking Company Reefer Service

W.W. Williams does an excellent job and gives us great support. We have been working with them for quite some time. 

Processing and Steel Mill Services Truck Service

W.W. Williams has great customer service, they communicate with us, and they always have the parts we need in stock. 

Towing and Recovery Services Diesel Engine Parts

I did not have any issues with W.W. Williams and they were able to fix the unit in time for our run. 

Contract Trucking Company Truck Service

They are knowledgeable and precise at W.W. Williams. They don’t come up with excuses as to why a part is not in stock. 

Truck Repair Shop Reefer Parts

The employees at W.W. Williams are friendly and helpful. 

Owner/Operator Reefer Parts

W.W. Williams has good timing, and timing is important to us. 

Trucking Company Reefer Service

W.W. Williams got us in and out quickly and we have had no issues since. 

Trucking Company Reefer Service

I appreciate the speed W.W. Williams has for getting the equipment into the shop, repaired, and back on the road. I also think dealing with the employees is very pleasant. 

Transportation and Logistics Company Reefer Service

W.W. Williams got me taken care of quickly. They were polite and professional. 

Money Transfer Company Reefer Service

Truck & Vehicle Repair & Service

We understand the priorities of today's drivers: uncompromised safety, maximum uptime, and honest service. At our Youngstown location, we have extensive experience in all makes and models of industrial engine repowers, as well as cab climate control in your truck or in the field. Our truck chassis and horse power dynamometer testing, along with Allison Transmission dynamometer testing make us the first choice for your diagnostics care. In addition, we offer the following commercial truck repair, vehicle repair & equipment services:

  • Diesel Engine Service & Repair
  • Transmission Service & Repair
  • Bumper to Bumper Service & Repair
  • Cab Climate Control Parts & Service
  • Preventative Maintenance

Power Generator Service & Sales

W.W. Williams Youngstown is much more than a normal service center. We are service and sales professionals who specialize in power generation products from mtu. Whether you have an on-site generator that needs fixed, or you’re interested in a new continuous power solution – consider it done. Contact us by phone, email or in person to talk through your particular needs.

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

Marine Engine Repair & Service

From work boats and tug boats to pleasure crafts and yachts, W. W. Williams Youngstown is fully equipped to handle all of you marine engine needs.

  • General Maintenance
  • Tune-Ups & Troubleshooting
  • Overhauls
  • Electronic Controls
  • Vessel Repowers
  • Service & Repair for All Makes & Models

Diesel Engine Repair, Service & Sales

W.W. Williams is widely known for the advanced skills of our diesel mechanics. We are partners with Detroit Diesel, Deutz, Isuzu, mtu, and Yanmar - 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

Emergency Vehicle Repair & Service

We help emergency responders minimize vehicle and equipment downtime, control costs and get the to next alarm safely. Our EVT and NFPA certified technicians stand ready to perform fire pump service and mobile fire pump testing. 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

Truck & Transport Refrigeration Solutions

When your cargo is perishable or requires precise climate control, you have zero room for error. Count on us for expert and timely truck refrigeration and reefer repair, service, and parts. We’re also a Carrier® Transicold dealer and service provider.

  • Truck Refrigeration Products
  • Trailer Refrigeration Products
  • Intermodal & Rail Refrigeration Products
  • Refrigeration Service & Repair

Commercial Vehicle & Truck Parts

Rely on the experts at W.W. Williams for the parts you need to keep your trucks and commercial vehicles running. We are an authorized reseller for:

  • Allison Transmission
  • Carrier Transicold
  • Detroit Diesel
  • Isuzu Diesel
  • Mercedes-Benz Engines
  • mtu Engines
  • mtu Power Generation
  • Northern Lights
  • Weller Transmission
  • Yanmar

Fleet Maintenance Management

From a single truck or trailer to a fleet of thousands, W.W. Williams Youngstown 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

Solutions for the Whole Truck & Trailer

Any make. Any model. Any year. Consider It Done.

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