W.W. Williams & Allison Transmission

We're Your Allison Transmission Partner

For 100+ years, Allison Transmissions have built a reputation on performance and durability—equipping the transport industry with the ability to get the job done more efficiently. At W.W. Williams, we are a proud Allison Transmission distributor and service provider—and we're known for understanding the products inside and out. With top-notch service centers, factory trained technicians, and knowledgeable support staff, we'll help you get more out of your transmissions and vehicles.

Find an Allison Transmission Service Center Near You

Need transmission repair or service? In the market for a new transmission?

Full Service Support & Sales for Allison Transmission


We are your authorized Allison Transmission warranty service provider, with trained technicians dedicated to helping you optimize performance. We do it all—repairs, overhauls, rebuilds and standard maintenance all designed to increase the uptime and life of your transmission. Our Allison Transmission repair services include:

  • SPEC Tool© investment analysis
  • Driveline spec’ing with iSCAAN
  • Allison DOC™ software
  • Allison TransHealth™
  • Mobile service capabilities
  • Experienced, factory trained technicians


W.W. Williams took care of us. I dropped my truck off the night before and they called me when it was ready. Time is important to a small business like us and they did it quickly. 

Heating Contractor Allison Transmission Service

The people at W.W. Williams are honest and kind. I really appreciate that they allow me to wait at the facility while the repair is being done. 


The customer service W.W. Williams provided was excellent. Steven was knowledgeable about what he was doing. He tried to explain it to us over the phone, had a great attitude, and was responsive. 

Independent Truck Driver Allison Transmission Service

W.W. Williams is the only facility in our area that can handle the work on the Allison Transmission. They know what they are doing. 


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


W.W. Williams got my truck in and out in a timely manner. I have been using them for about 20 years. 

Natural Gas Company Allison Transmission Service

W.W. Williams is the Allison service facility in our area. They do a great job. 

Local Commissioner Allison Transmission Service

W.W. Williams provided quality work and were professional. 

City of Tuskegee Allison Transmission Service

W.W. Williams provides quality work that is efficient. 

County Commission Allison Transmission Service

We send all of our Allison work to W.W. Williams. They get the job done. 

Truck Accessories Store Allison Transmission Service


In the market for a new or refurbished diesel transmission? Allison diesel transmissions have a global reputation for quality, efficiency, reliability, and durability. We represent product lines for every application—both on-highway and off-highway. From big rigs to coach buses to RVs—we’ll help you find the heavy duty transmission you’re after.

  • 1000 – 3000 PTS (Pupil Transportation/Shuttle) Series
  • 1000 – 4700 RDS (Rugged Duty) Series
  • 1000 – 4500 HS (Highway) Series
  • 1000 – 4800 EVS (Emergency Vehicle) Series
  • 1000 – 4000 MH (Motor Home) Series