Had new Allison transmission installed in my 1999 U270 Foretravel Diesel Pusher Motor Home. Mr James Williams is the service manager and he and his staff ensured that everything was done right the first time. We had issues with Allison supplying the transmission. I was kept informed at all times as to status. In addition I went ahead and had 8 airbags replaced. Along with having the Power Tech generator assessed for performance and specifications. Upon generator check out many small corrections along with voltage regulator needing replacement were performed. They are my go to shop for service of Allison transmission service.

Parts guys were very knowledgeable and friendly. Prices are competitive. Will be back for my parts needs.

Stewart and Stevenson, oh yes!! Finnaly to find a service you can trust, where you can leave your car / truck keys and be sure that everything will be done on time and how it should be.Always ask for James, service manager, make a deal with him and count on it. He is a trusting person.Me and my buddy Vladimir, we are really positively surprised with they work downthere in Longview, and for sure we will come back again. Thank you guys so much, you are truly awesome and like we said, people need to know more about you guys and we will continue to talk about you for a long time!Best regards! Thanks!!!

These guys are real professionals and the staff is very friendly and helpful! Especially service manager James Williams! Thank you guys very much!

Stewart & Stevenson has excellent service and multiple trained generator technicians that can fix any problem a generator has! They work on any brand and any size from home units to the largest industrial units!

Highly qualified technicians

They have highly qualified technicians with 24-7 service!