Mon – Fri:  8:00AM – 5:00PM     
406-373-0138  | 4941 Shepherd Acton Rd. | Shepherd, MT 59079  
We, at A1 Auto & Transmission, are automotive service professionals you can trust! Our technicians are ASE, GM Master, GM Mark of Excellence Platinum Level, ATRA certified and we use the latest tools and equipment when servicing your vehicle. We've been helping drivers in Yellowstone County since 1994. A1 Auto & Transmission specializes in all gas or diesel vehicles. We take pride in offering our customers quality service and repair at a fair price. We hope to help you soon!