Knudson Transmission Services

Knudson Transmission Services is a transmission shop in Des Moines, Iowa, serving drivers throughout the city and central Iowa. The business provides transmission repair and service for domestic and foreign vehicles, including manual transmissions, clutches, transfer cases, auxiliary coolers, U joints, CV axles, and shafts. Services include fluid, filter, and flush work, external inspection, test drive and diagnostics, accurate price quotes, and local towing with major repairs. The shop offers a standard 2-year / 24,000-mile nationwide warranty on all qualifying transmission work and honors most extended warranty programs. It serves performance vehicles, RVs, and heavy-duty recreational towing needs. The business has been operating since 1951 and is family owned and operated with three generations of experience.

The shop has been located at 4301 SE 14th Street since 1999, having moved from an earlier location on Southeast 14th Street. The original business was founded in 1951 by C.E. (Knute) Knudson, who started in a backyard garage on Wall Avenue. The family legacy continued through his son Bill, who began working at the shop in 1968 and later passed the business to his son James, who started working at age twelve. The shop expanded to a six-bay facility with 5,000 square feet to accommodate growing demand. The company emphasizes integrity, reputation, and the use of high-quality products from trusted vendors.

Knudson Transmission Services is located on SE 14th Street, about a mile from Jackson Elementary School and a short distance from East McKinley Avenue and Indianola Avenue. It sits near Yeader Creek and is within a quarter mile of Alpha Women's Center. The shop is situated on a main road with access from nearby residential and commercial areas.

The business maintains a 4.60 rating based on customer reviews, reflecting consistent service quality and customer satisfaction. It is recognized as a trusted provider in Des Moines for transmission work, with long-standing relationships built through reliability and honest service. The shop is known for its deep local roots and commitment to quality repair across a wide range of vehicles.