About
At Ultimate Truck Service in Ridgefield, WA, the team strives to be the one-stop truck shop for all truck and trailer maintenance needs. Family owned and operated since 1999, their philosophy is if it’s broke, they can fix it. And if it’s not broke, they can help maintain it so that it lasts longer. Founder Dave Jennerjohn has 40 years of experience as a tech, and their technicians are ASE certified, CAT certified, Cummins certified, Airbrake Systems certified, and Detroit Diesel certified. In 2026 Dan Brown and Jesse Kane have taken over ownership. The shop provides services including: Airbrake System Issues, Differential Repair or Replace, Engine Service, Hydraulics Services, Transmissions (repair or replace), Installation of Drop Axles, Fabrication. They have a comfortable waiting room with fresh coffee, water, and free Wi-Fi.