Welcome to JJR HD Maintenance & Machine, your go-to source for all things diesel-related! We take pride in being your trusted diesel engine maintenance, repairs, and roadside assistance partner. Whether you own a fleet of vehicles, farm equipment, forestry machines, or heavy trucks, we've got you covered. Our technicians understand the intricacies of diesel equipment and are committed to ensuring they operate at peak performance. We are proficient in diesel fuel systems, hydraulics, transmissions, drivetrains, steering... read full review »