Stop by our truck repair shop in Hayward, California, for professional truck and trailer repair services. From engine and transmission repairs to DOT and BIT inspections, JJJR Truck Repair & Maintenance is fully equipped with state-of-the-art equipment to handle all of your truck repair needs in a timely, efficient manner. Backed by 30 years of experience, our certified technicians have the expertise to do the job right the first time. Additionally, we specialize in independent fleet service. Contact JJJR's today for more information.