At Triple Threat Diesel, we specialize in heavy-duty truck repair in Grande Prairie. From diesel truck service & maintenance to semi-truck diagnostics & engine rebuilds, we have you covered. Our expert team also offers fleet maintenance for commercial trucks, ensuring your vehicles stay in top shape. With our 24/7 service truck, we’re ready to help you anytime, anywhere. As the best diesel repair shop in Grande Prairie, we’re committed to keeping your trucks running smoothly and efficiently.