Rastgar Engineering Company Established in 1967, Rastgar Engineering specializes in testing, designing, and manufacturing ductile iron Wheel Hubs and Wheel-End components for Heavy-Duty Truck and Trailer applications. With 57 years of experience, we serve OEMs and aftermarket customers in more than 70 countries worldwide. With hundreds of products in our product portfolio, we are the number one choice for American, European, Japanese, and Korean Trucks and Trailers. More Miles, Less Down Time, and Easy Installation “Best in Class" Wheel Hubs and Wheel End Components.