Headquartered in Minneapolis, Minnesota, Midwest Diesel has been satisfying customers for over 32 years. Midwest Diesel supplies Caterpillar dealers, truck dealers, repair shops, engine rebuilders, machine shops, and truckers worldwide. Our goal is to provide the highest quality in new surplus Cat parts, reconditioned Cat parts, and new surplus Cat engines. Midwest Diesel is an authorized Caterpillar TEPS Dealer, our parts personnel are experts... we know Caterpillar!! With nearly 30,000 parts in stock, we offer great pricing, excellent customer service, and, in most cases, same-day shipping.