International Harvester built its reputation on rugged, dependable diesel engines that have powered American agriculture, construction, and transportation for generations. The legendary DT466, often called "The Legend" for its million-mile capability, became one of the most successful mid-range diesel engines ever produced. From the reliable DT360 and DT408 to the powerful MaxxForce series, International engines are engineered for extreme durability and serviceability. Their wet-sleeve design, robust construction, and field-proven reliability have made International diesel engines the trusted choice for school buses, medium-duty trucks, agricultural equipment, and industrial applications worldwide.

RF Engine is your complete source for International Harvester diesel engines and parts, supporting the legacy fleet that keeps America working. We maintain a comprehensive inventory of new aftermarket, remanufactured, and quality used International engines and components for all models—from vintage IH engines to modern MaxxForce applications. Whether you're rebuilding a classic DT466, maintaining a DT360, or servicing MaxxForce engines, our extensive selection ensures you'll find the exact parts you need. With competitive pricing, technical expertise, and fast delivery, RF Engine is your trusted partner for keeping International-powered equipment running strong for generations to come.