This comprehensive Komatsu KDC 410 & 610 Series Engine 1991 Model Specification Manual provides detailed specifications and assembly instructions for the 1991 model year KDC 410 and 610 series engines. It covers a wide range of components and systems, making it an essential resource for mechanics, technicians, and anyone involved in the maintenance and repair of these engines.

The manual contains detailed assembly and rebuild specifications for the 410 and 610 Series engines and related components. It includes detailed information on capscrew markings and torque values, component specifications and torque values, engine assembly specifications, engine component torque values, engine identification, external engine components, general engine specifications, a Newton-Meter to Foot-Pound Conversion Chart, pipe plug torque values, service literature ordering location, specifications – general information, and a tap-drill chart.

With its comprehensive content and easy-to-navigate format, this manual is an invaluable tool for anyone working with Komatsu KDC 410 & 610 Series engines. It is a complete and intact document, ensuring that all necessary information is readily available.

The Komatsu KDC 410 & 610 series engines, launched in 1991, represented a significant advancement in power and efficiency for Komatsu's construction equipment lineup. These engines were designed to power a range of heavy-duty machines, including excavators, bulldozers, and loaders. The KDC 410 and 610 models featured a robust design with a focus on reliability and durability, making them ideal for demanding applications. Key features included a durable cast iron cylinder block and crankshaft, high-strength connecting rods, and a robust cooling system. The engines also incorporated advanced fuel injection technologies to optimize fuel efficiency and reduce emissions. These engines were designed for optimal performance under varying load conditions, delivering impressive power outputs and torque characteristics.

The Komatsu KDC 410 & 610 series engines were available in various configurations, each tailored to specific applications. The KDC 410 engine, a four-cylinder model, was renowned for its compact size and high power density. It was often used to power smaller excavators and loaders. The KDC 610, a six-cylinder engine, offered greater power and torque, making it suitable for larger and heavier machines like bulldozers and excavators. Both engine series were known for their long service intervals and easy maintenance, contributing to their cost-effectiveness and operational efficiency. The Komatsu KDC 410 & 610 series engines played a crucial role in establishing Komatsu's reputation for quality and reliability in the construction equipment market. These engines were designed to meet the demanding requirements of heavy-duty operations, offering a combination of power, efficiency, and durability that made them a popular choice worldwide.