This comprehensive Komatsu 140-3 series diesel engine workshop manual provides detailed information and instructions for servicing and repairing the SA6D140E-3 and SAA6D140E-3 engine models. It includes in-depth coverage of all major components, systems, and procedures, ensuring you have access to the essential knowledge for maintaining and troubleshooting these powerful engines. The manual covers a wide range of topics, including engine disassembly and assembly, lubrication systems, cooling systems, fuel systems, electrical systems, starting and charging systems, and troubleshooting. It is an invaluable resource for mechanics, technicians, and anyone involved in maintaining and repairing Komatsu equipment powered by these engines. The manual specifically covers the SA6D140E-3 and SAA6D140E-3 engines used in a variety of Komatsu machines, including the D155AX-5 Bulldozer, PC600-6 Hydraulic Excavator, WA500-3 Wheel Loader, DCA400SSK Generator, HD325-6 Dump Truck, HM350-1 and HM400-1 Articulated Dump Trucks, PC750-6, PC750LC-6, PC750-7, PC800-6, PC800-7, and PC1800-6 (USA) Hydraulic Excavators, as well as the D275A-5 and D275AX-5 Bulldozers.

The Komatsu 140-3 series diesel engine, specifically the SA6D140E-3 and SAA6D140E-3 models, is a powerful and reliable engine designed for heavy-duty applications. This engine boasts a robust 6-cylinder configuration, delivering impressive performance and durability. The SA6D140E-3 variant, with a displacement of 13.8 liters, is known for its exceptional power output, reaching a maximum horsepower of 460. This engine is often found in a wide range of Komatsu construction equipment, including excavators, loaders, and bulldozers. The SAA6D140E-3 model features similar characteristics but is engineered for specific applications, such as mining and forestry. This engine's impressive torque and fuel efficiency make it suitable for demanding tasks in various harsh environments. The Komatsu 140-3 series diesel engine stands out due to its advanced technological features. The engine is equipped with a sophisticated electronic control system that optimizes performance and fuel consumption. The integrated turbocharger provides efficient air intake, maximizing power output. The engine's durable design includes reinforced components, capable of withstanding extreme operating conditions. The 140-3 series prioritizes reliability and longevity, offering extended service intervals and reduced maintenance requirements. Komatsu's commitment to quality and performance is evident in its rigorous testing processes, ensuring that these engines meet the highest industry standards. The SA6D140E-3 and SAA6D140E-3 models are renowned for their exceptional reliability, delivering long operating life and minimal downtime, ultimately contributing to increased productivity for owners and operators.