This comprehensive Komatsu 140-3 Series Diesel Engine Service Repair Manual provides you with detailed instructions and guidance for servicing and repairing your engine. It encompasses a wealth of information, including service procedures, repair procedures, assembly and disassembly instructions, wiring diagrams, and troubleshooting guides. The manual is designed to empower you to tackle repairs and maintenance effectively, reducing the need for professional assistance.

The Service Manual features detailed illustrations, electrical and hydraulic diagrams, real-life photographic illustrations, and schematic diagrams. These visual aids guide you through every step of the repair process, ensuring clarity and accuracy.

This manual covers a wide range of Komatsu models, including the SA6D140E-3, SAA6D140E-3, and SDA6D140E-3 engines. It specifically addresses models with serial numbers ranging from 110001 to 112349/112350 and up. The covered models include popular Komatsu equipment such as the D155AX-5 Bulldozer, PC600-6 Hydraulic Excavator, WA500-3 Wheel Loader, DCA400SSK Generator, HD325-6 Dump Truck, HM350-1 Articulated Dump Truck (both standard and 40°C spec versions), HM400-1 Articulated Dump Truck, PC750-6, PC750LC-6, PC750-7, PC800-6, PC800-7, PC1800-6 (USA) Hydraulic Excavators, and D275A-5 and D275AX-5 Bulldozers.

The manual is structured to ensure easy navigation and finding the information you need. The table of contents includes comprehensive sections outlining the engine's general overview, specifications, overall drawing, weight table, engine performance curves, structural and functional characteristics, maintenance standards, testing and adjusting procedures, disassembly and assembly instructions, and repair and replacement of parts.

The content covers a wide range of areas including the intake and exhaust systems, engine components, lubrication system, fuel system, coolant system, accessories, electrical components, testing and adjusting procedures for various components, troubleshooting guides for engine and electrical systems, detailed disassembly and assembly instructions, and specific repair and replacement procedures for key engine components like the cylinder head and cylinder block.

This manual provides you with the knowledge and guidance to effectively maintain and repair your Komatsu 140-3 Series Diesel Engine, enabling you to save money and ensure the longevity and optimal performance of your equipment.

The Komatsu 140-3 Series diesel engine is a powerhouse of a machine, renowned for its durability, reliability, and powerful performance. This engine series, encompassing numerous models like the SAA6D114E-3 and SAA6D125E-3, serves as the heart of a wide range of Komatsu machinery. From excavators and bulldozers to loaders and forklifts, these engines power equipment crucial to construction, mining, and other heavy-duty applications. The 140-3 Series engines are known for their robust design, featuring a durable cast iron cylinder block and robust crankshaft. They boast advanced fuel injection systems that optimize fuel efficiency and minimize emissions. Additionally, these engines are designed to withstand extreme operating conditions, ensuring continuous functionality in challenging environments.

The Komatsu 140-3 Series engines are built with a focus on reliability and longevity. They are equipped with advanced monitoring systems that provide operators with vital information about engine performance, ensuring early detection and prevention of potential issues. This proactive approach contributes to their renowned durability and reduces downtime. The service repair manual for this series is an indispensable tool for technicians and mechanics. It provides detailed information on every aspect of the engine, from its intricate components to its complex systems. This manual serves as a comprehensive guide for troubleshooting, maintenance, and repair, enabling professionals to maintain the engine's optimal performance and extend its lifespan. The availability of detailed repair instructions ensures the engine remains in top condition, maximizing its operational efficiency and minimizing the risk of costly breakdowns.