This comprehensive Komatsu Operation & Maintenance Manual is designed specifically for the WB140-2N and WB150-2N backhoe loaders. It covers a wide range of essential information, including detailed operating procedures, maintenance schedules, troubleshooting guides, and component specifications. This manual is an invaluable resource for operators, mechanics, and anyone involved in the day-to-day operation and maintenance of these powerful machines. The manual is applicable to machines with serial numbers WB140-2N A20001 and up, and WB150-2N A60001 and up.

## Komatsu WB140-2N and WB150-2N Backhoe Loaders: Powerful Workhorses for Construction and Beyond The Komatsu WB140-2N and WB150-2N backhoe loaders are robust and versatile machines designed for a wide range of construction and utility applications. These models are known for their exceptional performance, reliability, and operator comfort, making them ideal for tasks like excavating trenches, loading materials, digging foundations, and operating various attachments. The WB140-2N boasts a powerful engine and a robust hydraulic system, enabling it to handle demanding tasks with ease. The WB150-2N, on the other hand, offers increased lifting capacity and digging depth, making it suitable for heavier projects and deeper excavations. Both models feature a versatile backhoe and a high-capacity loader arm, allowing operators to seamlessly switch between digging and loading operations. Their compact size and maneuverability further enhance their versatility, allowing them to work in confined spaces and tight areas. The Komatsu WB140-2N and WB150-2N are equipped with numerous features that prioritize operator comfort and safety. The spacious cab provides excellent visibility and ergonomic controls for increased productivity and reduced operator fatigue. Safety features include a rollover protection system (ROPS) and a falling object protection system (FOPS) ensuring operator safety in potentially hazardous situations. These backhoe loaders also incorporate advanced technology for enhanced performance and efficiency. The integrated control systems optimize engine power and hydraulic efficiency, minimizing fuel consumption and reducing environmental impact. These machines are built to last with durable components and robust construction, minimizing downtime and maximizing operational reliability. The Komatsu WB140-2N and WB150-2N embody the company's commitment to providing dependable, high-performing machinery that meets the demands of modern construction and utility projects. Their versatility, durability, and operator-focused features make them valuable assets to any construction or infrastructure operation.