This comprehensive service repair manual provides detailed instructions and illustrations for the Komatsu WB91R-2 and WB93R-2 Backhoe-Loaders with serial numbers 91F20145 and 93F23453 and up. The manual covers a wide range of topics, including engine, transmission, hydraulics, electrical systems, and more. It is designed to assist technicians and mechanics in performing maintenance, troubleshooting, and repair procedures on these machines. With step-by-step instructions, clear diagrams, and detailed specifications, this manual is an essential resource for anyone working on Komatsu WB91R-2 and WB93R-2 Backhoe-Loaders.

The Komatsu WB91R-2 and WB93R-2 are robust backhoe-loaders designed for a wide range of construction, utility, and agricultural tasks. These machines are known for their reliability, power, and versatility, making them popular choices for contractors, municipalities, and farmers alike. The WB91R-2 and WB93R-2 feature a powerful engine, a heavy-duty hydraulic system, and a comfortable operator cab, all designed to handle demanding work environments. The backhoe attachment provides precise digging and loading capabilities, while the front loader is ideal for moving and handling materials. Both models benefit from advanced operator controls, allowing for intuitive and efficient operation. The WB91R-2 and WB93R-2 models are fitted with advanced safety features, such as rollover protection structures (ROPS) and operator presence systems, prioritizing operator safety on the job site. The Komatsu WB91R-2 and WB93R-2 backhoe-loaders are designed for exceptional performance and productivity. The WB91R-2 features a 4-cylinder, water-cooled turbocharged engine, while the WB93R-2 utilizes a more powerful 6-cylinder, water-cooled turbocharged engine. Both models offer high torque and horsepower outputs, enabling them to tackle challenging tasks with ease. Their heavy-duty hydraulic systems provide ample lifting capacity and digging force, while the responsive controls ensure precise movements and efficient operation. The spacious operator cab features ergonomic seating, intuitive controls, and excellent visibility, maximizing operator comfort and productivity. The WB91R-2 and WB93R-2 backhoe-loaders are renowned for their durability and longevity, capable of handling heavy workloads and demanding environments over extended periods.