This comprehensive manual provides detailed information for maintaining, repairing, and operating Komatsu D61EX-15 and D61PX-15 bulldozers. It covers models with serial numbers B40001 and up. The manual is divided into two sections: the Service Repair Manual and the Operation & Maintenance Manual. The Service Repair Manual offers in-depth technical guidance on dismantling, inspecting, assembling, and troubleshooting various components. It includes detailed illustrations, diagrams, and step-by-step instructions for effective repair procedures. The Operation & Maintenance Manual provides clear instructions and specifications for proper operation, daily checks, lubrication, adjustments, and preventative maintenance to ensure optimal performance and longevity of your bulldozer. This essential resource empowers operators and technicians with the knowledge needed to maintain and repair these powerful machines efficiently and safely.

The Komatsu D61EX-15 and D61PX-15 bulldozers are powerful and versatile machines designed for heavy-duty earthmoving operations. These crawler tractors are renowned for their durability, reliability, and efficiency, making them a popular choice for construction, mining, and forestry applications. Both models share a number of key features, including a robust undercarriage with durable tracks, a powerful engine, and a spacious operator's cab designed for comfort and visibility. The D61EX-15 is equipped with a standard blade, while the D61PX-15 features a powerful parallel blade offering superior pushing power and precision. Both models are equipped with a hydraulic system that provides smooth and responsive operation of the blade, ripper, and other attachments. The D61EX-15 and D61PX-15 offer a range of advanced features designed to enhance operator productivity and safety. These include a sophisticated electronic control system that monitors engine performance and hydraulic functions, an automatic blade control system for precise grading, and a comprehensive safety system with features like an emergency stop button and rollover protection. Their engines are designed for fuel efficiency and low emissions, meeting stringent environmental regulations. The D61EX-15 and D61PX-15 are also equipped with a range of optional attachments, including rippers, winches, and a variety of specialized blades for specific applications. These attachments allow operators to tailor the bulldozer to specific tasks, increasing its versatility and efficiency on a variety of job sites.