This comprehensive Komatsu D85A-21, D85E-21, and D85P-21 Dozer Bulldozer Factory Service Repair Manual provides detailed information for service and repair operations. It covers machines with serial numbers 35001 and up, ensuring you have the most up-to-date information for these powerful bulldozers. The manual includes detailed instructions, diagrams, and specifications to assist technicians in performing a wide range of maintenance and repair tasks. From engine and transmission overhauls to hydraulic system troubleshooting, this manual offers a complete resource for addressing all aspects of these machines. You'll find information on troubleshooting, component replacement, system adjustments, and routine maintenance procedures. This manual is an essential tool for any mechanic or owner seeking to maintain and repair Komatsu D85A-21, D85E-21, and D85P-21 Dozer Bulldozers.

The Komatsu D85A-21, D85E-21, and D85P-21 are powerful and versatile crawler tractors, specifically designed for heavy-duty earthmoving tasks. These models are part of Komatsu's renowned D85 series, known for their robust construction, powerful engines, and advanced hydraulic systems. The D85A-21 is a standard model with a durable and reliable design, while the D85E-21 features an electronically controlled transmission for enhanced fuel efficiency and performance. The D85P-21 is a production-oriented model optimized for high productivity, often equipped with specialized attachments for specific tasks. All three models come equipped with powerful Komatsu SAA6D140E-2 engines, delivering high torque and exceptional power output. These engines are renowned for their fuel efficiency and low emissions, meeting stringent environmental standards. The D85 series employs a robust undercarriage featuring durable track frames, heavy-duty rollers, and sealed track chains, ensuring long-lasting performance in demanding conditions.

The Komatsu D85A-21, D85E-21, and D85P-21 are equipped with advanced hydraulic systems that provide precise control over the blade, ripper, and other attachments. These systems feature high-flow pumps and valves, ensuring efficient and responsive operation. These dozers can be customized with a wide range of attachments, including blades of various sizes and configurations, rippers for heavy-duty soil penetration, and specialized tools for specific applications. The operator cab features ergonomic design, providing a comfortable and safe working environment. The D85 series incorporates advanced safety features, such as rollover protection systems (ROPS), fall-arrest systems (FOPS), and multiple warning systems, enhancing operator safety and reducing the risk of accidents. With their powerful engines, robust construction, and versatile capabilities, the Komatsu D85A-21, D85E-21, and D85P-21 are reliable and efficient machines, ideal for a wide range of applications, including heavy-duty earthmoving, site preparation, and construction projects.