This comprehensive Komatsu D85C-21 Bulldozer Workshop Service Repair Manual provides detailed instructions for servicing and repairing your machine, covering models with serial numbers 36551 and up. It's the official factory manual, ensuring you have the most up-to-date and accurate information available. The manual covers a wide range of topics, including: * **General specifications and information:** This section provides an overview of the D85C-21 Bulldozer, including its design features, dimensions, weights, and operating parameters. * **Engine and powertrain:** Find detailed information on the engine, transmission, hydraulic system, and other components related to power and locomotion. * **Undercarriage and tracks:** Learn about the undercarriage components, including the tracks, rollers, idlers, sprockets, and their maintenance procedures. * **Hydraulics and controls:** Explore the hydraulic system, including the pumps, valves, and cylinders. The manual explains how to diagnose and repair hydraulic issues. * **Electrical system:** Gain insights into the D85C-21's electrical system, covering the wiring diagrams, troubleshooting, and repair procedures for electrical components. * **Operator's cab:** Understand the operator's environment, including the controls, gauges, and safety features. * **Troubleshooting and diagnostics:** The manual includes a comprehensive section on troubleshooting common problems and performing diagnostic tests. * **Maintenance schedules and procedures:** Follow the recommended maintenance schedules and learn proper lubrication techniques for all components. * **Parts diagrams:** Easily identify and locate specific parts using detailed illustrations and diagrams. This manual is an essential resource for anyone who owns, operates, or maintains a Komatsu D85C-21 Bulldozer. It provides the information you need to keep your machine running smoothly and efficiently.

The Komatsu D85C-21 is a powerful and versatile crawler tractor designed for a wide range of heavy-duty earthmoving tasks. It is a member of the Komatsu D85 series, known for its rugged construction, reliable performance, and operator comfort. This specific model, the D85C-21, boasts a robust 11.4-liter, six-cylinder diesel engine that delivers impressive power and torque for tackling demanding applications. The D85C-21 is equipped with a well-balanced undercarriage, featuring durable tracks and a robust frame, ensuring optimal stability and maneuverability across uneven terrain. Its hydraulic system provides precise control and substantial lifting force for efficient blade and ripper operations. The D85C-21 is further enhanced with numerous operator-centric features, including a spacious and ergonomically designed cab, a comfortable seat, and intuitive controls for enhanced operator comfort and productivity. The Komatsu D85C-21 is a highly sought-after machine in the construction, mining, and forestry industries. Its robust design and advanced features make it ideal for tasks such as site preparation, land clearing, excavation, and material handling. The D85C-21 delivers consistent performance and reliability even in the most challenging environments. Its versatility is further enhanced by its compatibility with a wide range of attachments and implements, including different blade configurations, rippers, and winches, allowing operators to customize the machine to suit specific project needs. The Komatsu D85C-21 is a powerful and dependable piece of equipment that combines durability, efficiency, and operator comfort to deliver exceptional productivity in various demanding applications.