This comprehensive Komatsu D85P-21 Dozer Bulldozer Factory Service Repair Manual provides detailed technical information and repair procedures for your equipment. It covers models with serial numbers 3001 and up, ensuring you have the most up-to-date information available. The manual is designed for experienced technicians and mechanics, offering detailed instructions for all aspects of maintenance and repair, including:

* **Engine:** Thorough coverage on the engine, including specifications, troubleshooting, disassembly, and reassembly procedures.
* **Transmission and Drivetrain:** Complete information on the transmission, final drives, and other drivetrain components, including repair and overhaul procedures.
* **Hydraulic System:** Detailed diagrams and descriptions of the hydraulic system, including component identification, troubleshooting, and repair instructions.
* **Undercarriage:** In-depth coverage of the undercarriage components, including track chains, rollers, sprockets, and idlers, with detailed instructions for repair and replacement.
* **Electrical System:** Detailed descriptions and wiring diagrams for the electrical system, including troubleshooting and repair procedures.
* **Operator's Cab:** Information on the operator's cab components, including seat adjustments, controls, and safety systems.
* **Detailed Exploded Views:** Extensive illustrations and exploded views provide clear and easy-to-understand visual guides for component identification and assembly.
* **Troubleshooting Charts:** Comprehensive troubleshooting charts help you quickly identify and resolve potential issues with your Komatsu D85P-21 Dozer Bulldozer.

With this manual, you will have all the necessary information to perform professional maintenance and repair on your Komatsu D85P-21 Dozer Bulldozer, ensuring optimal performance and longevity of your equipment.

The Komatsu D85P-21 is a powerful and robust crawler tractor, designed for heavy-duty earthmoving applications. It's a part of the D85 series, known for its reliability and performance, and the "P-21" designation signifies its specific model iteration. This dozer is a crucial piece of equipment for construction, mining, and forestry projects, boasting impressive capabilities in tasks like clearing land, excavating, and moving large volumes of earth. The D85P-21 is powered by a robust diesel engine, delivering high torque and horsepower to efficiently operate its massive tracks and blade. The machine features a sturdy frame and robust components, making it capable of handling demanding tasks in various terrains and weather conditions. Additionally, the D85P-21 incorporates advanced features for operator comfort and safety, including a spacious and well-appointed cab with ergonomic controls and a comprehensive safety system.

The D85P-21's advanced features include a sophisticated hydraulic system that provides precise control of the blade and other implements. This enables operators to perform intricate maneuvers with ease, ensuring efficient and accurate work. Furthermore, the D85P-21 boasts a durable undercarriage designed for longevity and minimal maintenance. Its tracks are constructed using high-quality steel and reinforced for maximum resistance to wear and tear, further enhancing its reliability and reducing downtime. The Komatsu D85P-21 is a testament to the brand's commitment to building high-performance and reliable equipment. It is a critical asset in various industrial sectors, contributing to infrastructure development, resource extraction, and land management. Its robust construction, advanced features, and operator-centric design make it a preferred choice for professionals seeking a reliable and efficient dozer for heavy-duty applications.