This comprehensive manual provides detailed information on the maintenance, repair, and operation of Komatsu D39EX-22 and D39PX-22 bulldozers, covering serial numbers 3001 and up. It includes two essential sections: the Service Repair Manual and the Operation & Maintenance Manual. The Service Repair Manual offers in-depth guidance on diagnosing and troubleshooting mechanical issues, providing step-by-step instructions for disassembly, repair, and reassembly of various components. It also includes detailed diagrams, specifications, and troubleshooting charts for efficient problem-solving. The Operation & Maintenance Manual equips operators with the knowledge needed for safe and efficient operation of the bulldozer. It covers topics such as pre-operational checks, daily maintenance procedures, operating techniques, and emergency procedures. This manual is an indispensable resource for mechanics, technicians, and operators seeking to optimize the performance and lifespan of Komatsu D39EX-22 and D39PX-22 bulldozers.

The Komatsu D39EX-22 and D39PX-22 bulldozers are robust and powerful machines designed for heavy-duty earthmoving operations. These models, introduced with serial numbers starting from 3001, represent a significant upgrade over previous generations, incorporating advancements in engine technology, hydraulics, and operator comfort. The D39EX-22 is equipped with a powerful Komatsu SAA6D140E-2 engine, known for its efficiency and reliability, while the D39PX-22 features the SAA6D140E-3 engine, delivering even greater power output. Both models boast advanced hydraulic systems that provide precise control and smooth operation. These bulldozers are built to withstand the rigors of demanding applications, with a durable chassis and heavy-duty components. The operator cab is designed with ergonomics in mind, featuring a comfortable seat, intuitive controls, and excellent visibility. The D39EX-22 and D39PX-22 are also equipped with a range of safety features, ensuring operator well-being and efficient operation.

The Komatsu D39EX-22 and D39PX-22 bulldozers are versatile machines suitable for a wide range of applications, including large-scale earthmoving, site preparation, and road construction. Their powerful engines and hydraulic systems allow them to handle heavy loads and demanding tasks with ease. The D39EX-22, with its focus on efficiency and reliability, is ideal for long-term operation in various conditions. Conversely, the D39PX-22, with its increased power output, excels in applications requiring maximum performance. These models are designed to meet the needs of professionals in the construction and mining industries, offering a combination of power, durability, and user-friendliness. Both the D39EX-22 and D39PX-22 are supported by Komatsu's extensive dealer network, providing access to parts, service, and technical expertise. These resources ensure that these bulldozers remain operational and productive throughout their service lifespan.