Komatsu D58E-1, D58E-1A, D58E-1B, D58P-1, D58P-1B Bulldozer Shop Manual (SEBMU1340106, 1998)

• Covers 1998 Komatsu D58E and D58P bulldozers equipped with 6D125-1 and 6D125-2 engines.
• Official Komatsu publication SEBMU1340106 (June 1998).
• Detailing technical specifications, torque values, exploded-view reference diagrams, and testing procedures for power train, undercarriage, and hydraulic systems.
• Serves as the primary factory reference for critical assembly and maintenance standards across the listed serial number ranges.

System Breakdown and Workshop Utility

If you are tearing down a D58 in the bay, you need exact tolerances, not guesswork. This manual provides direct technical oversight for the Komatsu D58E and D58P lines. It organizes reference material by primary assembly groups. You get a clear look at the structure and function of the engine, power train, undercarriage, hydraulics, and electrical architecture. The document delivers the raw data required for complex disassembly and assembly procedures. Whether you are dealing with the radiator and oil cooler assemblies or rebuilding the steering clutch and final drive reduction systems, the factory specs are clearly laid out.

Engine and Specification Highlights

This documentation lists the critical service data required for heavy drivetrain maintenance. Cylinder head bolt torque values, for example, are laid out in a multi-stage sequence. The assembly data specifies a final-stage angle of 90° ± 15°. Intake valve clearance for the 6D125 engine is strictly listed at 0.33 mm in the cylinder head specification table, and coolant system capacity sits at 57 liters. You will find complete maintenance standards for testing and adjusting values like fuel injection timing, belt deflection, and high-idle speeds. Reference tables cover tightening torques for standard metric fasteners, flared nuts, and O-ring boss piping joints. Always ensure strict safety protocols are followed in the shop; working with heavy equipment requires referencing the complete, original OEM documentation before initiating any hands-on diagnostics or repairs.