Komatsu D155AX-5 / D155 Shop Manual

Official Komatsu D155AX-5 Shop Manual

• Covers 2004 Komatsu D155AX-5 bulldozer configurations, including U-tiltdozer and ripper-equipped variants, with detailed specifications for serial numbers 70001 and up
• Official Komatsu publication P/N SEBM016206, printed October 2004
• Contains 50+ detailed system-level schematics, hydraulic circuit diagrams, and assembly overview illustrations
• Delivered as a direct download the moment payment clears
• File resolution preserves fine-line detail in electrical and hydraulic diagrams
• OCR text layer lets you jump to a torque spec by keyword
• Your order stays downloadable from your account for life
• This official edition documents the SA6D140E-2 and SA6D140E-3 engine installations and power-train component integration

Component Scope and System Architecture

The 2004 Komatsu D155AX-5 shop manual documents the technical parameters and internal structure of this heavy-duty bulldozer. The manual is partitioned into specific chapters focusing on system-wide organization, including the general specifications, detailed structure and function of the power train, testing and adjustment protocols, disassembly and assembly sequences, and maintenance standards for inspection.

The documentation provides an in-depth view of the HSS hydrostatic steering system, torque converter assemblies, power shift transmissions, and hydraulic control valve banks. Operators and service personnel can find information on the mechanical linkage between the engine, the cooling systems, and the work equipment, as well as clear identification of electrical wiring color coding.

Specification and Reference Values

This manual provides comprehensive technical data for maintenance and service. The engine-to-transmission coupling documentation includes specific torque values for bolts, nuts, and flared nuts across the machine. The cooling system capacity is documented at 625 liters for the main fuel tank. The maximum delivery pressure for the HSS pump is specified at 41.2 MPa (420 kg/cm²). The work equipment pump maximum pressure is 20.6 MPa (210 kg/cm²). Hydraulic tank capacity is listed according to machine configuration. Reference only — always consult a certified technician before performing service on this equipment. This official Komatsu shop manual is the primary reference for the D155AX-5 build, providing complete specifications for engine, hydraulics, power train, and undercarriage components across the 70001 and up serial number range.