Komatsu PC35R-8 PC45R-8 Hydraulic Excavator Service Manual (P/N WEBM003900)

• Official Komatsu Utility Division publication (WEBM003900) covering 2002 PC35R-8 and PC45R-8 hydraulic excavators (Serial numbers starting at F20932 and F21251).
• Available as an instant PDF download, fully indexed and searchable across all 286 pages.
• Features 35 exploded-view component diagrams and three comprehensive wiring schematics.
• Includes complete hydraulic pressure settings, standard torque specifications, and fluid capacity charts.

Component and System Documentation

When you need to verify system structures on the shop floor, this OEM manual provides the exact reference data required. It breaks down the power train, swing circle, and final drive gear reduction ratios. You will find detailed overviews of the work equipment, outlining the exact layout of boom cylinders, arm cylinders, and bucket hydraulics. Rather than a step-by-step repair guide, this document serves as a comprehensive structural and technical reference designed to support professional diagnostics and component identification.

Specification and Reference Data

Operating at a maximum hydraulic pressure of 200 bar and an engine rated speed of 2500 rpm, these machines require precise maintenance. The manual outlines specific fluid change intervals and temperature-based coolant requirements to keep the equipment running efficiently.

Please note: High-pressure hydraulic systems pose significant risks. Always consult a certified technician and adhere to standard safety protocols before performing any physical maintenance or adjustments based on these reference charts.