1995-2002 Komatsu PC300-6 / PC300LC-6 / PC350-6 / PC350LC-6 Service Manual

Covers PC300-6, PC300LC-6, PC350-6, PC350LC-6 models with detailed schematics, diagrams, and specifications for optimal maintenance and repair. Ref: SEBM014307.

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Komatsu 1995-2002 Komatsu PC300-6 / PC300LC-6 / PC350-6 / PC350LC-6 Service Manual manual page preview - page 1 of 809

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Technical Safety Notice
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This official OEM document is intended for professional technicians and skilled operators. Performing service on mechanical equipment involves inherent risks. By purchasing, you acknowledge that RepairLoader provides original manufacturer data for informational purposes. Always prioritize safety: use correct tools, wear protective gear, and consult a certified professional if you are uncertain of any procedure.

Komatsu Models Covered & Key Technical Specifications

Models: PC300-6, PC300LC-6, PC350-6, PC350LC-6, PC300HD-6, PC300LL-6, PC350HD-6, PC350LL-6
Sub-models / Variants: 6-Series, Hydraulic Excavator, Long Crawler (LC), Heavy Duty (HD), Log Loader (LL)
Build Years: 1995–2002
Serial Numbers: PC300-6: 33001 and up, PC300LC-6: 33001 and up, PC350-6: 12001 and up, PC350LC-6: 12001 and up
Technical Data:

  • Engine: SAA6D108-2
  • Engine type: 4-cycle, water-cooled, in-line, vertical, direct injection, turbocharged with aftercooler
  • Piston displacement: 7.145 liters
  • Max. horsepower: 172.8 kW (231.7 HP) at 2,050 rpm
  • Max. torque: 897.2 Nm (91.5 kgm) at 1,500 rpm
  • Swing motor: KMF160ABE-3 piston type
  • Travel motor: HMV160ADT-2 piston type
  • Hydraulic pump: HPV160+160 variable displacement piston type x 2
Technical Specifications
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Document Number / Seller:
28423 / Ronald Hernandez
File Size:
34.43 MB
File Type:
PDF
Language:
English
Pages:
809
Printable:
Yes
Category:
Excavator
Last updated / verified
Dec 29, 2025

Komatsu Manual Features & Content Preview

Technical Scope for the 1995–2002 Komatsu PC300-6 and PC350-6 Excavator

  • Covers 1995–2002 Komatsu PC300-6, PC300LC-6, PC350-6, and PC350LC-6 hydraulic excavators, including HD and LL variants
  • Original OEM publication P/N SEBM014307, dated May 2002
  • Contains 809 pages of technical specifications, component logic, and system diagrams
  • OCR text layer lets you jump to a torque spec by keyword
  • Laid out for standard letter and A4 printing
  • Detailed coverage for the SAA6D108-2 engine assembly and hydraulic system configuration
  • Documents serial number ranges 33001 and up for PC300-6/LC-6 and 12001 and up for PC350-6/LC-6
  • Includes full system architecture for the CLSS (Closed center Load Sensing System) hydraulic setup
  • This 2002 edition is the final reference for the dash-6 series, providing the specific assembly and function data for the 300 and 350 class machines.

Component and System Documentation

The 1995–2002 Komatsu PC300-6 and 1995–2002 Komatsu PC350-6 service manual provides in-depth technical summaries of the machine's primary assemblies. Chapters are divided into structure and function, testing and adjusting, disassembly and assembly, and maintenance standards. The document tracks the hydraulic system, engine power train, swing circle, track frame, and control valves, outlining the operational principles behind each. Readers can access detailed views of the pump controllers, solenoid valves, and the various stage-logic of the 6-spool and 10-spool control valves.

Specification and Reference Highlights

Technical data is presented through extensive tables covering standard tightening torques for metric bolts, flared nuts, split flange bolts, and O-ring boss joints. The manual includes specific hydraulic performance metrics, such as a relief cracking pressure of 16.7 ± 6.9 kPa for the hydraulic tank filter, and system capacities. Pump pressure ratings are documented at 34.8 MPa for the main hydraulic system. The SAA6D108-2 engine flywheel horsepower is listed at 172.8 kW (231.7 HP) at 2,050 rpm. Essential fluid capacities, such as the 262 L fuel tank requirement, are provided for standard maintenance and operation. This 809-page Komatsu OEM workshop manual covers the 1995–2002 PC300-6 and PC350-6, documenting engine, hydraulic, and structural specifications for the full dash-6 build series.

Manual FAQ, Purchase & Download Details

Does this manual contain technical information for the Komatsu PC300-6 and PC350-6 excavator series? keyboard_arrow_down

Shop manual covers the PC300-6, PC300LC-6, PC350-6, and PC350LC-6 model series manufactured from 1995 to 2002. It serves as a reference for components used on these specific machine models, including those equipped with the SAA6D108-2 engine.

What kind of diagrams are provided for component breakdowns in the document? keyboard_arrow_down

Manual contains structure and function sections that provide exploded views, component breakdown diagrams, and assembly references for the various machine systems.

Which publication cues or document references identify this specific shop manual? keyboard_arrow_down

Document is identified by publication number SEBM014307 and contains 809 pages in a digital PDF format. It includes a list of revised pages to track edition updates and uses specific symbols for safety, tightening torque, and coating materials. The content is organized by chapters such as general, structure and function, testing and adjusting, and disassembly and assembly to provide technical information for the listed excavator models.

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