2002 Komatsu PC400-6, PC400LC-6, PC450-6, PC450LC-6 - Precision Maintenance, Troubleshooting & Repair for Excavators
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Sample pages from the 2002 Komatsu PC400-6, PC400LC-6, PC450-6, PC450LC-6 - Precision Maintenance, Troubleshooting & Repair for Excavators manual
Purchase Information
2002 Komatsu PC400, PC400LC-6, PC450 & PC450LC-6 Shop Manual - Technical Specifications
- Document Number / Seller:
- 28435 / Donna Reyes
- File Size:
- 44.50 MB
- File Type:
- Language:
- English
- Pages:
- 892
- Printable:
- Yes
- Estimated Download Time:
- 0.91 Minutes
- Delivery Format:
- Digital (PDF) - Instant Access
- Category:
- Excavator
- Brand:
- Komatsu
- Reviewed and Approved:
- Dec 20, 2025
Komatsu Models and Parts Covered in this Excavator Manual
- Komatsu PC400-6 (2002)
- Komatsu PC400LC-6 (2002)
- Komatsu PC450-6 (2002)
- Komatsu PC450LC-6 (2002)
Complete Manual Information
Komatsu PC400-450-6 Shop Manual
Maximize the uptime and performance of your heavy machinery with the professional-grade Komatsu PC400-450-6 Shop Manual. This comprehensive technical guide is engineered for fleet owners, master mechanics, and owner-operators who demand factory-spec precision for maintenance, troubleshooting, and complex repairs. Covering the 2002 production series, this manual provides the exact data needed to keep your SA6D125-2 engine and high-pressure hydraulic systems running at peak efficiency.
Model Coverage & Serial Numbers
This manual is specifically designed for the following Komatsu excavators:
- PC400-6 (Serial Number: 32001 and up)
- PC400LC-6 (Serial Number: 32001 and up)
- PC450-6 (Serial Number: 12001 and up)
- PC450LC-6 (Serial Number: 12001 and up)
Professional Technical Specs
- High-Performance Engine: Full technical breakdown of the SA6D125-2 4-cycle, water-cooled engine, delivering 305.7 HP (228 kW) at 2,050 rpm.
- Advanced Hydraulics: Complete service data for the HPV160+160 variable displacement piston pumps, including set pressures of 34.8 MPa (355 kg/cm²) and delivery rates of 326 x 2 liters per minute.
- Precision Components: Detailed specs for the KMV280ADT travel motors and KMF160ABE-3 swing motors, including safety valve and shaft brake configurations.
Comprehensive Service Content
- Structure and Function: Get a "behind-the-scenes" look at every major system, from the 10-spool control valve assembly to the complex CLSS (Closed-center Load Sensing System).
- Testing and Adjusting: Step-by-step procedures for engine speed calibration (Max. 2,250 rpm no-load), hydraulic pressure testing, and electronic control system diagnostics.
- Disassembly and Assembly: Clear, sequenced instructions for major component removal. Includes critical weight data (e.g., 8,890 kg counterweight) and essential hoisting safety protocols.
- Maintenance Standards: Professional judgment benchmarks for inspecting used parts, ensuring you replace only what is necessary to maintain factory standards.
- Fluid & Lubricant Guide: Exact refill capacities for engine oil (34-37L), hydraulic system (270L), and final drives (11.5L), featuring ambient temperature charts for perfect SAE viscosity selection.
Built for the Modern Workshop
This manual is not just a collection of data; it is a tool designed for real-world use. With detailed electrical wire coding, torque values for metric (10.9) and O-ring boss joints, and comprehensive troubleshooting charts correlating problems to causes, you can reduce diagnostic time and eliminate guesswork. The layout is optimized for high readability on mobile devices, making it the perfect digital companion whether you are in the shop or out in the field.
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Frequently Asked Questions - Komatsu Excavator Manual
What does this Komatsu manual cover?
This comprehensive service manual covers detailed repair procedures, maintenance schedules, troubleshooting guides, and technical specifications for 2002 Komatsu PC400-6, PC400LC-6, PC450-6, PC450LC-6 - Precision Maintenance, Troubleshooting & Repair for Excavators. It includes information for the following models: - Komatsu PC400-6 (2002) - Komatsu PC400LC-6 (2002) - Komatsu PC450-6 (2002) - Komatsu PC450LC-6 (2002).
Is this manual suitable for beginners?
Yes, this Komatsu manual is designed for both professional technicians and DIY enthusiasts. It includes step-by-step procedures with clear illustrations and safety guidelines for Excavator maintenance and repair.
What file format will I receive?
You will receive this manual as a PDF file (44.50 MB), which is compatible with all devices. The manual is fully searchable and printable for your convenience.
How quickly can I access the manual after purchase?
You'll receive instant access to your Komatsu Excavator manual immediately after payment completion. The download link is valid for 3 days, with lifetime re-download guarantee.
Can I print specific sections of the manual?
Absolutely! This digital manual allows you to print any section you need, from individual pages to complete chapters, making it perfect for workshop use.
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