Komatsu Excavators: Unparalleled Power and Efficiency

Komatsu's groundbreaking PC300-5 and PC400-5 series hydraulic excavators redefine the industry standard for power, productivity, and operator comfort. Renowned for their innovative design and cutting-edge technology, these machines deliver exceptional performance in a wide range of applications, from heavy construction and mining to forestry and landscaping.

Superior Lifting Capacity and Digging Force

The PC300-5 and PC400-5 excavators boast impressive lifting capacities and digging forces that empower operators to tackle even the most challenging tasks with confidence. The PC300-5 delivers a maximum lifting capacity of 30 tonnes and a maximum digging force of 239 kilonewtons, while the PC400-5 boasts an even higher lifting capacity of 40 tonnes and a maximum digging force of 270 kilonewtons.

Advanced Hydraulic System for Enhanced Efficiency

These excavators feature Komatsu's advanced hydraulic system, which optimizes performance and efficiency. The electronically controlled variable displacement hydraulic pumps deliver precise flow and pressure, ensuring smooth operation and reduced fuel consumption. The closed-center hydraulic system minimizes energy loss and provides exceptional control, allowing operators to execute delicate maneuvers with ease.

Innovative Boom and Arm Design for Unmatched Reach and Versatility

The PC300-5 and PC400-5 excavators incorporate innovative boom and arm designs that extend their reach and versatility. The long reach boom options provide extended working envelopes, enabling operators to access hard-to-reach areas and work efficiently in confined spaces. The versatile articulation system allows for precise positioning and digging at various angles, enhancing productivity and reducing rework.

Operator Comfort and Safety at the Forefront

Komatsu prioritizes operator comfort and safety in the design of these excavators. The spacious cabs are ergonomically engineered to minimize fatigue and maximize productivity. The advanced climate control system ensures a comfortable working environment in all weather conditions. Advanced safety features, including a roll-over protective structure (ROPS) and falling object protective structure (FOPS), provide peace of mind and ensure operator well-being.

Cutting-Edge Technology for Enhanced Productivity

The PC300-5 and PC400-5 excavators are equipped with cutting-edge technology that further enhances their productivity. The KOMTRAX telematics system provides real-time monitoring and diagnostic capabilities, allowing fleet managers to optimize maintenance schedules and maximize uptime. The optional machine guidance system automates positioning and grading, improving accuracy and reducing operator fatigue. The rearview camera ensures enhanced visibility and safety, while the automatic idle shutdown feature reduces fuel consumption during extended periods of inactivity.

Industry-Leading Reliability and Durability

Komatsu excavators are renowned for their industry-leading reliability and durability. The robust construction, high-quality components, and rigorous testing ensure that these machines can withstand the most demanding conditions. The extended maintenance intervals and easy serviceability minimize downtime and keep your operations running smoothly.

Environmental Consciousness

Komatsu is committed to environmental consciousness, and the PC300-5 and PC400-5 excavators incorporate advanced technologies to reduce emissions and minimize environmental impact. The fuel-efficient engines, combined with the intelligent hydraulic system, contribute to lower fuel consumption and reduced emissions. The auto-idle shutdown feature further reduces fuel consumption and emissions when the machine is not in use.

Unleash Your Potential with Komatsu Excavators

Whether you're a contractor, quarry operator, or landscaper, the Komatsu PC300-5 and PC400-5 hydraulic excavators are the perfect choice for your demanding applications. Their unparalleled power, efficiency, comfort, and reliability empower you to work confidently, efficiently, and safely. Invest in a Komatsu excavator today and experience the difference that innovation and excellence can make on your operations.

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This is a COMPLETE Service Shop Repair Manual for the KOMATSU PC300-5, PC300LC-5, PC300-5 MIGHTY, PC300LC-5 MIGHTY, PC300HD-5, PC400-5, PC400LC-5, PC400-5 MIGHTY, PC400LC-5 MIGHTY, PC400HD-5 HYDRAULIC EXCAVATOR. This manual contains deep information about maintaining, assembly, disassembly and servicing your KOMATSU PC300-5, PC300LC-5, PC300-5 MIGHTY, PC300LC-5 MIGHTY, PC300HD-5, PC400-5, PC400LC-5, PC400-5 MIGHTY, PC400LC-5 MIGHTY, PC400HD-5 HYDRAULIC EXCAVATOR.

MACHINE MODEL SERIAL NUMBER
PC300-5 - 20001 and up
PC300-5 MIGHTY - 21401 and up
PC300LC-5 - 20001 and up
PC300LC-5 MIGHTY - 21401 and up
PC300HD-5 - 21401 and up
PC400-5 - 20001 and up
PC400-5 MIGHTY - 20603 and up
PC400LC-5 - 20001 and up
PC400LC-5 MIGHTY - 20603 and up
PC400HD-5 - 20603 and up

PC300-5, PC300LC-5, PC300-5 MIGHTY, PC300LC-5 MIGHTY, PC300HD-5 mount the SA6D108-1 engine.
PC400-5, PC400LC-5, PC400-5 MIGHTY, PC400LC-5 MIGHTY, PC400HD-5 mount the S6D125-1 engine.
For details of the engine, see the 108 Series Engine Shop Manual and 125 Series Engine Shop Manual.

CONTENTS AS FOLLOWS:
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10 STRUCTURE AND FUNCTION
20 TESTING AND ADJUSTING
30 DISASSEMBLY AND ASSEMBLY
40 MAINTENANCE STANDARD

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Model Specification: KOMATSU PC300-5, PC300LC-5, PC300-5 MIGHTY, PC300LC-5 MIGHTY, PC300HD-5, PC400-5, PC400LC-5, PC400-5 MIGHTY, PC400LC-5 MIGHTY, PC400HD-5
Language: English
File Format: PDF
Total Pages: 713
Requirements: Adobe PDF Reader
ZOOM IN/OUT: YES
Downloadable: YES
Compatible: All Versions of Windows & Mac

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THIS MANUAL CONTAINS INFORMATION AND DATA TO THIS MODEL. HAS SPECS, DIAGRAMS, AND ACTUAL REAL PHOTO ILLUSTRATIONS, AND SCHEMES, WHICH GIVE YOU COMPLETE STEP BY STEP OPERATIONS ON REPAIR, SERVICING, TECHNICAL MAINTENANCE & TROUBLESHOOTING PROCEDURES FOR YOUR MACHINE. THIS MANUAL OFFERS FULL INFORMATION YOU NEED FOR REPAIR YOUR MACHINE. THE INFORMATION IN THIS MANUAL WILL ENABLE YOU TO FIND TROUBLE AND TO UNDERSTAND HOW TO REPAIR AND MAINTAIN YOUR MACHINE WITHOUT GOING INTO SERVICE.

INSTANT DOWNLOAD UPON RECEIPT OF YOUR PAYMENT..

This Manual is BOOKMARKED & SEARCHABLE so you can easily find what you are looking for.

FIND IT...PRINT IT...USE IT...then Trash it.

Tons of pictures and diagrams at your fingertips!!

All pages are printable, so run off what you need & take it with you into the garage or workshop.

Save Money $$ By doing your own repairs! These manuals make it easy for any skill level WITH THESE VERY EASY TO FOLLOW, STEP-BY-STEP INSTRUCTIONS!

INSTANT DOWNLOAD means NO SHIPPING COST or WAITING FOR A CD OR PAPER MANUAL TO ARRIVE IN THE MAIL...YOU WILL RECEIVE THIS MANUAL TODAY VIA INSTANT DOWNLOAD ON COMPLETION OF PAYMENT VIA OUR SECURE PAYMENT PROCESSOR. WE ACCEPT ALL MAJOR CREDIT/DEBIT CARDS/PAYPAL.

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