• Model: WA 420 Models
  • Manufactured by: Komatsu
$16.99

(+ $29.99 AirMail USB Drive)

Komatsu WA420-3 Wheel Loader: A Robust and Efficient Workhorse for Demanding Applications

The Komatsu WA420-3 Wheel Loader is a versatile and powerful machine designed to excel in various demanding applications. Its exceptional performance, advanced features, and superior durability make it an ideal choice for industries such as construction, mining, and material handling.

Robust Design and Construction:

  • The WA420-3 features a robust frame and body construction that ensures structural integrity and durability. Its highly resistant materials and reinforced components withstand the rigors of heavy-duty operations.
  • The machine's articulation joint, designed with a large-diameter pin and trunnions, provides optimal stability and maneuverability, even on uneven or challenging terrain.

Powerful and Efficient Drivetrain:

  • Equipped with a Komatsu SAA6D114E-3 engine, the WA420-3 delivers impressive power and torque. Its advanced fuel injection system and emission control technologies maximize efficiency and comply with environmental regulations.
  • The hydrostatic transmission system provides smooth and responsive operation, allowing for precise control and efficient power transfer.
  • The Load Sensing System (LSS) optimizes hydraulic performance, ensuring precise and efficient operation of the loader's hydraulic systems.

Advanced Hydraulics and Attachment Compatibility:

  • The WA420-3 boasts an advanced hydraulic system that provides exceptional lifting capacity, digging force, and breakout force.
  • Its quick-coupler system enables quick and easy attachment changes, increasing versatility and productivity.
  • A wide range of attachments are available, including buckets, forks, grapples, and snow removal equipment, tailoring the machine to specific job requirements.

Comfortable and Ergonomic Operator Environment:

  • The WA420-3 features a spacious and comfortable cab designed to minimize operator fatigue and maximize productivity.
  • The adjustable seat, ergonomic controls, and large windows provide excellent visibility and comfort.
  • The climate control system maintains a comfortable temperature inside the cab, ensuring operator well-being in various working conditions.

Advanced Technology and Monitoring Systems:

  • The WA420-3 comes equipped with KOMTRAX Plus, a telematics system that provides real-time data on machine performance, location, and maintenance requirements.
  • The machine's monitoring system displays essential information to the operator, including engine parameters, hydraulic pressure, and fuel consumption.
  • The auto-idle function reduces fuel consumption and emissions during extended periods of inactivity.

Reliable Serviceability and Maintenance:

  • The WA420-3's centralized lubrication points and easy-access maintenance areas simplify routine maintenance procedures.
  • The diagnostic system provides comprehensive fault codes and troubleshooting information, accelerating repairs and minimizing downtime.
  • Komatsu's extensive dealer network ensures prompt access to genuine parts and qualified service technicians.

In conclusion, the Komatsu WA420-3 Wheel Loader is an exceptional machine designed to meet the demands of demanding applications. Its robust construction, powerful drivetrain, advanced hydraulics, comfortable operator environment, advanced technology, and reliable serviceability make it an indispensable tool for industries requiring a versatile and efficient workhorse.

This is the COMPLETE Service Repair Manual for the Komatsu WA420-3 Wheel Loader. It contains deep information about maintaining, assembly, disassembly and servicing your Komatsu WA420-3 Wheel Loader.

Machine model Serial number:
WA420-3 50001 and up

WA420-3 mount the S6D108 engine.
For details of the engine, see the 108 Series Engine Shop Manual.

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, Diagnosing, 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. YOU CAN DO THE REPAIRS YOURSELF AND SAVE MONEY $$$

SERVICE REPAIR MANUAL CONTAINS:
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GENERAL
STRUCTURE AND FUNCTION
TESTING AND ADJUSTING
DISASSEMBLY AND ASSEMBLY
MAINTENANCE STANDARD

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** Model Specification: Komatsu WA420-3 Wheel Loader
** Language: English
** Total Pages: 828
** File Format: PDF
** Requirements: Adobe PDF Reader
** Compatible: All Versions of Windows & Mac, Linux OS, Iphone, Ipad, Android etc...

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This QUALITY manual is 100 percents COMPLETE and INTACT, no MISSING/CORRUPT pages/sections to freak you out! It also is Bookmarked and SEARCHABLE to make what you need easy to find. Complete download comes in PDF format which can work under all PC based Windows operating system and Mac also. It saves to your hard-drive and can be burned to CD-ROM. It can be viewed on any computer, as well as zoomed and printed.

INSTANT DOWNLOAD MEANS THERE IS NO SHIPPING COSTS 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 AND PAYPAL. BUY FROM US AND I GUARANTEE YOULL BE A SATISFIED CUSTOMER AND CONTACT US IF YOU HAVE ANY QUESTIONS.

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