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Komatsu

Komatsu Wa120l-3mc Shop Wheel Loader Book Service Repair Workshop Manual

Komatsu Wa120l-3mc Shop Wheel Loader Book Service Repair Workshop Manual

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Machine data plateRef 207517
Brand
Komatsu
Equipment
Construction
Models covered
Komatsu WA 120 Models
Format
PDF, searchable, print-ready
Delivery
Instant download after checkout
Language
English

What happens after you pay

  • Download link opens on the order page immediately
  • The same link is emailed to you โ€” re-download any time
  • Open on phone, tablet or PC; print only the pages you need
  • Not sure it covers your serial range? Ask us before you buy
๐Ÿท๏ธ Basic Information
Identification
Make:
Komatsu
Model:
WA120L-3MC
Model Variant:
Wheel Loader L-3MC Series
Production Years Covered:
N/A - not specified for this model
Serial Number Applicability:
54104 and up
๐Ÿ‘‹ Introduction
Market Position
Target Audience:
Owners, mechanics, and technicians seeking professional-grade service information for the Komatsu WA120L-3MC wheel loader.
Competitive Analysis
Advantage:
Komatsu's renowned engineering quality ensures reliability and efficiency, with features like articulated frame steering and heavy-duty full-floating axles for exceptional performance and durability.
Key Features
Articulated Frame Steering:
Enhances maneuverability in tight spaces.
Heavy-Duty Axles:
Full-floating axles for increased load capacity.
Powershift Transmission:
Provides smooth shifting and efficient power delivery.
๐Ÿ“‹ Manual Details
Coverage
Models Covered:
Komatsu WA120L-3MC
Serial Numbers:
54104 and up
Physical Attributes
Page Count:
668
Manual Type:
Service Shop Repair Manual
Language:
English
Format
File Format:
PDF
Delivery Method:
Instant Download
๐Ÿ“– Manual Coverage
Systems Covered
Engine:
Complete engine service information including removal, disassembly, inspection, and reassembly.
Powertrain:
Transmission, torque converter, drive shafts, and axles.
Hydraulics:
Hydraulic system components, including pumps, valves, cylinders, and hoses.
Electrical:
Wiring diagrams, electrical components, and troubleshooting guides.
Cooling:
Radiator, cooling fan, and related components.
Operator Station:
Cab, controls, and instrumentation.
Chassis and Frame:
Frame structure, articulation joint, and attachments.
Procedures Included
Preventative Maintenance:
Scheduled maintenance procedures and checklists.
Troubleshooting:
Diagnostic procedures and fault finding guides.
Testing and Adjustment:
Procedures for testing systems and making necessary adjustments.
Disassembly and Assembly:
Step-by-step instructions for major components.
Removal and Installation:
Guidance for replacing parts and components.
Technical Depth
Technical Specifications:
In-depth specifications for all major systems.
Diagrams and Illustrations:
Detailed photos, drawings, and exploded views.
Torque Specifications:
Fastener torque values for critical joints.
Parts Information
Part Numbers:
OEM part numbers for replacement parts.
Exploded Views:
Diagrams showing parts positioning and assembly.
๐Ÿ“Š Manual Specifications
File Format
File Type:
PDF
Compatibility:
All devices that can read PDF files, including computers, tablets, and smartphones.
Requirements:
PDF reader software (e.g., Adobe Acrobat Reader)
Searchability:
Text searchable for quick access to information.
Print Quality
Print Resolution:
High-resolution for clear text and detailed diagrams.
Binding
Binding Type:
Digital
Paper Type
Paper Type:
Not applicable - digital download
โš™๏ธ Engine Specifications
Primary Engine
Engine Model:
Komatsu S4D95L-1
Engine Type:
Diesel, 4-cycle, water-cooled
Number of Cylinders:
4
Displacement:
3.26 L (199 cu in)
Rated Power:
44 kW (59 HP) at 2200 rpm
Peak Torque:
177 Nm (130 lb ft) at 1400 rpm
Fuel System
Fuel Injection:
Direct injection
Fuel Tank Capacity:
110 L (29 gal)
๐Ÿ”ง Transmission
Standard Transmission
Transmission Type:
Powershift with 4 forward and 4 reverse gears
Features:
Full power shift, modulated clutch packs, electronic shift control
๐Ÿ“ Dimensions
Exterior
Wheelbase:
2280 mm (89.8 in)
Length:
5590 mm (220.1 in) with standard bucket
Weights
Curb Weight:
5610 kg (12,368 lb)
Operating Weight:
6010 kg (13,250 lb)
๐Ÿ›ก๏ธ Safety Features
Safety Ratings
Crash Test Information:
N/A - not applicable for construction equipment
Active Safety
Operator Presence System:
Engine cut-off if operator leaves seat
Seat Belt:
Operator seat belt
Passive Safety
ROPS/FOPS Cab:
Rollover protective structure (ROPS) and falling objects protective structure (FOPS) as standard
Backup Alarm:
Audible alarm when reversing
๐Ÿ’ก Technology Features
Infotainment
Audio System:
AM/FM radio with Bluetooth connectivity (if equipped)
Driver Assistance
Load Monitoring System:
Optional system to monitor bucket load
Rear View Camera:
Optional rear view camera for enhanced visibility
๐Ÿ”ง Maintenance
Service Intervals
Engine Oil Change:
Every 250 hours or 6 months, whichever comes first
Hydraulic Oil Change:
Every 1000 hours or annually
Transmission Fluid Change:
Every 1000 hours or annually
Fluid Specifications
Engine Oil:
API CF-4 or higher, SAE 15W-40
Hydraulic Oil:
Komatsu genuine hydraulic oil or equivalent ISO VG 46
Transmission Fluid:
Komatsu genuine transmission fluid or equivalent Dexron III
Common Wear Items
Brake Pads:
Inspect every 500 hours, replace as needed
Bucket Edges and Teeth:
Regular inspection for wear and replacement
Belts and Hoses:
Check for cracks and wear, replace as needed
Filters:
Air, fuel, and hydraulic filters should be replaced at scheduled intervals
๐Ÿ“š Vehicle History
Brand Heritage
Manufacturer:
Komatsu Ltd.
Founded:
1921
Headquarters:
Tokyo, Japan
Model Evolution
Series:
L-3MC Series wheel loaders
Predecessor:
WA120-3
Successor:
WA120L-3E0
Production Location
Assembly Plant:
Komatsu plants in Japan and other global facilities
๐Ÿ† Awards & Recognition
Recognitions
Industry Recognition:
Known for reliability and durability in the compact wheel loader class
Awards:
N/A - specific awards not documented for this model

Delivery & file format

This is a digital PDF download, not a printed book. After payment the download link appears on your order confirmation page and is emailed to the address you entered. Files open in any PDF reader on phone, tablet or computer and can be printed.

Check the serial range before you buy

Manufacturers change procedures and part numbers by serial-number break. If your data plate shows a serial prefix that is not listed above, contact us with the model and serial number and we will confirm coverage before you order.

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  • Instant download PDF link on your order page and by email right after payment.
  • Secure checkout Encrypted Shopify checkout โ€” we never see your card.
  • Print-ready PDF Searchable text, print the pages you need for the workshop.
  • Phone, tablet, PC Open it in the cab, the workshop or the office.