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Komatsu

Komatsu WA470-5H WA480-5H Wheel Loader Workshop Service Repair Manual WA470H50051 and up WA480H50051 and up

Komatsu WA470-5H WA480-5H Wheel Loader Workshop Service Repair Manual WA470H50051 and up WA480H50051 and up

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Machine data plateRef 474897
Brand
Komatsu
Equipment
Construction
Models covered
Komatsu WA 470 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 — 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
🏷️ Basic Information
Identification
Make:
Komatsu
Model:
WA470-5H / WA480-5H
Model Variant:
Wheel Loader, -5H series
Production Years:
Serial numbers WA470H50051 and up; WA480H50051 and up (exact years not specified)
👋 Introduction
Market Position
Target Audience:
Owners, mechanics, and technicians responsible for maintenance and repair of Komatsu WA470-5H and WA480-5H wheel loaders.
Market Segment:
Heavy-duty material handling and construction equipment.
Competitive Advantage
Key Advantages:
Engineered for demanding environments with powerful engines, advanced transmission, and operator comfort.
Key Features
Engine:
Komatsu SAA6D125E-3 turbocharged, aftercooled diesel engines.
Transmission:
Komatsu Advanced Transmission with Lock-up (K-ATLS), 4 forward and 4 reverse gears.
Steering:
Hydrostatic power steering.
Operator Environment:
ROPS/FOPS certified cabs with air conditioning.
Capacity:
Approximately 4.0 m³ bucket for WA470-5H and 4.5 m³ for WA480-5H.
📋 Manual Details
Coverage
Models Covered:
Komatsu WA470-5H and WA480-5H wheel loaders.
Serial Number Range:
WA470H50051 and up; WA480H50051 and up.
Page Count:
N/A - page count not specified
Manual Specs
Type:
Service Repair Manual
Language:
English
Format:
PDF, digital download
📖 Manual Coverage
Systems Covered
Engine:
Structure, function, testing, adjustment, disassembly, and assembly of Komatsu SAA6D125E-3 engine.
Transmission:
K-ATLS transmission, including torque converter, gears, and shifting mechanisms.
Axles and Drive:
Front and rear axles, drive shafts, final drives, and differentials.
Hydraulic System:
Main hydraulic pump, control valves, cylinders, and bucket linkage.
Electrical System:
Wiring diagrams, sensors, switches, and electronic control units.
Brakes:
Service and parking brakes, brake control systems, and adjustments.
Steering:
Hydrostatic power steering system components and troubleshooting.
Cab and HVAC:
Cab structure, ROPS/FOPS, air conditioning, and heating systems.
Undercarriage and Frame:
Chassis, frame, and attachment mounting points.
Procedures Included
Maintenance:
Routine service procedures, lubrication charts, and periodic checks.
Testing and Adjustment:
Detailed testing and adjustment procedures for all major components.
Disassembly and Assembly:
Step-by-step instructions for disassembling and assembling components.
Diagnostics:
Troubleshooting guides and fault codes interpretation.
Technical Depth
Level:
Comprehensive service repair manual suitable for professional technicians and experienced DIY owners.
Content:
Contains specifications, diagrams, torques, and detailed explanations for each system.
Parts Information
Part Numbers:
Includes part numbers for major assemblies and components.
Diagrams:
Exploded views and component diagrams to aid in part identification.
Exploded Views:
Detailed views for disassembly and reassembly reference.
📊 Manual Specifications
File Format
File Type:
PDF
Compatibility:
Compatible with most devices that support PDF viewing (PC, Mac, tablet, smartphone).
Requirements:
PDF reader software (Adobe Reader, etc.)
Searchability:
Text searchable for easy navigation.
Print Qualities
Print Quality:
High-resolution pages suitable for printing.
Binding Type:
Digital binding (no physical binding).
Paper Type:
N/A - digital download
⚙️ Engine Specifications
Primary Engine
Engine Model:
Komatsu SAA6D125E-3 (for both WA470-5H and WA480-5H)
Type:
Turbocharged, aftercooled diesel engine.
Gross Power (WA470-5H):
Approximately 290 HP
Gross Power (WA480-5H):
Approximately 330 HP
Performance
Torque:
N/A - not specified in the description
Displacement:
N/A - not specified in the description
Fuel System
Fuel Type:
Diesel
Fuel Injection:
Electronic (assumed; not specified)
🔧 Transmission
Standard Transmission
Type:
Komatsu Advanced Transmission with Lock-up (K-ATLS)
Gears:
4 forward and 4 reverse
Features:
Lock-up clutch for improved efficiency.
Optional Transmission
Options:
N/A - not specified for this model
📐 Dimensions
Exterior
Wheelbase:
N/A - not specified in the description
Overall Length:
N/A - not specified in the description
Weights
Operating Weight:
Approximately 20,000 kg (WA470-5H) and 22,000 kg (WA480-5H) (estimated, not specified in description)
🛡️ Safety Features
Ratings / Crash Test
Crash Test Ratings:
N/A - not applicable for heavy equipment
Active Features
Brakes:
Dual-circuit hydraulic service brakes and parking brake (assumed).
Steering:
Hydrostatic power steering for precise control.
Passive Features
ROPS:
Roll-over protective structure.
FOPS:
Falling-object protective structure.
Other:
Cab with seat belt, safety glass, and emergency exits (assumed).
💡 Technology Features
Infotainment
Audio System:
Radio with auxiliary input (if equipped; not specified)
Driver Assistance
Monitoring:
Electronic monitoring system with gauges and warning lights.
Telematics:
Komatsu Telematics (if equipped; not specified)
Lighting:
Work lights for night operation (if equipped).
🔧 Maintenance
Service Intervals
Engine Oil:
Every 250 hours or as indicated in the machine display (typical).
Hydraulic Oil:
Every 1000 hours or as specified (typical).
Transmission Oil:
Every 1000 hours (typical).
Fluid Specifications
Engine Oil:
API Class CH-4 or higher, SAE 15W-40 (typical).
Hydraulic Oil:
ISO VG 46 or 68 (typical).
Transmission Oil:
Komatsu HTF (Hydro-transmission fluid) or equivalent (typical).
Known Issues / Common Wear Items
Common Wear:
Bucket cutting edges, teeth, pins, and bushings undergo regular wear and require periodic replacement.
Potential Issues:
N/A - no specific known issues mentioned in description.
📚 Vehicle History
Brand Heritage
Manufacturer History:
Komatsu is a leading global manufacturer of construction and mining equipment, known for durability and advanced technology.
Model Evolution
Series:
WA470-5H and WA480-5H are part of the -5H series, an evolution of previous -3 and -4 models with improved power, comfort, and efficiency.
Production Location
Assembly Plant:
N/A - not specified in the description
🏆 Awards & Recognition
Recognitions
Awards:
N/A - no specific awards mentioned 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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