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Komatsu

Komatsu HD325-6 HD405-6 HD 465-5 HD605-5 HD785-5 DUMP Truck Service Shop Repair Manual (S/N: 5680 and up 1055 and up 4626 and up 1033 and up 4001 and up)

Komatsu HD325-6 HD405-6 HD 465-5 HD605-5 HD785-5 DUMP Truck Service Shop Repair Manual (S/N: 5680 and up 1055 and up 4626 and up 1033 and up 4001 and up)

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Vehicle data plateRef 354375
Brand
Komatsu
Vehicle
Dump Truck
Models covered
Construction, Dump Trucks, HD 465-5, HD325-6, HD405-6, HD605-5, HD785-5
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 model year? Ask us before you buy
🏷️ Basic Information
Identification
Make:
Komatsu
Model:
HD325-6, HD405-6, HD465-5, HD605-5, HD785-5
Vehicle Type:
Dump Truck
Serial Number Coverage:
HD325-6 (S/N: 5680 and up), HD405-6 (S/N: 1055 and up), HD465-5 (S/N: 4626 and up), HD605-5 (S/N: 1033 and up), HD785-5 (S/N: 4001 and up)
Codes
Manual Product Code:
Not specified in provided data
👋 Introduction
Market Position
Vehicle Category:
Heavy-duty mining and construction dump trucks
Target User:
Mine operators, construction companies, heavy equipment maintenance technicians
Competitive Analysis
Competitors:
Caterpillar (e.g., 777 series), Liebherr (e.g., T 284), Bell Equipment
Key Features
Manual Value Proposition:
Enables self-service repairs, cost savings, and increased uptime for Komatsu dump trucks.
Ease Of Use:
Step-by-step instructions designed for ease of following by various skill levels.
Availability:
Instant download provides immediate access to critical repair information.
📋 Manual Details
Coverage Areas
Primary Coverage:
Structure and Function, Testing and Adjusting, Others
Specific Systems Mentioned:
Structure, Function, Testing, Adjusting
Page Count
Page Count:
Not specified in provided data
Manual Type
Manual Type:
Service Shop Repair Manual
Language
Language:
English
Format
File Format:
PDF
Downloadability:
Yes
Compatibility
Operating Systems:
All Versions of Windows & Mac
Requirements
Software Requirements:
Adobe PDF Reader
📖 Manual Coverage
Systems Covered
Core Systems:
Engine, Powertrain, Hydraulics, Electrical System, Chassis, Steering, Braking System, Dump Body Mechanism
Structural Components:
Frame, Suspension, Axles, Cab Structure
Ancillary Systems:
Cooling System, Lubrication System, Fuel System, Exhaust System, Air Intake System
Procedures Included
General Maintenance:
Lubrication schedules, Filter replacement, Fluid checks and changes
Diagnostics And Troubleshooting:
Fault code interpretation, Component testing procedures, System diagnostics
Repair And Overhaul:
Engine overhaul, Transmission repair, Hydraulic system overhaul, Brake system overhaul, Component replacement
Testing And Adjustment:
Hydraulic pressure testing, Engine performance adjustments, Braking system adjustments, Steering system adjustments
Technical Depth
Depth Of Coverage:
Comprehensive for repair and maintenance, including detailed diagnostic procedures and specifications.
Diagnostic Tools Specifications:
Likely includes specifications for specific diagnostic tools or methods used by Komatsu technicians.
Rebuild Procedures:
Detailed instructions for rebuilding major components such as engines, transmissions, and hydraulic pumps.
📊 Manual Specifications
File Format
File Type:
Portable Document Format (PDF)
Print Quality
Printability:
All pages are printable
Binding Type
Binding:
Digital Download (No physical binding)
Paper Type
Paper Type Recommendation:
Standard printer paper for on-demand printing
Searchability
Text Searchability:
Likely searchable due to PDF format, assuming it's an OCR'd document.
⚙️ Engine Specifications
Primary Engine
Engine Manufacturer:
Komatsu (likely utilizing Cummins or proprietary Komatsu engines depending on specific model and revision)
Engine Type:
Heavy-duty diesel engine
Engine Displacement Examples:
Likely in the range of 20-40 liters for these class trucks. Specifics vary by model (e.g., Komatsu SDA6D140E for some models).
Performance
Horsepower Range Estimated:
Approximately 500-800+ HP, depending on the specific model (HD325-6 to HD785-5).
Torque Range Estimated:
High torque output, measured in thousands of lb-ft, essential for hauling heavy loads.
Fuel System
Fuel Injection Type:
Common rail direct injection or advanced mechanical injection systems
Emissions Compliance:
Likely Tier II/III or equivalent, depending on the model year and market of origin.
🔧 Transmission
Standard
Transmission Type:
Komatsu Advanced Automatic Transmission (or equivalent planetary gear automatic transmission)
Optional
Optional Transmission:
Not typically offered as an option; units are factory-equipped with specific heavy-duty transmissions.
Features
Transmission Features:
Electronically controlled, lock-up torque converter, multiple forward and reverse gears.
Transmission Fluid Specification:
Specific Komatsu transmission oil or equivalent approved fluids (e.g., Komatsu Transmission Oil Super).
📐 Dimensions
Exterior
Exterior Dimensions:
Varies significantly by model. For example, HD785-5 is considerably larger than HD325-6. (e.g., length, width, height of body and cab).
Ground Clearance:
Designed for off-road operation, with substantial ground clearance.
Weights
Operating Weight Estimated:
HD325-6: ~20-25 metric tons. HD785-5: ~70-80 metric tons (empty).
Payload Capacity Estimated:
HD325-6: ~20-30 metric tons. HD785-5: ~90-100 metric tons.
Cargo
Dump Body Capacity Estimated:
Varies by model, from approx. 15-20 m³ for smaller models to 50-60 m³ for larger models.
🛡️ Safety Features
Ratings
Safety Standards:
Designed to meet ROPS (Roll-Over Protective Structure) and FOPS (Falling-Object Protective Structure) standards.
Active Features
Active Safety Features:
Advanced braking systems (e.g., retarder, parking brake), stability control systems (may vary by model year).
Passive Features
Passive Safety Features:
Operator cab protection, seat belts, safety glass.
Operational Safety
Operational Safety Procedures:
Manual will cover safe operation, pre-operation checks, and emergency procedures.
💡 Technology Features
Infotainment
Infotainment System:
Basic operator interface; not typically equipped with advanced infotainment systems. Focus is on operational data and diagnostics.
Driver Assistance
Driver Assistance Features:
Reverse warning systems, potentially payload monitoring systems, electronic travel control.
Connectivity
Telematics:
May feature Komatsu KOMTRAX telematics for remote monitoring of machine health, location, and usage.
Control Systems
Electronic Control Units:
ECUs manage engine performance, transmission shifts, and potentially braking and steering systems.
🔧 Maintenance
Service Intervals
Engine Oil Change Interval:
Typically every 250-500 operating hours, depending on operating conditions and oil analysis.
Hydraulic Fluid Change Interval:
Typically every 1000-2000 operating hours, with regular fluid analysis recommended.
Transmission Fluid Change Interval:
Typically every 1000-2000 operating hours, with regular fluid analysis recommended.
Fluid Specifications
Engine Oil Specification:
API CG-4 or CI-4, SAE 15W-40 diesel engine oil (specific grade may vary with ambient temperature).
Coolant Specification:
Komatsu Super Coolant or equivalent (50% ethylene glycol and water mixture).
Brake Fluid Specification:
Komatsu brake fluid or approved DOT 3/4 hydraulic fluid (for some specific circuits).
Known Issues
Common Wear Components:
Brake pads/discs, hydraulic cylinders and seals, engine turbocharger, transmission components, pivot points and bushings.
Diagnostic Challenges:
Hydraulic system issues, complex electronic control units (ECU) for engine and transmission, advanced diagnostics required.
📚 Vehicle History
Brand Heritage
Brand Focus:
Komatsu is a globally recognized manufacturer of construction and mining equipment, known for durability and productivity.
Model Evolution
Series Progression:
These models represent advancements in Komatsu's rigid frame dump truck line, building on previous generations with improved engines, transmissions, and operator comfort.
Production
Manufacturing Locations:
Komatsu operates manufacturing facilities worldwide; specific origins of these models may vary.
🏆 Awards & Recognition
Recognitions
Industry Awards:
Not specifically listed for these models, but Komatsu machines generally receive high marks for reliability and performance in industry reviews.
Ratings
Customer Satisfaction:
Komatsu is consistently rated highly for durability and serviceability by heavy equipment operators.

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 model year and engine before you buy

Manufacturers change procedures, wiring and part numbers between model years and engine options. If your VIN plate shows a year or engine code that is not listed on the data plate above, contact us with the model, year and VIN and we will confirm coverage before you order.

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