Komatsu HM400-5 Articulated Dump Truck

The Heavy-Duty Champion of Large-Scale Hauling Operations

Massive 469 HP Engine • 44.1-Ton Payload • 30.7 yd³ Capacity • Mining-Grade Performance

469 Horsepower
(Net Engine Power)
44.1 Payload Capacity
(Tons)
30.7 Body Capacity
(Cubic Yards)
36.7 Top Speed
(MPH)
5,800+ Units Operating
Globally

The Ultimate Heavy-Duty Articulated Hauler for Mining and Mega Projects

Maximum Productivity Power: The Komatsu HM400-5 represents the pinnacle of articulated dump truck engineering, delivering exceptional payload capacity and performance in the most demanding applications. With its massive 469 HP engine and industry-leading 44.1-ton payload, this heavy-duty ADT moves more material per cycle than any competitor in its class. The advanced K-TCS Plus traction control and robust construction make it the preferred choice for large quarries, open-pit mining operations, and major infrastructure projects where productivity and reliability are paramount. From Arctic mines to tropical construction sites, the HM400-5 consistently delivers lower cost per ton in the toughest conditions.

Why the Komatsu HM400-5 Leads Heavy-Duty Hauling Operations

Advanced Transmission + HVI Mining Analytics

Heavy-Duty Drive System + Performance Intelligence: The HM400-5's robust 7-speed automatic transmission with advanced K-ATOMiCS Plus provides optimal power delivery, monitored continuously by HVI's mining-grade analytics.

  • 7-speed fully automatic transmission
  • K-ATOMiCS Plus transmission control
  • HVI tracks heavy haul cycles
  • Payload optimization algorithms
  • Predictive drivetrain analytics
HVI Integration: Maximize productivity with 44-ton payload monitoring

Komatsu SAA6D140E-7 Engine + Power Management

Mining-Grade Power + Efficiency Excellence: The massive 469 HP engine delivers exceptional performance for heavy hauling while HVI optimizes fuel consumption even at maximum loads.

  • 469 HP (350 kW) net engine power
  • Tier 4 Final emissions compliance
  • Twin turbochargers with aftercooling
  • Real-time load factor optimization
  • Heavy-duty cycle monitoring
HVI Advantage: Reduce fuel costs by up to 20% in heavy hauling

Maximum Payload + Production Excellence

Industry-Leading Capacity + Load Intelligence: The massive 44.1-ton payload and 30.7 cubic yard body maximize productivity per cycle, with HVI tracking every ton moved.

  • 44.1-ton (40 metric ton) payload
  • 30.7 yd³ heaped body capacity
  • Heavy-duty tailgate options
  • HVI payload accuracy system
  • Cost per ton optimization
HVI Intelligence: Track production rates exceeding 1,000 tons per shift

Mining-Grade Operator Station + Digital DVIR

Premium Comfort + Safety Documentation: Spacious ROPS/FOPS cab designed for 24-hour operations with superior ergonomics, complemented by HVI's comprehensive inspection platform.

  • Advanced suspension seat system
  • 7-inch color monitor with cameras
  • Heavy-duty retarder control
  • HVI mobile app for mining inspections
  • MSHA-compliant documentation
HVI Mobile: Complete heavy-duty ADT inspection capability

K-TCS Plus Traction + Fleet Command

Ultimate Traction Control + Performance Analytics: Advanced Komatsu Traction Control System Plus provides superior grip in extreme conditions with HVI tracking performance.

  • Automatic differential lock control
  • Inter-axle and cross-axle locks
  • 6x6 permanent all-wheel drive
  • HVI traction optimization
  • Haul road condition analysis
HVI Intelligence: Maximize productivity in extreme mining conditions

Global Mining Support + Critical Parts

24/7 Support Network + Parts Excellence: Worldwide Komatsu mining support combined with HVI's predictive parts management for zero unplanned downtime.

  • Global mining equipment specialists
  • KOMTRAX Plus advanced telematics
  • HVI critical parts forecasting
  • Emergency support capabilities
  • On-site service teams available
HVI Supply Chain: Zero downtime through predictive parts management

Complete Technical Specifications

Specification Category Komatsu HM400-5 Performance Notes
Engine Komatsu SAA6D140E-7 Tier 4 Final/EU Stage V
Net Engine Power 469 HP (350 kW) @ 2,000 rpm
Payload Capacity 44.1 tons (40 metric tons) Maximum rated payload
Body Capacity (Heaped) 30.7 yd³ (23.5 m³) SAE 2:1 heaped
Body Capacity (Struck) 24.2 yd³ (18.5 m³) Level capacity
Operating Weight (Empty) 79,500 lbs (36,060 kg) Standard configuration
Gross Vehicle Weight 167,700 lbs (76,060 kg) Fully loaded
Top Speed (Loaded) 36.7 mph (59 km/h) Maximum travel speed
Transmission 7-speed automatic With lock-up, K-ATOMiCS Plus
Drive Configuration 6x6 All-Wheel Drive Permanent AWD
Min. Turning Radius 27 ft 6 in (8.4 m) Excellent for size
Fuel Tank Capacity 132 gal (500 L) Extended mining shifts
Tires 29.5R25 Radial, tubeless, E3/L3
Max. Gradeability 40% (22°) Fully loaded
Oscillation Angle ±10° Center joint
Steering Angle 45° each direction Articulated steering
DEF Tank 10.6 gal (40 L) SCR system
Hydraulic Tank 48 gal (182 L) Heavy-duty hoist system
Brake Type Wet disc, oil-cooled All wheels + retarder
Body Material High-tensile steel 400 Brinell hardness

Mining-Grade Safety & Protection Systems

The Komatsu HM400-5 incorporates comprehensive safety features designed for 24/7 mining operations and heavy construction environments with maximum protection.

ROPS/FOPS Mining Cab

Heavy-duty ISO 3471 and ISO 3449 certified structure exceeds mining safety standards. Double-glazed laminated glass and reinforced pillars provide maximum operator protection.

Advanced Retarder System

Oil-cooled multi-disc retarder provides exceptional braking power on steep grades. Automatic retarder modulation prevents wheel lock and extends service brake life significantly.

KOMTRAX Plus Mining

Advanced satellite monitoring with real-time tracking, payload monitoring, and predictive maintenance alerts. Multi-level security system prevents unauthorized operation.

360° Visibility Systems

Multiple camera system with bird's eye view technology, radar object detection, and proximity alerts. LED perimeter lighting for 24-hour operation visibility.

K-TCS Plus Stability

Advanced traction control automatically manages all differential locks for optimal stability without operator intervention, critical for loaded downhill operations.

Mining Emergency Systems

Fire suppression ready, secondary steering, automatic parking brake, neutral safety lockout, and ground-level emergency stops. Fatigue monitoring systems available.

Ready to Maximize Your Komatsu HM400-5 Heavy Hauling Fleet?

Join leading mining operations worldwide optimizing their 44-ton ADT performance with HVI

Start Free HVI Trial Schedule Demo

30-Day Free Trial • Full KOMTRAX Plus Integration • Mining-Grade Support

Komatsu HM400-5 Maintenance Excellence with HVI Fleet Management

HVI transforms heavy ADT maintenance into predictive, zero-downtime mining operations

HVI + KOMTRAX Plus Heavy Hauling Integration

Mining-Grade ADT Intelligence: HVI connects directly to your HM400-5's KOMTRAX Plus system to monitor extreme hauling conditions, track 44-ton payloads, optimize cycle times, and predict component failures before they impact production in 24/7 operations.

Heavy-Duty Monitoring: Track 200+ parameters in mining conditions
Production Analytics: 1,000+ tons per shift tracking
Predictive Excellence: Zero unplanned downtime achievement

V6 Engine Management

SAA6D140E-7 Optimization: HVI's specialized monitoring ensures your 469 HP engine maintains peak performance under extreme hauling loads.

  • Twin turbocharger monitoring
  • High-load cycle optimization
  • DEF consumption management
  • DPF regeneration scheduling
  • Extreme temperature management
HVI Intelligence: Extend engine life by 25-30% in heavy hauling

7-Speed Transmission Excellence

Heavy-Duty Drive Monitoring: Comprehensive tracking of the HM400-5's 7-speed transmission for continuous mining operations.

  • Transmission temperature control
  • Lock-up clutch optimization
  • K-ATOMiCS Plus monitoring
  • Shift quality analysis
  • Heavy-load cycle tracking
HVI Advantage: Predict transmission issues 500 hours in advance

Heavy ADT Inspection

Mining-Grade Documentation: HVI's mobile platform provides comprehensive inspection protocols for 44-ton ADT operations.

  • Pre-shift mining safety checks
  • 29.5R25 tire monitoring
  • Heavy-duty brake inspection
  • Body and hoist assessment
  • Articulation system checks
HVI Mobile: MSHA-compliant documentation for mining sites

Tire & Brake Excellence

Critical Component Management: HVI maximizes expensive tire life and brake performance in extreme conditions.

  • TPMS integration and monitoring
  • Tread depth prediction
  • Brake disc temperature tracking
  • Retarder performance analysis
  • Cost per ton-mile optimization
HVI Predictive: Extend tire life by 35% through optimization

Mining Maintenance Workflows

24/7 Operation Scheduling: HVI manages maintenance for continuous mining operations with zero production impact.

  • 250/500/1000/2000/5000 hour PMs
  • Severity-based scheduling
  • Component life management
  • Multi-shift coordination
  • Mining compliance automation
HVI Automation: 80% reduction in maintenance planning time

Production Excellence Analytics

Mining Performance Optimization: Transform HM400-5 data into maximum productivity and profitability.

  • Hourly production rates
  • Payload accuracy tracking
  • Cost per ton analysis
  • Haul cycle optimization
  • Mining ROI maximization
HVI Analytics: Heavy ADT customers achieve 25-35% productivity gains

Key Advantages

  • Maximum Payload: 44.1-ton capacity leads the class
  • Powerful Engine: 469 HP for superior performance
  • All-Terrain Excellence: 6x6 drive conquers any surface
  • K-TCS Plus: Advanced traction control system
  • Fuel Efficiency: Best-in-class for 40-ton ADTs
  • 7-Speed Transmission: Optimal power delivery
  • KOMTRAX Plus: Advanced mining telematics
  • Heavy-Duty Retarder: Superior downhill control
  • Mining Durability: Built for 24/7 operations
  • Operator Comfort: Premium cab environment
  • Strong Resale: Excellent value retention
  • Global Support: Worldwide mining network

Considerations & Limitations

  • High Investment: $650,000+ initial cost
  • Tire Expense: Six 29.5R25 tires costly
  • Size Limitations: Too large for smaller sites
  • Transport Requirements: Oversized load permits
  • Specialized Operators: Requires experienced drivers
  • Fuel Consumption: High usage at full load
  • Maintenance Complexity: Advanced systems need specialists
  • DEF Infrastructure: Requires fluid management
  • Ground Pressure: May need haul road preparation
  • Weather Sensitivity: Performance varies with conditions

How the Komatsu HM400-5 Compares to Competition

Feature Komatsu HM400-5 Cat 740C2 Volvo A40G Bell B40E
Engine Power 469 HP 452 HP 473 HP 450 HP
Payload Capacity 44.1 tons 42.8 tons 43.5 tons 40.5 tons
Body Capacity 30.7 yd³ 29.4 yd³ 30.3 yd³ 31.4 yd³
Top Speed 36.7 mph 34.8 mph 35.4 mph 34.2 mph
Fuel Efficiency Best in Class Good Average Good
Transmission 7-speed auto 8-speed auto 6-speed auto 6-speed auto
Traction Control K-TCS Plus ATC Advanced Standard ATC
Telematics KOMTRAX Plus Product Link Elite CareTrack Fleetm@tic
Warranty 3 years/6,000 hours 3 years/5,000 hours 3 years/4,000 hours 2 years/4,000 hours
Price Range $650-750K $680-780K $670-770K $620-720K

Maximize Your Komatsu HM400-5 Mining ROI with HVI Fleet Management

Transform your heavy ADT fleet into a predictive, zero-downtime mining operation with HVI's advanced fleet management

HVI Mining Platform

  • Heavy ADT DVIR: 44-ton truck inspection forms
  • Engine Monitoring: 469 HP engine tracking
  • Tire Management: 29.5R25 optimization
  • Body Inspection: 30.7 yd³ capacity monitoring
  • MSHA Compliance: Mining documentation
  • Remote Capability: Works offline in mines

KOMTRAX Plus Elite

  • Mining Telematics: Advanced ADT monitoring
  • Payload Accuracy: 44.1-ton tracking
  • Cycle Analytics: Haul route optimization
  • Security Systems: Mining-grade protection
  • Diagnostic Excellence: Predictive alerts
  • Fuel Optimization: Consumption management

Predictive Mining Maintenance

  • AI Scheduling: Based on mining severity
  • Component Life: Heavy-duty tracking
  • Drivetrain Management: 7-speed optimization
  • Brake & Retarder: Performance monitoring
  • Parts Forecasting: Critical inventory
  • Cost Control: Mining budget optimization

Mining Fleet Management

  • Digital Records: Complete service history
  • Mining Compliance: MSHA/regulatory reporting
  • Production Reports: Shift analytics
  • Cost Analysis: Per-ton calculations
  • Fleet Optimization: Multi-site management
  • ROI Maximization: $700K investment tracking

Transform Your Komatsu HM400-5 Heavy Hauling Operations with HVI

Join the world's leading mining operations achieving zero unplanned downtime with HVI

Why HVI is Essential for Your Komatsu HM400-5 Mining Fleet

Heavy ADT Expertise

Specialized protocols for the HM400-5's 469 HP engine, 7-speed transmission, and 44-ton payload capacity in extreme mining conditions.

Elite Integration

Direct KOMTRAX Plus connection monitors production exceeding 1,000 tons per shift while predicting failures weeks in advance.

Proven Mining ROI

HVI mining customers achieve 25-35% productivity improvement and zero unplanned downtime on their $700,000 ADT investments.

Start Free 30-Day HVI Trial Schedule Mining Demo

No Credit Card Required • Full KOMTRAX Plus Elite • Mining-Grade Support

Setup in 30 minutes • Works with mining systems • Mobile app included

The Komatsu HM400-5: Maximum Payload Meets Japanese Reliability

From open-pit mines to mega construction projects, the HM400-5 delivers unmatched productivity with its industry-leading 44.1-ton payload

Maximize your heavy hauling investment with intelligent HVI fleet management

Start Free HVI Trial Book Mining Consultation

Mining-Grade Platform • Zero Downtime Goal • 30-Day Free Trial

Legal Disclaimer & Important Notes

Trademark Notice: All brand names, logos, trademarks, and registered trademarks mentioned in this document, including but not limited to "Komatsu," "KOMTRAX," "K-TCS," "K-ATOMiCS," and related marks, are the exclusive property of their respective owners and original equipment manufacturers (OEMs). These trademarks are used for identification purposes only.

Information Source: The specifications, features, safety information, and operational data provided are based on publicly available manufacturer content, industry publications, official Komatsu documentation, and real-world mining operations as of August 2025. Information is provided for educational and reference purposes only.

KOMTRAX Plus Integration: Integration between KOMTRAX Plus telematics and HVI fleet management software requires coordination with authorized Komatsu mining dealers. Advanced telematics features may require additional subscriptions. Data availability depends on machine configuration and regional availability.

Pricing & Availability: Pricing estimates ($650,000-$750,000) are based on industry analysis and may vary significantly by region, dealer, configuration, options, and market conditions. Contact authorized Komatsu dealers for current pricing, availability, and specifications.

Important: Always consult the official Operation and Maintenance Manual and follow manufacturer-specific procedures. Heavy ADT operations require specialized training and certification. Mining operations must comply with MSHA, CANMET, or equivalent safety regulations. Specifications may vary by production year and regional requirements.

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