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Introducing the HD605-8 Mechanical Haul Truck, renowned for its durability and long-life frames, making it an optimal choice for applications requiring exceptional longevity. Engineered with hydro-pneumatic suspension, a tight turning radius, and a superior ride, this truck excels in quarry operations and beyond.

Key specifications:

  • Up to a 7% reduction in fuel consumption*, promoting cost-effectiveness and environmental sustainability.
  • Up to 3% more productive*, enhancing operational efficiency and overall productivity.
  • Enhanced serviceability*, streamlining maintenance processes for increased efficiency.
  • Improved operator environment*, prioritizing comfort and usability for those operating the truck.

*Compared to HD605-7 model.

Product Features and benefits:

  1. MacPherson-Strut-Type Suspension: Enjoy a comfortable ride, even on uneven roads, with the MacPherson-strut-type independent front suspension. This design allows the front wheels to smoothly follow uneven road surfaces, enhancing overall driving experience.
  2. Fully Hydraulic Wet Multiple-Disc Brakes: Ensure operator confidence at higher downhill speeds with fully hydraulic wet multiple-disc brakes. Continuously oil-cooled, these brakes function as a highly responsive retarder, adding reliability and stability to brake performance.
  3. Automatic Retard Speed Control: Allow your operator to focus on steering by utilizing automatic retard speed control. Set the downhill travel speed at increments of 0.6 mph to match the optimum slope speed. If oil temperature increases to a set limit, travel speed is automatically lowered.
  4. K-ATOMiCS Transmission: The Komatsu Advanced Transmission with Optimum Modulation Control System (K-ATOMiCS) minimizes fuel consumption, reduces material spillage, and provides a smoother ride. It automatically selects the gear position based on grade, speed, and acceleration.
  5. Komatsu Traction Control System (KTCS): Engineered for optimal traction in soft or wet road conditions, KTCS monitors wheel slippage at the rear axle. If slippage is detected, brakes are applied independently and automatically to each wheel set, ensuring stability.
  6. High Rigidity Frame: Critical areas of the main frame utilize cast-steel components, enhancing machine durability by withstanding concentrated loads and shocks.
  7. Robust Dump Body Design: The dump body design, made of high-tensile-strength steel in a V-shape, ensures remarkable rigidity, stability, and lower center of gravity. This design contributes to lower maintenance costs.
  8. Ergonomically Designed Cab: Prioritize operator comfort for increased productivity. The cab compartment is ergonomically designed with a convenient control layout, providing a comfortable working environment.
  9. Convenient Access and Maintenance: Facilitate machine maintenance with inclined stairs and handrails providing easy access to the cab and service deck. Ground-accessible battery compartment ensures easy daily checks and battery replacement.
  10. Integrated Payload Meter and Centralized Greasing Points: Manage hauling cycle payloads with an integrated payload meter, displaying loaded weight in real time. Ground-level greasing points are centralized at three locations for easy accessibility.

Product Specifications for HD605-8:

Engine:

  • Model: Komatsu SAA6D170E-7
  • Type: Water-cooled, four-cycle
  • Aspiration: Variable geometry, turbo-charged, air-to-air after-cooled, cooled Exhaust Gas Recirculation (EGR)
  • Number of Cylinders: 6
  • Bore x Stroke: 6.69 x 6.69 in
  • Piston Displacement: 1,413 in³
  • Horsepower:
    • SAE J1995 (Gross): 775 HP
    • ISO 9249 / SAE J1349 (Net): 724 HP
    • Rated RPM: 2,000 RPM
  • Maximum Torque: 2,688 lbs.-ft.
  • Fuel System: Direct injection
  • Governor: Electronically controlled
  • Lubrication System:
    • Method: Gear pump, force-lubrication
    • Filter: Full-flow type
  • Air Cleaner: Dry type with double elements and precleaner (cyclone pack type), and evacuator valve
  • EPA Tier 4 Final Emissions Certified

Transmission:

  • Torque Converter: Three-elements, one-stage, two-phase
  • Transmission: Full-automatic, planetary type
  • Speed Range: Seven speeds forward and one reverse
  • Lockup Clutch: Wet, multiple-disc clutch
  • Maximum Travel Speed: 43.5 mph

Axles:

  • Rear Axle: Full-floating
  • Final Drive Type: Planetary gear
  • Ratios:
    • Differential: 3.538
    • Planetary: 4.737

Suspension System:

  • Type: Independent, hydro-pneumatic suspension cylinder with fixed throttle to dampen vibration
  • Effective Cylinder Stroke (Front Suspension): 11.9 in
  • Rear Axle Oscillation:
    • Oil Stopper: 6.8°
    • Mechanical Stopper: 7.7°

Steering System:

  • Type: Full-hydraulic power steering with two double-acting cylinders.
  • Supplementary Steering: Manually controlled (meets ISO 5010)
  • Minimum Turning Radius: 28 ft. 7 in
  • Maximum Steering Angle: 39°

Cab:

  • Dimensions comply with ISO 3471 ROPS (Roll-Over Protective Structure) standards.

Brakes:

  • Brakes meet ISO 3450 standards.
  • Service Brakes:
    • Front: Dry type, single disc type full hydraulic
    • Rear: Oil cooled, multiple disc type full hydraulic
  • Parking Brake: Oil cooled, multiple disc type, spring-operated, hydraulic releasing type
  • Retarder: Oil cooled, multiple disc type full hydraulic
  • Secondary Brake: Manual pedal operation when hydraulic pressure drops below the rated level, parking brake is automatically actuated

Main Frame:

  • Type: Box-sectioned structure

Body:

  • Capacity:
    • Struck: 37.9 yd³
    • Heaped (2:1, SAE): 52.3 yd³
  • Payload: 69.4 US tons
  • Material: High tensile strength steel (184,900 psi)
  • Material Thickness:
    • Bottom: 0.75 in
    • Front: 0.47 in
    • Sides: 0.35 in
  • Target Area (Inside Length x Width): 21 ft. 2 in x 12 ft. 8 in
  • Height at Full Dump: 28 ft. 10 in
  • Heating: Exhaust heating

Hydraulic System:

  • Hoist Cylinder: Twin, two-stage telescopic type
  • Relief Pressure: 2990 psi
  • Hoist Time: 11.5 s

Weight (Approximate):

  • Empty Weight: 113,803 lbs.
  • Nominal Gross Vehicle Weight:
    • Standard Tire: 252,870 lbs.
  • Max. Gross Vehicle Weight:
    • Standard Tire: 266,759 lbs.
  • Weight Distribution:
    • Empty:
      • Front Axle: 51%
      • Rear Axle: 49%
    • Loaded:
      • Front Axle: 33%
      • Rear Axle: 67%
  • *When payloads are managed per Komatsu’s 10-5-10 payload policy

Tires:

  • Standard Tire: 24.00 R35

Service Refill Capacities:

  • Fuel Tank: 211.3 US gal
  • Engine Oil: 21.1 US gal
  • Torque Converter, Transmission, and Retarder Cooling: 56.8 US gal
  • Differentials: 25.1 US gal
  • Final Drives (Total): 11.1 US gal
  • Hydraulic System: 39.4 US gal
  • Suspension (Total): 17.5 US gal

 

Further information on this machine can be viewed by visiting this link https://www.komatsu.com/products/trucks/mechanical-trucks/hd605-8

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DISCLAIMER: The information that has been provided in this article is sourced from https://www.komatsu.com. The author does not assume any responsibility or liability for the accuracy, completeness, or usefulness of the information provided. The author shall not be held liable for any loss or damage resulting from the use of this content. For further information please contact the manufacturer directly.