When aiming to optimize productivity, the HM300-5 excels by combining maneuverability, comfort, and durability, even in challenging conditions. The inclusion of automated powertrain features ensures consistent cycle times, catering to operators of all experience levels.
Key features include:
- Excellent maneuverability, facilitating efficient operation in various working environments.
- Automated powertrain features contribute to consistent cycle times, enhancing operational efficiency and user adaptability.
- Specifically designed for durability, ensuring longevity and reliability in demanding conditions.
Product Features and benefits:
Optimal Performance in Challenging Terrain: The Komatsu Traction Control System (KTCS) ensures exceptional machine performance in soft and slippery ground conditions while maintaining steering performance. This system allows for monitoring and adjustments to adapt to changing conditions.
Enhanced Transmission Efficiency: The K-ATOMiCS transmission, featuring a six-speed fully automatic design and advanced electronic system, maximizes transmission life. It delivers powerful acceleration, smooth downshifting, and synchronized engine speed, reducing shift shock and torque cutoff for exceptional efficiency.
Confidence on Downhill Travel: Boost operator confidence during downhill travel with large-capacity, continuously cooled, wet multiple-disk brakes. Functioning as a highly responsive retarder with a 526 horsepower absorption capacity, these brakes provide greater control and safety on descents.
Comfortable Ride Over Rough Terrain: Experience a smooth ride over rough terrain with front and rear axle hydro-pneumatic suspensions. Mounted on a dynamic equalizer structure, the rear axles contribute to reducing operator fatigue, ensuring a comfortable ride.
Operator-Focused Environment: Designed for operator comfort and productivity, the cab features improved entry in front of the front axle, a curved front dash panel, and thoughtful design enhancements. The spacious and quiet environment enhances visibility, promoting a comfortable and efficient working environment.
Efficient Loading Operations: Monitor production seamlessly with the integrated payload meter, displaying loaded material weight on the LCD monitor inside the cab. External lamps illuminate in green, yellow, or red as the payload increases, preventing under and over-loaded haul cycles for efficient loading operations.
product Specifications for HM300-5:
Engine:
- Model: Komatsu SAA6D125E-7
- Type: Water-cooled, 4-cycle
- Aspiration: Turbo-charged, after-cooled, cooled EGR
- Number of Cylinders: 6
- Bore: 4.92 in
- Stroke: 5.91 in
- Piston Displacement: 671 in³
- Horsepower:
- SAE J1995: 332 HP
- ISO 9249 / SAE J1349: 324 HP
- Rated RPM: 2,000 RPM
- Fan Drive Type: Hydraulic driven
- Maximum Torque: 1,237 ft.-lbs.
- 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, plus dust indicator
- EPA Tier 4 Final emissions certified
Transmission:
- Torque Converter: 3-elements, 1-stage, 2-phase
- Transmission: Full-automatic, counter-shaft type
- Speed Range: 6 speeds forward and 2 reverse
- Lockup Clutch: Wet, single-disc clutch
- Shift Control: Electronic shift control with automatic clutch modulation in all gears
- Maximum Travel Speed: 36.4 mph
Axles:
- Full-time all-wheel drive with Komatsu Traction Control System (K-TCS)
- Final Drive Type: Planetary gear
- Ratios:
- Differential: 3.154
- Planetary: 4.667
Suspension System:
- Front: Hydro-pneumatic suspension
- Rear: Combined hydro-pneumatic and rubber suspension system
Steering System:
- Type: Articulated type, fully hydraulic power steering with two double-acting cylinders
- Supplementary Steering: Automatically actuated, electrically powered
- Standard: ISO5010, SAE J1511
- Minimum Turning Radius, Wall to Wall: 26 ft. 7 in
- Articulation Angle: 45° each direction
Cab:
- Standard: ISO3449 (FOPS), ISO3471 (ROPS)
Brakes:
- Service Brakes: Full-hydraulic control, oil-cooled multiple-disc type on front and center axles
- Standard: ISO3450
- Parking Brake: Spring applied, caliper disc type
- Retarder: Front and center axle brakes act as retarder
Main Frame:
- Type: Articulated type, box-sectioned construction on front and rear connected by strong torque tubes
Body:
- Capacity:
- Struck: 16.9 yd³
- Heaped (2:1, SAE): 22.4 yd³
- Payload: 30.9 US tons
- Material – High Tensile Strength Steel: 184,925 psi
- Material Thickness:
- Bottom: 0.55 in
- Front: 0.31 in
- Sides: 0.47 in
- Target Area – (Inside Length x Width): 17 ft. 3 in x 8 ft. 10 in
- Heating: Exhaust heating (optional)
Hydraulic System:
- Hoist Cylinder: Twin, telescopic type
- Relief Pressure: 4,264 psi
- Hoist Time: 10.5 s
Weight (Approximate):
- Empty Weight: 55,986 lbs.
- Gross Vehicle Weight: 117,892 lbs.
- Weight Distribution:
- Empty:
- Front Axle: 58.9%
- Center Axle: 22.5%
- Rear Axles: 18.6%
- Loaded:
- Front Axle: 30.8%
- Center Axle: 36.0%
- Rear Axles: 33.2%
- Empty:
Tires:
- Standard Tire: 23.5 R25
Service Refill Capacities:
- Fuel Tank: 102.5 US gal
- DEF Tank: 8.7 US gal
- Engine Oil: 9.2 US gal
- Torque Converter, Transmission, and Retarder Cooling: 21.1 US gal
- Differentials (Total): 18.9 US gal
- Final Drives (Total): 6.1 US gal
- Hydraulic System: 27.2 US gal
- Suspension (Total): 2.7 US gal
Further information on this machine can be viewed by visiting this link https://www.komatsu.com/products/trucks/articulated-trucks/hm300-5
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