Main Technical Specifications
MAKE Komatsu
MODEL HM300-5

*Price, if shown, is Manufacturer's Suggested Retail Price (MSRP) and does not include government fees, taxes, dealer freight/preparation, dealer document preparation charges or any finance charges (if applicable). MSRP and/or final actual sales price will vary depending on options or accessories selected.

New Equipment Sales only available in assigned territories where Kirby-Smith Machinery, Inc. is a licensed distributor. Not all manufacturer's brands available at each location. Please contact your local Kirby-Smith branch if you have questions regarding availability.

New Komatsu HM300-5 Articulated Dump Truck for Sale

When it comes to maximizing your productivity, the HM300-5 delivers maneuverability, comfort and durability in one — even in harsh conditions. Automated powertrain features allow consistent cycle times from all operator experience levels.

  • Excellent maneuverability
  • Automated powertrain features
  • Designed for durability

Komatsu Traction Control System: Monitor and adjust to changing conditions. Komatsu Traction Control System (KTCS) is designed to provide excellent machine performance in soft and slippery ground conditions without sacrificing steering performance.

Maximize transmission life: Powerful acceleration, smooth down shifting and synchronized engine speed. The K-ATOMiCS transmission features a six-speed, fully automatic transmission with an advanced electronic system to reduce shift shock and torque cutoff for exceptional efficiency.

Greater confidence when traveling downhill: Increase operator confidence when traveling down hill through large capacity, continuously cooled, wet multiple-disk brakes that also function as a highly responsive retarder with 526 horsepower absorption capacity.

Smooth ride over rough terrain: Discover a smooth ride over the rough terrain with front and rear axle hydro-pneumatic suspensions. The rear axles are mounted on a dynamic equalizer structure and the entire system is designed to help reduce operator fatigue while offering a comfortable ride.

Comfortable operator environment: Improved cab entry in front of the front axle. A curved front dash panel. Thoughtful design enhancements throughout the cab provide the operator excellent visibility and a large, quiet environment to promote productivity and comfort.

Efficient loading: Monitor production with a standard, integrated payload meter that displays loaded material weight on the LCD monitor inside the cab. External lamps illuminate green, yellow or red as the payload increases to help prevent under and over loaded haul cycles.

Specs
Duty Heavy
Class Class 8 (GVW 33,001 lbs or more)
Cab Style Standard Cab
Gross Vehicle Wt Rating (GVWR) 117,892 lbs. (53,470 kg)
Body
Chassis Articulated type, box-sectioned construction on front and rear, connected by strong torque tubes.
Cab ISO3449 (FOPS)
ISO3471 (ROPS)
Frame Type Articulated type, box-sectioned construction on front and rear. Connected by strong torque tubes
Material 184,925 PSI; high tensile strength steel
Material Thickness Bottom: .55”
Front: .31”
Sides: .47”
Body Capacity 17.5 yd³ (struck)
22.4 yd³ (heaped)
Dimensions
Box Size 17 ft. 3 in. x 8 ft. 10 in. (5,258 x 2,691 mm)
Weight 117,892 lbs.
Turning Radius 26’7”
Overall Length 33 ft. 8 in. (10,260 mm)
Overall Width 9 ft. 6 in. (2,896 mm)
Overall Height 11 ft. 11 in. (3,633 mm)
Steering Angle 45° (articulation)
Ratio Differential Axle: 3.154
Planetary Axle: 4.667
Target Area 17’3” x 8’10”
Engine/Drivetrain
Axles Full time all wheel drive with Komatsu Traction Control System (K-TCS)
Drive Type: Planetary Gear
Transmission Full-automatic, counter-shaft type
Forward: Torque converter drive in 1st gear, direct drive in 1st lockup and all higher gears
Reverse: Torque converter drive and direct drive in all gear
Engine Make Komatsu
Engine Model SAA6D125E-7
Engine Type Water-cooled, 4-cycle, turbo-charged, direct injection
Horsepower 332 HP (Gross)
324 HP (Net)
Bore x Stroke 4.92 x 5.91 in. (125 x 150 mm)
Displacement 671 cu. in. (11 l)
Torque 1,237 ft. lbs. (171 kg/m)
Gears 6 forward
2 reverse
Air Cleaner Dry type with double elements and precleaner, plus dust indicator
Fuel Tank Capacity 102.5 Gallons
Speed 36.4 MPH (Travel)
Governor Electronically controlled
Rated RPM 2000 RPM
Lubrication System Method: Gear pump, force-lubrication
Filter: Full-flow type
Number of Cylinders 6
Aspiration Turbo-charged, after-cooled, cooled EGR
Piston Displacement 671 in³
Fan Drive Type Hydraulic driven
Speed Range 6 speeds forward and 2 reverse
Torque Converter 3-elements, 1-stage, 2-phase
Operational
Brakes Service: Full-hydraulic control, oil-cooled multiple-disc type on front and center axles
Standard: ISO03450
Parking: Spring applied, caliper disc type
Retarder: Front and center axle brakes act as retarder
Suspension Front: Hydro-pneumatic suspension
Rear: Combined hydro-pneumatic and rubber suspension system
Tires 23.5 R25
Steering Articulated type, fully hydraulic power steering with two double-acting cylinders
Secondary: Automatically actuated, electronically powered
Standard: ISO5010, SAE J1511
Front Axle Empty: 58.9%
Loaded: 30.8%
Rear Axle Empty Center Axle: 22.5%
Empty Rear Axle: 18.6%
Loaded Center Axle: 36%
Loaded Rear Axle: 33.2%
Rear End Ratio Differential: 3.154
Planetary: 4.667
Heating System Exhaust heating (option)
Payload Capacity 30.9 tons
Hoist Cylinder: Twin, telescopic type
Time: 10.5 seconds
Relief Pressure Setting 4409 PSI
Hydraulic System Capacity 27.2 Gallons
Shift Control Electronic shift control with automatic clutch modulation in all gear
Lockup Clutch Wet, single-disk clutch

  • Air cleaner, dry type, double elements
  • Air cleaner dust level indicator
  • Air pre-cleaner
  • Alternator, 90 A, 24 V
  • Alarm, backup
  • Anti-slip material on fenders
  • Auxiliary steering system, automatic, electric
  • Back-up lamp
  • Batteries, 2 x 12 V/200 Ah
  • Battery disconnect
  • Centralized greasing
  • Color rear view camera and monitor
  • Coolant temperature alarm and lamp
  • Dump counter
  • ECO Guidance
  • Electronic hoist control system
  • Electric circuit breaker, 24 V
  • Electric priming fuel pump
  • Electronic pump for hydraulic tilt cab
  • Engine, Komatsu SAA6D125E-7
  • Engine underguard
  • Engine shutdown secondary switch
  • Front view mirror
  • Full-automatic F6-R2 transmission with lock-up torque converter & K-ATOMiC shift control
  • Hazard lamps
  • Hand rails for platform and ladder
  • Headlights, front (high and low)
  • Heated rearview mirrors, LH and RH side
  • Horn, electric
  • Hydraulic driven cooling fan, for after cooler
  • Hydraulic driven cooling fan, for radiator
  • Hydropneumatic suspension, front and rear
  • Interaxle lockup, wet disc clutch type, controlled by KTCS
  • Komatsu Traction Control System (KTCS)
  • Komatsu Diesel Particulate Filter (KDPF)
  • Komatsu Variable Geometry Turbocharger (KVGT)
  • KOMTRAX®
  • Ladders LH side
  • Mud guards
  • Parking brake
  • Payload Meter (PLM)
  • Protective grille for rear window
  • Propeller shaft guards, front and rear
  • Provision for tailgate
  • Retarder/brake system
  • Rims for 23.5 x 25, set of 6
  • ROPS/FOPS cab Level 2
    • 2 x DC12V electrical outlets
    • 12V cigarette lighter
    • Air conditioner/Heater/Defroster
    • Ashtray
    • Color LCD/TFT multi-monitor
    • Cup holder
    • Floor mat
    • Operator seat, reclining, air suspension type with 3-point retractable seat belt, 3" width lap belt, 2" width shoulder belt
    • Passenger seat with 2-point retractable seat belt, 3" width
    • Power window (LH)
    • Space for lunch box
    • Sliding window (RH)
    • Steering wheel, tilt and telescopic
    • Sun visor, front window
    • Tiltable ROPS cab with FOPS, sound suppression type
    • Windshield washer and wiper, front and rear
  • Selective Catalytic Reduction (SCR) system
  • Starting motor, 7.5 kW
  • Steering joint locking assembly
  • Step (right side)
  • Stop, tail, and turn signal lamps (LED)
  • Tool box
  • Transmission underguard
  • Two mode engine power system (Economy and Power)
  • Work lamps, LH and RH side

  • 23.5 x 25 tires
  • 750/65 R25 rims
  • 750/65 R25 tires
  • Body, 22.4 yd3
  • Body, exhaust heated, 22.4 yd3
  • Tail gate, scissors type

*Price, if shown, is Manufacturer's Suggested Retail Price (MSRP) and does not include government fees, taxes, dealer freight/preparation, dealer document preparation charges or any finance charges (if applicable). MSRP and/or final actual sales price will vary depending on options or accessories selected.