- Overall Length: 34.26 ft / 10440 mm
- Overall Width: 9.52 ft / 2900 mm
- Overall Height: 11.55 ft / 3520 mm
- Ground Clearance: 1.68 ft / 510 mm
Published dimensions and weight
Komatsu HM300-2
The Komatsu HM300-2 pairs the Komatsu SAA6D125E-5 engine (329 hp) with an operating weight near 51.4 t.
01Published dimensions and weight
Dimensions reference
Measurement reference — not to scale
01Dimensions referenceLength × width × height
02WeightNot publishedNot published
03Selected published values75
Articulated dump trucks are commonly used to haul bulk material across construction, quarry and earthmoving sites. Published rows for Komatsu HM300-2 include published payload of 27.3 metric tons 30.1 U.S. tons, published engine power of 340 hp / 254 kw, the published “Overall Length” field of 34.26 ft / 10440 mm. These values describe the published configuration; verify the specific machine's configuration, attachments and records.
- Compare the published “Overall Length” field (34.26 ft / 10440 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Overall Width” field (9.52 ft / 2900 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Overall Height” field (11.55 ft / 3520 mm) with the specific machine's configuration and records; options and condition can differ.
02Specifications
Published values, clearly grouped.
Published specifications and measurements are organized by section for quick reference.
Dimensions
Overall Length34.26 ft10440 mm
Overall Width9.52 ft2900 mm
Overall Height11.55 ft3520 mm
Ground Clearance1.68 ft510 mm
Turning Radius – Outside Minimum26.09 ft7950 mm
Tyre Gauge7.49 ft2280 mm
Steering System
Steering System TypeArticulated type, fully hydraulic power steering with two double-acting cylindersArticulated type, fully hydraulic power steering with two double-acting cylinders
Supplementary SteeringAutomatically actuated electrically poweredAutomatically actuated electrically powered
Minimum Turning Radius, Wall To Wal7.96 m 26'1"7.96 m 26'1"
Articulation Angle45°each direction45°each direction
Electrical System
Alternator24V, 75 Ah.24V, 75 Ah.
Batteries12V, 136 Ah x 2.12V, 136 Ah x 2.
Starter Motor24V, 11.0 kW.24V, 11.0 kW.
Suspension System
RearCombined hydro-pneumatic and rubber suspension systemCombined hydro-pneumatic and rubber suspension system
FrontHydro-pneumatic suspensionHydro-pneumatic suspension
Main Frame
Main Frame TypeArticulated type, box-sectioned construction on front and rear Connected by strong torque tubes.Articulated type, box-sectioned construction on front and rear Connected by strong torque tubes.
Body
Capacity Struck16.9 yd313 m3
Heaped (2:1, Sae)21.7 yd316.6 m3
Payload27.3 metric tons 30.1 U.S. tons27.3 metric tons 30.1 U.S. tons
Material130 kg/mm2 184,925 psi high tensile strength steel130 kg/mm2 184,925 psi high tensile strength steel
Material Thickness-Bottom0.6 in14 mm
Material Thickness-Front0.4 in7.9 mm
Material Thickness-Sides0.5 in12 mm
Target Area5240 mm x 2685 mm 17'2" x 8'10"5240 mm x 2685 mm 17'2" x 8'10"
HeatingExhaust heating (option)Exhaust heating (option)
Engine
Number Of Cylinders66
Engine Make00
Engine ModelKomatsu SAA6D125E-5Komatsu SAA6D125E-5
Engine TypeWater-cooled, 4-cycleWater-cooled, 4-cycle
Gross Power340 hp254 kw
LubricationMethod- Gear pump, force-lubrication Filter-Full-flow typeMethod- Gear pump, force-lubrication Filter-Full-flow type
Air CleanerDry type with double elements and precleaner (cyclonpack type), plus dust indicator EPA Tier 3 and EU Stage 3A emissions certifiedDry type with double elements and precleaner (cyclonpack type), plus dust indicator EPA Tier 3 and EU Stage 3A emissions certified
GovernorElectronically controlledElectronically controlled
Net Power329 hp246 kw
Power Measured @2000 rpm2000 rpm
AspirationTurbo-charged, after-cooled, cooled EGRTurbo-charged, after-cooled, cooled EGR
Displacement674 cu in11.1 L
Bore5 in125 mm
Stroke6 in150.4 mm
Fan Drive TypeMechanicalMechanical
Fuel SystemDirect injectionDirect injection
Maximum Torque174 kg•m 1,259 lb. ft174 kg•m 1,259 lb. ft
Capacities
Fuel Tank - Diesel101.5 gal384.3 L
Final Drive6.3 gal23.9 L
Hydraulic System31.7 gal120 L
Engine Oil9.8 gal37.1 L
Torque Converter, Transmission And Retarder Cooling20.5 gal77.7 L
Differentials16.8 gal63.6 L
Suspension2.7 gal10.3 L
Transmission
Travel Speed36.4 mph58.6 km/h
Torque Converter3-elements, 1-stage, 2-phase3-elements, 1-stage, 2-phase
TransmissionFull-automatic, counter-shaft typeFull-automatic, counter-shaft type
Speed Range6 speeds forward and 2 reverse6 speeds forward and 2 reverse
Lockup ClutchWet, single-disk clutchWet, single-disk clutch
ForwardTorque converter drive in 1st gear, direct drive in 1st lockup and all higher gearsTorque converter drive in 1st gear, direct drive in 1st lockup and all higher gears
ReverseTorque converter drive and direct drive in all gearTorque converter drive and direct drive in all gear
Shift ControlElectronic shift control with automatic clutch modulation in all gearElectronic shift control with automatic clutch modulation in all gear
Weights
Gross Weight113360 lb51419.3 kg
Empty Weight53000 lb24040.4 kg
Front Axle - Empty55.8 %55.8 %
Center Axle - Empty23.6 %23.6 %
Rear Axle - Empty20.6 %20.6 %
Front Axle - Loaded30.3 %30.3 %
Center Axle - Loaded35.5 %35.5 %
Rear Axle - Loaded34.2 %34.2 %
Tires
Standard Tire23.5 R2523.5 R25
Axles
Differential3.1543.154
Planetary4.6674.667
Hydraulic System
Hoist CylinderTwin, 2-stage telescopic typeTwin, 2-stage telescopic type
Relief Pressure20.6 MPa 210 kg/cm2 2,990 psi20.6 MPa 210 kg/cm2 2,990 psi
Hoist Time12 sec12 sec
Cab
ComplianceDimensions comply with ISO 3471 ROPS (Roll-Over Protective Structure) standardDimensions comply with ISO 3471 ROPS (Roll-Over Protective Structure) standard
Brakes
Service BrakeFull-hydraulic control, oil-cooled multiple-disc type on front and center axlesFull-hydraulic control, oil-cooled multiple-disc type on front and center axles
Parking BrakeSpring applied, caliper disc typeSpring applied, caliper disc type
RetarderFront and center axle brakes act as retarderFront and center axle brakes act as retarder
Need the machine, not just the numbers?
Find one, value one, or tell the market what you need.
Manufacturer-published specifications.