Komatsu HM300-2 Articulated Dump Truck

Weights
Empty Weight

53000 lb

Gross Weight

113360 lb

Platform
Articulation Angle

45°each direction

Engine & Fuel System
Engine Make

0

Engine Model

Komatsu SAA6D125E-5

Engine Oil

9.8 gal

Engine Type

Water-cooled, 4-cycle

Fuel System

Direct injection

Fuel Tank - Diesel

101.5 gal

Gross Power

340 hp

Maximum Torque

174 kg•m 1,259 lb. ft

Torque Converter

3-elements, 1-Stage, 2-phase

Net Power

329 hp

Number Of Cylinders

6

Power Measured @

2000 rpm

Aspiration

Turbo-charged, After cooled, , cooled EGR

Displacement

674 cu in

Air Cleaner

Dry type with double elements and precleaner (cyclonpack type), plus dust indicator EPA Tier 3 and EU Stage 3A emissions certified

Drive System
Final Drive

6.3 gal

Parking Brake

Spring applied, caliper disc type

Service Brake

Full-hydraulic control, oil-cooled multiple-disc type on front and center axles

Steering System Type

Articulated type, fully hydraulic power steering with two double acting cylinders

Supplementary Steering

Automatically actuated electrically powered

Hydraulic System
Hydraulic System

31.7 gal

Dimensions, Wheels & Tires
Standard Tire

23.5 R25

Ground Clearance

1.68 ft in

Overall Width

9.52 ft in

Overall Length

34.26 ft in

Overall Height

11.55 ft in

Front

Hydro-pneumatic suspension

Rear

Combined hydro-pneumatic and rubber suspension system

Battery & Electrical System
Alternator

24 V, 75 Ah.

Batteries

12 V, 136 Ah x 2.

Starter Motor

24 V, 11.0 kW.

Transmission
Transmission

Full-automatic, counter-shaft type

Speed Range

6 speeds forward and 2 reverse

Travel Speed

36.4 mph

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

Technical Specs
Tyre Gauge

7.49 ft in

Main Frame Type

Articulated type, box-sectioned construction on front and rear Connected by strong torque tubes.

Capacity - Struck

16.9 yd3

Heaped (2:1, Sae)

21.7 yd3

Payload

27.3 metric tons 30.1 U.S. tons

Material

130 kg/mm2 184,925 psi high tensile strength steel

Material Thickness-Bottom

0.6 in

Material Thickness-Front

0.4 in

Material Thickness-Sides

0.5 in

Target Area

5240 mm x 2685 mm 17'2' x 8'10'

Heating

Exhaust heating (option)

Lubrication

Method- Gear pump, force-lubrication Filter-Full-flow type

Governor

Electronically controlled

Bore

5 in

Stroke

6 in

Fan Drive Type

Mechanical

Differentials

16.8 gal

Suspension

2.7 gal

Lockup Clutch

Wet, single-disk clutch

Shift Control

Electronic shift control with automatic clutch modulation in all gear

Center Axle - Empty

23.6%

Center Axle - Loaded

35.5%

Differential

3.154

Planetary

4.667

Hoist Cylinder

Twin, 2-stage telescopic type

Relief Pressure

20.6 MPa 210 kg/cm2 2,990 psi

Hoist Time

12 sec

Compliance

Dimensions comply with ISO 3471 ROPS (Roll-Over Protective Structure) standard

Retarder

Front and center axle brakes act as retarder