Komatsu HM300-2
Browse All Komatsu or Articulated Dump Truck Models
Contents:
Dimensions
| Overall Length | 34.26 ft in (10440 mm) |
| Overall Width | 9.52 ft in (2900 mm) |
| Overall Height | 11.55 ft in (3520 mm) |
| Ground Clearance | 1.68 ft in (510 mm) |
| Turning Radius – Outside Minimum | 26.09 ft in (7950 mm) |
| Tyre Gauge | 7.49 ft in (2280 mm) |
Steering System
| Steering System Type | Articulated type, fully hydraulic power steering with two double-acting cylinders |
| Supplementary Steering | Automatically actuated electrically powered |
| Minimum Turning Radius, Wall To Wal | 7.96 m 26'1" |
| Articulation Angle | 45°each direction |
Electrical System
| Alternator | 24V, 75 Ah. |
| Batteries | 12V, 136 Ah x 2. |
| Starter Motor | 24V, 11.0 kW. |
Suspension System
| Rear | Combined hydro-pneumatic and rubber suspension system |
| Front | Hydro-pneumatic suspension |
Main Frame
| Main Frame Type | Articulated type, box-sectioned construction on front and rear Connected by strong torque tubes. |
Body
| Capacity Struck | 16.9 yd3 (13 m3) |
| Heaped (2:1, Sae) | 21.7 yd3 (16.6 m3) |
| 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 (14 mm) |
| Material Thickness-Front | 0.4 in (7.9 mm) |
| Material Thickness-Sides | 0.5 in (12 mm) |
| Target Area | 5240 mm x 2685 mm 17'2" x 8'10" |
| Heating | Exhaust heating (option) |
Engine
| Number Of Cylinders | 6 |
| Engine Make | 0 |
| Engine Model | Komatsu SAA6D125E-5 |
| Engine Type | Water-cooled, 4-cycle |
| Gross Power | 340 hp (254 kw) |
| Lubrication | Method- Gear pump, force-lubrication Filter-Full-flow type |
| Air Cleaner | Dry type with double elements and precleaner (cyclonpack type), plus dust indicator EPA Tier 3 and EU Stage 3A emissions certified |
| Governor | Electronically controlled |
| Net Power | 329 hp (246 kw) |
| Power Measured @ | 2000 rpm |
| Aspiration | Turbo-charged, after-cooled, cooled EGR |
| Displacement | 674 cu in (11.1 L) |
| Bore | 5 in (125 mm) |
| Stroke | 6 in (150.4 mm) |
| Fan Drive Type | Mechanical |
| Fuel System | Direct injection |
| Maximum Torque | 174 kg•m 1,259 lb. ft |
Capacities
| Fuel Tank - Diesel | 101.5 gal (384.3 L) |
| Final Drive | 6.3 gal (23.9 L) |
| Hydraulic System | 31.7 gal (120 L) |
| Engine Oil | 9.8 gal (37.1 L) |
| Torque Converter, Transmission And Retarder Cooling | 20.5 gal (77.7 L) |
| Differentials | 16.8 gal (63.6 L) |
| Suspension | 2.7 gal (10.3 L) |
Transmission
| Travel Speed | 36.4 mph (58.6 km/h) |
| 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-disk clutch |
| 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 |
| Shift Control | Electronic shift control with automatic clutch modulation in all gear |
Weights
| Gross Weight | 113360 lb (51419.3 kg) |
| Empty Weight | 53000 lb (24040.4 kg) |
| Front Axle - Empty | 55.8 % |
| Center Axle - Empty | 23.6 % |
| Rear Axle - Empty | 20.6 % |
| Front Axle - Loaded | 30.3 % |
| Center Axle - Loaded | 35.5 % |
| Rear Axle - Loaded | 34.2 % |
Tires
| Standard Tire | 23.5 R25 |
Axles
| Differential | 3.154 |
| Planetary | 4.667 |
Hydraulic System
| Hoist Cylinder | Twin, 2-stage telescopic type |
| Relief Pressure | 20.6 MPa 210 kg/cm2 2,990 psi |
| Hoist Time | 12 sec |
Cab
| Compliance | Dimensions comply with ISO 3471 ROPS (Roll-Over Protective Structure) standard |
Brakes
| Service Brake | Full-hydraulic control, oil-cooled multiple-disc type on front and center axles |
| Parking Brake | Spring applied, caliper disc type |
| Retarder | Front and center axle brakes act as retarder |
