Komatsu HD405-7
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Contents:
Dimensions
| Overall Length | 27.75 ft in (8465 mm) |
| Overall Width | 12 ft in (3660 mm) |
| Overall Height | 12.64 ft in (3850 mm) |
| Wheelbase | 12.33 ft in (3750 mm) |
| Turning Radius @ Centre Front Tyre | 23.63 ft in (7200 mm) |
Electrical System
| Alternator | 4V, 50 Ah |
| Batteries | 2 x 12V, 170 Ah |
| Starter Motor | 11kW |
| Electric Circuit Breaker | 24 Volt |
Body
| Capacity Struck | 26.2 yd3 (20.1 m3) |
| Heaped (2:1, Sae) | 35.7 yd3 (27.3 m3) |
| Payload | 5.241.0 metric tons 40 U.S. tons |
| Material | 150 kg/mm2 227520 psi high-tensile-strength steel |
| Material Thickness-Bottom | 1 in (24.9 mm) |
| Material Thickness-Front | 0.7 in (16.1 mm) |
| Material Thickness-Sides | 0.6 in (14 mm) |
| Target Area | 5590 mm x 3380 mm 18\'4\" x 11\'1\" |
| Heating | Exhaust heating |
| Structure | V-shape body |
| Dumping Angle | 48 degrees |
| Height At Full Dump | 26 ft in (7924.8 mm) |
Engine
| Lubrication System | Method- Gear pump, force-lubrication, Filter-Full-flow type |
| Number Of Cylinders | 6 |
| Engine Make | 2238 |
| Engine Model | SAA6D140E-5 |
| Engine Type | Water-cooled, 4-cycle |
| Air Cleaner | Dry type with double elements and precleaner, plus dust indicator |
| Governor | Electronically controlled |
| Power Measured @ | 2000 rpm |
| Max Torque | 1598.3 lb ft (2167 Nm) |
| Displacement | 930 cu in (15.3 L) |
| Aspiration | Turbo-charged,air-to-air after-cooled,cooled EGR |
| Bore And Stroke | 140 mm x 165 mm 5.5" x 6.5" |
| Horse Power: Sae J1995 | 518 hp (386.3 kw) |
| Horse Power: Iso 9249 / Sae J1349 | 498 hp (371.4 kw) |
| Fan Drive Type | Mechanical |
| Fuel System | Direct injection |
Capacities
| Fuel Tank | 127.9 gal (484.2 L) |
| Final Drive | 7.9 gal (30 L) |
| Hydraulic System | 34.1 gal (129.1 L) |
| Engine Oil | 13.2 gal (50 L) |
| Torque Converter, Transmission And Retarder Cooling | 23.8 gal (90.1 L) |
| Differentials | 11.9 gal (45.1 L) |
| Suspension | 11.7 gal (44.3 L) |
Power Train
| Power Train Type | Transmission, full automatic, electric control with clutch modulation. - Differential, standard. |
Transmission
| Max Speed | 43.5 mph (70 km/h) |
| Torque Converter | 3-elements, 1-stage, 2-phase |
| Transmission | Full-automatic, planetary type |
| Speed Range | 7 speeds forward and 1 reverse |
| Lockup Clutch | Wet, single-disc clutch |
| Forward | Torque converter drive in 1st gear, direct drive in 1st lockup and all higher gears |
| Reverse | Torque converter drive |
| Shift Control | Electronic shift control with automatic clutch modulation in all gear |
Weights
| Gross Weight | 165520 lb (75078.7 kg) |
| Empty Weight | 75840 lb (34400.5 kg) |
| Loaded Weight | 164200 lb (74479.9 kg) |
| Weight Distribution Front - Empty | 50.7 % |
| Weight Distribution Rear - Empty | 49.3 % |
| Weight Distribution Front - Loaded | 32.8 % |
| Weight Distribution Rear - Loaded | 67.2 % |
Tires
| Standard Tire | 18.00 R33 |
Axles
| Final Drive | Planetary gear |
| Differential | 3.125 |
| Planetary | 4.737 |
| Rear | Full-floating |
Hydraulic System
| Hoist Cylinder | Twin, 2-stage telescopic type |
| Relief Pressure | 20.6 MPa 210 kg/cm2 2,990 psi |
| Hoist Time | 10 sec |
Brakes
| Parking Brake | Spring applied, caliper disc type |
| Service Brake | Front- Fully hydraulic control, caliper disc type; Rear- Fully hydraulic, oil-cooled, multiple-disc type |
| Retarder | Oil-cooled, multiple-disc rear brakes act as retarder |
| Secondary Brake | Manual pedal operation. When hydraulic pressure drops below the rated level, parking brake is automatically actuated |
| Brake Surface | Front- 968 cm2 150 in2 ; Rear - 50847 cm2 7,881 in2 |
