Komatsu HD405-7 Rock Truck
Dimensions
Dimensions
Overall Length
27.75ft in
Overall Width
12ft in
Overall Height
12.64ft in
Wheelbase
12.33ft in
Turning Radius @ Centre Front Tyre
23.63ft in
Specifications
Electrical System
Alternator
4V, 50 Ah
Batteries
2 x 12V, 170 Ah
Starter Motor
11kW
Electric Circuit Breaker
24 Volt
Body
Capacity Struck
26.2yd3
Heaped (2:1, Sae)
35.7yd3
Payload
5.241.0 metric tons 40 U.S. tons
Material
150 kg/mm2 227520 psi high-tensile-strength steel
Material Thickness-Bottom
1in
Material Thickness-Front
0.7in
Material Thickness-Sides
0.6in
Target Area
5590 mm x 3380 mm 18\\\'4\\\" x 11\\\'1\\\"
Heating
Exhaust heating
Structure
V-shape body
Dumping Angle
48degrees
Height At Full Dump
26ft in
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 @
2000rpm
Max Torque
1598.3lb ft
Displacement
930cu in
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
518hp
Horse Power: Iso 9249 / Sae J1349
498hp
Fan Drive Type
Mechanical
Fuel System
Direct injection
Capacities
Fuel Tank
127.9gal
Final Drive
7.9gal
Hydraulic System
34.1gal
Engine Oil
13.2gal
Torque Converter, Transmission And Retarder Cooling
23.8gal
Differentials
11.9gal
Suspension
11.7gal
Power Train
Power Train Type
Transmission, full automatic, electric control with clutch modulation. - Differential, standard.
Transmission
Max Speed
43.5mph
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
165520lb
Empty Weight
75840lb
Loaded Weight
164200lb
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
