Overview
The Komatsu HD405-7 Rock Truck is a articulated dump truck listed in the Heavy Equipment Hub equipment database with structured specifications for comparison, research, and machine selection. Key specification points include travel speed of 43.5 mph and fuel capacity of 127.9 gal. This model can be reviewed for equipment comparison, jobsite planning, fleet research, and specification-based machine selection. Use the full specifications table to compare the Komatsu HD405-7 Rock Truck against similar articulated dump truck models by power, weight, capacity, dimensions, speed, and other technical values.
Key Specifications
Overall Length
27.75
ft
Overall Width
12
ft
Full Specifications
44 specs
Dimensions
Capacity Struck
26.20
Dumping Angle
48 deg
Electric Circuit Breaker
24
Heaped (2:1, Sae)
35.70
Height At Full Dump
26 ft / 7.92 m
Material Thickness-Bottom
1
Material Thickness-Front
0.70
Material Thickness-Sides
0.60
Overall Height
12.64 ft / 3.85 m
Overall Length
27.75 ft / 8.46 m
Overall Width
12 ft / 3.66 m
Turning Radius @ Centre Front Tyre
23.63 ft / 7.20 m
Wheelbase
12.33 ft / 3.76 m
Engine
140 mm x 165 mm 5.5\" x 6.5\"
1,995
Differential
3.13
Displacement
930 cu in / 15.2 L
Empty Weight
75,840 lb / 34,400 kg
Engine Make
2238
Engine Model
SAA6D140E-5
Engine Type
Water-cooled, 4-cycle
Final Drive
7.9
Fuel Tank
127.90 gal / 484.2 L
Horse Power: Iso 9249 / Sae J1349
498
Horse Power: Sae J1995
518
Loaded Weight
164,200 lb / 74,480 kg
Max Speed
43.50 mph / 70.0 km/h
Max Torque
1,598 lb-ft / 2,167 Nm
Number of Cylinders
6
Power Measured @
2,000 rpm
Starter Motor
11.0 kW / 15 hp
Weight Distribution Front - Empty
51 lb / 23 kg
Weight Distribution Front - Loaded
33 lb / 15 kg
Weight Distribution Rear - Empty
49 lb / 22 kg
Weight Distribution Rear - Loaded
67 lb / 30 kg
Hydraulics
Brake Surface
968
Differentials
11.90
Engine Oil
13.20 gal / 50.0 L
Gross Weight
165,520 lb / 75,079 kg
Hoist Cylinder
2
Hoist Time
10
Planetary
4.74
Speed Range
7
Suspension
11.70
Torque Converter, Transmission And Retarder Cooling
24 lb-ft / 32 Nm
Related Machines
Frequently Asked Questions
How does the Komatsu HD405-7 Rock Truck compare to similar Articulated Dump Truck models? +
You can compare the Komatsu HD405-7 Rock Truck side by side with any other model using the Heavy Equipment Hub compare tool. Key comparison points include engine power, operating weight, digging depth, hydraulic flow, and overall dimensions.