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Komatsu HD605-8 MECHANICAL TRUCKS

Komatsu HD605-8 MECHANICAL TRUCKS

Capacity:
69.4
Horsepower:
775 @2000 rpm
MaxGrossVehicleWeight:
252870
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Product Feature

Small Turning Radius

The McPherson strut type front suspension has a special A-arm between each wheel and the main frame. The wider space created between the front wheels and the main frame increases the turning angle of the wheels. The larger turning angle correlates to a smaller turning radius.

Fully Hydraulic Controlled Wet Multiple-Disc Brakes and Retarder

Wet multiple-disc brakes ensure highly reliable and stable brake performance. The large-capacity, continuously-oilcooled, multiple-disc brakes also function as a highly responsive retarder, which gives the operator greater confidence at higher downhill speeds.

Komatsu Advanced Transmission with Optimum. Modulation Control System (K-ATOMiCS) with Skip Shift Function

Fully automatic control selects the optimum gear, according to vehicle speed and the engine speed. The shift point automatically changes, depending on the acceleration of the vehicle. This avoids unnecessary fuel consumption.

Komatsu Traction Control System (KTCS)

New KTCS ensures optimum traction in soft or wet road conditions. The system monitors for wheel slippage at the rear axle, and an acceleration sensor allows determination of a high speed turn versus slippage.

Ergonomically Designed Cab

The ergonomically designed operator's compartment provides the operator a convenient control layout and comfortable environment for more confident operation and greater productivity.

Air Suspension Seat

The heated and ventilated, air suspension, fabric-covered seat is adjustable to the operator’s weight, and is provided as standard. The air suspension seat dampens vibrations transmitted from the machine to reduce operator fatigue. A three-point operator seat belt is standard.

Rearview Monitor System

The operator can view behind the vehicle on the full color monitor, located on the right side of the dashboard. This monitor can be always ON, or only when the shift lever is in the reverse position. Visual distance guidelines can be added for the operator's convenience.

Convenient Access

Inclined stairs with handrails provide easy access to the cab and service deck.

High Rigidity Frame

Cast-steel components are used in critical areas of the main frame where loads and shocks are most concentrated.

Integrated Payload Meter

PLM is a tool to manage the hauling cycle payloads and to analyze the production volume and working conditions of the dump truck for specific time periods. Loaded weight is shown on the payload display (on the LCD unit), and by the external display lamps in real time, while loading.

Ground Accessible Battery Compartment

The battery compartment is located at ground level to facilitate daily checks and battery replacement.

Engine

Model
Komatsu SAA6D170E-7*
Type
Water-cooled, four-cycle
Aspiration
Variable geometry, turbo-charged, air-to-air after-cooled, cooled Exhaust Gas Recirculation (EGR)
Number of cylinders
6
Bore x stroke 170 mm x 170 mm 6.69" x 6.69"
Piston displacement 23.15 ltr 1,413 in³
Horsepower:

SAE J1995 / Gross 578 kW 775 HP
ISO 9249 / SAE J1349 / Net 540 kW 724 HP
Rated rpm
2000 rpm
Maximum torque 372 kg•m 2,688 lb. ft
Fuel system
Direct injection
Governor
Electronically controlled
Lubrication system:

Method
Gear pump, force-lubrication
Filter
Full-flow type
Air cleaner
Dry type with double elements and precleaner (cyclone pack type), and evacuator valve
*EPA Tier 4 Final emissions certified

Transmission

Torque converter
Three-elements, one-stage, two-phase
Transmission
Full-automatic, planetary type
Speed range
Seven speeds forward and one reverse
Lockup clutch
Wet, multiple-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 gears
Maximum travel speed 70.0 km/h 43.5 mph

Axles

Rear Axle Full-floating
Final drive type Planetary gear
Ratios:
Differential 3.538
Planetary 4.737

Suspension System

Independent, hydro-pneumatic suspension cylinder with fixed throttle to dampen vibration

Effective cylinder stroke (front suspension) 303 mm 11.9"
Rear axle oscillation:

Oil stopper
6.8°
Mechanical stopper
7.7°

Steering System

Type
Full-hydraulic power steering with two double-acting cylinders.
Supplementary steering
Manually controlled
(meets ISO 5010)
Minimum turning radius 8.7 m 28'7"
Maximum steering angle
39°

Cab

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

Brakes

Brakes meet ISO 3450 standards.

Main Frame

Type: Box-sectioned structure

Body

Capacity:

Struck 29.0 m³ 37.9 yd³
Heaped (2:1, SAE) 40.0 m³ 52.3 yd³
Payload 63.0 metric tons 69.4 U.S. tons
Material
high tensile strength steel
130 kg/mm² 184,900 psi
Material thickness:

Bottom 19 mm 0.75"
Front 12 mm 0.47"
Sides 9 mm 0.35"
Target area
(inside length x width)
6450 mm x 3870 mm 21' 2" x 12' 8"
Height at full dump 8800 mm 28'10"
Heating
Exhaust heating

Hydraulic System

Hoist cylinder
Twin, 2-stage telescopic type
Relief pressure 210 kg/cm² 20.6 MPa 2,990 psi
Hoist time
11.5 sec

Weight

Empty weight 51620 kg
113,803 lbs
Nominal gross vehicle weight:

Standard tire 114700 kg 252,870 lbs
*Max. gross vehicle weight:
Standard tire 121,000 kg 266,759 lbs
Weight distribution:

Empty:

Front axle
51%
Rear axle
49%
Loaded:

Front axle
33%
Rear axle
67%

*When payloads are managed per Komatsu's 10-5-10 payload policy

Tires

Standard tire: 24.00 R35

Product Parameter

Model
Komatsu SAA6D170E-7*
Type
Water-cooled, four-cycle
Aspiration
Variable geometry, turbo-charged, air-to-air after-cooled, cooled Exhaust Gas Recirculation (EGR)
Number of cylinders
6
Bore x stroke 170 mm x 170 mm 6.69" x 6.69"
Piston displacement 23.15 ltr 1,413 in³
Horsepower:

SAE J1995 / Gross 578 kW 775 HP
ISO 9249 / SAE J1349 / Net 540 kW 724 HP
Rated rpm
2000 rpm
Maximum torque 372 kg•m 2,688 lb. ft
Fuel system
Direct injection
Governor
Electronically controlled
Lubrication system:

Method
Gear pump, force-lubrication
Filter
Full-flow type
Air cleaner
Dry type with double elements and precleaner (cyclone pack type), and evacuator valve
*EPA Tier 4 Final emissions certified


Torque converter
Three-elements, one-stage, two-phase
Transmission
Full-automatic, planetary type
Speed range
Seven speeds forward and one reverse
Lockup clutch
Wet, multiple-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 gears
Maximum travel speed 70.0 km/h 43.5 mph

Rear Axle Full-floating
Final drive type Planetary gear
Ratios:
Differential 3.538
Planetary 4.737


Effective cylinder stroke (front suspension) 303 mm 11.9"
Rear axle oscillation:

Oil stopper
6.8°
Mechanical stopper
7.7°

Type
Full-hydraulic power steering with two double-acting cylinders.
Supplementary steering
Manually controlled
(meets ISO 5010)
Minimum turning radius 8.7 m 28'7"
Maximum steering angle
39°

Service brakes:

Front
Dry type, single disc type full hydraulic
Rear
Oil cooled, multiple disc type full hydraulic
Parking brake
Oil cooled, multiple disc type, spring operated, hydraulic releasing type
Retarder
Oil cooled, multiple disc type full hydraulic
Secondary brake
Manual pedal operation when hydraulic pressure drops below the rated level, parking brake is automatically actuated

Capacity:

Struck 29.0 m³ 37.9 yd³
Heaped (2:1, SAE) 40.0 m³ 52.3 yd³
Payload 63.0 metric tons 69.4 U.S. tons
Material
high tensile strength steel
130 kg/mm² 184,900 psi
Material thickness:

Bottom 19 mm 0.75"
Front 12 mm 0.47"
Sides 9 mm 0.35"
Target area
(inside length x width)
6450 mm x 3870 mm 21' 2" x 12' 8"
Height at full dump 8800 mm 28'10"
Heating
Exhaust heating

Hoist cylinder
Twin, 2-stage telescopic type
Relief pressure 210 kg/cm² 20.6 MPa 2,990 psi
Hoist time
11.5 sec

Empty weight 51620 kg
113,803 lbs
Nominal gross vehicle weight:

Standard tire 114700 kg 252,870 lbs
*Max. gross vehicle weight:
Standard tire 121,000 kg 266,759 lbs
Weight distribution:

Empty:

Front axle
51%
Rear axle
49%
Loaded:

Front axle
33%
Rear axle
67%

Fuel tank 800 ltr 211.3 U.S. Gal
Engine oil 80 ltr 21.1 U.S. Gal
Torque converter, transmission and retarder cooling 215 ltr 56.8 U.S. Gal
Differentials 95 ltr 25.1 U.S. Gal
Final drives (total) 42 ltr 11.1 U.S. Gal
Hydraulic system 149 ltr 39.4 U.S. Gal
Suspension (total) 66.2 ltr 17.5 U.S. Gal

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