Known for durability and long-life frames, the HD605-8 mechanical truck was engineered for exceptional longevity. Featuring hydro-pneumatic suspension, a tight turning radius and superior ride, this truck is an excellent choice for quarry operations and more.
*Compared to HD605-7
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 x 170 mm |
Piston displacement | 23.15 L |
Horsepower: | |
SAE J1995 / Gross | 578 kW |
ISO 9249 / SAE J1349 / Net | 540 kW |
Rated rpm | 2 000 rpm |
Maximum torque | 372 kg-m |
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
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 | 6.69 x 6.69 in |
Piston displacement | 1,413 in³ |
Horsepower: | |
SAE J1995 / Gross | 775 HP |
ISO 9249 / SAE J1349 / Net | 724 HP |
Rated rpm | 2,000 rpm |
Maximum torque | 2,688 lbs.-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 kph |
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 | 43.5 mph |
Rear Axle | Full-floating |
Final drive type | Planetary gear |
Ratios: | |
Differential | 3.538 |
Planetary | 4.737 |
Rear Axle | Full-floating |
Final drive type | Planetary gear |
Ratios: | |
Differential | 3.538 |
Planetary | 4.737 |
Independent, hydro-pneumatic suspension cylinder with fixed throttle to dampen vibration
Effective cylinder stroke (front suspension) | 303 mm |
Rear axle oscillation: | |
Oil stopper | 6.8° |
Mechanical stopper | 7.7° |
Independent, hydro-pneumatic suspension cylinder with fixed throttle to dampen vibration
Effective cylinder stroke (front suspension) | 11.9 in |
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 |
Maximum steering angle | 39° |
Type | Full-hydraulic power steering with two double-acting cylinders. |
Supplementary steering | Manually controlled (meets ISO 5010) |
Minimum turning radius | 28 ft. 7 in |
Maximum steering angle | 39° |
Dimensions comply with ISO 3471 ROPS (Roll-Over Protective Structure) standards.
Dimensions comply with ISO 3471 ROPS (Roll-Over Protective Structure) standards.
Brakes meet ISO 3450 standards.
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 |
Brakes meet ISO 3450 standards.
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 |
Type
Box-sectioned structure
Type
Box-sectioned structure
Capacity: | |
Struck | 29.0 m³ |
Heaped (2:1, SAE) | 40.0 m³ |
Payload | 63.0 metric tons |
Material high tensile strength steel |
130 kg/mm² |
Material thickness: | |
Bottom | 19 mm |
Front | 12 mm |
Sides | 9 mm |
Target area (inside length x width) |
6 450 x 3 870 mm |
Height at full dump | 8 800 mm |
Heating | Exhaust heating |
Capacity: | |
Struck | 37.9 yd³ |
Heaped (2:1, SAE) | 52.3 yd³ |
Payload | 69.4 US tons |
Material high tensile strength steel |
184,900 psi |
Material thickness: | |
Bottom | 0.75 in |
Front | 0.47 in |
Sides | 0.35 in |
Target area (inside length x width) |
21 ft. 2 in x 12 ft. 8 in |
Height at full dump | 28 ft. 10 in |
Heating | Exhaust heating |
Hoist cylinder | Twin, two-stage telescopic type |
Relief pressure | 210 kg/cm² 20.6 MPa |
Hoist time | 11.5 s |
Hoist cylinder | Twin, two-stage telescopic type |
Relief pressure | 2990 psi |
Hoist time | 11.5 s |
Empty weight | 51 620 kg |
Nominal gross vehicle weight: | |
Standard tire | 114 700 kg |
*Max. gross vehicle weight: | |
Standard tire | 121 000 kg |
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
Empty weight | 113,803 lbs. |
Nominal gross vehicle weight: | |
Standard tire | 252,870 lbs. |
*Max. gross vehicle weight: | |
Standard tire | 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
Standard tire: 24.00 R35
Standard tire: 24.00 R35
Fuel tank | 800 L |
Engine oil | 80 L |
Torque converter, transmission and retarder cooling |
215 L |
Differentials | 95 L |
Final drives (total) | 42 L |
Hydraulic system | 149 L |
Suspension (total) | 66.2 L |
Fuel tank | 211.3 US gal |
Engine oil | 21.1 US gal |
Torque converter, transmission and retarder cooling |
56.8 US gal |
Differentials | 25.1 US gal |
Final drives (total) | 11.1 US gal |
Hydraulic system | 39.4 US gal |
Suspension (total) | 17.5 US gal |
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