Grade distance: Continuous Descent Grade distance: 450 m (1480 ft)
To determine travel performance: Read from
gross weight down to the percent of total
resistance. From this weight-resistance point,
read horizontally to the curve with the
highest obtainable speed range, then down
to maximum speed. Usable rimpull depends
upon traction available and weight on drive
wheels.
To determine brake performance: These
curves are provided to establish the
maximum speed and gearshift position
for safer descents on roads with a given
distance. Read from gross weight down
to the percent of total resistance. From
this weight resistance point, read
horizontally to the curve with the highest
obtainable speed range, then down to
maximum descent speed the brakes can
safely handle without exceeding cooling
capacity.
BRAKE PERFORMANCE
S
PECIFICATIONS
S
PECIFICATIONS
10
AXLES
Rear Axle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Full-floating
Final drive type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Planetary gear
Ratios:
Differential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.538
Planetary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.737
TRANSMISSION
Torque converter . . . . . . . . . . . . . . . . . 3-elements, 1-stage, 2-phase
Tr ansmission. . . . . . . . . . . . . . . . . . . . Full-automatic, planetary type
Speed range . . . . . . . . . . . . . . . . . . 7 speeds forward and 1 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
WEIGHT (APPROXIMATE)
Empty weight . . . . . . . . . . . . . . . . . . . . . . . . . . 42800 kg 94,360 lb
Max. gross vehicle weight:
Standard tire . . . . . . . . . . . . . . . . . . . . . . . . 98800 kg 217,820 lb
Optional tire . . . . . . . . . . . . . . . . . . . . . . . . 102600 kg 226,190 lb
Not to exceed max. gross vehicle weight, including options, fuel
and payload.
Weight distribution:
Empty: Front axle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47%
Rear axles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53%
Loaded: Front axle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32%
Rear axles. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68%
ENGINE
Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Komatsu SAA6D170E-3
Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Water-cooled, 4-cycle
Aspiration . . . . . . . . . . . . . . Turbo-charged and air-to-air after-cooled
Number of cylinders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Bore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170 mm 6.69"
Stroke. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170 mm 6.69"
Piston displacement . . . . . . . . . . . . . . . . . . . . . . . 23.15 ltr 1,413 in
3
Performance:
Gross horsepower . . . . . . . . . . . . . . . . . . . . . . . . 551 kW 739 HP
Flywheel horsepower . . . . . . . . . . . . . . . . . . . . . . 533 kW 715 HP
Rated rpm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2000 rpm
Maximum torque . . . . . . . . . . . . . . . . . . . . . . . 332 kg•m 2,401 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 (cyclonpack type), plus dust indicator
SUSPENSION SYSTEM
Independent, hydropneumatic 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°
MAIN FRAME
Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Box-sectioned structure
STEERING SYSTEM
Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fully hydraulic power steering
with two double-acting cylinders
Supplementary steering . . . . . . . . . . . . . . . . . . . . . Manually controlled
(meets ISO 5010 and SAE J1511)
Minimum turning radius . . . . . . . . . . . . . . . . . . . . . . . . . . 8.5 m 27'11"
Maximum steering angle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39°
BRAKES
Brakes meet ISO 3450 standard.
Service brakes:
Front . . . . . . . . . . . . . . . . . Full-hydraulic control, caliper disc type
Rear . . . . . . . . . Full-hydraulic control, oil-cooled multiple-disc type
Parking brake. . . . . . . . . . . . . . . . . . Spring applied, 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1936 cm2300 in
2
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64230 cm29,956 in
2
BODY
Capacity:
Struck . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25.0 m332.7 yd
3
Heaped (2:1, SAE) . . . . . . . . . . . . . . . . . . . . . . 34.2 m3 44.7 yd
3
Payload . . . . . . . . . . . . . . . . . . . . . . . . . 55 metric tons 61 U.S. tons
Material . . . . . . . . . . . . . . . . . . . . . . . . . . . 130 kg/mm2 184,900 psi
high tensile strength steel
Structure . . . . . . . . . . . . . . . . . . . . . . . . V-shape body with V-bottom
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"
Dumping angle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48°
Height at full dump . . . . . . . . . . . . . . . . . . . . . . . . . 8800 mm 28'10"
Heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Exhaust heating
HYDRAULIC SYSTEM
Hoist cylinder . . . . . . . . . . . . . . . . . . . . Twin, 2-stage telescopic type
Relief pressure . . . . . . . . . . . . . . . . 20.6 MPa 210 kg/cm2 2,990 psi
Hoist time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11.5 sec
CAB
Dimensions comply with ISO 3471 ROPS (Roll-Over Protective
Structure) standard.
TIRES
Standard tire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24.00-35-36PR
SERVICE REFILL CAPACITIES
Fuel tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . 780 ltr. 206.1 U.S. Gal
Engine oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 ltr. 15.1 U.S. Gal
Torque converter, transmission and
retarder cooling . . . . . . . . . . . . . . . . . . . . . . 190 ltr. 50.2 U.S. Gal
Differential. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95 ltr.25.1 U.S. Gal
Final drives (total). . . . . . . . . . . . . . . . . . . . . . . . 42 ltr. 11.1 U.S. Gal
Hydraulic system . . . . . . . . . . . . . . . . . . . . . . . 122 ltr. 32.2 U.S. Gal
Suspension (total) . . . . . . . . . . . . . . . . . . . . . . 55.6 ltr. 14.7 U.S. Gal
20.