Productivity Features • 7-speed, fully automatic K-ATOMiCS transmission • Automatic Idling Setting System (AISS) • Automatic Retard Speed Control (ARSC) • Fully hydraulic controlled wet multiple-disc brakes and retarder; Retarder absorbing capacity (Continuous descent) 785 kW 1,052 HP • High performance Komatsu SAA6D170E-5 engine, Net horsepower 533 kW 715 HP • Long wheelbase and wide tread • Large high strength body, Heaped capacity 40.0 m³ / 52.3 yd³ • Mode selection system (Variable horsepower at Economy mode) • Small turning radius 8.5 m 27'11" Reliability Features • Antilock Brake System (ABS) (Option) • Automatic Spin Regulator (ASR) (Standard) • Box section frames • Flat face-to-face O-ring seals • Komatsu designed components • Pedal-operated secondary brake • Rugged and durable dump body design • Reliable hydraulic system • Sealed DT electrical connectors Environment Friendly • Brake cooling oil recovery tank • Komatsu SAA6D170E-5 engine is North American EPA Tier 3 and EU Stage 3A emission certified for 2006 • Lead-free radiator • Low operation noise Operator Environment • Built-in ROPS/FOPS Level 2 • Easy-to-see instrument panel • Electric body dump control lever • Electric operated LH window • Ergonomically designed cab • Hydropneumatic suspension • K-ATOMiCS with “Skip-Shift” function • Supplementary steering and secondary brakes • Tiltable, telescoping steering wheel and low effort pedals • Viscous cab mounts • Wide, spacious cab with excellent visibility Easy Maintenance • Advanced monitoring system-onboard diagnostics • Centralized arrangement of filters • Centralized greasing points • Electric circuit breaker • Extended oil change interval • Flange type tire rims • Vehicle Health Monitoring System (VHMS) with Payload Meter and ORBCOMM (Standard) • Wet multiple-disc brakes and fully hydraulic braking system

Engine

Model		Komatsu SAA6D170E-5
Type		Water-cooled, 4-cycle
Aspiration		Turbo-charged, air-to-air after-cooled, cooled EGR
Number of cylinders		6
Bore x stroke	6.69" x 6.69"	170 mm x 170 mm
Piston displacement	1,413 in³	23.15 ltr
Horsepower:
SAE J1995 / Gross	739 HP	551 kW
ISO9249/SAE J1349 / Net	715 HP	533 kW
Rated rpm		2000 rpm
Maximum torque	2,452 lb. ft	339 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 (cyclonpack type), plus dust indicator
EPA Tier 3 and EU Stage 3A emission certified.

Transmission

Torque converter		3-elements, 1-stage, 2-phase
Transmission		Full-automatic, planetary type
Speed range		7 speeds forward and 1 reverse
Lockup clutch		Wet, multiple-disc clutch
Forward		Torque converter drive in first gear, direct drive in first 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	70.0 km/h

Axles

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

Suspension System

Effective cylinder stroke (front suspension)	11.9"	303 mm
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, SAE J1511 and SAE J53)
Minimum turning radius	27'11"	8.5 m
Maximum steering angle (outside tire)		39°

Cab

Type

Box-sectioned construction

Main Frame

Type

Box-sectioned construction

Brakes

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	300 in²	1936 cm²
Rear	9,956 in²	64230 cm²

Body

Capacity:
Struck	37.9 yd³	29.0 m³
Heaped (2:1, SAE)	52.3 yd³	40.0 m³
Payload	69.4 U.S. tons	63.0 metric tons
Material high tensile strength steel	227,500 psi	160 kg/mm²
Structure		V-shape body with V-bottom
Material thickness:
Bottom	0.98"	25 mm
Front	0.63"	16 mm
Sides	0.55"	14 mm
Target area (inside length x width)	21'8" x 12'8"	6600 mm x 3870 mm
Dumping angle		48°
Height at full dump	28'10"	8800 mm
Heating		Exhaust heating

Hydraulic System

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

Weight (approximate)

Empty weight (quarry body)	95,020 lb	46200 kg
Max. gross vehicle weight::
Standard tire	242,900 lb	110180 kg
Not to exceed max. gross vehicle weight, including options, fuel
Weight distribution:
Empty:
Front axle		47%
Rear axle		53%
Loaded:
Front axle		32%
Rear axle		68%

Tires

Standard

24.00 R35

Service Refill Capacities

Fuel tank	206.1 U.S. Gal	780 ltr
Engine oil	21.1 U.S. Gal	80 ltr
Torque converter, transmission and retarder cooling	56.8 U.S. Gal	215 ltr
Differentials	25.1 U.S. Gal	95 ltr
Final drives (total)	11.1 U.S. Gal	42 ltr
Hydraulic system	32.2 U.S. Gal	122 ltr
Suspension (total)	14.7 U.S. Gal	55.6 ltr