Productivity Features • High performance Komatsu SAA6D140E-5 engine Net horsepower 371 kW 498 HP • Mode selection system (Variable Horsepower at Economy Mode) • Automatic Idling Setting System (AISS) • 7-speed, fully automatic K-ATOMiCS transmission • Fully hydraulic controlled wet multiple-disc brakes and retarder; Retarder absorbing capacity (Continuous descent) 662 kW 887 HP • Long wheelbase and wide tread • Large high strength body Heaped capacity 24 m³ / 31.4 yd³ • Small turning radius 7.2 m / 23'7" • Automatic retard speed control (ARSC)(Option) • Automatic spin regulator (ASR) (Option) Environment Friendly • Komatsu SAA6D140E-5 engine is North American EPA Tier 3 and EU Stage 3A emission certified • Low operation noise • Lead-free radiator • Brake cooling oil recovery tank Easy Maintenance• Advanced monitoring system • Wet multiple-disk brakes and fully hydraulic braking system • Extended oil change interval • Centralized arrangement of filters • Centralized greasing points • Flanged type rim • Electric circuit breakers • Centralized greasing points KOMTRAX^® equipped machines can send location, SMR and operation maps to a secure website utilizing wireless technology. Machines also relay error codes, cautions, maintenance items, fuel levels, and much more. Operator Environment • Wide, spacious cab with excellent visibility • Ergonomically designed cab • Easy-to-see instrument panel • Ideal driving position settings • K-ATOMiCS with “Skip-Shift” function • Hydropneumatic suspension • Built-in ROPS/FOPS Level 2 • Viscous cab mounts • Electric body dump control lever • Supplementary steering and secondary brakes • AM/FM radio with cassette Reliability Features • Komatsu components • Highly rigid frames • Rigorous dump body design • Reliable hydraulic system • Sealed DT Connectors

Engine

Model		KOMATSU SAA6D140E-5
Type		Water-cooled, 4-cycle
Aspiration		Turbo-charged, air-to-air after-cooled, cooled EGR
Number of cylinders		6
Bore x stroke	5.5" x 6.5"	140 mm x 165 mm
Piston displacement	930 in³	15.24 ltr
Horsepower
SAE J1995	518 HP	386 kW
ISO 9249 /SAE J1349	498 HP	371 kW
Rated rpm		2,000 rpm
Fan drive type.		Mechanical
Maximum torque	1,600 lb•ft	221 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, 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, single-disk 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	70 km/h

Axles

Rear axle		Full-floating
Final drive		Planetary gear
Ratios:
Differential		3.125
Planetary		4.737

Suspension System

Effective cylinder stroke (front suspension)	9.8"	250 mm
Rear axle oscillation:
Oil stopper		6.8°
Mechanical stopper		8.1°

Steering System

Type		Fully hydraulic power steering with two double-acting cylinder
Supplementary steering		Manual control (meets ISO 5010, SAE J1511 and SAE J53)
Auxiliary steering		SAE automatic
Minimum turning radius	23'7''	7.2 m
Maximum steering angle		43°

Cab

Type

Box-sectioned structure

Main Frame

Type

Box-sectioned structure

Brakes

Service brakes:
Front		Full-hydraulic control, caliper disc type
Rear		full-hydraulic, 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	150 in 2	968 cm2
Rear	7,881 in 2	50847 cm2

Body

Capacity:
Struck	23.5 yd3	18 m3
Heaped (2:1 ,SAE)	31.4 yd3	24 m3
Payload, maximum	40 U.S. tons	36.5 metric tons
rated	35 U.S. tons	32 metric tons
Material : (high-tensile-strength steel)	184,860 psi	130 kg/mm2
Structure		V-shape body
Material thickness:
Bottom	0.75"	19 mm
Front	0.47"	12 mm
Sides	0.35"	9 mm
Target area (inside length x width)	18'1" x 11'1"	5500 mm x 3380 mm
Dumping angle		48°
Height at full dump	26'0"	7925 mm
Heating		Exhaust heating

Hydraulic System

Hoist cylinder		Twin, 2-stage telescopic type
Relief pressure	2,990 psi	210 kg/cm2
Hoist time		10 sec

Weight (approximate)

Empty weight	69,700 lb	31600 kg
Gross vehicle weight with 32 metric ton (35 U.S.ton) payload	140,390 lb	63680 kg
Max. gross vehicle weight:
Standard tire	152,740 lb	69280 kg
Not to exceed max. gross vehicle weight, including options, fuel
Weight distribution:
Empty: Front axle		51.7%
Rear axle		48.3%
Loaded: Front axle		33%
Rear axle		67%

Tires

Standard Tires

18.00-33-32PR

Service Refill Capacities

Fuel tank	127.9 U.S. Gal	484 ltr.
Engine oil	13.2 U.S. Gal	50ltr
Torque converter, transmission and retarder cooling	23.8 U.S. Gal	90 ltr
Differential	11.9 U.S. Gal	45 ltr
Final drive (left and right)	7.9 U.S.	30 ltr
Hydraulic system	34.1 U.S. gal	129 ltr
Suspension (total)	11.7 U.S. gal	44.2 ltr