Productivity Features ● High performance Komatsu SSDA18V170 engine Gross horsepower 2610 kW / 3,500 HP ● Komatsu IGBT AC electric drive system ● 4620 kW / 6,196 HP continuous retarding capability ● Propulsion/retard speed control ● Traction (spin-slide) control ● Customer specific body ● Hydropneumatic suspension designed for optimum performance and ride ● Tight turning radius 16 m / 52' 6" ● Payload Meter III^® ● Advanced Hill Start Environmentally Friendly ● Optional Tier 4 compliant Komatsu SSDA18V170 engine ● Fuel efficient engine ● 57% less fluids compared to similar class mechanical drive trucks ● Low noise retarding ● Electrically driven main blower Reliability Features ● Frame structurally enhanced for 327 tonne / 360 short ton payload ● Proven and reliable hydraulic system ● Steering and brake accumulators ● Hydraulically actuated multiple-disc wet brakes Operator Environment ● Ergonomically designed spacious cab with improved visibility ● Fully adjustable driving position settings ● Four post ROPS/FOPS Level 2 Cab ● Advanced dash panel with payload display ● AM/FM/CD/MP3/USB radio Easy Maintenance ● KOMTRAX Plus allows immediate diagnostics of key engine, chassis, and drive system components ● Oil-cooled wet disc braking system reduces wear and extends component replacement intervals ● Extended oil change intervals based on the Centinel^® and Reserve systems ● Automatic lubrication system ● Eliminator^® oil filtration system ● In-tank fast fuel fill system

Engine

Make and model*		Komatsu SSDA18V170
Fuel		Diesel
Number of cylinders		18
Operating cycle		4 cycle
Gross horsepower** @ 1900 rpm	3,500 HP	2610 kW
Net flywheel power*** @ 1900 rpm	3,346 HP	2495 kW
Weight (wet)	25,897 lb	11750 kg
Weight (dry)	24,795 lb	11250 kg
* Optional Tier 4 emission compliant engine for North American market. Non-emissionized engine for markets outside of North America.
** Gross horsepower is the output of the engine as installed in this machine, at governed rpm and with engine manufacturer’s approved fuel setting. Accessory losses included are water pump, fuel pump and oil pump.
***Net flywheel power is the rated power at the engine flywheel minus the average accessory losses. Accessories include fan and charging alternator. Rating(s) represent net engine performance in accordance with SAE J1349 conditions.

Electric Drive

AC/DC CURRENT
Drive System*.		Komatsu AC Drive
Alternator		Siemens
Dual Fan Main Blower:
Alternator Flow	9,380 cfm	266 m³/min
Wheel Motor Flow	14,800 cfm	419 m³/min
Control		IGBT AC Torque Control System
Ratio		38.12
Speed (maximum)	40 mph	64.5 km/h
* Drive system performance depends upon gross vehicle weight, haul road grade, haul road length, rolling resistance and other parameters. Komatsu must analyze each job condition to assure acceptable application.

Tires and Rims

Rock service, tubeless, radial tires
Standard tire*		56/80 R63
Flange mount rim:
Rim assembly	41'' x 63'' x 5.5''	1041 mm x 1600 mm x 140 mm
Rims rated at 758 kPa / 110 psi cold inflation pressure.
Typical tire weight	65,154 lb	29553 kg
* Tires should meet application requirements for tkph/tmph, tread, compound, inflation pressure, ply rating or equivalent, etc.

Body

Floor sheet 200,000 psi / 1379 mPa tensile strength steel / Outer	0.63''	16 mm
Floor sheet 200,000 psi / 1379 mPa tensile strength steel / Center	0.75''	19 mm
Front sheet 200,000 psi / 1379 mPa tensile strength steel / Outer	0.39'	10 mm
Front sheet 200,000 psi / 1379 mPa tensile strength steel / Center	0.47''	12 mm
Side sheet 200,000 psi / 1379 mPa tensile strength steel	0.39'	10 mm
Canopy sheet 100,000 psi / 690 mPa tensile strength steel	0.24''	6 mm
Capacity struck	195 yd³	149 m³
SAE heaped 2:1	280 yd³	214 m³
Standard Komatsu body weight	90,000 lb	40823 kg

Cab

Plate material tensile strength steel	70,000 psi	482.6 mPa
Casting material tensile strength steel	90,000 psi	620.5 mPa
Rail width	12''	305 mm
Rail depth (minimum)	34''	864 mm
Top and bottom plate thickness	1.77''	45 mm
Side plate thickness / Rear	0.98''	25 mm
Side plate thickness / Front	1.26''	32 mm
Drive axle mounting		Pin and spherical bushing
Drive axle alignment		Swing link between frame and axle

Frame

Plate material tensile strength steel	70,000 psi	482.6 mPa
Casting material tensile strength steel	90,000 psi	620.5 mPa
Rail width	12''	305 mm
Rail depth (minimum)	34''	864 mm
Top and bottom plate thickness	1.77''	45 mm
Side plate thickness / Rear	0.98''	25 mm
Side plate thickness / Front	1.26''	32 mm
Drive axle mounting		Pin and spherical bushing
Drive axle alignment		Swing link between frame and axle

Braking System

Traction system		Wheel Spin-Slide Control
Max. service apply pressure	2750 psi	18960 kPa
Total friction area per brake	16,078 in²	103729 cm²
Secondary brakes		Automatically applied prior to hydraulic system pressure dropping below level required to meet secondary stopping requirements.
Wheel brake locks		Switch activated
Parking brakes		Multiple disc, spring-applied, hydraulically-released, dry brakes on inboard end of each wheel motor rotor shaft. Rated to hold on +-15% grade at maximum gross vehicle weight
Electric dynamic retarder	6,196 HP	4620 kW
Continuously rated high-density blown grids w/retard capacity at low speeds and retard in reverse.

Suspension

Max. front stroke	12.92''	328 mm
Max. rear stroke	9.40''	239 mm
Max. rear axle oscillation		±6.5º

Cooling System

Radiator frontal area

75.5 ft²

7.02 m²

Service Capacities

Cooling System	190 U.S. gal	719 L
Crankcase	90 U.S. gal	341 L
Hydraulic system	350 U.S. gal	1325 L
Motor gear box (each)	37 U.S. gal	140 L
Fuel tank	1400 U.S. gal	5300 L

Hydraulic System

Steering		Accumulator assisted with twin double acting cylinders provide constant rate steering. Secondary steering automatically supplied by accumulator.
Turning circle diameter (SAE)	105'	32 m
Reservoir	250 U.S. gal	947 L
Filtration		In-line replaceable elements
Suction		Single, full flow, 100 mesh
Hoist and steering		Dual, in-line, high pressure
Brake component cabinet		Above deck, easily accessible with diagnostic test connections
Hoist		Two 3-stage dual-acting outboard cylinders, internal cushion valve, over-center dampening
Hoist times:
Power-up loaded		24 sec
Power-down		14 sec
Float-down empty		24 sec
Pumps		Two pumps, single package, in-line
Hoist and brake cooling		Tandem gear pump with output of 931 lpm / 246 gpm at 1900 rpm and 18960 kPa / 2750 psi
Steering and brake		Pressure-compensating piston pump with output of 246 lpm / 65 gpm at 1900 rpm and 20685 kPa / 3,000 psi
System relief pressures:
Hoist and brake cooling	2,500 psi	17237 kPa
Steering and brake	3,000 psi	20685 kPa
Ports available for powering disabled truck and for system diagnostics.

Electrical System

Alternator		24 volt, 250 amp
Lighting		24 volt
Cranking motors		Two/24 volt

Weight Distribution

Empty vehicle weight:
Front Axle Distribution / 49.5%	272,250 lbs	123490 kg
Rear Axle Distribution / 50.5%	277,750 lbs	125985 kg
Total EVW	550,000 lbs	249475 kg
Gross vehicle weight:
Front Axle Distribution / 33%	419,100 lbs	190104 kg
Rear Axle Distribution / 67%	850,900 lbs	385968 kg
Nominal GVW	1,270,000 lbs	576072 kg
Nominal Payload	720,000 lbs (360 short tons)	326585 kg (327 metric tons )
Nominal payload is defined by Komatsu America Corp’s payload policy documentation. In general, the nominal payload must be adjusted for the specific vehicle configuration and site application.
The figures above are provided for basic product description purposes.
Please contact your Komatsu distributor for specific application requirements.