PRODUCTIVITY AND ECONOMY • Fuel Efficient Machine Achieved by Total Power Management and Advanced Hydraulic System - Hydraulic power loss reduced with advanced hydraulic system - On-demand fan speed and engine output control system - Equipped with electronically controlled variable speed fans • Powerful and Economical Engine Komatsu SAA12V140E-3 Engine with an Output of 713 kW (956 HP) Controlled by Efficient Power Management System - Auto deceleration and auto idling system - Two work modes; Power and Economy ECOLOGY • EPA Tier 2 Emission Certified Komatsu Engine • New Technology Produces Remarkably Low Environmental Noise Dynamic noise of 64.5 dB(A) - Power module packaging and noise absorbing blades trap noise inside - Contoured hybrid fan minimizes air turbulence noise OPERATOR COMFORT • Newly Designed Mining Shovel Cab Provides Comfortable Operation - Excellent operational visibility with extended front wind shield and large twin wipers - Extremely low noise and vibration Dynamic in-cab noise reduced to the same level as passenger cars - Rugged OPG top guard integrated into the cab - Easy-to-see and easy-to-use 7-inch TFT-LCD large monitor - Comfortable air-suspension seat - Automatic air conditioner - Highly pressurized cab • Bulkhead between Pump Room and Engine • Engine Stop Devices • Interconnected Horn and Flashing Light EASY REPAIR AND MAINTENANCE Low R&M Cost Sustained by Simplified and Reliable System with Long Service Life • Simplified and Durable Structure - Single engine and PTO drive two Komatsu HPV375+375 pumps - Simplified travel unit with single motor (each side) - Reinforced track components - Long life oil and filters - Extended life of rubber components achieved by lowering hydraulic oil temperature • Power Module Makes Installation and Removal of Components Easier, and Reduces Overhaul Hours and Cost • Service Friendly Design - Maintenance deck surrounding the power module - Drain ports accessible from ground level - Concentration of filters - Large fuel tank enables 24 hours continuous machine operation - Auto-greasing system, including bucket pins, with 200 liter 52.8 U.S. gal grease tank • VHMS Monitors the Machine Condition and Minimizes Machine Down Time

Engine

Model		Komatsu SAA12V140E-3
Type		4-cycle, water-cooled, direct injection
Aspiration		Turbocharged, aftercooled
Number of cylinders		12
Bore	5.51"	140 mm
Stroke	6.50"	165 mm
Piston displacement	1860 in³	30.48 ltr
Governor		All-speed, electronic
Horsepower:
SAE J1995 / Gross	976 HP	728 kW
ISO 9249 / SAE J1349 / Net	956 HP	713 kW
Hydraulic fan at maximum speed	910 HP	679 kW
Rated rpm		1800 rpm
Fan drive type		Hydraulic

Hydraulic System

Type		Open-center load sensing system
Number of selectable working modes		2
Main pump:
Type		Variable displacement piston pumps
Pumps for		Boom, arm, bucket, swing and travel circuits
Maximum flow:
For attachment, swing and travel	612.2 U.S. gpm	2317 ltr/min
For fan drive	85.6 U.S. gpm	324 ltr/min
Hydraulic motors:
Travel		2 x axial piston motors with parking brake
Swing		2 x axial piston motors with swing holding brake
Fan		2 x axial piston motors
Relief valve setting:
Attachment circuits
Backhoe	4,270 psi	29.4 MPa 300 kgf/cm²
Loading shovel	4,270 psi	29.4 MPa 300 kgf/cm²
Travel circuit	4,760 psi	32.9 MPa 335 kgf/cm²
Swing circuit	4,270 psi	29.4 MPa 300 kgf/cm²
Pilot circuit	430 psi	2.9 MPa 30 kg/cm²
Hydraulic cylinders:
Number of cylinders	Bore x Stroke	Bore x Stroke
Backhoe
Boom / 2	11.8" x 104.2"	300 mm x 2647 mm
Arm / 2	9.8" x 84.2"	250 mm x 2138 mm
Bucket / 2	7.9" x 85.4"	200 mm x 2170 mm
Loading shovel
Boom / 2	11.0" x 76.0"	280 mm x 1930 mm
Arm / 2	7.9" x 85.4"	200 mm x 2170 mm
Bucket / 2	8.9" x 80.7"	225 mm x 2050 mm
Bottom dump / 2	7.1" x 23.6"	180 mm x 600 mm

Swing System

Swing gear		2 x Planetary gear
Swing circle lubrication		Grease
Swing holding brakes		Mechanical disc brakes
Swing speed		4.8 rpm

Drive System

Travel gear		Planetary gear
Gradeability		65%
Maximum travel speed	1.7 mph	2.7 km/h
Parking brakes		Mechanical disc brakes

Undercarriage

Track adjuster		Grease
No. of shoes		49 each side
No. of carrier rollers		3 each side
No. of track rollers		8 each side

Coolant and Lubricant Capacity (refilling)

Fuel tank	898.3 U.S. gal	3400 ltr
Radiator	47.6 U.S. gal	180 ltr
Engine	31.7 U.S. gal	120 ltr
Travel gear, each side	22.5 U.S. gal	85 ltr
Swing drives	7.9 x 2 U.S. gal	30 x 2 ltr
Hydraulic tank	343.5 U.S. gal	1300 ltr
PTO	7.9 U.S. gal	30 ltr