High Productivity & Low Fuel Consumption • High performance SDA16V160E-2 engine • Low fuel consumption • The largest bucket in its class • Extra dumping clearance and reach • Traction control • Hi-cab • Remote boom positioner • Selectable traction power Excellent Operator Environment • Automatic transmission with Electronically Controlled Modulation Valve (ECMV) • Advanced Joystick Steering System (AJSS) • Engine RPM set system with auto decel. • Variable transmission cut-off system • Roomy, quiet cab with power windows • Low vibration & noise • Pillar-less large cab with ROPS/FOPS Level 2 canopy • Comfortable operator’s seat • Trainer seat Harmony with Environment • Meets EPA Tier 2 emission regulations • Low fuel consumption High Reliability & Durability • Reliable Komatsu designed and manufactured components • High-rigidity frames • Low maintenance brake system • Hydraulic hoses use flat face o-ring seals • Primer paint is applied with cation electrodeposition process • Powder coating is the topcoat of exterior sheet metal • Sealed DT connectors for electrical connections Easy Maintenance • Tire saver^® • Long oil replacement interval • Oil sealed loader linkage pins • Centralized filter layout • Quick fluid change-out system • Auto-greasing system • Equipment Management Monitoring System (EMMS) • KOMTRAX Plus • Maintenance accessibility • Rear access stairs • Ground level service center

Engine

Model		Komatsu SDA16V160E-2
Type		Water-cooled, 4-cycle
Aspiration		Turbocharged and aftercooled
Number of cylinders		16
Bore x stroke	6.26'' x 7.48''	159 mm x 190 mm
Piston displacement	3,661 in³	60 ltr
Governor		Electronic fuel control
Flywheel horsepower:
SAE J1995 - Gross	1892 HP	1411 kW
ISO 9249/SAE J1349 - Net	1765 HP	1316 kW 1765 hP
Rated rpm		1800 rpm
Fan drive method for radiator cooling		Mechanical
Fuel system		Modular common rail system direct injection
Lubrication system
Method		Screw pump, forced lubrication
Filter		Full-flow
Air cleaner		Dry-type with double elements and automatic dust evacuation with dust indicator on monitor

Transmission

Torque converter - Type		3-element, single-stage, single-phase
Transmission - Type		Full power shift, planetary gear with modulated clutch
Travel Speed (Measured with 60/80 R57 tires):
1st Forward	3.8 mph	6.1 km/h
1st Reverse	3.9 mph	6.3 km/h
2nd Forward	6.9 mph	11.1 km/h
2nd Reverse	7.1 mph	11.4 km/h
3rd Forward	11.6 mph	18.7 km/h
3rd Reverse	12.0 mph	19.3 km/h

Axles and Final Drives

Drive system		Four-wheel drive
Front		Fixed, full floating
Rear		Center-pin support, full-floating, 16˚ total oscillation
Reduction gear		Spiral bevel gear
Differential gear		Straight bevel gear
Final reduction gear		Planetary gear, double reduction, oil bath

Brakes

Service brakes		Hydraulically actuated, wet, multi-disc brakes actuated on four wheels.
Parking brake		Wet, multi-disc, hydraulically-released, spring applied in the transmission.
Secondary brake		Parking brake is commonly used

Steering System

Type		Articulated, fully-hydraulic power steering
Steering angle		40° each direction
Turning radius outside corner of bucket and teeth	47'0"	14330 mm

Bucket Controls

Control positions:
Boom		Raise, hold, lower, and float
Bucket		Tilt-back, hold, and dump

Hydraulic System

Rated capacity (discharge flow) @1800 engine rpm
Loader pump	269 gal/min	1018 ltr/min
Steering pump	167 gal/min	633 ltr/min
Switch pump	167 gal/min	633 ltr/min
Relief valve setting	4,550 psi	31.4 MPa 320 kg/cm²
Control valves		A double spool closed-center hydraulic valve and a steering valve combined with a demand valve to provide optimum flow.
Hydraulic cylinders/Number of cylinders	Bore x stroke:	Bore x stroke:
Boom/2	14.2'' x 72.2''	360 mm x 1835 mm
Bucket/2	11.8'' x 38.8"	300 mm x 985 mm
Steering/2	8.9'' x 26.0''	225 mm x 660 mm
Control positions:
Boom		Raise, hold, lower, and float
Bucket		Tilt-back, hold, and dump
Hydraulic cycle time (rated load in bucket):
Raise		14.8 sec
Dump		3.2 sec
Lower (empty)		5.3 sec

ROPS/FOPS & Level 2 Cab

Cooling system	132 U.S. gal	500 ltr
Fuel tank	1,347 U.S. gal	5100 ltr
Engine	74 U.S. gal	280 ltr
Hydraulic system	343 U.S. gal	1300 ltr
Differential, final drive (each axle)	177 U.S. gal	670 ltr
Torque converter and transmission	92 U.S. gal	350 ltr
Brake oil	20 U.S. gal	75 ltr
Brake cooling	77 U.S. gal	290 ltr

Service Refill Capacities

Cooling system	132 U.S. gal	500 ltr
Fuel tank	1,347 U.S. gal	5100 ltr
Engine	74 U.S. gal	280 ltr
Hydraulic system	343 U.S. gal	1300 ltr
Differential, final drive (each axle)	177 U.S. gal	670 ltr
Torque converter and transmission	92 U.S. gal	350 ltr
Brake oil	20 U.S. gal	75 ltr
Brake cooling	77 U.S. gal	290 ltr

Tires

Select proper tires based on job requirements.
Standard rim size		47.00-57/5.0
Standard tire size		60/80 R57