WA1200-6

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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   
The cab is mounted on viscous damping mounts and is well insulated. 
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 

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