WA430-6

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Engine   
Model    Komatsu SAA6D114E-3 
Type    Water-cooled, 4-cycle 
Aspiration    Turbocharged, aftercooled 
Number of cylinders   
Bore x stroke  4.49" x 5.32"  114 mm x 135 mm 
Piston displacement  505 in³  8.27 ltr 
Governor    All-speed, electronic 
Horsepower     
SAE J1995 - Gross  232 HP  173 kW 
ISO 9249/SAE J1349 - Net  231 HP  172 kW 
Hydraulic fan at maximum speed - Net  218 HP  163 kW 
Rated rpm    2100 rpm 
Fan drive method for radiator cooling    Hydraulic 
Fuel system    Direct injection 
Lubrication system:     
Method    Gear pump, force-lubrication 
Filter    Full-flow type 
Air cleaner    Dry type with double elements and dust evacuator, plus dust indicator 
 
Transmission   
Torque converter - Type    3-element, single-stage, single-phase 
Transmission - Type    Automatic full-powershift, contershaft type 
Travel speed (Measured with 23.5-25 tires0:  Forward  Reverse 
1st  4.4 mph / 7.0 km/h  4.7 mph / 7.6 km/h 
2nd  7.6 mph / 12.3 km/h  8.0 mph / 12.9 km/h 
3rd  13.4 mph / 21.6 km/h  14.3 mph / 23.0 km/h 
4th  23.1 mph / 37.2 km/h  23.1 mph / 37.2 km/h 
 
Axles and Final Drives   
Drive system    Four-wheel drive 
Front    Fixed, semi-floating 
Rear    Center-pin support, semi-floating, 18° total oscillation 
Reduction gear    Spiral bevel gear 
Differential gear    Conventional type 
Final reduction gear    Planetary gear, single reduction 
 
Brakes   
Service brakes    Hydraulically actuated, wet disc brakes actuate on four wheels 
Parking brake    Wet disc brake 
Emergency brake    Parking brake is commonly used 
 
Steering System   
Type    Articulated type, full-hydraulic power steering 
Steering angle    40° each direction 
Minimum turning radius at the center of outside tire  20'9"  6335 mm 
 
Hydraulic System   
Steering system:     
Hydraulic pump    Piston pump 
Capacity at rated rpm:  36.2 U.S. gal/min  137 ltr/min 
Relief valve setting  3,555 psi  24.5 MPa 250 kgf/cm2 
Hydraulic cylinders:     
Type    Double-acting, piston type 
Number of cylinders   
Bore x stroke  3.0" x 17.4"  75 mm x 442 mm 
Loader control:     
Hydraulic pump    Piston pump 
Capacity at rated rpm:  54.2 U.S. gal/min  205 ltr/min 
Relief valve setting  4,550 psi  31.4 MPa 320 kgf/cm2 
Hydraulic cylinders:     
Type    Double-acting, piston type 
Hydraulic Cylinder / Number of cylinders  Bore  Stroke 
Boom cylinder / 2  5.1" x 30.6"  130 mm x 776 mm 
Bucket cylinder / 1  6.3" x 21.1"  160 mm x 535 mm 
Control valve    2-spool type 
Control positions:     
Boom    Raise, hold, lower, and float 
Bucket    Tilt-back, hold, and dump 
Hydraulic cycle time (rated load in bucket):     
Raise    6.1 sec 
Dump    2.0 sec 
Lower (Empty)    3.3 sec 
 
Service Refill Capacities   
Cooling system  8.4 U.S. gal  32 ltr 
Fuel tank  85.9 U.S. gal  325 ltr 
Engine  7.9 U.S. gal  30 ltr 
Hydraulic system  36.7 U.S. gal  139 ltr 
Axle - front  12.9 U.S. gal  49 ltr 
Axle - rear  16.4 U.S. gal  62 ltr 
Torque converter and transmission  14.3 U.S. gal  54 ltr 

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