WD600-6

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Engine   
Model    Komatsu SAA6D170E-5* 
Type    Water-cooled, 4-cycle 
Aspiration    Turbocharged, aftercooled, cooled EGR 
Number of cylinders   
Bore x stroke  6.69" x 6.69"  170 mm x 170 mm 
Piston displacement  1,413 in³  23.15 ltr 
Governor    all-speed, electronic 
Horsepower:     
SAE J1995 - Gross  530 HP  396 kW 
ISO 9249/SAE J1349 - Net  527 HP  393 kW 
Hydraulic fan at maximum speed - Net  502 HP  374 kW 
Rated rpm    1800 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 
*EPA Tier 3 and EU stage 3A emissions certified.     
Transmission   
Torque converter:     
Type    3-element, single-stage, double-phase 
Transmission:     
Type    Full-powershift, planetary type 
Travel speed    Measured with 35/65-33 tires 
Speed:  Forward
(Lock-up clutch ON) 
Reverse 
1st  4.2 mph
6.7 km/h 
4.5 mph
7.3 km/h 
2nd  7.3 mph
11.7 km/h

(7.7 mph
12.4 km/h) 
8.0mph
12.8 km/h 
3rd  12.6 mph
20.3 km/h

(13.5 mph
21.7 km/h) 
13.7 mph
22.0 km/h 
4th  20.5 mph
33.0 km/h

(23.4 mph
37.7 km/h) 
22.4 mph
36.0 km/h 
Axles and Final Drives   
Drive system    Four-wheel drive 
Front    Fixed, semi-floating 
Rear    Center-pin support, semi-floating, 26° 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    43° each direction 
Minimum turning radius at the center of outside tire  23'3"  7075 mm 
Hydraulic System   
Steering system:     
Hydraulic pump    Piston type 
Capacity at rated rpm  43.1 U.S. gal/min  163 ltr/min 
Relief valve setting  4,980 psi  34.3 MPa
350 kgf/cm² 
Hydraulic cylinders:     
Type    Double-acting, piston 
Number of cylinders   
Bore x stroke  5.1" x 20"  130 mm x 510 mm 
Loader control:     
Hydraulic pump    Piston type 
Capacity at rated rpm  47.6 + 47.6 U.S. gal/min  180 + 180 ltr/min 
Relief valve setting  3,560 psi  24.5 MPa 250 kgf/cm² 
Hydraulic cylinders:     
Type    Double-acting, piston 
Number of cylinders:  Bore x Stroke:  Bore x Stroke: 
Blade lift - 1  6.3" x 42.5"  160 mm x 1080 mm 
Tilt and pitch - 2  7.0" x 9.3"  180 mm x 237 mm 
Control valve    3-spool type 
Control positions:     
Blade lift    Raise, hold, lower, and float 
Tilt and pitch    Tilt-left, tilt-right, hold, pitch forward and back 
Hydraulic cycle time     
Raise    2.0 sec 
Lower    1.3 sec 
Tilt (left / right)    0.8 / 1.1 sec 
Pitch (front / rear)mage    2.1 / 1.6 sec 
Service Refill Capacities   
Cooling system  38.8 U.S. gal  147 ltr 
Fuel tank  189.7 U.S. gal  718 ltr 
Engine  22.7 U.S. gal  86 ltr 
Hydraulic system  117.0 U.S. gal  443 ltr 
Axle:     
Front  41.0 U.S. gal  155 ltr 
Rear  41.0 U.S. gal  155 ltr 
Torque converter and transmission  21.9 U.S. gal  83 ltr 

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