WA600-6 Steel Mill

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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  1413 in³  23.15 ltr 
Governor    all-speed, electronic 
Horsepower:     
SAEJ1995 - Gross  530 HP  396 kW 
ISO 9249 / SAEJ1349 - Net  527 HP  393 kW 
Hydraulic fan at maximum speed  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:  Forward  Reverse 
1st  4.2 mph
6.7 km/h 
4.5 mph
7.3 km/h 
2nd  7.3 mph
11.7 km/h 
8.0 mph
12.8 km/h 
3rd  12.6 mph
20.3 km/h 
13.7 mph
22.0 km/h 
4th  21.0 mph
33.8 km/h 
23.0 mph
37.0 km/h 
Axles and Final Drives   
Drive system    Four-wheel drive. 
Front    Fixed, full-floating. 
Rear    Center-pin support, full-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 pump 
Capacity at rated rpm  43.1 U.S. gal/min  163 ltr/min 
Relief valve setting  4,980 psi  350 kgf/cm² 
Hydraulic cylinders:     
Type    Double-acting, piston type 
Number of cylinders   
Bore x stroke  4.5" x 20"  115 mm x 510 mm 
Loader control:     
Hydraulic pump    Piston pump 
Capacity at rated rpm  63.1 + 63.1 U.S. gal/min  239 + 239 ltr/min 
Relief valve setting  4,980 psi  350 kgf/cm² 
Hydraulic cylinders:     
Type    Double-acting, piston type 
Number of cylinders:  Bore x Stroke  Bore x Stroke 
Boom cylinder / 2  7.9" x 42"  200 mm x 1067 mm 
Bucket cylinder / 1  8.9" x 30.6"  225 mm x 776 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    9.3 sec 
Dump    2.3 sec 
Lower (Empty)    4.1 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 (each front and rear)  41.0 U.S. gal  155 ltr 
Torque converter and transmission  21.9 U.S. gal  83 ltr 

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