WA380-7 Waste Handler

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Engine   
Model    Komatsu SAA6D107E-2* 
Type    Water-cooled, 4-cycle 
Aspiration    Turbo-charged, after-cooled 
Number of cylinders   
Bore  4.21"  107 mm 
Stroke  4.88"  124 mm 
Piston displacement  408 in³  6.69 ltr 
Governor    All-speed, electronic 
Horsepower:     
SAE J1995 - Gross  192 HP  143 kW 
ISO 9249 / SAE J1349 - Net  191 HP  142 kW 
Rated rpm    2100 rpm 
Fan drive method for radiator cooling    Hydraulic 
Fuel system    Direct injection 
Lubrication system:     
Method    Gear pump, force-lubrication9 
Filter    Full-flow typep 
Air cleaner    Dry type with double elements and dust evacuator, plus dust indicator 
*EPA Tier 4 Interim and EU stage 3B emissions certified     
 
Transmission   
Measured with 23.5-25 tires 
Torque converter    3-elements, 1-stage, 2-phase 
Transmission    Automatic, full-poweshift, counter-shaft type 
Travel speed  Forward (P-mode)  Reverse (P-mode) 
1st  6.6 km/h
4.1 mph 
7.1 km/h
4.4 mph 
2nd  11.7 km/h
7.3 mph 
12.4 km/h
7.7 mph 
2nd (Lock-up clutch ON)  12.4 km/h
7.7 mph 
13.3 km/h
8.3 mph 
3rd  20.9 km/h
13.0 mph 
22.3 km/h
13.9 mph 
3rd (Lock-up clutch ON)  22.5 km/h
14.0 mph 
24.1 km/h
15.0 mph 
4th  36.1 km/h
22.4 mph 
38.6 km/h
24.0 mph 
4th (Lock-up clutch ON)  40.0 km/h
24.9 mph 
40.0 km/h
24.9 mph 
 
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, fully-hydraulic power steering 
Steering angle    35° (40° to max end stop) 
Minimum turning radius at the center of outside tire    6320 mm
20' 9" 
 
Hydraulic System   
Steering system:     
Hydraulic pump    Piston type 
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  54.13 U.S gal/min  204.9 ltr/min 
Relief valve setting  4,550 psi  31.4 MPa
320 kgf/cm² 
Hydraulic cylinders:     
Type    Double-acting, piston type 
Number of cylinders  Bore x stroke:  Bore x stroke: 
Boom cylinder - 2  5.1" x 28.1"  130 mm x 713 mm 
Bucket cylinder - 1  5.9" x 21.1"  150 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    5.9 s 
Dump    1.8 s 
Lower (Empty)    3.3 s 
 
Service Refill Capacities   
Cooling system  14.4 U.S. gal  54.4 ltr 
Fuel tank  79.3 U.S. gal  300 ltr 
Engine  6.1 U.S. gal  23 ltr 
Hydraulic system  37.5 U.S. gal  142 ltr 
Axle (each front and rear)  10.6 U.S. gal  40 ltr 
Torque converter and transmission  14.3 U.S. gal  54 ltr 

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