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Komatsu WA480-8 LARGE WHEEL LOADERS

Komatsu WA480-8 LARGE WHEEL LOADERS

BucketCapacityMax:
6.5
BucketCapacityMin:
6
Horsepower:
299 @2000 rpm
OperatingWeightMax:
56416
OperatingWeightMin:
56262
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Product Feature

Advanced Joystick Steering System (AJSS)

Allows steering and directional travel to be controlled by wrist and finger control to minimize operator fatigue in high duty cycle applications. AJSS allows for full speed travel speed while maintaining precise steering and control.

Automatic Digging System

Boom and bucket automatically raise, removing the need for operators to move levers to fill the bucket.

New Bucket Design

The newly designed bucket improves overall machine productivity. Generous curves on the side wall and wrap improve pile penetration and make it easy to fill. They also improve material retention in carry operations.

Load Meter (with 2V)

The Load Meter displays what material weighs in the bucket. Only available in two-valve/two-lever machines.

Optional Printer for Load Meter

The printer generates a ticket (or receipt) telling the operator the weight of the material deposited into the loading truck.

New Operator Seat with Electronic Pilot Control (EPC) Levers

A new air suspension seat provides enhanced support on rough roads and dampens machine vibrations, providing a more comfortable ride for the operator. An EPC lever console is integrated in the seat and moves with the seat. The angle of the armrest is fully adjustable for optimum operator comfort. A secondary F-N-R switch is incorporated in work equipment lever configurations. A heated seat is standard.

Tier 4 Final Engine

The Komatsu SAA6D125E-7 engine is EPA Tier 4 Final emissions certified and provides exceptional performance while reducing fuel consumption. Based on Komatsu proprietary technologies developed over many years, this new diesel engine reduces nitrogen oxides (NOx) by more than 80% when compared to Tier 4 interim levels.

Product Parameter

Model
Komatsu SAA6D125E-7*
Type
Water-cooled, 4-cycle
Aspiration
Turbo-charged, after-cooled, cooled EGR
Number of cylinders
6
Bore x stroke 125 mm x 150 mm 4.9" x 5.9"
Piston displacement 11.04 ltr 674 in³
Governor
all-speed, electronic
Horsepower:

    SAE J1995 - Gross 244 kW 301HP
    ISO 9249/SAE J1349 - Net 223 kW 299 HP
    Rated rpm
2000 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 4 Final emissions certified    

Torque converter: 3-elements, 1-stage, 2-phase
Transmission Automatic full-powershift, countershaft type
Travel speed: (Measured with 26.5-R25 tires) Forward Reverse
1st 7.3 km/h
4.5 mph
7.5 km/h
4.7 mph
2nd 12.7 km/h
7.9 mph
13.1 km/h
8.1 mph
2nd (Lock-up clutch ON) 13.3 km/h
8.3 mph
13.8 km/h
8.6 mph
3rd 22.2 km/h
13.8 mph
22.9 km/h
14.2 mph
3nd (Lock-up clutch ON) 23.8 km/h
14.8 mph
24.5 km/h
15.2 mph
4th 35.4 km/h
22.0 mph
36.6 km/h
22.7 mph
4nd (Lock-up clutch ON) 38.5 km/h
24.0 mph
39.0 km/h
24.2 mph

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

Service brakes Hydraulically actuated, wet disc brakes actuate on four wheels
Parking brake Wet disc brake
Emergency brake Parking brake is commonly used

Type Articulated type, full-hydraulic power steering
Steering angle 35° each direction (40° to max end stop)
Minimum turning radius at the center of outside tire 6630 mm 21'9"

Steering system:

    Hydraulic pump
Piston pump
    Capacity (at rated rpm)
195 ltr/min 51.5 U.S. gal/min
    Relief valve setting 24.5 MPa / 250 kgf/cm² 3,555 psi
    Hydraulic cylinders:

        Type
Double-acting, piston type
        Number of cylinders
2
            Bore x stroke 90 mm x 441 mm 3.5" x 17.3"
Loader control:

    Hydraulic pump
Piston pump
    Capacity (at rated rpm)
260 ltr/min 68.7 U.S. gal/min
    Relief valve setting 34.3 MPa / 350 kgf/cm² 4,980 psi
    Hydraulic cylinders:

        Type
Double-acting, piston type
        Number of cylinders—bore x stroke:

            Lift cylinder / 2 140 mm x 881 mm 5.5" x 34.7"
            Bucket cylinder / 1 180 mm x 572 mm 7.1" x 22.5"
    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
6.4s
        Dump
1.9 s
        Lower (Empty)
3.8 s

Cooling system 81 ltr 21.4 U.S. gal
Fuel tank 380 ltr 100.4 U.S. gal
Engine 38 ltr 10.0 U.S. gal
Hydraulic system 173 ltr 45.7 U.S. gal
Axle front 59 ltr 15.6 U.S. gal
Axle rear 59 ltr 15.6 U.S. gal
Torque converter and transmission 65 ltr 17.2 U.S. gal
DEF tank
36 ltr 9.5 U.S. gal

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