2019 Komatsu WA380Z-6

Steering System
Steering System Type
Full-hydraulic power steering

Minimum Turning Radius At The Centre Of Outside Tire
5380mm

Engine
Horsepower, Gross-Sae J1995
143kw

Horsepower, Net-Iso 9249
142kw

Horsepower, Net-Sae J1349
133kw

Fan Drive Method
​Hydraulic

Lubrication Method
Gear pump, force-lubricatio

Filter
Full-flow type

Number Of Cylinders
6

Piston Displacement
6.7L

Engine Make
2238

Engine Model
SAA6D107E-1

Engine Type
Water-cooled, 4-cycle

Air Cleaner
Dry type

Governor
All-speed, electronic

Power Measured @
2100rpm

Displacement
6.7L

Aspiration
Turbocharged, after cooled

Bore
107mm

Stroke
124mm

Fuel System
Direct injection

Driveline
Brake
Hydraulic, Wet disc

Ride Control System
Standard

Maximum Speeds/Fwd Mph (Km/H)
34

Maximum Speeds/Rev Mph (Km/H)
35.5

Transmission
Automatic Powershift

Number Of Speeds - Forward
4

Number Of Speeds - Reverse
4

Capacities
Fuel Tank
300L

Cooling System
30.5L

Hydraulic System
139L

Engine Oil
23L

Torque Converter, Transmission And Retarder Cooling
38L

Axle Each (Front & Rear)
40L

Operational
Bucket Capacity Range – Sae
2.7 - 4.0

Standard Bucket Capacity – Sae
3.6m3

Bucket Description
GP Bucket, Bolt Edge

Static Tipping Load,Full Turn
14435kg

Breakout Force
16100 kgf

Dump Clearance, @45 Degrees Dump Angle
28950mm

Dump Reach, @45 Degrees Dump Angle
1210mm

Bucket Width
2905mm

Bucket Link Type
Z-Bar

Transmission
Transmission Type
Automatic full-power shift

Number Of Forward Gears
4

Number Of Reverse Gears
4

Max Speed - Forward
34km/h

Max Speed - Reverse
35.5km/h

Tires
Standard Fitment Size
23.5 R25 L3

Weights
Operating Weight
17920kg

Hydraulic System
Steering Pump Type
Piston Pump

Loader Control Type
Piston Pump

Number Of Cylinders
2

Bore
75mm

Control Valve
2-spool type

Control Positions Boom
Raise, hold, lower, and float

Control Positions Bucket
Tilt-back, hold, and dump

Hydraulic Cylinders Type
Double-acting, piston type

Lift Cylinder Stroke
713mm

Lift Cylinder
2

Lift Cylinder Bore
130mm

Bucket Cylinde Bore
150mm

Bucket Cylinde Stroke
535mm

Stroke
442mm

Relief Valve Setting
24.5 MPa 250 kgf/cm 2 3,555 psi

Pump Flow Capacity
138L/min

Raise Time
5.9sec

Dump Time
1.8sec

Lower Time
3.3sec

Axles
Drive System
Four-wheel drive

Front
Fixed, semi-floating

Rear
Center-pin support, semi-floating, 24 ̊ total oscillation

Hydraulic System
Pump Type
Gear type pump

Final Drive
Reduction Gear
Spiral bevel gear

Differential Gear
Torque proportioning

Final Reduction Gear
Planetary gear, single reduction

Brakes
Parking Brake
Wet

Service Brake
Hydraulically actuated

Emergency Brake
Parking brake is commonly used