Fill out our form - takes 30 seconds - Enjoy Competing Quotes
Komatsu Wheel Loaders WA320-7
WA320-7 Wheel Loader
The WA320-7 marries a well proven hydrostatic drivetrain with Komatsu's industry leading Tier 4 interim engine technology that reduces fuel economy by up to 10%. The WA320-7 has a parallel lift boom with 10% more lift than the previous model and z-bar linkage for high breakout force for digging.
Engine
Model
Komatsu SAA6D107E-2*
Type
Water-cooled, 4-cycle
Aspiration
Turbo-charged, after-cooled, cooled EGR
Number of cylinders
6
Bore x stroke
4.21" x 4.88"
107 mm x 124 mm
Piston displacement
408 in³
6.69 ltr
Governor
All-speed, electronic
Horsepower:
Gross - SAE J1995
170 HP
127 kW
Net - ISO 9249/SAE J1349
165 HP
123 kW
Rated rpm
2100 rpm
Max power - ISO 14396 @ 1900 rpm
173 HP
129 kW
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 Interim and EU stage 3B emissions certified
Transmission
Transmission
Hydrostatic, 1 pump, 2 motors with speed range select
Travel speed
Forward
Reverse
1st
0.6 - 8.1 mph
0.6 - 8.1 mph
2nd
8.1 mph
8.1 mph
3rd
11.6 mph
11.6 mph
4th
23.6 mph
23.6 mph
Measured with 20.5-25 tires
Axles and Final Drives
Drive system
Four-wheel drive
Front
Fixed, semi-floating
Rear
Center-pin support, semi-floating, 24° total oscillation
Reduction gear
Spiral bevel gear
Differential gear
Torque proportioning
Final reduction gear
Planetary gear, single reduction
Brakes
Service brakes
Hydraulically-actuated, wet disc brakes actuate on four wheels.
Parking brake
Wet, multi-disc brake on transfer output shaft.
Emergency brake
Parking brake is commonly used
Steering System
Type
Articulated type, fully-hydraulic power steering
Steering angle
38.5° each direction (40° to max end stop)
Minimum turning radius at the center of outside tire