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Home / Wheel Loaders / Komatsu Wheel Loaders / Komatsu WA120-3 |
Komatsu WA120-3 Specifications
The
Komatsu WA120-3 wheel loader driveline system components: 238 cu.in (3.9L)
Komatsu S4D102E-1 4-cylinder turbocharged diesel engine with a rated power of 91
hp (67 kW), and 4x4 full powershift transmission. The hydraulic system has a
pump with a rated capacity of 30.3 gal/min (115 l/min). The system relief
pressure is 3050 psi (210 bar). The Komatsu WA120-3 is equipped with a power
steering system, hydraulic wet disc brakes, and 17.5x25 tires. The wheel loader
has a maximum lift height of 136.8" (3475 mm) and bucket breakout force of 16250
lbs (7385 kg). The rated operating capacity is 7700 lbs (3500 kg), and tipping
load is 15400 lbs (7000 kg).
Engine Specs |
Engine Model ....................... Komatsu S4D102E-1
Engine Type ....................... Vertical 4-cycle water-cooled diesel
Number of Cylinders ....................... Four
Engine Bore, in (mm) ....................... 4.02 (102.0)
Engine Stroke, in (mm) ....................... 4.72 (120.0)
Displacement, cu.in (L) ....................... 238 (3.92)
Aspiration Type ....................... Turbocharged
Rated Engine Power, hp (kW) ....................... 91.0 (67.0)
Rated Engine Speed, rpm ....................... 2400
Firing Order ....................... 1-3-4-2
Fuel System ....................... Direct injection
Governor Type ....................... Mechanical, all-speed control
Lubricating System ....................... Forced lubrication with gear pump
Oil Filter Type ....................... Spin-on full-flow
Cooling System ....................... Liquid-cooled
Air Cleaner Type ....................... Dual stage dry element
Starting System ....................... Electrical
Fuel Tank Capacity, gal (L) ....................... 35.1 (133.0)
Oil Capacity, qts (L) ....................... 11.0 (10.5)
Coolant Capacity, qts (L) ....................... 18.9 (18.0)
Electrical System Rating, Volts ....................... 12
Charging System ....................... Alternator
Alternator Rating, Amps ....................... 50
Transmission |
Transmission Type ....................... Full powershift
Gearbox Type ....................... 4F/4R
Number of Forward Gears ....................... 4
Number of Reverse Gears ....................... 4
Torque Converter Type ....................... Single stage
Oil Capacity, gal (L) ....................... 6.2 (23.5)
Maximum Forward Speed, mph (kph) ....................... 22.1 (35.6)
Maximum Reverse Speed, mph (kph) ....................... 22.4 (36.1)
Wheels and Tires |
Drive System Type ....................... Four-wheel drive (4WD)
Steering Configuration ....................... Articulated frame
Steering System ....................... Hydraulic power
Service Brakes Type ....................... Hydraulic wet disc
Front Tire Size (Std) ....................... 17.5x25
Rear Tire Size (Std) ....................... 17.5x25
Front Tire Size (Opt) ....................... 15.5x25
Rear Tire Size (Opt) ....................... 15.5x25
Front Tire Size (Opt) ....................... 17.5R25
Rear Tire Size (Opt) ....................... 17.5R25
Hydraulic System |
Hydraulic System Type ....................... Open center
Hydraulic Pump Type ....................... Gear
Pump Flow, gpm (Lpm) ....................... 30.3 (115.0)
System Pressure, psi (Bar) ....................... 3050 (210)
Hydraulic System Capacity, gal (L) ....................... 10.8 (41.0)
Loader Performance |
Rated Operating Capacity (Straight), lbs (kg) ....................... 7700 (3500)
Rated Operating Capacity (Full Turn), lbs (kg) ....................... 6700 (3045)
Tipping Load (Straight), lbs (kg) ....................... 15400 (7000)
Tipping Load (Full Turn), lbs (kg) ....................... 13400 (6090)
Breakout Force, lbs (kg) ....................... 16250 (7385)
Dimensions and Weight |
Operating Height (Fully Raised), in (mm) ....................... 175 (4445)
Maximum Lift Height To Hinge Pin, in (mm) ....................... 136.8 (3475)
Height To Top Of Cab, in (mm) ....................... 122 (3100)
Length With Bucket On Ground, in (mm) ....................... 234.2 (5950)
Width (Tread Center), in (mm) ....................... 70.1 (1780)
Width (Over Tires), in (mm) ....................... 87.6 (2225)
Wheel Base, in (mm) ....................... 102.4 (2600)
Ground Clearance, in (mm) ....................... 16.7 (425)
Articulation Angle, deg ....................... 40
Bucket Width, in (mm) ....................... 94 (2385)
Bucket Capacity, cu.ft (m3) ....................... 49.4 (1.40)
Digging Depth, in (mm) ....................... 8.3 (210)
Clearance With Bucket Dumped, in (mm) ....................... 107.3 (2725)
Reach At Full Height, in (mm) ....................... 37.6 (955)
Turning Radius (w/Bucket), in (mm) ....................... 203.5 (5170)
Operating Weight, lbs (kg) ....................... 18100 (8215)
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