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Komatsu WA70-5 Specifications

The Komatsu WA70-5 wheel loader driveline system components: 202 cu.in (3.3L) Komatsu 4D95-LE3 4-cylinder direct injection liquid-cooled diesel engine with a rated power of 60 hp (45 kW), and 2-range hydrostatic transmission. The hydraulic system has a pump with a rated capacity of 13.2 gal/min (50 l/min). The system relief pressure is 3335 psi (230 bar). The Komatsu WA70-5 is equipped with a hydrostatic power steering, hydraulic disc brakes, and 12.5x18 tires. The wheel loader has a max lift height of 123.6" (3140 mm) and breakout force of 8010 lbs (3640 kg). The rated operating capacity is 4435 lbs (2015 kg), and tipping load is 8870 lbs (4030 kg).

Engine Model ....................... Komatsu 4D95-LE3
Engine Type ....................... Vertical 4-cycle water-cooled diesel
Number of Cylinders ....................... Four
Engine Bore, in (mm) ....................... 3.74 (95.0)
Engine Stroke, in (mm) ....................... 4.53 (115.0)
Displacement, cu.in (L) ....................... 202 (3.31)
Aspiration Type ....................... Naturally aspirated
Rated Engine Power, hp (kW) ....................... 60.0 (45.0)
Rated Engine Speed, rpm ....................... 2350
Maximum Torque, Nm (ft-lbs) ....................... 214 (159)
Torque Speed, rpm ....................... 1600
Firing Order ....................... 1-3-4-2
Fuel System ....................... Direct injection
Governor Type ....................... Mechanical
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) ....................... 21.4 (81.0)
Oil Capacity, qts (L) ....................... 7.9 (7.5)
Coolant Capacity, qts (L) ....................... 9.6 (9.1)
Electrical System Rating, Volts ....................... 12
Charging System ....................... Alternator
Alternator Rating, Amps ....................... 60

Transmission Type ....................... Hydrostatic
Number of Forward Gears ....................... 2
Number of Reverse Gears ....................... 2
Maximum Speed (Low Range), mph (kph) ....................... 3.2 (5.0)
Maximum Speed (High Range), mph (kph) ....................... 12.4 (20.0)

Drive System Type ....................... Four-wheel drive (4WD)
Steering Configuration ....................... Articulated frame
Steering System ....................... Hydrostatic power
Service Brakes Type ....................... Hydraulic disc
Front Tire Size (Std) ....................... 12.5x18
Rear Tire Size (Std) ....................... 12.5x18
Front Tire Size (Opt) ....................... 335/80R18
Rear Tire Size (Opt) ....................... 335/80R18
Front Tire Size (Opt) ....................... 365/70R18
Rear Tire Size (Opt) ....................... 365/70R18
Front Tire Size (Opt) ....................... 400/70R18
Rear Tire Size (Opt) ....................... 400/70R18

Hydraulic System Type ....................... Open center
Hydraulic Pump Type ....................... Gear
Pump Flow, gpm (Lpm) ....................... 13.2 (50.0)
System Pressure, psi (Bar) ....................... 3335 (230)
Hydraulic System Capacity, gal (L) ....................... 7.9 (30.0)

Rated Operating Capacity (Straight), lbs (kg) ....................... 4435 (2015)
Rated Operating Capacity (Full Turn), lbs (kg) ....................... 3795 (1725)
Tipping Load (Straight), lbs (kg) ....................... 8870 (4030)
Tipping Load (Full Turn), lbs (kg) ....................... 7590 (3450)
Lift Capacity, lbs (kg) ....................... 9040 (4110)
Breakout Force, lbs (kg) ....................... 8010 (3640)

Operating Height (Fully Raised), in (mm) ....................... 160.2 (4070)
Maximum Lift Height To Hinge Pin, in (mm) ....................... 123.6 (3140)
Height To Top Of Cab, in (mm) ....................... 97 (2465)
Length With Bucket On Ground, in (mm) ....................... 211 (5360)
Width (Tread Center), in (mm) ....................... 51.4 (1305)
Width (Over Tires), in (mm) ....................... 64 (1625)
Wheel Base, in (mm) ....................... 80.7 (2050)
Ground Clearance, in (mm) ....................... 12 (305)
Articulation Angle, deg ....................... 40
Bucket Width, in (mm) ....................... 71 (1800)
Bucket Capacity, cu.ft (m3) ....................... 30.0 (0.85)
Digging Depth, in (mm) ....................... 3.9 (100)
Clearance With Bucket Dumped, in (mm) ....................... 91.9 (2335)
Reach At Full Height, in (mm) ....................... 39.8 (1010)
Turning Radius (w/Bucket), in (mm) ....................... 164.4 (4175)
Operating Weight, lbs (kg) ....................... 11130 (5060)

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