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Komatsu WA65-3 Specifications

The Komatsu WA65-3 wheel loader driveline system components: 168 cu.in (2.8L) Komatsu 4D94E 4-cylinder direct injection water-cooled diesel engine with a rated power of 50 hp (37 kW), and 2-speed hydrostatic transmission. The hydraulic system has a pump with a rated capacity of 14.5 gal/min (55 l/min). The system pressure is 2900 psi (200 bar). The Komatsu WA65-3 is equipped with a power steering, hydraulic wet disc brakes, and 365/70R18 tires. The wheel loader has a maximum lift height to hinge pin of 122.6" (3115 mm) and boom breakout force of 8930 lbs (4060 kg). The rated operating capacity is 3850 lbs (1750 kg), and tipping load is 7700 lbs (3500 kg).

Engine Model ....................... Komatsu 4D94E
Engine Type ....................... Vertical 4-cycle water-cooled diesel
Number of Cylinders ....................... Four
Engine Bore, in (mm) ....................... 3.70 (94.0)
Engine Stroke, in (mm) ....................... 3.94 (100.0)
Displacement, cu.in (L) ....................... 168 (2.76)
Aspiration Type ....................... Naturally aspirated
Rated Engine Power, hp (kW) ....................... 50.0 (37.0)
Rated Engine Speed, rpm ....................... 2500
Maximum Torque, Nm (ft-lbs) ....................... 165 (122)
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 ....................... Dry element with pre-filter
Starting System ....................... Electrical
Fuel Tank Capacity, gal (L) ....................... 20.3 (77.0)
Oil Capacity, qts (L) ....................... 9.9 (9.4)
Coolant Capacity, qts (L) ....................... 10.5 (10.0)
Electrical System Rating, Volts ....................... 12
Charging System ....................... Alternator
Alternator Rating, Amps ....................... 80

Transmission Type ....................... Hydrostatic
Number of Forward Gears ....................... 2
Number of Reverse Gears ....................... 2
Maximum Speed (Low Range), mph (kph) ....................... 3.5 (5.6)
Maximum Speed (High Range), mph (kph) ....................... 12.4 (20.0)
Maximum Speed (High Speed), mph (kph) ....................... 18.6 (30.0)

Drive System Type ....................... Four-wheel drive (4WD)
Steering Configuration ....................... Articulated frame
Steering System ....................... Hydrostatic power
Service Brakes Type ....................... Hydraulic wet multiple disc
Front Tire Size (Std) ....................... 365/70R18
Rear Tire Size (Std) ....................... 365/70R18
Front Tire Size (Opt) ....................... 335/80R18
Rear Tire Size (Opt) ....................... 335/80R18
Front Tire Size (Opt) ....................... 365/80R20
Rear Tire Size (Opt) ....................... 365/80R20
Front Tire Size (Opt) ....................... 12.5x18
Rear Tire Size (Opt) ....................... 12.5x18

Hydraulic System Type ....................... Closed center
Hydraulic Pump Type ....................... Piston
Pump Flow, gpm (Lpm) ....................... 14.5 (55.0)
System Pressure, psi (Bar) ....................... 2900 (200)
Hydraulic System Capacity, gal (L) ....................... 18.5 (70.0)

Rated Operating Capacity (Straight), lbs (kg) ....................... 3850 (1750)
Rated Operating Capacity (Full Turn), lbs (kg) ....................... 3355 (1525)
Tipping Load (Straight), lbs (kg) ....................... 7700 (3500)
Tipping Load (Full Turn), lbs (kg) ....................... 6710 (3050)
Lift Capacity, lbs (kg) ....................... 7480 (3400)
Breakout Force, lbs (kg) ....................... 8930 (4060)

Operating Height (Fully Raised), in (mm) ....................... 158.3 (4020)
Maximum Lift Height To Hinge Pin, in (mm) ....................... 122.6 (3115)
Height To Top Of Cab, in (mm) ....................... 102 (2590)
Length With Bucket On Ground, in (mm) ....................... 201.4 (5115)
Width (Tread Center), in (mm) ....................... 57.1 (1450)
Width (Over Tires), in (mm) ....................... 72 (1830)
Wheel Base, in (mm) ....................... 76.8 (1950)
Ground Clearance, in (mm) ....................... 15.6 (395)
Articulation Angle, deg ....................... 40
Bucket Width, in (mm) ....................... 73 (1850)
Bucket Capacity, cu.ft (m3) ....................... 24.7 (0.70)
Digging Depth, in (mm) ....................... 3.5 (90)
Rollback Angle At Ground, deg ....................... 50
Rollback Angle At Full Height, deg ....................... 65
Dump Angle At Full Height, deg ....................... 47
Clearance With Bucket Dumped, in (mm) ....................... 98.6 (2505)
Reach At Full Height, in (mm) ....................... 30.7 (780)
Turning Radius (w/Bucket), in (mm) ....................... 158.3 (4020)
Operating Weight, lbs (kg) ....................... 9370 (4260)

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Wheel Loaders, Skid Steers, and Compact Track Loaders