Model Komatsu WA900-3E0 Caterpillar 992K
General
Brand Komatsu Caterpillar
Model WA900-3E0 992K
Bucket Type Spade nose Spade nose
Bucket Capacity (m3) 13 10.7
Net Horsepower (kW) 638 597
Operating Weight (kg) 107200 97295
Engine
Engine Model SAA12V140E-3 C32 ACERT
Gross Horsepower -SAE J1995 (kW) 672 674
Net Horsepower -ISO 9249/SAE J1349 (kW) 638 597
Horsepower - Fan Max. (kW) N/P N/P
Rated RPM (rpm) 2050 1750
Engine Type Water-cooled, 4-cycle diesel Water-cooled, 4-cycle diesel
Aspiration Turbocharged, air to air aftercooling Turbocharged, aftercooled
Number of Cylinders 12 12
Bore x Stroke (mm) 140 x 165 145 x 162
Piston Displacement (ltr) 30.48 32.1
Governor Electronic Electronic
Fan Drive for Radiator Cooling Mechanical Hydraulic, variable speed
Reversible Fan Control N/A N/P
Fuel System Direct injection Mecahically actuated, electronically controlled
Lubrication System Method Gear pump - forced lubrication N/P
Komatsu WA900-3E0 Caterpillar 992K
Lubrication Filter Full-flow and bypass combined N/P
Air Cleaner Dry type with automatic dust evacuation and pre-cleaned Dry element, pre-cleaned
Emission Certification EPA Tier 2 Certified EPA Tier 2 Certified
Drivetrain
Torque Converter Type 3-element, single stage, single phase N/P
Transmission Type Full powershift planetary type Planetary type
Number of Speeds (Fwd/Rev) 3/3 3/3
Max. Speed (Fwd) (KPH) 28 22.8
Max. Speed (Rev) (KPH) 28.3 24.8
Traction Control N/A No-SPIN differential (option)
Differential Gear (Front/Rear) Straight bevel gear N/P
Reduction Gear Spiral bevel gear N/P
Final Reduction Gear Planetary gear, single reduction Planetary type
Front Axle 34.86:1 N/P
Rear Axle 34.86:1 N/P
Rear Axle Oscillation (deg) 22 N/P
Service Brakes Hydraulically activated, wet disc brakes actuate on four wheels Wet, multiple disc
Parking Brake Dry disc brake Dry disc
Steering
Steering Type Articulated type, fully hydraulic power steering Articulated type, fully hydraulic power steering
Steering Angle (deg) 40 N/P
Minimum Turning Radius (Center of Outside Tire) (mm) 9200 N/P
Hydraulics
Steering Pump Type Piston pump N/P
Komatsu WA900-3E0 Caterpillar 992K
Steering Pump Capacity (ltr/min) 315 N/P
Steering Relief Valve Setting (MPa) 350 N/P
Steering Cylinder Type Double acting, piston type Double acting, piston type
Steering Cylinder Number 2 2
Bore x Stroke (mm) 160 x 503 N/P
Loader Pump Type Piston pump N/P
Loader Pump Capacity (ltr/min) 415 N/P
Loader Relief Valve Setting (MPa) 350 315.9
Loader Cylinder Types Double acting, piston type Double acting, piston type
Boom Cylinder Number 2 2
Boom Cylinder Bore x Stroke (mm) 260 x 1368 279 x 1148
Bucket Cylinder Number 1 1
Bucket Cylinder Bore x Stroke (mm) 300 x 906 267 x 2055
Control Valve Type Spool type N/P
Control Lever Type Joystick Joystick
Control Valve Actuation N/P N/P
Control Positions - Boom Raise, hold, lower, float N/P
Control Positions - Bucket Tilt back, hold, dump N/P
Bucket
Bucket Type Spade nose Spade nose
Bucket Capacity - Heaped (m3) 13 10.7
Bucket Capacity - Struck (m3) 11 8.9
Komatsu WA900-3E0 Caterpillar 992K
Bucket Width (mm) 4810 4824
Bucket Edge Type Spade nose Spade nose
Bucket Weight (kg) 12330 N/P
Dimensions
Loader Linkage Type Z bar type Mono-boom
Dump Clearance Max. Height, 45 Deg. Dump Angle (mm) 4640 4849
Reach at Max. Height, 45 Deg. Dump Angle (mm) 2450 2092
Reach at 7', 45 Deg. Dump Angle (mm) 3650 N/P
Reach With Arms Horizontal and Bucket Level (mm) 4640 5114
Hinge Pin Height at Full Raise (mm) 6960 6927
Tire Size 45/65-45, 58 PR 45/65-45, 58PR
Tread (mm) L-5 N/P
Width Over Tires (mm) 4585 N/P
Wheelbase (mm) 5450 5890
Loader Clearance Circle - Bucket at Carry, Outside Corner of Bucket (mm) 22000 N/P
Ground Clearance (mm) 550 682
Hitch Height (mm) 1390 1830
Overall Height - Top of Stack (mm) 5130 5248
Overall Height - Top of ROPS Cab (mm) 5275 5678
Performance
Hydraulic Cycle Time - Boom Raise (sec) 11.2 9.4
Hydraulic Cycle Time - Bucket Dump (sec) 2 1.8
Hydraulic Cycle Time - Boom Lower (sec) 4.8 3.7
Komatsu WA900-3E0 Caterpillar 992K
Straight Static Tipping Load (kg) 65670 57096
Full Turn Static Tipping Load (kg) 57430 48527
Breakout Force (kg) 67900 58466
Weight
Operating Weight (kg) 107200 97295
Maintenance
Refill Capacity - Cooling System (ltr) 337 290
Refill Capacity - Fuel Tank (ltr) 1555 1562
Refill Capacity - Engine (ltr) 130 120
Refill Capacity - Hydraulic System (ltr) 725 N/P
Refill Capacity - Axle (Front) (ltr) 360 360
Refill Capacity - Axle (Rear) (ltr) 360 345
Refill Capacity - Torque Converter / Transfer Case (ltr) 140 169
n/a = not applicable
n/p = not published
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verified by Komatsu. Komatsu does not provide any warranty regarding the accuracy or completeness of this information. The information contained in
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