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Komatsu WA800-3E0 and WA900-3E0 specifications

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Short answer

Komatsu WA800-3E0 and WA900-3E0: wheel loaders.

Selected configuration figures
ConfigurationDocumented field and quantity
WA800-3E0
Horsepower, Gross-SAE J1995
852.9 hp
Operating Weight
224,651 lb
WA900-3E0
Horsepower, Gross-SAE J1995
901.2 hp
Operating Weight
236,336 lb
WA800-3E0 and WA900-3E0 specification matrix — Listing labels reported by the source
Publisher nameSource guideListing-entry countLabels named by the source
KomatsuWA800-3E0 and WA900-3E02WA800-3E0 and WA900-3E0
Dimensions and weight
SpecificationWA800-3E0WA900-3E0
Ground Clearance1.81 ft1.81 ft
Height To Top Of Cab17.31 ft17.31 ft
Wheelbase17.89 ft214.57 in
Length561.82 in14,270 mm
Turning Circle3.02 ft30.19 ft
SpecificationWA800-3E0
Width Over Tires15.05 ft
SpecificationWA900-3E0
Width Over Tyres180.52 in
Steering System
SpecificationWA800-3E0WA900-3E0
Steering System TypeArticulatedArticulated type, full-hydraulic power steering
Minimum Turning Radius At The Centre Of Outside Tire30.2 ft30.2 ft
SpecificationWA900-3E0
Steering Angle40 degrees
Engine
SpecificationWA800-3E0WA900-3E0
Horsepower, Gross-SAE J1995852.9 hp901.2 hp
Horsepower, Net-ISO 9249808.7 hp855.6 hp
Fan Drive MethodMechanicalHydraulic
Lubrication MethodGear pump, force-lubricatioGear pump, force-lubrication
FilterFull-flow type bypass combinedFull-flow and bypass combined
Number Of Cylinders1212
Engine ModelSAA12V140E-3Komatsu SAA2V140E-3
Engine TypeWater-cooled, 4-cycleWater-cooled, 4-cycle
Air CleanerDry typeDry type with automatic dust ejector and pre-cleaner, cyclopac with vacuator
GovernorAll-speed, electronicAll-speed, electronic
Displacement1,860 cu in1,860 cu in
AspirationTurbocharged, after cooledEGRTurbocharged, air-to-air aftercooled
Bore5.6 in5.6 in
Stroke6.5 in6.5 in
SpecificationWA800-3E0
Piston Displacement1,860 cu in
Fuel SystemDirect injection
SpecificationWA900-3E0
Horsepower, Net-SAE J1349855.6 hp
Rated Power2,050 rpm
Fuel TypeDirect injection
Driveline
SpecificationWA800-3E0
Maximum Speeds/Fwd Mph (Km/H)28.0
Maximum Speeds/Rev Mph (Km/H)28.3
TransmissionFull-power shift, planetary gear
SpecificationWA800-3E0WA900-3E0
Service Brake TypeHydraulically actuated, wet disc brakes actuate on four wheelsHydraulically actuated, wet disc brakes actuate on four wheels
Parking Brake TypeDry disc brakeDry disc brake
Number Of Speeds - Forward33
Number Of Speeds - Reverse33
SpecificationWA900-3E0
Maximum Speeds Fwd17.4 mph
Maximum Speeds Rev17.6 mph
Transmission TypeFull-powershift, planetary gear
Capacities
SpecificationWA800-3E0
Front Axle21,969 cu in
Fuel Tank - Diesel410.8 gal
Rear Axle95.2 gal
SpecificationWA800-3E0WA900-3E0
Cooling System89.1 gal89.1 gal
Hydraulic System191.6 gal191.6 gal
Engine Oil34.4 gal34.4 gal
Torque Converter, Transmission And Retarder Cooling37 gal37 gal
SpecificationWA900-3E0
Fuel Tank410.8 gal
Axle Each (Front & Rear)95.2 gal
Operational
SpecificationWA800-3E0WA900-3E0
Standard Bucket Capacity – SAE14.4 yd317.1 yd3
Static Tipping Load,Full Turn118,477 lb126,612 lb
Breakout Force69000 kgf67900 kgf
Dump Clearance, @45 Degrees Dump Angle15.2 ft15.3 ft
Dump Reach, @45 Degrees Dump Angle7.9 ft8.1 ft
Bucket Width15.8 ft15.8 ft
Bucket Link TypeZ-barZ-Bar
SpecificationWA800-3E0
Bucket DescriptionGP Bucket, Bolt Edge
SpecificationWA900-3E0
Static Tipping Load, Full Straight144,778 lb
Transmission and speeds
SpecificationWA800-3E0WA900-3E0
Transmission TypeFull-power shift, planetary typeFull-powershift
SpecificationWA800-3E0
Number Of Forward Gears4
Number Of Reverse Gears4
Max Speed - Forward17.4 mph
Max Speed - Reverse17.6 mph
Tires
SpecificationWA800-3E0
Standard Fitment Size45/65-45-46PR-L-5 tubeless
Weights
SpecificationWA800-3E0WA900-3E0
Operating Weight224,651 lb236,336 lb
Hydraulic System
SpecificationWA800-3E0WA900-3E0
Steering Pump TypePiston PumpPiston Pump
Loader Control TypePiston PumpPiston Pump
Number Of Cylinders22
Bore6.3 in6.3 in
Loader Control Capacity107 gpm109.7 gpm
Control Valvespool type2-spool type
Control Positions BoomRaise, hold, lower, and floatRaise, hold, lower, and float
Control Positions BucketTilt-back, hold, and dumpTilt-back, hold, and dump
Hydraulic Cylinders TypeDouble-acting, piston typeDouble-acting, piston type
Stroke19.9 in503 mm
Relief Valve Setting31.4 MPa 350 kgf/cm 4,980 PSI4,977 psi
Raise Time11.2 sec11.2 sec
Dump Time2 sec2 sec
Lower Time4.8 sec4.8 sec
SpecificationWA800-3E0
No.Of.Bucket Cylinders1
Lift Cylinder Stroke53.9 in
Lift Cylinder2
Lift Cylinder Bore10.3 in
Bucket Cylinde Bore11.9 in
Bucket Cylinde Stroke35.7 in
Pump Flow Capacity81.2 gpm
Pump TypePiston Pump
SpecificationWA900-3E0
Hydraulic PumpPiston pump
Steering System Capacity83.3 gpm
BoomRaise, hold, lower, and float
BucketTilt-back, hold, and dump
Axles
SpecificationWA800-3E0
Drive SystemFour-wheel drive
FrontFixed, semi-floating
RearCenter-pin support, semi-floating, 24 ̊ total oscillation
Final Drive
SpecificationWA800-3E0WA900-3E0
Reduction GearSpiral bevel gearSpiral bevel gear
Differential GearTorque proportioningStraight bevel gear
Final Reduction GearPlanetary gear, single reductionPlanetary gear
SpecificationWA900-3E0
Drive SystemFour-wheel drive
FrontFixed, full-floating
RearCenter-pin support, full-floating, 22˚ total oscillation
Brakes
SpecificationWA800-3E0WA900-3E0
Parking BrakeDry Disc brakeDry disc brake
Service BrakeHydraulically actuatedHydraulically actuated, wet disc brakes actuate on four wheels
Emergency BrakeParking brake is commonly usedParking brake is commonly used
Tyres
SpecificationWA900-3E0
Standard Fitment Size45/65-45-58PR-L-5 tubeless
Variants — Source comparison annotation
Source guideDiffering-field count reported
WA800-3E0 and WA900-3E073
Ratios
FigureWA800-3E0WA900-3E0
Engine horsepower per 1,000 lb of weight3.63.6
FigureWA800-3E0
Pump flow per engine horsepower0.10 gpm
FigureWA900-3E0
Fuel tank per engine horsepower0.48 gal
Reference directory classification
Equipment groupwheel loader
WA800-3E0 and WA900-3E0: forum references — Forum-title search
Forum indexEquipment class queriedNames in the searchMatching titles
Heavy Equipment Forumswheel loaderKomatsu and the WA800, WA900 line that the WA800-3E0, WA900-3E0 belongs to (no title names the exact model). That is too few titles to say what owners mostly ask about, so the most recent are listed instead4
Used market for the WA800-3E0 and WA900-3E0 — Dated first-page listing snapshot
Observation dateListing sourceEquipment searchListings
2026-09-24MachineryTraderKomatsu wheel loader8
ModelListedModel yearsLowest askingHighest askingMedian askingMedian hours
WA800-3E022014 to 2021$957,032$957,032$957,0325,000
WA900-3E062008 to 2015$352,469$352,469$352,469None shown
WA800-3E0 and WA900-3E0: recall reference — Dated CPSC search
Search dateDatabaseNames queriedSearch result
2026-09-24U.S. Consumer Product Safety CommissionKomatsu together with the wheel loader WA800-3E0, WA900-3E0No matching recall in this search

Sources for this page

Evidence classDocument, classification and recorded date
Reference site
Reference site
Forum threads
Used-market listings
Federal agency data
Recorded observations — Forum-title snapshot
Observation fieldRecorded value
Title count4
Forum indexesHeavy Equipment Forums
Search wordingthe WA800-3E0 and WA900-3E0 wheel loader
Latest title quoted by the referenceKomatsu Wa 800 2 Hard Starting

Komatsu WA800-3E0 and WA900-3E0: Configuration records

WA800-3E0
SpecificationSource figure
Dimensions and weight
Ground Clearance1.81 ft
Width Over Tires15.05 ft
Height To Top Of Cab17.31 ft
Wheelbase17.89 ft
Length561.82 in
Turning Circle3.02 ft
Steering System
Steering System TypeArticulated
Minimum Turning Radius At The Centre Of Outside Tire30.2 ft
Engine
Horsepower, Gross-SAE J1995852.9 hp
Horsepower, Net-ISO 9249808.7 hp
Fan Drive MethodMechanical
Lubrication MethodGear pump, force-lubricatio
FilterFull-flow type bypass combined
Piston Displacement1,860 cu in
Engine ModelSAA12V140E-3
Engine TypeWater-cooled, 4-cycle
Air CleanerDry type
GovernorAll-speed, electronic
Displacement1,860 cu in
AspirationTurbocharged, after cooledEGR
Fuel SystemDirect injection
Driveline
Maximum Speeds/Fwd Mph (Km/H)28.0
Maximum Speeds/Rev Mph (Km/H)28.3
TransmissionFull-power shift, planetary gear
Service Brake TypeHydraulically actuated, wet disc brakes actuate on four wheels
Parking Brake TypeDry disc brake
Number Of Speeds - Forward3
Number Of Speeds - Reverse3
Capacities
Front Axle21,969 cu in
Fuel Tank - Diesel410.8 gal
Cooling System89.1 gal
Rear Axle95.2 gal
Engine Oil34.4 gal
Torque Converter, Transmission And Retarder Cooling37 gal
Operational
Standard Bucket Capacity – SAE14.4 yd3
Bucket DescriptionGP Bucket, Bolt Edge
Static Tipping Load,Full Turn118,477 lb
Breakout Force69000 kgf
Dump Clearance, @45 Degrees Dump Angle15.2 ft
Dump Reach, @45 Degrees Dump Angle7.9 ft
Bucket Width15.8 ft
Bucket Link TypeZ-bar
Transmission and speeds
Number Of Forward Gears4
Number Of Reverse Gears4
Max Speed - Forward17.4 mph
Max Speed - Reverse17.6 mph
Weights
Operating Weight224,651 lb
Hydraulic System
Steering Pump TypePiston Pump
Loader Control TypePiston Pump
No.Of.Bucket Cylinders1
Loader Control Capacity107 gpm
Control Valvespool type
Control Positions BoomRaise, hold, lower, and float
Control Positions BucketTilt-back, hold, and dump
Hydraulic Cylinders TypeDouble-acting, piston type
Lift Cylinder Stroke53.9 in
Lift Cylinder2
Lift Cylinder Bore10.3 in
Bucket Cylinde Bore11.9 in
Bucket Cylinde Stroke35.7 in
Relief Valve Setting31.4 MPa 350 kgf/cm 4,980 PSI
Pump Flow Capacity81.2 gpm
Raise Time11.2 sec
Dump Time2 sec
Lower Time4.8 sec
Pump TypePiston Pump
Final Drive
Reduction GearSpiral bevel gear
Differential GearTorque proportioning
Final Reduction GearPlanetary gear, single reduction
Brakes
Parking BrakeDry Disc brake
Service BrakeHydraulically actuated
Emergency BrakeParking brake is commonly used
Additional specifications
Number Of Cylinders12
Bore5.6 in
Stroke6.5 in
Hydraulic System191.6 gal
Transmission TypeFull-power shift, planetary type
Standard Fitment Size45/65-45-46PR-L-5 tubeless
Drive SystemFour-wheel drive
FrontFixed, semi-floating
RearCenter-pin support, semi-floating, 24 ̊ total oscillation

Source

WA900-3E0
SpecificationSource figure
Dimensions and weight
Ground Clearance1.81 ft
Height To Top Of Cab17.31 ft
Wheelbase214.57 in
Length14,270 mm
Turning Circle30.19 ft
Width Over Tyres180.52 in
Steering System
Steering System TypeArticulated type, full-hydraulic power steering
Minimum Turning Radius At The Centre Of Outside Tire30.2 ft
Steering Angle40 degrees
Engine
Horsepower, Gross-SAE J1995901.2 hp
Horsepower, Net-ISO 9249855.6 hp
Fan Drive MethodHydraulic
Lubrication MethodGear pump, force-lubrication
FilterFull-flow and bypass combined
Engine ModelKomatsu SAA2V140E-3
Engine TypeWater-cooled, 4-cycle
Air CleanerDry type with automatic dust ejector and pre-cleaner, cyclopac with vacuator
GovernorAll-speed, electronic
Displacement1,860 cu in
AspirationTurbocharged, air-to-air aftercooled
Horsepower, Net-SAE J1349855.6 hp
Rated Power2,050 rpm
Fuel TypeDirect injection
Driveline
Service Brake TypeHydraulically actuated, wet disc brakes actuate on four wheels
Parking Brake TypeDry disc brake
Number Of Speeds - Forward3
Number Of Speeds - Reverse3
Maximum Speeds Fwd17.4 mph
Maximum Speeds Rev17.6 mph
Capacities
Cooling System89.1 gal
Engine Oil34.4 gal
Torque Converter, Transmission And Retarder Cooling37 gal
Fuel Tank410.8 gal
Axle Each (Front & Rear)95.2 gal
Operational
Standard Bucket Capacity – SAE17.1 yd3
Static Tipping Load,Full Turn126,612 lb
Breakout Force67900 kgf
Dump Clearance, @45 Degrees Dump Angle15.3 ft
Dump Reach, @45 Degrees Dump Angle8.1 ft
Bucket Width15.8 ft
Bucket Link TypeZ-Bar
Static Tipping Load, Full Straight144,778 lb
Weights
Operating Weight236,336 lb
Hydraulic System
Steering Pump TypePiston Pump
Loader Control TypePiston Pump
Loader Control Capacity109.7 gpm
Control Valve2-spool type
Control Positions BoomRaise, hold, lower, and float
Control Positions BucketTilt-back, hold, and dump
Hydraulic Cylinders TypeDouble-acting, piston type
Relief Valve Setting4,977 psi
Raise Time11.2 sec
Dump Time2 sec
Lower Time4.8 sec
Hydraulic PumpPiston pump
Steering System Capacity83.3 gpm
BoomRaise, hold, lower, and float
BucketTilt-back, hold, and dump
Final Drive
Reduction GearSpiral bevel gear
Differential GearStraight bevel gear
Final Reduction GearPlanetary gear
Brakes
Parking BrakeDry disc brake
Service BrakeHydraulically actuated, wet disc brakes actuate on four wheels
Emergency BrakeParking brake is commonly used
Additional specifications
Number Of Cylinders12
Bore5.6 in
Stroke6.5 in
Transmission TypeFull-powershift, planetary gear
Hydraulic System191.6 gal
Drive SystemFour-wheel drive
FrontFixed, full-floating
RearCenter-pin support, full-floating, 22˚ total oscillation
Standard Fitment Size45/65-45-58PR-L-5 tubeless

Source

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