FieldSpec
Equipment menu

Machine models

Komatsu WA420-3 Active+ and WA470-3 Active+ specifications

Entries in this reference
Listing-entry count
2
Short answer

Komatsu WA420-3 Active+ and WA470-3 Active+: wheel loaders.

Selected configuration figures
ConfigurationDocumented field and quantity
WA420-3 Active+
Gross Power
220 hp
Operating Weight
44,357 lb
WA470-3 Active+
Gross Power
263 hp
Operating Weight
51,522 lb
WA420-3 Active+ and WA470-3 Active+ specification matrix — Listing labels reported by the source
Publisher nameSource guideListing-entry countLabels named by the source
KomatsuWA420-3 Active+ and WA470-3 Active+2WA420-3 Active+ and WA470-3 Active+
Bucket
SpecificationWA420-3 Active+WA470-3 Active+
Dump Clearance At Max Raise9.96 ft9.85 ft
Bucket Capacity - Heaped4.71 yd35.5 yd3
Bucket Width9.85 ft9.85 ft
Breakout Force41,073 lb40,915 lb
Dimensions and weight
SpecificationWA420-3 Active+WA470-3 Active+
Ground Clearance1.53 ft1.61 ft
Length With Bucket On Ground26.32 ft28.2 ft
Width Over Tires9.45 ft9.47 ft
Height To Top Of Cab11.32 ft11.41 ft
Wheelbase10.83 ft11.16 ft
Hinge Pin - Max Height13.74 ft13.85 ft
Reach At Max Lift And Dump3.34 ft4.19 ft
Engine
SpecificationWA420-3 Active+WA470-3 Active+
Number Of Cylinders66
Engine ModelSAA 6D114 E-1SA6D135E
Gross Power220 hp263 hp
Power Measured @2,200 rpm2,200 rpm
Max Torque663.9 lb-ft773.8 lb-ft
Displacement504.1 cu in674.1 cu in
Torque Measured @1,300 rpm1,400 rpm
SpecificationWA420-3 Active+
AspirationTurbocharged
Operational
SpecificationWA420-3 Active+WA470-3 Active+
Operating Weight44,357 lb51,522 lb
Fuel Capacity89.9 gal103.1 gal
Hydraulic System Fluid Capacity55.5 gal63.5 gal
Engine Oil Fluid Capacity6 gal8.8 gal
Cooling System Fluid Capacity13.3 gal18 gal
Transmission Fluid Capacity15.9 gal13.8 gal
Front Axle/Diff Fluid Capacity15.9 gal17.2 gal
Rear Axle/Diff Fluid Capacity15.9 gal17.2 gal
Static Tipping Weight34,392 lb40,367 lb
Turning Radius19.9 ft20.3 ft
Operating Voltage24 V24 V
Alternator Supplied Amperage50 amps50 amps
Rear Axle Oscillation26 degrees30 degrees
Tire Size26.5 R 2526.5 R25 XHA L3, Michelin
Transmission and speeds
SpecificationWA420-3 Active+WA470-3 Active+
Transmission Typefully automatic 4-speed full powershift with 'kickdown' and 'gear-hold'fully automatic 4-speed full powershift with 'kickdown' and 'gear-hold'
SpecificationWA470-3 Active+
Number Of Forward Gears4
Number Of Reverse Gears4
Max Speed - Forward24.3 mph
Max Speed - Reverse23.4 mph
Hydraulic System
SpecificationWA420-3 Active+WA470-3 Active+
Relief Valve Setting3,046 psi3,046 psi
Pump Flow Capacity86.7 gpm104.9 gpm
Raise Time6.7 sec6.8 sec
Dump Time1.5 sec1.4 sec
Lower Time3.6 sec3.7 sec
Variants — Source comparison annotation
Source guideDiffering-field count reported
WA420-3 Active+ and WA470-3 Active+36
Ratios
FigureWA420-3 Active+WA470-3 Active+
Engine horsepower per 1,000 lb of weight5.05.1
Pump flow per engine horsepower0.39 gpm0.40 gpm
Fuel tank per engine horsepower0.41 gal0.39 gal
Reference directory classification
Equipment groupwheel loader
WA420-3 Active+ and WA470-3 Active+: forum references — Forum-title search
Forum indexEquipment class queriedNames in the searchMatching titles
Heavy Equipment Forumswheel loaderKomatsu and the WA420, WA470 line that the WA420-3 Active+, WA470-3 Active+ belongs to (no title names the exact model)9
Topics named by those titles
Title topicTitles
transmission and drive3
hydraulics2
Topic in the titleThreadsShare of matching threads
transmission and drive333%
hydraulics222%
Used market for the WA420-3 Active+ and WA470-3 Active+ — Dated first-page listing snapshot
Observation dateListing sourceEquipment searchListings
2026-09-24MachineryTraderKomatsu wheel loader8
ModelListedModel yearsLowest askingHighest askingMedian askingMedian hours
WA420-3 Active+21997 to 2000$5,196$9,950$7,573None shown
WA470-3 Active+61997 to 2023$15,000$27,000$25,000None shown
WA420-3 Active+ and WA470-3 Active+: recall reference — Dated CPSC search
Search dateDatabaseNames queriedSearch result
2026-09-24U.S. Consumer Product Safety CommissionKomatsu together with the wheel loader WA420-3 Active+, WA470-3 Active+No 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 — Classification in the linked listing
GuideAs-listed machine class
Komatsu WA420-3 Active+ and WA470-3 Active+wheel loader

Komatsu WA420-3 Active+ and WA470-3 Active+: Configuration records

WA420-3 Active+
SpecificationSource figure
Bucket
Dump Clearance At Max Raise9.96 ft
Bucket Capacity - Heaped4.71 yd3
Dimensions and weight
Ground Clearance1.53 ft
Length With Bucket On Ground26.32 ft
Width Over Tires9.45 ft
Height To Top Of Cab11.32 ft
Wheelbase10.83 ft
Hinge Pin - Max Height13.74 ft
Reach At Max Lift And Dump3.34 ft
Engine
Engine ModelSAA 6D114 E-1
Gross Power220 hp
Displacement504.1 cu in
Power Measured @2,200 rpm
Torque Measured @1,300 rpm
AspirationTurbocharged
Max Torque663.9 lb-ft
Operational
Fuel Capacity89.9 gal
Static Tipping Weight34,392 lb
Turning Radius19.9 ft
Tire Size26.5 R 25
Operating Voltage24 V
Alternator Supplied Amperage50 amps
Hydraulic System Fluid Capacity55.5 gal
Engine Oil Fluid Capacity6 gal
Cooling System Fluid Capacity13.3 gal
Transmission Fluid Capacity15.9 gal
Front Axle/Diff Fluid Capacity15.9 gal
Rear Axle/Diff Fluid Capacity15.9 gal
Rear Axle Oscillation26 degrees
Hydraulic System
Pump Flow Capacity86.7 gpm
Raise Time6.7 sec
Dump Time1.5 sec
Lower Time3.6 sec
Relief Valve Setting3,046 psi
Additional specifications
Bucket Width9.85 ft
Breakout Force41,073 lb
Number Of Cylinders6
Operating Weight44,357 lb
Transmission Typefully automatic 4-speed full powershift with 'kickdown' and 'gear-hold'

Source

WA470-3 Active+
SpecificationSource figure
Bucket
Dump Clearance At Max Raise9.85 ft
Bucket Capacity - Heaped5.5 yd3
Dimensions and weight
Ground Clearance1.61 ft
Length With Bucket On Ground28.2 ft
Width Over Tires9.47 ft
Height To Top Of Cab11.41 ft
Wheelbase11.16 ft
Hinge Pin - Max Height13.85 ft
Reach At Max Lift And Dump4.19 ft
Engine
Engine ModelSA6D135E
Gross Power263 hp
Displacement674.1 cu in
Power Measured @2,200 rpm
Torque Measured @1,400 rpm
Max Torque773.8 lb-ft
Operational
Fuel Capacity103.1 gal
Static Tipping Weight40,367 lb
Turning Radius20.3 ft
Tire Size26.5 R25 XHA L3, Michelin
Operating Voltage24 V
Alternator Supplied Amperage50 amps
Hydraulic System Fluid Capacity63.5 gal
Engine Oil Fluid Capacity8.8 gal
Cooling System Fluid Capacity18 gal
Transmission Fluid Capacity13.8 gal
Front Axle/Diff Fluid Capacity17.2 gal
Rear Axle/Diff Fluid Capacity17.2 gal
Rear Axle Oscillation30 degrees
Transmission and speeds
Number Of Forward Gears4
Number Of Reverse Gears4
Max Speed - Forward24.3 mph
Max Speed - Reverse23.4 mph
Hydraulic System
Pump Flow Capacity104.9 gpm
Raise Time6.8 sec
Dump Time1.4 sec
Lower Time3.7 sec
Relief Valve Setting3,046 psi
Additional specifications
Bucket Width9.85 ft
Breakout Force40,915 lb
Number Of Cylinders6
Operating Weight51,522 lb
Transmission Typefully automatic 4-speed full powershift with 'kickdown' and 'gear-hold'

Source

Compare Komatsu WA420-3 Active+, WA470-3 Active+
Bucket
SpecificationWA420-3 Active+WA470-3 Active+
Dump Clearance At Max Raise9.96 ft9.85 ft
Bucket Capacity - Heaped4.71 yd35.5 yd3
Bucket Width9.85 ft9.85 ft
Breakout Force41,073 lb40,915 lb
Dimensions and weight
SpecificationWA420-3 Active+WA470-3 Active+
Ground Clearance1.53 ft1.61 ft
Length With Bucket On Ground26.32 ft28.2 ft
Width Over Tires9.45 ft9.47 ft
Height To Top Of Cab11.32 ft11.41 ft
Wheelbase10.83 ft11.16 ft
Hinge Pin - Max Height13.74 ft13.85 ft
Reach At Max Lift And Dump3.34 ft4.19 ft
Engine
SpecificationWA420-3 Active+WA470-3 Active+
Number Of Cylinders66
Engine ModelSAA 6D114 E-1SA6D135E
Gross Power220 hp263 hp
Power Measured @2,200 rpm2,200 rpm
Max Torque663.9 lb-ft773.8 lb-ft
Displacement504.1 cu in674.1 cu in
Torque Measured @1,300 rpm1,400 rpm
Operational
SpecificationWA420-3 Active+WA470-3 Active+
Operating Weight44,357 lb51,522 lb
Fuel Capacity89.9 gal103.1 gal
Hydraulic System Fluid Capacity55.5 gal63.5 gal
Engine Oil Fluid Capacity6 gal8.8 gal
Cooling System Fluid Capacity13.3 gal18 gal
Transmission Fluid Capacity15.9 gal13.8 gal
Front Axle/Diff Fluid Capacity15.9 gal17.2 gal
Rear Axle/Diff Fluid Capacity15.9 gal17.2 gal
Static Tipping Weight34,392 lb40,367 lb
Turning Radius19.9 ft20.3 ft
Operating Voltage24 V24 V
Alternator Supplied Amperage50 amps50 amps
Rear Axle Oscillation26 degrees30 degrees
Tire Size26.5 R 2526.5 R25 XHA L3, Michelin
Transmission and speeds
SpecificationWA420-3 Active+WA470-3 Active+
Transmission Typefully automatic 4-speed full powershift with 'kickdown' and 'gear-hold'fully automatic 4-speed full powershift with 'kickdown' and 'gear-hold'
Hydraulic System
SpecificationWA420-3 Active+WA470-3 Active+
Relief Valve Setting3,046 psi3,046 psi
Pump Flow Capacity86.7 gpm104.9 gpm
Raise Time6.7 sec6.8 sec
Dump Time1.5 sec1.4 sec
Lower Time3.6 sec3.7 sec

More in Komatsu: WA430-6–WA500-7, WA380-8: loader hydraulics/steering/modes, W90-3/4 related models specs.