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Komatsu WA500-8 Yard Loader

Configuration: Yard loader arrangement, loose material bucket with bolt-on cutting edge, 6.3 m³ heaped; 875/65R29 tires, ROPS cab; EPA Tier 4 Final

25 sourced values · Sources: Komatsu WA500-8 Yard Loader brochure, EN-WA500-8-YardLoader-BR01-0626-V4 (© 2025, EPA Tier 4 Final). Retrieved 2026-10-25

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Dimension diagram

A B C D E F Side viewFront view Schematic, not to scale
AOverall length10,035 mm
BOverall height3,785 mm
CWheelbase3,780 mm
DGround clearance450 mm
EOverall width3,400 mm
FTrack gauge / tread2,420 mm

Weights

SpecValueSource
Operating weight37,353 kg
Published: 37,353 kg
Komatsu WA500-8 Yard Loader brochure, EN-WA500-8-YardLoader-BR01-0626-V4 (© 2025, EPA Tier 4 Final). Retrieved 2026-10-25
Loose material bucket; includes lubricant, coolant, full fuel, ROPS cab, operator (82,349 lb).

Dimensions

SpecValueSource
Overall length10,035 mm
Published: 10,035 mm
Komatsu WA500-8 Yard Loader brochure, EN-WA500-8-YardLoader-BR01-0626-V4 (© 2025, EPA Tier 4 Final). Retrieved 2026-10-25
Overall length, bucket on ground (32'11").
Overall width3,400 mm
Published: 3,400 mm
Komatsu WA500-8 Yard Loader brochure, EN-WA500-8-YardLoader-BR01-0626-V4 (© 2025, EPA Tier 4 Final). Retrieved 2026-10-25
Bucket width. Width over tires 3,302 mm.
Overall height3,785 mm
Published: 3,785 mm
Komatsu WA500-8 Yard Loader brochure, EN-WA500-8-YardLoader-BR01-0626-V4 (© 2025, EPA Tier 4 Final). Retrieved 2026-10-25
Dim. G, overall height, ROPS cab (12'5"). Top of stack 3,665 mm.
Wheelbase3,780 mm
Published: 3,780 mm
Komatsu WA500-8 Yard Loader brochure, EN-WA500-8-YardLoader-BR01-0626-V4 (© 2025, EPA Tier 4 Final). Retrieved 2026-10-25
Dim. A.
Track gauge / tread2,420 mm
Published: 2,420 mm
Komatsu WA500-8 Yard Loader brochure, EN-WA500-8-YardLoader-BR01-0626-V4 (© 2025, EPA Tier 4 Final). Retrieved 2026-10-25
Tread.
Ground clearance450 mm
Published: 450 mm
Komatsu WA500-8 Yard Loader brochure, EN-WA500-8-YardLoader-BR01-0626-V4 (© 2025, EPA Tier 4 Final). Retrieved 2026-10-25
Dim. D.
Turning radius7,050 mm
Published: 7,050 mm
Komatsu WA500-8 Yard Loader brochure, EN-WA500-8-YardLoader-BR01-0626-V4 (© 2025, EPA Tier 4 Final). Retrieved 2026-10-25
Minimum, at centre of outside tire. (23'2").

Undercarriage / tires

SpecValueSource
Undercarriage typeWheeled, articulated
Published: Wheeled, articulated
Komatsu WA500-8 Yard Loader brochure, EN-WA500-8-YardLoader-BR01-0626-V4 (© 2025, EPA Tier 4 Final). Retrieved 2026-10-25
Articulated, fully hydraulic power steering; 36° each direction (40° to end stop).
Number of axles2
Published: 2
Komatsu WA500-8 Yard Loader brochure, EN-WA500-8-YardLoader-BR01-0626-V4 (© 2025, EPA Tier 4 Final). Retrieved 2026-10-25
Wheels (count)4
Published: 4
Komatsu WA500-8 Yard Loader brochure, EN-WA500-8-YardLoader-BR01-0626-V4 (© 2025, EPA Tier 4 Final). Retrieved 2026-10-25
Four-wheel drive.
Tire size875/65R29
Published: 875/65R29
Komatsu WA500-8 Yard Loader brochure, EN-WA500-8-YardLoader-BR01-0626-V4 (© 2025, EPA Tier 4 Final). Retrieved 2026-10-25
Dimensions measured with 875/65-R29 tires; travel speeds measured with 29.5-25 tires.

Ground pressure

SpecValueSource
Ground pressureNot publishedKomatsu WA500-8 Yard Loader brochure, EN-WA500-8-YardLoader-BR01-0626-V4 (© 2025, EPA Tier 4 Final). Retrieved 2026-10-25
Not published in the brochure.

Axle loads

SpecValueSource
Axle load, front (unladen/operating)Not publishedKomatsu WA500-8 Yard Loader brochure, EN-WA500-8-YardLoader-BR01-0626-V4 (© 2025, EPA Tier 4 Final). Retrieved 2026-10-25
Not published in the brochure.
Axle load, rear (unladen/operating)Not publishedKomatsu WA500-8 Yard Loader brochure, EN-WA500-8-YardLoader-BR01-0626-V4 (© 2025, EPA Tier 4 Final). Retrieved 2026-10-25
Not published in the brochure.

Engine

SpecValueSource
Engine modelKomatsu SAA6D140E-7
Published: Komatsu SAA6D140E-7
Komatsu WA500-8 Yard Loader brochure, EN-WA500-8-YardLoader-BR01-0626-V4 (© 2025, EPA Tier 4 Final). Retrieved 2026-10-25
EPA Tier 4 Final.
Net power263 kW
Published: 263 kW
Komatsu WA500-8 Yard Loader brochure, EN-WA500-8-YardLoader-BR01-0626-V4 (© 2025, EPA Tier 4 Final). Retrieved 2026-10-25
ISO 9249 / SAE J1349 (353 HP) at 1,900 rpm.
Gross power266 kW
Published: 266 kW
Komatsu WA500-8 Yard Loader brochure, EN-WA500-8-YardLoader-BR01-0626-V4 (© 2025, EPA Tier 4 Final). Retrieved 2026-10-25
SAE J1995 (357 HP).
Displacement15.24 L
Published: 15.24 L
Komatsu WA500-8 Yard Loader brochure, EN-WA500-8-YardLoader-BR01-0626-V4 (© 2025, EPA Tier 4 Final). Retrieved 2026-10-25
Rated speed1,900 rpm
Published: 1,900 rpm
Komatsu WA500-8 Yard Loader brochure, EN-WA500-8-YardLoader-BR01-0626-V4 (© 2025, EPA Tier 4 Final). Retrieved 2026-10-25

Hydraulics

SpecValueSource
Pump / aux flow320 L/min
Published: 320 L/min
Komatsu WA500-8 Yard Loader brochure, EN-WA500-8-YardLoader-BR01-0626-V4 (© 2025, EPA Tier 4 Final). Retrieved 2026-10-25
Loader control pump, piston, at rated rpm (84.8 gpm). Steering pump 120 L/min not included.
System / relief pressure34.3 MPa
Published: 34.3 MPa
Komatsu WA500-8 Yard Loader brochure, EN-WA500-8-YardLoader-BR01-0626-V4 (© 2025, EPA Tier 4 Final). Retrieved 2026-10-25
Loader control relief valve setting (4,980 psi). Steering 24.5 MPa.

Performance

SpecValueSource
Max travel speed35.5 km/h
Published: 35.5 km/h
Komatsu WA500-8 Yard Loader brochure, EN-WA500-8-YardLoader-BR01-0626-V4 (© 2025, EPA Tier 4 Final). Retrieved 2026-10-25
4th forward, P-mode, measured with 29.5-25 tires (22.1 mph); 37.3 km/h with lock-up clutch on.
Bucket capacity6.3 m³
Published: 6.3 m³
Komatsu WA500-8 Yard Loader brochure, EN-WA500-8-YardLoader-BR01-0626-V4 (© 2025, EPA Tier 4 Final). Retrieved 2026-10-25
Heaped (8.2 yd³). Struck 5.3 m³.
Tipping load23,791 kg
Published: 23,791 kg
Komatsu WA500-8 Yard Loader brochure, EN-WA500-8-YardLoader-BR01-0626-V4 (© 2025, EPA Tier 4 Final). Retrieved 2026-10-25
Static, 40° full turn (52,450 lb). Straight: 27,840 kg.
Breakout / digging force266 kN
Published: 266 kN
Komatsu WA500-8 Yard Loader brochure, EN-WA500-8-YardLoader-BR01-0626-V4 (© 2025, EPA Tier 4 Final). Retrieved 2026-10-25
27,124 kg (59,799 lb).
Dump height / clearance3,210 mm
Published: 3,210 mm
Komatsu WA500-8 Yard Loader brochure, EN-WA500-8-YardLoader-BR01-0626-V4 (© 2025, EPA Tier 4 Final). Retrieved 2026-10-25
Dumping clearance at max. height and 45° dump angle, to end of BOCE (10'6"); reach 1,585 mm.
Lift / hinge-pin height4,755 mm
Published: 4,755 mm
Komatsu WA500-8 Yard Loader brochure, EN-WA500-8-YardLoader-BR01-0626-V4 (© 2025, EPA Tier 4 Final). Retrieved 2026-10-25
Dim. B, hinge-pin height at max. height (15'7").

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