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Komatsu D85EX-18

Configuration: D85EX-18, strengthened semi-U tilt dozer (7 m³) with multi-shank ripper, 660 mm single-grouser shoes, ROPS/FOPS cab; EPA Tier 4 Final

20 sourced values · Sources: Komatsu D85EX/EXi/PX/PXi-18 brochure, EN-D85BR01-0922-V2 (09/2022, EPA Tier 4 Final). Retrieved 2026-10-25

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Dimension diagram

A B C D E F G Side viewFront view Schematic, not to scale
AOverall length7,325 mm
BOverall heightNot published
CTrack length on ground3,050 mm
DGround clearance450 mm
EOverall widthNot published
FTrack gauge / tread2,000 mm
GShoe / track width660 mm

Weights

SpecValueSource
Operating weight30,670 kg
Published: 30,670 kg
Komatsu D85EX/EXi/PX/PXi-18 brochure, EN-D85BR01-0922-V2 (09/2022, EPA Tier 4 Final). Retrieved 2026-10-25
D85EX-18 semi-U; includes blade, full fuel, ROPS/FOPS cab, ripper (67,615 lb).
Shipping / tractor weight26,540 kg
Published: 26,540 kg
Komatsu D85EX/EXi/PX/PXi-18 brochure, EN-D85BR01-0922-V2 (09/2022, EPA Tier 4 Final). Retrieved 2026-10-25
Tractor; blade lift cylinders, 10% fuel, ROPS/FOPS cab, ripper (58,500 lb).

Dimensions

SpecValueSource
Overall length7,325 mm
Published: 7,325 mm
Komatsu D85EX/EXi/PX/PXi-18 brochure, EN-D85BR01-0922-V2 (09/2022, EPA Tier 4 Final). Retrieved 2026-10-25
Dim. A, with dozer and multi-shank ripper.
Overall widthNot publishedKomatsu D85EX/EXi/PX/PXi-18 brochure, EN-D85BR01-0922-V2 (09/2022, EPA Tier 4 Final). Retrieved 2026-10-25
Width over tracks is not printed. Blade width 3,635 mm.
Overall heightNot publishedKomatsu D85EX/EXi/PX/PXi-18 brochure, EN-D85BR01-0922-V2 (09/2022, EPA Tier 4 Final). Retrieved 2026-10-25
Not labelled in the brochure. The dimension table prints C1 3,322 mm, C2 3,498 mm and D 3,290 mm without definitions.
Track gauge / tread2,000 mm
Published: 2,000 mm
Komatsu D85EX/EXi/PX/PXi-18 brochure, EN-D85BR01-0922-V2 (09/2022, EPA Tier 4 Final). Retrieved 2026-10-25
Dim. B.
Track length on ground3,050 mm
Published: 3,050 mm
Komatsu D85EX/EXi/PX/PXi-18 brochure, EN-D85BR01-0922-V2 (09/2022, EPA Tier 4 Final). Retrieved 2026-10-25
Dim. E.
Shoe / track width660 mm
Published: 660 mm
Komatsu D85EX/EXi/PX/PXi-18 brochure, EN-D85BR01-0922-V2 (09/2022, EPA Tier 4 Final). Retrieved 2026-10-25
Dim. G, single grouser standard.
Ground clearance450 mm
Published: 450 mm
Komatsu D85EX/EXi/PX/PXi-18 brochure, EN-D85BR01-0922-V2 (09/2022, EPA Tier 4 Final). Retrieved 2026-10-25

Undercarriage / tires

SpecValueSource
Undercarriage typeCrawler (steel tracks)
Published: Crawler (steel tracks)
Komatsu D85EX/EXi/PX/PXi-18 brochure, EN-D85BR01-0922-V2 (09/2022, EPA Tier 4 Final). Retrieved 2026-10-25
Track rollers / shoes per side7 track rollers per side, 41 shoes per side
Published: 7 track rollers per side, 41 shoes per side
Komatsu D85EX/EXi/PX/PXi-18 brochure, EN-D85BR01-0922-V2 (09/2022, EPA Tier 4 Final). Retrieved 2026-10-25
Carrier roller count not published.

Ground pressure

SpecValueSource
Ground pressure65 kPa
Published: 65 kPa
Komatsu D85EX/EXi/PX/PXi-18 brochure, EN-D85BR01-0922-V2 (09/2022, EPA Tier 4 Final). Retrieved 2026-10-25
ISO 16754, semi-U tilt dozer with ripper (0.66 kg/cm², 9.5 psi).

Engine

SpecValueSource
Engine modelKomatsu SAA6D125E-7
Published: Komatsu SAA6D125E-7
Komatsu D85EX/EXi/PX/PXi-18 brochure, EN-D85BR01-0922-V2 (09/2022, EPA Tier 4 Final). Retrieved 2026-10-25
EPA Tier 4 Final.
Net power197 kW
Published: 197 kW
Komatsu D85EX/EXi/PX/PXi-18 brochure, EN-D85BR01-0922-V2 (09/2022, EPA Tier 4 Final). Retrieved 2026-10-25
ISO 9249 / SAE J1349 (264 HP).
Gross power199 kW
Published: 199 kW
Komatsu D85EX/EXi/PX/PXi-18 brochure, EN-D85BR01-0922-V2 (09/2022, EPA Tier 4 Final). Retrieved 2026-10-25
SAE J1995 (267 HP).
Displacement11.04 L
Published: 11.04 L
Komatsu D85EX/EXi/PX/PXi-18 brochure, EN-D85BR01-0922-V2 (09/2022, EPA Tier 4 Final). Retrieved 2026-10-25
Rated speed1,900 rpm
Published: 1,900 rpm
Komatsu D85EX/EXi/PX/PXi-18 brochure, EN-D85BR01-0922-V2 (09/2022, EPA Tier 4 Final). Retrieved 2026-10-25

Hydraulics

SpecValueSource
Pump / aux flow331 L/min
Published: 331 L/min
Komatsu D85EX/EXi/PX/PXi-18 brochure, EN-D85BR01-0922-V2 (09/2022, EPA Tier 4 Final). Retrieved 2026-10-25
At rated engine rpm (87.4 US gal/min).
System / relief pressure22.6 MPa
Published: 22.6 MPa
Komatsu D85EX/EXi/PX/PXi-18 brochure, EN-D85BR01-0922-V2 (09/2022, EPA Tier 4 Final). Retrieved 2026-10-25
3,270 psi.

Performance

SpecValueSource
Blade capacity7 m³
Published: 7 m³
Komatsu D85EX/EXi/PX/PXi-18 brochure, EN-D85BR01-0922-V2 (09/2022, EPA Tier 4 Final). Retrieved 2026-10-25
Strengthened semi-U tilt dozer, SAE J1265 (9.2 yd³).
Blade / moldboard width3,635 mm
Published: 3,635 mm
Komatsu D85EX/EXi/PX/PXi-18 brochure, EN-D85BR01-0922-V2 (09/2022, EPA Tier 4 Final). Retrieved 2026-10-25
Blade height printed as "160" mm (typo); imperial 5'3".
Max travel speed10.1 km/h
Published: 10.1 km/h
Komatsu D85EX/EXi/PX/PXi-18 brochure, EN-D85BR01-0922-V2 (09/2022, EPA Tier 4 Final). Retrieved 2026-10-25
3rd forward (6.3 mph); 3rd reverse 13.0 km/h.

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