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Komatsu PC390LC-11

Configuration: PC390LC-11 (non-iMC), 800 mm triple-grouser shoes (standard), 6,500 mm one-piece HD boom, 3,185 mm arm, 1.96 m³ SAE heaped bucket; EPA Tier 4 Final

26 sourced values · Sources: Komatsu PC390LC-11/PC390LCi-11 full brochure, EN-PC390LC-LCi-11-FB01-1022-V1 (10/2022, 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 length11,170 mm
BOverall height3,363 mm
CTrack length on ground4,350 mm
DGround clearance551 mm
EOverall width3,540 mm
FTrack gauge / tread2,740 mm
GShoe / track width800 mm

Weights

SpecValueSource
Operating weight40,359 kg
Published: 40,359 kg
Komatsu PC390LC-11/PC390LCi-11 full brochure, EN-PC390LC-LCi-11-FB01-1022-V1 (10/2022, EPA Tier 4 Final). Retrieved 2026-10-25
800 mm triple grouser (88,976 lb). 700 mm: 39,856 kg; 900 mm: 40,796 kg.

Dimensions

SpecValueSource
Overall length11,170 mm
Published: 11,170 mm
Komatsu PC390LC-11/PC390LCi-11 full brochure, EN-PC390LC-LCi-11-FB01-1022-V1 (10/2022, EPA Tier 4 Final). Retrieved 2026-10-25
Dim. A, 3,185 mm arm.
Overall width3,540 mm
Published: 3,540 mm
Komatsu PC390LC-11/PC390LCi-11 full brochure, EN-PC390LC-LCi-11-FB01-1022-V1 (10/2022, EPA Tier 4 Final). Retrieved 2026-10-25
Dim. N, width of crawler with 800 mm shoes. Overall width D 3,640 mm is printed with the 900 mm shoe dimension set; upper width 3,145 mm.
Overall height3,363 mm
Published: 3,363 mm
Komatsu PC390LC-11/PC390LCi-11 full brochure, EN-PC390LC-LCi-11-FB01-1022-V1 (10/2022, EPA Tier 4 Final). Retrieved 2026-10-25
Dim. F, to top of handrail. Top of cab (E) 3,262 mm.
Transport height3,420 mm
Published: 3,420 mm
Komatsu PC390LC-11/PC390LCi-11 full brochure, EN-PC390LC-LCi-11-FB01-1022-V1 (10/2022, EPA Tier 4 Final). Retrieved 2026-10-25
Dim. C, to top of boom, 3,185 mm arm.
Track gauge / tread2,740 mm
Published: 2,740 mm
Komatsu PC390LC-11/PC390LCi-11 full brochure, EN-PC390LC-LCi-11-FB01-1022-V1 (10/2022, EPA Tier 4 Final). Retrieved 2026-10-25
Dim. M.
Track length on ground4,350 mm
Published: 4,350 mm
Komatsu PC390LC-11/PC390LCi-11 full brochure, EN-PC390LC-LCi-11-FB01-1022-V1 (10/2022, EPA Tier 4 Final). Retrieved 2026-10-25
Dim. K.
Track length (overall)5,357 mm
Published: 5,357 mm
Komatsu PC390LC-11/PC390LCi-11 full brochure, EN-PC390LC-LCi-11-FB01-1022-V1 (10/2022, EPA Tier 4 Final). Retrieved 2026-10-25
Dim. L.
Shoe / track width800 mm
Published: 800 mm
Komatsu PC390LC-11/PC390LCi-11 full brochure, EN-PC390LC-LCi-11-FB01-1022-V1 (10/2022, EPA Tier 4 Final). Retrieved 2026-10-25
Standard triple grouser; the dimension drawing lists 900 mm (Dim. O).
Ground clearance551 mm
Published: 551 mm
Komatsu PC390LC-11/PC390LCi-11 full brochure, EN-PC390LC-LCi-11-FB01-1022-V1 (10/2022, EPA Tier 4 Final). Retrieved 2026-10-25
Dim. I, minimum. Counterweight clearance 1,320 mm.
Tail swing radius3,445 mm
Published: 3,445 mm
Komatsu PC390LC-11/PC390LCi-11 full brochure, EN-PC390LC-LCi-11-FB01-1022-V1 (10/2022, EPA Tier 4 Final). Retrieved 2026-10-25
Dim. J.

Undercarriage / tires

SpecValueSource
Undercarriage typeCrawler (steel tracks)
Published: Crawler (steel tracks)
Komatsu PC390LC-11/PC390LCi-11 full brochure, EN-PC390LC-LCi-11-FB01-1022-V1 (10/2022, EPA Tier 4 Final). Retrieved 2026-10-25
Track rollers / shoes per side8 track rollers, 2 carrier rollers, 49 shoes per side
Published: 8 track rollers, 2 carrier rollers, 49 shoes per side
Komatsu PC390LC-11/PC390LCi-11 full brochure, EN-PC390LC-LCi-11-FB01-1022-V1 (10/2022, EPA Tier 4 Final). Retrieved 2026-10-25

Ground pressure

SpecValueSource
Ground pressure≈ 53 kPa
Published: 0.54 kgf/cm²
Komatsu PC390LC-11/PC390LCi-11 full brochure, EN-PC390LC-LCi-11-FB01-1022-V1 (10/2022, EPA Tier 4 Final). Retrieved 2026-10-25
ISO 16754, 800 mm (7.63 psi).

Engine

SpecValueSource
Engine modelKomatsu SAA6D114E-6
Published: Komatsu SAA6D114E-6
Komatsu PC390LC-11/PC390LCi-11 full brochure, EN-PC390LC-LCi-11-FB01-1022-V1 (10/2022, EPA Tier 4 Final). Retrieved 2026-10-25
EPA Tier 4 Final.
Net power192 kW
Published: 192 kW
Komatsu PC390LC-11/PC390LCi-11 full brochure, EN-PC390LC-LCi-11-FB01-1022-V1 (10/2022, EPA Tier 4 Final). Retrieved 2026-10-25
ISO 9249 / SAE J1349 (257 HP).
Gross power202 kW
Published: 202 kW
Komatsu PC390LC-11/PC390LCi-11 full brochure, EN-PC390LC-LCi-11-FB01-1022-V1 (10/2022, EPA Tier 4 Final). Retrieved 2026-10-25
SAE J1995 (271 HP).
Displacement8.85 L
Published: 8.85 L
Komatsu PC390LC-11/PC390LCi-11 full brochure, EN-PC390LC-LCi-11-FB01-1022-V1 (10/2022, EPA Tier 4 Final). Retrieved 2026-10-25
Rated speed1,950 rpm
Published: 1,950 rpm
Komatsu PC390LC-11/PC390LCi-11 full brochure, EN-PC390LC-LCi-11-FB01-1022-V1 (10/2022, EPA Tier 4 Final). Retrieved 2026-10-25

Hydraulics

SpecValueSource
Pump / aux flow535 L/min
Published: 535 L/min
Komatsu PC390LC-11/PC390LCi-11 full brochure, EN-PC390LC-LCi-11-FB01-1022-V1 (10/2022, EPA Tier 4 Final). Retrieved 2026-10-25
Main variable pumps, max flow (141.3 gal/min).
System / relief pressure37.3 MPa
Published: 37.3 MPa
Komatsu PC390LC-11/PC390LCi-11 full brochure, EN-PC390LC-LCi-11-FB01-1022-V1 (10/2022, EPA Tier 4 Final). Retrieved 2026-10-25
Implement and travel circuits (5,400 psi).

Performance

SpecValueSource
Max digging depth7,265 mm
Published: 7,265 mm
Komatsu PC390LC-11/PC390LCi-11 full brochure, EN-PC390LC-LCi-11-FB01-1022-V1 (10/2022, EPA Tier 4 Final). Retrieved 2026-10-25
Dim. C, 3,185 mm arm. 4,020 mm arm: 8,100 mm.
Max reach (at ground)10,870 mm
Published: 10,870 mm
Komatsu PC390LC-11/PC390LCi-11 full brochure, EN-PC390LC-LCi-11-FB01-1022-V1 (10/2022, EPA Tier 4 Final). Retrieved 2026-10-25
Dim. G, 3,185 mm arm. Max digging reach 11,100 mm.
Dump height / clearance7,155 mm
Published: 7,155 mm
Komatsu PC390LC-11/PC390LCi-11 full brochure, EN-PC390LC-LCi-11-FB01-1022-V1 (10/2022, EPA Tier 4 Final). Retrieved 2026-10-25
Dim. B, 3,185 mm arm. Max digging height 10,260 mm.
Breakout / digging force228 kN
Published: 228 kN
Komatsu PC390LC-11/PC390LCi-11 full brochure, EN-PC390LC-LCi-11-FB01-1022-V1 (10/2022, EPA Tier 4 Final). Retrieved 2026-10-25
Bucket digging force at power max, ISO. SAE 200 kN; arm crowd ISO 171 kN.
Max travel speed4.3 km/h
Published: 4.3 km/h
Komatsu PC390LC-11/PC390LCi-11 full brochure, EN-PC390LC-LCi-11-FB01-1022-V1 (10/2022, EPA Tier 4 Final). Retrieved 2026-10-25
High; mid 3.5, low 2.8 km/h.

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