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Hitachi ZX345USLC-7H

Configuration: Short tail swing, monoblock boom, 3.11 m arm, 800 mm triple-grouser shoes, 1.25 m³ bucket, 8,680 kg counterweight; EPA Final Tier 4 / EU Stage IV

26 sourced values · Sources: Hitachi ZX345USLC-7H Specifications sheet (US), Global Pub# KS-EN660NA-US-Q, 09/2026, EPA Final Tier 4 / EU Stage IV. 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 length9,980 mm
BOverall height3,560 mm
CTrack length on ground4,050 mm
DGround clearance500 mm
EOverall width3,390 mm
FTrack gauge / tread2,590 mm
GShoe / track width800 mm

Weights

SpecValueSource
Operating weight35,900 kg
Published: 35,900 kg
Hitachi ZX345USLC-7H Specifications sheet (US), Global Pub# KS-EN660NA-US-Q, 09/2026, EPA Final Tier 4 / EU Stage IV. Retrieved 2026-10-25
Incl. 1.25 m³ bucket (1,020 kg) and 8,680 kg counterweight (79,146 lb). 3.76 m arm: 36,000 kg.

Dimensions

SpecValueSource
Overall length9,980 mm
Published: 9,980 mm
Hitachi ZX345USLC-7H Specifications sheet (US), Global Pub# KS-EN660NA-US-Q, 09/2026, EPA Final Tier 4 / EU Stage IV. Retrieved 2026-10-25
Dim. M, 3.11 m arm (32'9").
Overall width3,390 mm
Published: 3,390 mm
Hitachi ZX345USLC-7H Specifications sheet (US), Global Pub# KS-EN660NA-US-Q, 09/2026, EPA Final Tier 4 / EU Stage IV. Retrieved 2026-10-25
Dim. K (11'1").
Overall height3,560 mm
Published: 3,560 mm
Hitachi ZX345USLC-7H Specifications sheet (US), Global Pub# KS-EN660NA-US-Q, 09/2026, EPA Final Tier 4 / EU Stage IV. Retrieved 2026-10-25
Dim. F', top of handrail (11'8"). Cab height 3,150 mm.
Transport height3,350 mm
Published: 3,350 mm
Hitachi ZX345USLC-7H Specifications sheet (US), Global Pub# KS-EN660NA-US-Q, 09/2026, EPA Final Tier 4 / EU Stage IV. Retrieved 2026-10-25
Dim. N, overall height of boom, 3.11 m arm (printed 10'12").
Track gauge / tread2,590 mm
Published: 2,590 mm
Hitachi ZX345USLC-7H Specifications sheet (US), Global Pub# KS-EN660NA-US-Q, 09/2026, EPA Final Tier 4 / EU Stage IV. Retrieved 2026-10-25
Dim. H (8'6").
Track length on ground4,050 mm
Published: 4,050 mm
Hitachi ZX345USLC-7H Specifications sheet (US), Global Pub# KS-EN660NA-US-Q, 09/2026, EPA Final Tier 4 / EU Stage IV. Retrieved 2026-10-25
Dim. A, distance between tumblers (13'3").
Track length (overall)4,970 mm
Published: 4,970 mm
Hitachi ZX345USLC-7H Specifications sheet (US), Global Pub# KS-EN660NA-US-Q, 09/2026, EPA Final Tier 4 / EU Stage IV. Retrieved 2026-10-25
Dim. B, undercarriage length (16'4").
Shoe / track width800 mm
Published: 800 mm
Hitachi ZX345USLC-7H Specifications sheet (US), Global Pub# KS-EN660NA-US-Q, 09/2026, EPA Final Tier 4 / EU Stage IV. Retrieved 2026-10-25
Triple grouser.
Ground clearance500 mm
Published: 500 mm
Hitachi ZX345USLC-7H Specifications sheet (US), Global Pub# KS-EN660NA-US-Q, 09/2026, EPA Final Tier 4 / EU Stage IV. Retrieved 2026-10-25
Dim. G, excluding shoe lug (1'8").
Tail swing radius2,090 mm
Published: 2,090 mm
Hitachi ZX345USLC-7H Specifications sheet (US), Global Pub# KS-EN660NA-US-Q, 09/2026, EPA Final Tier 4 / EU Stage IV. Retrieved 2026-10-25
Dim. D, rear-end swing radius (6'10").

Undercarriage / tires

SpecValueSource
Undercarriage typeCrawler (steel tracks)
Published: Crawler (steel tracks)
Hitachi ZX345USLC-7H Specifications sheet (US), Global Pub# KS-EN660NA-US-Q, 09/2026, EPA Final Tier 4 / EU Stage IV. Retrieved 2026-10-25
Track rollers / shoes per side8 track rollers, 2 carrier rollers, 48 shoes per side
Published: 8 track rollers, 2 carrier rollers, 48 shoes per side
Hitachi ZX345USLC-7H Specifications sheet (US), Global Pub# KS-EN660NA-US-Q, 09/2026, EPA Final Tier 4 / EU Stage IV. Retrieved 2026-10-25

Ground pressure

SpecValueSource
Ground pressure50 kPa
Published: 50 kPa
Hitachi ZX345USLC-7H Specifications sheet (US), Global Pub# KS-EN660NA-US-Q, 09/2026, EPA Final Tier 4 / EU Stage IV. Retrieved 2026-10-25
7.25 psi, 3.11 m arm.

Engine

SpecValueSource
Engine modelIsuzu 6HK1X
Published: Isuzu 6HK1X
Hitachi ZX345USLC-7H Specifications sheet (US), Global Pub# KS-EN660NA-US-Q, 09/2026, EPA Final Tier 4 / EU Stage IV. Retrieved 2026-10-25
EPA Final Tier 4 / EU Stage IV.
Net power186 kW
Published: 186 kW
Hitachi ZX345USLC-7H Specifications sheet (US), Global Pub# KS-EN660NA-US-Q, 09/2026, EPA Final Tier 4 / EU Stage IV. Retrieved 2026-10-25
ISO 9249 (249 HP) at 1,900 min-1.
Gross power197 kW
Published: 197 kW
Hitachi ZX345USLC-7H Specifications sheet (US), Global Pub# KS-EN660NA-US-Q, 09/2026, EPA Final Tier 4 / EU Stage IV. Retrieved 2026-10-25
ISO 14396 (264 HP).
Displacement7.79 L
Published: 7.79 L
Hitachi ZX345USLC-7H Specifications sheet (US), Global Pub# KS-EN660NA-US-Q, 09/2026, EPA Final Tier 4 / EU Stage IV. Retrieved 2026-10-25
Rated speed1,900 rpm
Published: 1,900 rpm
Hitachi ZX345USLC-7H Specifications sheet (US), Global Pub# KS-EN660NA-US-Q, 09/2026, EPA Final Tier 4 / EU Stage IV. Retrieved 2026-10-25

Hydraulics

SpecValueSource
Pump / aux flow683 L/min
Published: 683 L/min
Hitachi ZX345USLC-7H Specifications sheet (US), Global Pub# KS-EN660NA-US-Q, 09/2026, EPA Final Tier 4 / EU Stage IV. Retrieved 2026-10-25
Sum of 3 main pumps: 2 × 236 L/min + 1 × 211 L/min.
System / relief pressure34.3 MPa
Published: 34.3 MPa
Hitachi ZX345USLC-7H Specifications sheet (US), Global Pub# KS-EN660NA-US-Q, 09/2026, EPA Final Tier 4 / EU Stage IV. Retrieved 2026-10-25
Implement circuit (4,974.8 psi); power boost 38.0 MPa.

Performance

SpecValueSource
Max digging depth6,920 mm
Published: 6,920 mm
Hitachi ZX345USLC-7H Specifications sheet (US), Global Pub# KS-EN660NA-US-Q, 09/2026, EPA Final Tier 4 / EU Stage IV. Retrieved 2026-10-25
Dim. B, 3.11 m arm (22'8").
Max reach (at ground)10,640 mm
Published: 10,640 mm
Hitachi ZX345USLC-7H Specifications sheet (US), Global Pub# KS-EN660NA-US-Q, 09/2026, EPA Final Tier 4 / EU Stage IV. Retrieved 2026-10-25
Dim. A', 3.11 m arm (34'11"). Max reach 10,900 mm.
Dump height / clearance8,380 mm
Published: 8,380 mm
Hitachi ZX345USLC-7H Specifications sheet (US), Global Pub# KS-EN660NA-US-Q, 09/2026, EPA Final Tier 4 / EU Stage IV. Retrieved 2026-10-25
Dim. D, 3.11 m arm (27'6").
Breakout / digging force202 kN
Published: 202 kN
Hitachi ZX345USLC-7H Specifications sheet (US), Global Pub# KS-EN660NA-US-Q, 09/2026, EPA Final Tier 4 / EU Stage IV. Retrieved 2026-10-25
Bucket digging force ISO 6015, calculated at power boost (45,411 lbf). Arm crowd 144 kN.
Max travel speed4.1 km/h
Published: 4.1 km/h
Hitachi ZX345USLC-7H Specifications sheet (US), Global Pub# KS-EN660NA-US-Q, 09/2026, EPA Final Tier 4 / EU Stage IV. Retrieved 2026-10-25
High (2.5 mph); low 2.6 km/h.

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