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Hitachi ZX345USLC-6 specifications

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Hitachi ZX345USLC-6: excavator.

Selected configuration figures
ConfigurationDocumented field and quantity
ZX345USLC-6
Net Power
249 hp
Main Pump - Maximum Flow
62.4 gpm
ZX345USLC-6 specification matrix — Boom/Stick Option (Hex) 1
SpecificationZX345USLC-6
Max Reach Along Ground29.66 ft
Max Vertical Wall Digging Depth20.15 ft
Max Digging Depth22.71 ft
Arm Digging Force - SAE31,024 lb
Bucket Digging Force - SAE39,342 lb
Boom/Stick Option (Hex) 1Arm Length - 3.11 m (10 ft 2 in)
Max.Dumping Height27.5 ft
Bucket Digging Force - ISO45,411 lb
Arm Digging Force - ISO32,372 lb
Max Digging Reach3.58 ft
Min.Front Swing Radius11.16 ft
Dimensions and weight
SpecificationZX345USLC-6
Ground Clearance1.65 ft
Counterweight Clearance3.81 ft
Undercarriage Overall Length16.21 ft
Cab Height10.6 ft
Undercarriage
SpecificationZX345USLC-6
Max Travel Speed2.55 mph
Number Of Track Rollers Per Side8
Number Of Carrier Rollers Per Side2
Number Of Shoes Per Side49
Drawbar Pull66,990 lb
Electrical System
SpecificationZX345USLC-6
Battery Capacity1400CCA
Alternator Rating50 amp
Voltage24 V
Batteries2
Work Lights5halogen
Cylinders
SpecificationZX345USLC-6
Bore (Boom)4.8 in
Stroke (Boom)49.7 in
Rod Diameter (Boom)3.4 in
Bore (Arm)5.4 in
Stroke (Arm)58.1 in
Rod Diameter (Arm)3.8 in
Bore (Bucket)41.8 in
Stroke (Bucket)2.8 in
Rod Diameter (Bucket)3.2 in
Engine
SpecificationZX345USLC-6
Emissions LevelEPA Final Tier 4 / EU Stage IV
Number Of Cylinders6
Off-Level Capacity70 %
Engine MakeIsuzu
Engine Model6HK1
Net Power249 hp
Power Measured @1,900 rpm
AspirationTurbocharged and charged air cooled
Displacement476 cu in
Capacities
SpecificationZX345USLC-6
Engine Oil With Filter12.7 gal
Swing Drive3.1 gal
Fuel Tank100.4 gal
Hydraulic Tank42.3 gal
Cooling System10.9 gal
Hydraulic System87.2 gal
Swing Mechanism
SpecificationZX345USLC-6
Swing Torque66,749 lb-ft
Swing Speed10.5 rpm
Hydraulic System
SpecificationZX345USLC-6
Main Pump - Maximum Flow62.4 gpm
Hydraulic System TypeOpen center, load sensing
Main Pump Type3 variable-displacement axial-piston pumps
Implement - Operating Pressure5,033 psi
Travel - Operating Pressure5,149 psi
Swing - Operating Pressure4,685 psi
Power Boost - Operating Pressure5,511 psi
ControlsPilot levers
Ratios
FigureZX345USLC-6
Fuel tank per engine horsepower0.40 gal

Hitachi ZX345USLC-6: excavator

Where the ZX345USLC-6 ranks in Hitachi's list — Scope of the captured comparison
BrandEquipment groupCompared entrySort order
HitachiexcavatorZX345USLC-6Descending quantity; 1 is largest
FigureZX345USLC-6RankLowest in lineHighest in line
Engine power249.0 hp2 of 1216.3 hp582.1 hp
Fuel capacity100.4 gal3 of 125.3 gal317.1 gal
Maximum digging depth22.7 ft2 of 126.2 ft30.4 ft

History and service record of ZX345USLC-6

  • Introduction. Hitachi announced the ZX345USLC-6 in a release dated 21 May 2018 as its most powerful reduced-tail-swing excavator in North America, with a full-size cab that Hitachi described as the only one on a reduced-tail-swing machine, aimed at urban renewal work. Hitachi ZX345USLC-6, Construction Equipment Guide, 21 May 2018.
  • Production. LECTURA Specs lists the ZX345USLC-6 as built from 2022, with an earlier 2019 build reference; it is one of the largest ultra-short-swing excavators, using a TRIAS II three-pump hydraulic system for multifunction operation. Hitachi ZX345USLC-6 (2022-2026), LECTURA Specs.
  • Deere-Hitachi. The ZX345USLC-6 brochure is also published by Deere-Hitachi Construction Machinery, the joint venture that sells the Hitachi line in North America. ZX345USLC-6, Deere-Hitachi Construction Machinery brochure.
ZX345USLC-6: dated market and recall observations — Dated listing search
DateListing indexEquipment classNames queriedResult
2026-09-24MachineryTrader (machinerytrader.com)excavatorZX345USLC-6No matching offers in this snapshot
Dated CPSC search
DateDatabaseNames queriedResult
2026-09-24U.S. Consumer Product Safety CommissionHitachi; ZX345USLC-6No matching recall in the stated search

Sources for this page

Evidence classDocument, classification and recorded date
Reference site
Published history
Published history
Published history
Federal agency data

Hitachi ZX345USLC-6: Configuration records

ZX345USLC-6
SpecificationSource figure
Boom/Stick Option (Hex) 1
Max Reach Along Ground29.66 ft
Max Vertical Wall Digging Depth20.15 ft
Max Digging Depth22.71 ft
Bucket Digging Force - SAE39,342 lb
Arm Digging Force - ISO32,372 lb
Arm Digging Force - SAE31,024 lb
Boom/Stick Option (Hex) 1Arm Length - 3.11 m (10 ft 2 in)
Bucket Digging Force - ISO45,411 lb
Max.Dumping Height27.5 ft
Max Digging Reach3.58 ft
Min.Front Swing Radius11.16 ft
Dimensions and weight
Ground Clearance1.65 ft
Counterweight Clearance3.81 ft
Cab Height10.6 ft
Undercarriage Overall Length16.21 ft
Undercarriage
Drawbar Pull66,990 lb
Number Of Carrier Rollers Per Side2
Number Of Shoes Per Side49
Number Of Track Rollers Per Side8
Max Travel Speed2.55 mph
Engine
Number Of Cylinders6
Off-Level Capacity70 %
Engine Model6HK1
Net Power249 hp
Power Measured @1,900 rpm
Displacement476 cu in
AspirationTurbocharged and charged air cooled
Emissions LevelEPA Final Tier 4 / EU Stage IV
Engine MakeIsuzu
Swing Mechanism
Swing Speed10.5 rpm
Swing Torque66,749 lb-ft
Hydraulic System
Implement - Operating Pressure5,033 psi
Travel - Operating Pressure5,149 psi
Swing - Operating Pressure4,685 psi
Power Boost - Operating Pressure5,511 psi
ControlsPilot levers
Main Pump - Maximum Flow62.4 gpm
Hydraulic System TypeOpen center, load sensing
Main Pump Type3 variable-displacement axial-piston pumps
Electrical System
Battery Capacity1400CCA
Alternator Rating50 amp
Voltage24 V
Batteries2
Work Lights5halogen
Cylinders
Bore (Boom)4.8 in
Stroke (Boom)49.7 in
Rod Diameter (Boom)3.4 in
Bore (Arm)5.4 in
Stroke (Arm)58.1 in
Rod Diameter (Arm)3.8 in
Capacities
Engine Oil With Filter12.7 gal
Swing Drive3.1 gal
Fuel Tank100.4 gal
Hydraulic Tank42.3 gal
Cooling System10.9 gal
Additional specifications
Stroke (Bucket)2.8 in
Rod Diameter (Bucket)3.2 in
Hydraulic System87.2 gal

Source

More in Hitachi: ZX50U-3, ZX210-6/ZX210LC-6: regional hydraulics/tools, ZX50U-5/ZX60USB-5: controls/service access/5N changes.