Machine models

Hitachi EX12-2 and 5 related models specifications

Entries in this reference
Listing-entry count
6
Short answer

Hitachi EX12-2 and 5 related models: excavators.

Selected configuration figures
ConfigurationDocumented field and quantity
EX12-2
Net Power
16.3 hp
Operating Weight
2,976 lb
ZX8-2
Net Power
12.8 hp
Operating Weight
2,425 lb
ZX10U-2
Net Power
12.8 hp
Operating Weight
2,447 lb
ZX17U-5
Net Power
14.5 hp
Auxiliary Hydraulic Flow
7.9 gpm
ZX22U-2
Net Power
19.6 hp
Operating Weight
4,872 lb
ZX26U-5
Net Power
20 hp
Auxiliary Hydraulic Flow
12.2 gpm
EX12-2 and 5 related models specification matrix — Listing labels reported by the source
Publisher nameSource guideListing-entry countLabels named by the source
HitachiEX12-2 and 5 related models6EX12-2, ZX8-2, ZX10U-2, ZX17U-5, ZX22U-2, and ZX26U-5
Boom/Stick Option (Hex) 1
SpecificationEX12-2ZX8-2ZX10U-2ZX22U-2
Shipping Length Of Unit11.55 ft9.75 ft9.75 ft12.9 ft
Shipping Height Of Unit7.49 ft7.06 ft4.76 ft7.91 ft
Max Loading Height7.19 ft6.73 ft7.29 ft9.42 ft
Max Vertical Wall Digging Depth4.47 ft4.76 ft5.48 ft6.34 ft
SpecificationEX12-2ZX8-2ZX10U-2ZX17U-5ZX22U-2ZX26U-5
Max Cutting Height10.24 ft9.32 ft9.88 ft11.62 ft13.59 ft14.7 ft
Max Digging Depth6.24 ft5.25 ft5.84 ft7.19 ft7.62 ft8.6 ft
Boom/Stick Option (Hex) 1
Boom length
1640mm
Stick length
840mm
Boom length
1350mm
Stick length
700mm
Boom length
1460mm
Stick length
810mm
0.93-m (3 ft 1 in) Standard Arm
Boom length
1880mm
Stick length
1000mm
1.17-m (3 ft 10 in) Standard Arm - Canopy
SpecificationEX12-2
Max Reach Along Ground11.26 ft
SpecificationZX17U-5ZX26U-5
Max.Dumping Height8.24 ft10.6 ft
Minimum Swing Radius60.24 in75.6 in
Max Digging Reach12.5 ft15.2 ft
Dimensions and weight
SpecificationEX12-2ZX8-2ZX10U-2ZX22U-2
Width To Outside Of Tracks3.15 ft2.99 ft3.29 ft4.76 ft
Length Of Track On Ground3.37 ft2.96 ft3.42 ft4.83 ft
Height To Top Of Cab7.49 ft7.06 ft7.06 ft7.91 ft
SpecificationEX12-2ZX8-2ZX10U-2ZX17U-5ZX22U-2ZX26U-5
Ground Clearance0.78 ft0.43 ft0.43 ft0.55 ft0.97 ft0.99 ft
Tail Swing Radius3.48 ft3.58 ft2.73 ft2.24 ft2.38 ft2.63 ft
SpecificationEX12-2ZX22U-2
Removal Counterweight Clearance1.46 ft1.68 ft
SpecificationZX17U-5ZX26U-5
Counterweight Clearance1.48 ft1.74 ft
Blade Width4.2 ft4.93 ft
Overall Height7.81 ft7.98 ft
Track Shoe Width0.76 ft0.99 ft
Undercarriage
SpecificationEX12-2ZX8-2ZX10U-2ZX22U-2
Shoe Size9.06 in7.09 in7.09 in9.85 in
Track Gauge3.37 ft2.4 ft2.7 ft3.94 ft
Number Of Track Rollers Per Side3233
Max Travel Speed1.37 mph2.49 mph2.49 mph2.74 mph
SpecificationEX12-2ZX8-2ZX10U-2ZX17U-5ZX22U-2
Ground Pressure3.78 psi3.78 psi3.49 psi3.9 psi3.78 psi
SpecificationZX17U-5
Rear Overhang1.58 in
Counterweight, Standard264.56 lb
SpecificationZX17U-5ZX26U-5
Tracks, Rubber9.06 in11.82 in
SpecificationZX26U-5
Cab Rubber Track3.8 psi
Canopy Rubber Track3.6 psi
Engine
SpecificationEX12-2ZX8-2ZX10U-2ZX22U-2
Number Of Cylinders3333
Max Torque47 lb-ft37.3 lb-ft37.3 lb-ft48.7 lb-ft
Torque Measured @1,500 rpm1,500 rpm1,500 rpm1,800 rpm
SpecificationEX12-2ZX8-2ZX10U-2ZX17U-5ZX22U-2ZX26U-5
Engine ModelD1105-KA3TNV703TNV703TNV74F3TNV763TNV80F
Net Power16.3 hp12.8 hp12.8 hp14.5 hp19.6 hp20 hp
Power Measured @2,000 rpm2,100 rpm2,100 rpm2,400 rpm2,400 rpm2,500 rpm
Displacement68.6 cu in52.2 cu in52.2 cu in60.5 cu in68.1 cu in77.4 cu in
SpecificationEX12-2
AspirationNatural
SpecificationZX17U-5ZX26U-5
Emission Tier LevelEPA Final Tier 4EPA Final Tier 4
Alternator40 amps40 amps
Operational
SpecificationEX12-2ZX8-2ZX10U-2ZX22U-2
Operating Weight2,976 lb2,425 lb2,447 lb4,872 lb
Fuel Capacity5.3 gal4.3 gal4.3 gal7.7 gal
Cooling System Fluid Capacity1 gal0.9 gal0.9 gal1.2 gal
Hydraulic System Fluid Capacity8 gal4.8 gal4.8 gal10.1 gal
Engine Oil Capacity1.2 gal0.8 gal0.8 gal1.1 gal
Hydraulic System Relief Valve Pressure3,058 psi2,567 psi2,567 psi2,988 psi
Hydraulic Pump Flow Capacity8.1 gpm5.7 gpm5.7 gpm15.3 gpm
SpecificationEX12-2
Operational Voltage12 V
Alternator Supplied Amperage36 amps
SpecificationZX8-2ZX10U-2ZX22U-2
Operating Voltage12 V12 V12 V
SpecificationZX17U-5ZX26U-5
Blade Height10.3 in12.6 in
Swing Mechanism
SpecificationEX12-2ZX8-2ZX10U-2ZX17U-5ZX22U-2ZX26U-5
Swing Speed8.5 rpm8.5 rpm8.5 rpm9.4 rpm9.7 rpm9.1 rpm
SpecificationZX17U-5ZX26U-5
Swing BrakeSpring applied, hydraulically released, automaticSpring applied, hydraulically released, automatic
Buckets
SpecificationEX12-2ZX8-2ZX10U-2ZX22U-2
Reference Bucket Capacity0.1 yd30.1 yd30.1 yd30.1 yd3
SpecificationEX12-2
Minimum Bucket Capacity0.1 yd3
Maximum Bucket Capacity0.1 yd3
SpecificationZX17U-5ZX26U-5
Bucket Digging Force - SAE3,597 lb4,993 lb
Arm Digging Force1,933 lb3,410 lb
Capacities
SpecificationZX17U-5ZX26U-5
Engine Oil With Filter0.9 gal1 gal
Fuel Tank5.3 gal9.1 gal
Hydraulic Tank3.7 gal6.4 gal
Cooling System0.8 gal0.9 gal
Performance
SpecificationZX17U-5ZX26U-5
Travel Speed Low1.5 mph1.9 mph
Travel Speed - High2.7 mph2.8 mph
Hydraulic
SpecificationZX17U-5ZX26U-5
Pump Piston10.2 gpm19.1 gpm
Gear Pump3 gpm4.4 gpm
Hydraulic System
SpecificationZX17U-5ZX26U-5
Auxiliary Hydraulic Flow7.9 gpm12.2 gpm
Boom
SpecificationZX17U-5
Boom Swing Left70 degrees
Boom Swing Right50 degrees
SpecificationZX26U-5
Arm Left70 degrees
Arm Right60 degrees
Weights
SpecificationZX26U-5
Cab6,107 lb
Canopy5,776 lb
Variants — Source comparison annotation
Source guideDiffering-field count reported
EX12-2 and 5 related models74
Ratios
FigureEX12-2ZX8-2ZX10U-2ZX22U-2
Engine horsepower per 1,000 lb of weight5.55.35.24.0
Hydraulic power from the listed pump flow and relief pressure14.5 hp8.5 hp8.5 hp26.7 hp
FigureEX12-2ZX8-2ZX10U-2ZX17U-5ZX22U-2ZX26U-5
Fuel tank per engine horsepower0.33 gal0.34 gal0.34 gal0.37 gal0.39 gal0.45 gal

Hitachi EX12-2 and 5 related models: excavator

EX12-2 and 5 related models: forum references

Dated forum-index scope
Forum indexExact-model queryExact-model title matchesBroader equipment queryBroader title matches
Heavy Equipment Forums and The Farming ForumHitachi excavator0Hitachi excavators11
Used market for the EX12-2 and 5 related models — Dated first-page listing snapshot
Observation dateListing sourceEquipment searchListings
2026-09-24MachineryTraderHitachi excavator9
ModelListedModel yearsLowest askingHighest askingMedian askingMedian hours
ZX10U-242010 to 2018$9,679$18,218$14,2221,195
ZX17U-512017$21,634$21,634$21,634None shown
ZX22U-222009 to 2011None shownNone shownNone shownNone shown
ZX26U-522021$24,832$26,700$25,7661,163
EX12-2 and 5 related models: recall reference — Dated CPSC search
Search dateDatabaseNames queriedSearch result
2026-09-24U.S. Consumer Product Safety CommissionHitachi together with the excavator EX12-2, ZX8-2, ZX10U-2, ZX17U-5No matching recall in this search

Sources for this page

Evidence classDocument, classification and recorded date
Reference site
Reference site
  • Reference site: Hitachi ZX8-2 — RitchieSpecs. Observed 2026-09-24.
Reference site
Reference site
Reference site
Reference site
Forum threads
Forum threads
Used-market listings
Federal agency data

Hitachi EX12-2 and 5 related models: Configuration records

EX12-2
SpecificationSource figure
Boom/Stick Option (Hex) 1
Shipping Length Of Unit11.55 ft
Max Cutting Height10.24 ft
Shipping Height Of Unit7.49 ft
Max Loading Height7.19 ft
Max Reach Along Ground11.26 ft
Max Vertical Wall Digging Depth4.47 ft
Max Digging Depth6.24 ft
Boom/Stick Option (Hex) 1
Boom length
1640mm
Stick length
840mm
Dimensions and weight
Width To Outside Of Tracks3.15 ft
Length Of Track On Ground3.37 ft
Ground Clearance0.78 ft
Height To Top Of Cab7.49 ft
Tail Swing Radius3.48 ft
Removal Counterweight Clearance1.46 ft
Undercarriage
Shoe Size9.06 in
Ground Pressure3.78 psi
Number Of Track Rollers Per Side3
Max Travel Speed1.37 mph
Engine
Number Of Cylinders3
Engine ModelD1105-KA
Net Power16.3 hp
Power Measured @2,000 rpm
Displacement68.6 cu in
Max Torque47 lb-ft
Torque Measured @1,500 rpm
AspirationNatural
Operational
Fuel Capacity5.3 gal
Cooling System Fluid Capacity1 gal
Hydraulic System Fluid Capacity8 gal
Engine Oil Capacity1.2 gal
Operational Voltage12 V
Alternator Supplied Amperage36 amps
Hydraulic System Relief Valve Pressure3,058 psi
Hydraulic Pump Flow Capacity8.1 gpm
Swing Mechanism
Swing Speed8.5 rpm
Buckets
Reference Bucket Capacity0.1 yd3
Minimum Bucket Capacity0.1 yd3
Maximum Bucket Capacity0.1 yd3
Additional specifications
Track Gauge3.37 ft
Operating Weight2,976 lb

Source

ZX8-2
SpecificationSource figure
Boom/Stick Option (Hex) 1
Shipping Length Of Unit9.75 ft
Max Cutting Height9.32 ft
Shipping Height Of Unit7.06 ft
Max Loading Height6.73 ft
Max Vertical Wall Digging Depth4.76 ft
Max Digging Depth5.25 ft
Boom/Stick Option (Hex) 1
Boom length
1350mm
Stick length
700mm
Dimensions and weight
Width To Outside Of Tracks2.99 ft
Length Of Track On Ground2.96 ft
Ground Clearance0.43 ft
Height To Top Of Cab7.06 ft
Tail Swing Radius3.58 ft
Undercarriage
Shoe Size7.09 in
Ground Pressure3.78 psi
Number Of Track Rollers Per Side2
Max Travel Speed2.49 mph
Engine
Number Of Cylinders3
Engine Model3TNV70
Net Power12.8 hp
Power Measured @2,100 rpm
Displacement52.2 cu in
Max Torque37.3 lb-ft
Torque Measured @1,500 rpm
Operational
Fuel Capacity4.3 gal
Cooling System Fluid Capacity0.9 gal
Hydraulic System Fluid Capacity4.8 gal
Engine Oil Capacity0.8 gal
Hydraulic System Relief Valve Pressure2,567 psi
Hydraulic Pump Flow Capacity5.7 gpm
Operating Voltage12 V
Swing Mechanism
Swing Speed8.5 rpm
Buckets
Reference Bucket Capacity0.1 yd3
Additional specifications
Track Gauge2.4 ft
Operating Weight2,425 lb

Source

ZX10U-2
SpecificationSource figure
Boom/Stick Option (Hex) 1
Shipping Length Of Unit9.75 ft
Max Cutting Height9.88 ft
Shipping Height Of Unit4.76 ft
Max Loading Height7.29 ft
Max Vertical Wall Digging Depth5.48 ft
Max Digging Depth5.84 ft
Boom/Stick Option (Hex) 1
Boom length
1460mm
Stick length
810mm
Dimensions and weight
Width To Outside Of Tracks3.29 ft
Length Of Track On Ground3.42 ft
Ground Clearance0.43 ft
Height To Top Of Cab7.06 ft
Tail Swing Radius2.73 ft
Undercarriage
Shoe Size7.09 in
Ground Pressure3.49 psi
Number Of Track Rollers Per Side3
Max Travel Speed2.49 mph
Engine
Number Of Cylinders3
Engine Model3TNV70
Net Power12.8 hp
Power Measured @2,100 rpm
Displacement52.2 cu in
Max Torque37.3 lb-ft
Torque Measured @1,500 rpm
Operational
Fuel Capacity4.3 gal
Cooling System Fluid Capacity0.9 gal
Hydraulic System Fluid Capacity4.8 gal
Engine Oil Capacity0.8 gal
Hydraulic System Relief Valve Pressure2,567 psi
Hydraulic Pump Flow Capacity5.7 gpm
Operating Voltage12 V
Swing Mechanism
Swing Speed8.5 rpm
Buckets
Reference Bucket Capacity0.1 yd3
Additional specifications
Track Gauge2.7 ft
Operating Weight2,447 lb

Source

ZX17U-5
SpecificationSource figure
Boom/Stick Option (Hex) 1
Max Cutting Height11.62 ft
Max Digging Depth7.19 ft
Boom/Stick Option (Hex) 10.93-m (3 ft 1 in) Standard Arm
Max.Dumping Height8.24 ft
Minimum Swing Radius60.24 in
Max Digging Reach12.5 ft
Dimensions and weight
Ground Clearance0.55 ft
Tail Swing Radius2.24 ft
Counterweight Clearance1.48 ft
Blade Width4.2 ft
Overall Height7.81 ft
Track Shoe Width0.76 ft
Undercarriage
Ground Pressure3.9 psi
Rear Overhang1.58 in
Counterweight, Standard264.56 lb
Tracks, Rubber9.06 in
Engine
Engine Model3TNV74F
Net Power14.5 hp
Power Measured @2,400 rpm
Displacement60.5 cu in
Emission Tier LevelEPA Final Tier 4
Alternator40 amps
Operational
Blade Height10.3 in
Swing Mechanism
Swing Speed9.4 rpm
Swing BrakeSpring applied, hydraulically released, automatic
Buckets
Bucket Digging Force - SAE3,597 lb
Arm Digging Force1,933 lb
Capacities
Engine Oil With Filter0.9 gal
Fuel Tank5.3 gal
Hydraulic Tank3.7 gal
Cooling System0.8 gal
Performance
Travel Speed Low1.5 mph
Travel Speed - High2.7 mph
Hydraulic
Pump Piston10.2 gpm
Gear Pump3 gpm
Hydraulic System
Auxiliary Hydraulic Flow7.9 gpm
Boom
Boom Swing Left70 degrees
Boom Swing Right50 degrees

Source

ZX22U-2
SpecificationSource figure
Boom/Stick Option (Hex) 1
Shipping Length Of Unit12.9 ft
Max Cutting Height13.59 ft
Shipping Height Of Unit7.91 ft
Max Loading Height9.42 ft
Max Vertical Wall Digging Depth6.34 ft
Max Digging Depth7.62 ft
Boom/Stick Option (Hex) 1
Boom length
1880mm
Stick length
1000mm
Dimensions and weight
Width To Outside Of Tracks4.76 ft
Length Of Track On Ground4.83 ft
Ground Clearance0.97 ft
Height To Top Of Cab7.91 ft
Tail Swing Radius2.38 ft
Removal Counterweight Clearance1.68 ft
Undercarriage
Shoe Size9.85 in
Ground Pressure3.78 psi
Number Of Track Rollers Per Side3
Max Travel Speed2.74 mph
Engine
Number Of Cylinders3
Engine Model3TNV76
Net Power19.6 hp
Power Measured @2,400 rpm
Displacement68.1 cu in
Max Torque48.7 lb-ft
Torque Measured @1,800 rpm
Operational
Fuel Capacity7.7 gal
Cooling System Fluid Capacity1.2 gal
Hydraulic System Fluid Capacity10.1 gal
Engine Oil Capacity1.1 gal
Hydraulic System Relief Valve Pressure2,988 psi
Hydraulic Pump Flow Capacity15.3 gpm
Operating Voltage12 V
Swing Mechanism
Swing Speed9.7 rpm
Buckets
Reference Bucket Capacity0.1 yd3
Additional specifications
Track Gauge3.94 ft
Operating Weight4,872 lb

Source

ZX26U-5
SpecificationSource figure
Boom/Stick Option (Hex) 1
Max Cutting Height14.7 ft
Max Digging Depth8.6 ft
Boom/Stick Option (Hex) 11.17-m (3 ft 10 in) Standard Arm - Canopy
Max.Dumping Height10.6 ft
Minimum Swing Radius75.6 in
Max Digging Reach15.2 ft
Dimensions and weight
Ground Clearance0.99 ft
Tail Swing Radius2.63 ft
Counterweight Clearance1.74 ft
Blade Width4.93 ft
Overall Height7.98 ft
Track Shoe Width0.99 ft
Undercarriage
Tracks, Rubber11.82 in
Cab Rubber Track3.8 psi
Canopy Rubber Track3.6 psi
Engine
Engine Model3TNV80F
Net Power20 hp
Power Measured @2,500 rpm
Displacement77.4 cu in
Emission Tier LevelEPA Final Tier 4
Alternator40 amps
Operational
Blade Height12.6 in
Swing Mechanism
Swing Speed9.1 rpm
Swing BrakeSpring applied, hydraulically released, automatic
Buckets
Bucket Digging Force - SAE4,993 lb
Arm Digging Force3,410 lb
Capacities
Engine Oil With Filter1 gal
Fuel Tank9.1 gal
Hydraulic Tank6.4 gal
Cooling System0.9 gal
Performance
Travel Speed Low1.9 mph
Travel Speed - High2.8 mph
Hydraulic
Pump Piston19.1 gpm
Gear Pump4.4 gpm
Hydraulic System
Auxiliary Hydraulic Flow12.2 gpm
Boom
Arm Left70 degrees
Arm Right60 degrees
Weights
Cab6,107 lb
Canopy5,776 lb

Source

Compare Hitachi EX12-2, ZX8-2, ZX10U-2, ZX17U-5, ZX22U-2, ZX26U-5
Boom/Stick Option (Hex) 1
SpecificationEX12-2ZX8-2ZX10U-2ZX17U-5ZX22U-2ZX26U-5
Max Cutting Height10.24 ft9.32 ft9.88 ft11.62 ft13.59 ft14.7 ft
Max Digging Depth6.24 ft5.25 ft5.84 ft7.19 ft7.62 ft8.6 ft
Boom/Stick Option (Hex) 1
Boom length
1640mm
Stick length
840mm
Boom length
1350mm
Stick length
700mm
Boom length
1460mm
Stick length
810mm
0.93-m (3 ft 1 in) Standard Arm
Boom length
1880mm
Stick length
1000mm
1.17-m (3 ft 10 in) Standard Arm - Canopy
Dimensions and weight
SpecificationEX12-2ZX8-2ZX10U-2ZX17U-5ZX22U-2ZX26U-5
Ground Clearance0.78 ft0.43 ft0.43 ft0.55 ft0.97 ft0.99 ft
Tail Swing Radius3.48 ft3.58 ft2.73 ft2.24 ft2.38 ft2.63 ft
Engine
SpecificationEX12-2ZX8-2ZX10U-2ZX17U-5ZX22U-2ZX26U-5
Engine ModelD1105-KA3TNV703TNV703TNV74F3TNV763TNV80F
Net Power16.3 hp12.8 hp12.8 hp14.5 hp19.6 hp20 hp
Power Measured @2,000 rpm2,100 rpm2,100 rpm2,400 rpm2,400 rpm2,500 rpm
Displacement68.6 cu in52.2 cu in52.2 cu in60.5 cu in68.1 cu in77.4 cu in
Swing Mechanism
SpecificationEX12-2ZX8-2ZX10U-2ZX17U-5ZX22U-2ZX26U-5
Swing Speed8.5 rpm8.5 rpm8.5 rpm9.4 rpm9.7 rpm9.1 rpm

More in Hitachi: EX15-2/ZX17U-2, EX1100, EX30-2/EX35-2/EX45-2 specs.