ZX55U-6 Hitachi excavator specs & dimensions (2019 - 2026)

Hitachi ZX55U-6 is a mini excavator manufactured since 2019. It has a weight of 5.14 tons and a track width of 400 mm. The transpo…

Hitachi ZX55U-6 is a mini excavator manufactured since 2019. It has a weight of 5.14 tons and a track width of 400 mm. The transport dimensions are 5.52 meters in length, 2 meters in width, and 2.53 meters in height. The machine features a tear-out force of 36.9 kN, a dredging depth of 3.83 meters, and a maximum horizontal reach of 6.26 meters. The bucket width is 0.5 meters with a capacity of 0.14 cubic meters. Special equipment includes air conditioning, a blade, and rubber tracks.

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ZX55U-6

Years of manufacture: 2019—2026

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Technical specs - ZX55U-6 Hitachi

Specification

Notice: Every data listed is verified by LECTURA Specs team experts. However, incomplete data and mistakes might occur. Contact our team with any change suggestion.

Weight: 5.14 t

Transport length: 5.52 m

Transport width: 2 m

Transport height: 2.53 m

Bucket capacity: 0.14 m³

Bucket width: 0.5 m

Track width: 400 mm

Driver protection: KbR

Max. Reach horizontal: 6.26 m

Dredging depth: 3.83 m

Tear-out force: 36.9 kN

Model series: ZAXIS

Engine manuf.: Yanmar

Engine type: 4TNV88C

Engine power: 27.1 kW

Displacement: 2.189 l

Revolutions at max torque: 1560 rpm

Max. torque: 135.8 Nm

No. of cylinders: 4

Cylinder bore x stroke: 88x90 mm

Emission level: V

More technical details, like: bucket capacity min., bucket capacity max., standard tyres, dimension lxwxh are available in the full technical specs.

Basic model with standard bucket

Special equipment

Track adjustment: No
Rubber track: Yes
Blade: Yes
Aircondition: Yes
Quick hitch hydr.: No
Quick hitch mech.: No

Download datasheets (PDF)

Hitachi ZX55U-6 FAQ

When was the Hitachi ZX55U-6 manufactured?

The Hitachi ZX55U-6 was first produced in 2019.

How much does the Hitachi ZX55U-6 weigh?

The Hitachi ZX55U-6 weighs 5.14 tons.

What are the transport dimensions of the Hitachi ZX55U-6 mini excavator?

The Hitachi ZX55U-6 has a transport length of 5.52 meters, a transport width of 2 meters, and a transport height of 2.53 meters.

What is the track width of the Hitachi ZX55U-6 mini excavator?

The Hitachi ZX55U-6 mini excavator has a track width of 400 mm.

What are the excavation performance specifications of the Hitachi ZX55U-6 mini excavator?

The Hitachi ZX55U-6 mini excavator has a dredging depth of 3.83 meters and a maximum horizontal reach of 6.26 meters.

What is the tear-out force of the Hitachi ZX55U-6?

The Hitachi ZX55U-6 has a tear-out force of 36.9 kN.

What are the specifications of the primary work tool bucket on the Hitachi ZX55U-6 mini excavator?

The Hitachi ZX55U-6 mini excavator has a bucket with a capacity of 0.14 cubic meters and a width of 0.5 meters.

What operator safety features does the Hitachi ZX55U-6 mini excavator have?

The Hitachi ZX55U-6 mini excavator features a cabin with ROPS for driver protection.

How much is a Hitachi ZX55U-6 Mini excavator (2019u20132025) worth?

The residual value of the Hitachi ZX55U-6 depends on the machine's individual parameters. Visit the LECTURA Valuation to check it.

Hitachi ZX55U-6 overview

Hitachi ZX55U-6 features overview

Built to last
Durable features of the ZX55U 6 such as reinforced front joints, improved swing bar and boom cylinder protection ensure reliable performance.They help you get the job done on time and in line with your budget.

Engine / Driveline and transmission

Perfect fit
The ZX55U-6 offers high productivity with reduced fuel consumption and lower emissions, thanks to a powerful Stage V-compliant engine and muffler filter aftertreatment device. Comfort and easy maintenance are also important factors in its design. Very versatile it is ideal for a wide range of projects such as rental, utilities, foundation work, landscaping plus demolitions and building structures indoors.
Efficient productivity
The ZX55U 6 offers high productivity on the job site thanks to a powerful Stage V compliant engine, fast cycle time and efficient hydraulic system. The EGR and muffler filter reduces NOx and particulate matter as well as a common rail system helps the engine run optimally. This not only reduces emissions but also contributes to greater fuel efficiency and lower operating costs.

Hydraulics

Fast cycle time and efficient hydraulics ensure high productivity. Multi-functional LCD monitor displays data at a glance.
Easy operation
The operator-friendly controls are within easy reach of the operator and the hydraulic pilot control levers ensure smooth operation. The blade is 90mm longer than on the previous model, and the distance between tip of bucket and blade is now shorter, which means more material can be collected and less left for the operator to clean manually.

Dimensions and weight

Arm length	1.38 m	1.69 m
A Max. digging reach	5 960	6 260
A’ Max. digging reach (on ground)	5 820	6 130
B Max. digging depth	3 530	3 830
C Max. cutting height	5 750	6 000
D Max. dumping height	4 070	4 310
D’ Min. dumping height	1 720	1 430
E Min. swing radius	2 210	2 300
F Max. vertical wall digging depth	2 810	3 140
G Front height at Min. swing radius	4 380	4 380
H Min. level crowding distance	2 050	1 880
I Working radius at Min. swing radius (Max. boom-swing angle)	1 730	1 810
J Blade bottom highest position above ground	460	460
K Blade bottom lowest position above ground	365	365
L/L’ Offset distance (Max. boom-swing angle)	690 / 850	690 / 850

		Unit: mm
	ZAXIS 55U
A Distance between tumblers	2 000 (1 990)
B Undercarriage length	2 500 (2 490)
*C Counterweight clearance	610 (590)
D Rear-end swing radius	1 000 (1 100 with additional counterweight)
D’ Rear-end length	1 000 (1 100 with additional counterweight)
E Overall width of upperstructure	1 850
F Overall height of cab	2 530
*G Min. ground clearance	340 (320)
H Track gauge	1 600
I Track shoe width	400
J Undercarriage width	2 000
K Overall width (Blade width)	2 000
L Overall length
With 1.38 m arm	5 470
With 1.69 m arm	5 520
*M Overall height of boom
With 1.38 m arm	1 710
With 1.69 m arm	1 880
N Track height	550 (530)
O Engine cover-height	1 590 (1 570)
P Horizontal distance to blade	1910
Q Blade height	375

Conditions	Load point height m	Load radius	At max. reach
1.0 m	2.0 m	3.0 m	4.0 m	5.0 m
												meter
Boom 2.85 m	4.0							*0.99	0.96			*0.78	*0.78	4.40
Arm 1.69 m Additional	3.0							*1.03	0.95	*0.80	0.66	*0.72	0.66	5.03
counterweight	2.0					*1.61	1.42	*1.24	0.92	*1.09	0.65	*0.72	0.59	5.34
200 kg Rubber shoe	1.0					*2.26	1.32	*1.49	0.88	*1.18	0.64	*0.76	0.57	5.41
400 mm	0 (Ground)					*2.52	1.27	*1.64	0.85	*1.23	0.62	*0.87	0.58	5.26
-1.0	*1.81	*1.81	*2.28	*2.28	*2.42	1.26	*1.62	0.84			*1.08	0.65	4.84
	-2.0	*2.82	*2.82	*3.25	2.49	*1.96	1.28	*1.23	0.86			*1.18	0.84	4.07

Conditions	Load point height m	Load radius	At max. reach
1.0 m	2.0 m	3.0 m	4.0 m	5.0 m
												meter
Boom 2.85 m	4.0							*0.99	0.96			*0.78	*0.78	4.40
Arm 1.69 m Additional	3.0							*1.03	0.95	0.79	0.66	*0.72	0.66	5.03
counterweight	2.0					*1.61	1.42	1.10	0.92	0.78	0.65	0.70	0.59	5.34
200 kg Rubber shoe 400 mm	1.0					1.61	1.32	1.05	0.88	0.76	0.64	0.68	0.57	5.41
0 (Ground)					1.56	1.27	1.02	0.85	0.75	0.62	0.70	0.58	5.26
-1.0	*1.81	*1.81	*2.28	*2.28	1.56	1.26	1.01	0.84			0.78	0.65	4.84
-2.0	*2.82	*2.82	*3.25	2.49	1.58	1.28	1.03	0.86			1.01	0.84	4.07

Conditions	Load point	Load radius	At max. reach
1.0 m	2.0 m	3.0 m	4.0 m	5.0 m
height m								C-0					meter
Boom 2.85 m Arm 1.38 m Rubber shoe 400 mm	4.0
3.0					*1.26	*1.26	1.04	0.87			0.80	0.67	4.69
2.0					1.56	1.28	1.00	0.84	0.71	0.60	0.70	0.59	5.03
	1.0					1.47	1.20	0.97	0.80	0.70	0.59	0.68	0.57	5.11
0 (Ground)					1.44	1.17	0.94	0.78			0.70	0.59	4.94
	-1.0			*2.68	2.28	1.44	1.17	0.94	0.78			0.81	0.67	4.49
	-2.0			*2.69	2.33	1.47	1.20					1.12	0.92	3.61

Conditions	Load point height m	Load radius	At max. reach
1.0 m	2.0 m	3.0 m	4.0 m	5.0 m
	C-0								CH-0			meter
Boom 2.85 m	4.0
Arm 1.38 m Rubber shoe 400 mm	3.0					*1.26	*1.26	*1.17	0.87			*0.91	0.67	4.69
2.0					*1.86	1.28	*1.36	0.84	*1.06	0.60	*0.91	0.59	5.03
	1.0					*2.43	1.20	*1.58	0.80	*1.24	0.59	*0.97	0.57	5.11
0 (Ground)					*2.56	1.17	*1.69	0.78			*1.13	0.59	4.94
	-1.0			*2.68	2.38	*2.34	1.17	*1.58	0.78			*1.28	0.67	4.49
	-2.0			*2.69	2.33	*1.73	1.20					*1.25	0.92	3.61

Conditions	Load point height m	Load radius	At max. reach
1.0 m	2.0 m	3.0 m	4.0 m	5.0 m
												meter
Boom 2.85 m	4.0							*0.99	0.94			*0.78	*0.78	4.40
Arm 1.69 m Additional	3.0							*1.03	0.92	0.76	0.64	*0.72	0.64	5.03
counterweight	2.0					*1.61	1.37	1.06	0.89	0.75	0.63	0.68	0.57	5.34
200 kg Rubber shoe 400 mm	1.0					1.56	1.27	1.02	0.85	0.73	0.62	0.65	0.55	5.41
0 (Ground)					1.51	1.23	0.99	0.82	0.72	0.60	0.67	0.56	5.26
-1.0	*1.81	*1.81	*2.28	*2.28	1.50	1.22	0.98	0.81			0.75	0.63	4.84
-2.0	*2.82	*2.82	3.17	2.41	1.53	1.24	1.00	0.83			0.98	0.81	4.07

Conditions	Load point height m	Load radius	At max. reach
1.0 m	2.0 m	3.0 m	4.0 m	5.0 m
												meter
Boom 2.85 m	4.0							*0.99	0.94			*0.78	*0.78	4.40
Arm 1.69 m Additional	3.0							*1.03	0.92	*0.80	0.64	*0.72	0.64	5.03
counterweight	2.0					*1.61	1.37	*1.24	0.89	*1.09	0.63	*0.72	0.57	5.34
200 kg Rubber shoe 400 mm	1.0					*2.26	1.27	*1.49	0.85	*1.18	0.62	*0.76	0.55	5.41
0 (Ground)					*2.52	1.23	*1.64	0.82	*1.23	0.60	*0.87	0.56	5.26
-1.0	*1.81	*1.81	*2.28	*2.28	*2.42	1.22	*1.62	0.81			*1.08	0.63	4.84
	-2.0	*2.82	*2.82	*3.25	2.41	*1.96	1.24	*1.23	0.83			*1.18	0.81	4.07

Conditions	Load point	Load radius	At max. reach
1.0 m	2.0 m	3.0 m	4.0 m	5.0 m
height m													meter
Boom 2.85 m Arm 1.38 m Rubber shoe 400 mm	4.0
3.0					*1.26	*1.26	1.00	0.93			0.77	0.65	4.69
2.0					1.51	1.24	0.97	0.81	0.69	0.58	0.68	0.57	5.03
	1.0					1.42	1.15	0.93	0.77	0.67	0.56	0.65	0.55	5.11
	0 (Ground)					1.39	1.12	0.91	0.75			0.68	0.57	4.94
	-1.0			*2.68	2.20	1.39	1.13	0.91	0.75			0.78	0.65	4.49
	-2.0			*2.69	2.25	1.42	1.16					1.08	0.89	3.61

Conditions	Load point	Load radius	At max. reach
1.0 m	2.0 m	3.0 m	4.0 m	5.0 m
height m													meter
Boom 2.85 m Arm 1.38 m Rubber shoe 400 mm	4.0
3.0					*1.26	*1.26	*1.17	0.84			*0.91	0.65	4.69
2.0					*1.86	1.24	*1.36	0.81	*1.06	0.58	*0.91	0.57	5.03
	1.0					*2.43	1.15	*1.58	0.77	*1.24	0.56	*0.97	0.55	5.11
0 (Ground)					*2.56	1.12	*1.69	0.75			*1.13	0.57	4.94
	-1.0			*2.68	2.20	*2.34	1.13	*1.58	0.75			*1.28	0.65	4.49
	-2.0			*2.69	2.25	*1.73	1.16					*1.25	0.89	3.61

Other features

Ultimate comfort
The spacious cab features a wide operator seat, adjustable arm rest and is easily accessed.
Enhanced durability
LED lights on the cab and boom last longer than halogen alternatives.

A clear view from the cab. LED lights have a longer life than halogen alternatives.
Spacious cab
The ROPS compliant cabin on the ZX55U 6 is spacious and easy to access via entrance. Equipped with a wide and adjustable sliding suspension seat, folding foot pedals and adjustable armrest, the ZX55U 6 offers high comfort for operators.
Enhanced design
The ZX55U 6 is equipped with new LED lights that have a longer life than halogen alternatives for efficient energy use. Options include a sun visor on the front window and an auxiliary function lever with proportional switch to easily control the front attachment. Controls are within easy reach.

Safety

Safety first
The battery disconnect switch is now available as standard for safer and easier maintenance. Maintenance can be performed safely with the battery disconnect switch.

Tables

	Quantity	Bore	Rod diameter	Stroke
Boom	1	95 mm	55 mm	699 mm
Arm	1	80 mm	50 mm	731 mm
Bucket	1	75 mm	45 mm	551 mm
Blade	1	105 mm	50 mm	140 mm
Boom swing	1	90 mm	50 mm	666 mm

Shoe type	Shoe width	Arm length	kg	kPa (kgf/cm2 )
Rubber shoe	400 mm	1.38 m	4 790	27 (0.28)
1.69 m	5 010*	29 (0.29)*
Grouser shoe	400 mm	1.38 m	4 900	28 (0.29)
1.69 m	5 120*	29 (0.30)*
Pad crawler shoe	400 mm	1.38 m	4 960	29 (0.29)
1.69 m	5 180*	30 (0.30)*

Shoe type	Shoe width	Arm length	kg	kPa (kgf/cm2 )
Rubber shoe	400 mm	1.38 m	4 920	28 (0.29)
1.69 m	5 140	29 (0.30)*
Grouser shoe	400 mm	1.38 m	5 030	29 (0.29)
1.69 m	5 250*	30 (0.31)*
Pad crawler shoe	400 mm	1.38 m	5 090	29 (0.30)
1.69 m	5 310*	31 (0.31)*

Fuel tank	70.0 L
Engine coolant	4.7 L
Engine oil	8.6 L
Travel device (each side)	0.9 L
Hydraulic system	66.0 L
Hydraulic oil tank	42.0 L

Arm length	1.38 m	1.69 m
Bucket digging force ISO	36.8 kN (3 750 kgf)	36.9 kN (3 760 kgf)
Bucket digging force SAE : PCSA	32.1 kN (3	270 kgf)
Arm crowd force ISO	24.0 kN (2 450 kgf)	21.0 kN (2 140 kgf)
Arm crowd force SAE : PCSA	22.8 kN (2 330 kgf)	20.1 kN (2 050 kgf)

SOUND LEVEL
Sound level in cab according to ISO 6396	LpA 75 dB(A)
External sound level according to ISO 6395 and
EU Directive 2000/14/EC	LwA 96 dB(A)

UPPER STRUCTURE
Auxiliary flow rate selector	O
Auxiliary function lever (AFL)	O
Auxiliary overload relief valve	O
Batteries 1 x 70 Ah
Batteries 1 x 92 Ah	O
Battery disconnect switch
Electric refuel pump	O
GSM mobile communication system***	O
Pilot accumulator	O
Rearview mirror
Tool box
200 kg additional counterweight	O

CAB
Air conditioner*
AM/FM radio
Anti-slip plate
Armrest
Defroster
Drink holder
Electric horn
Floor mat
Heater
Retractable seat belt
ROPS/OPG cab
Spare power supply 12V (inside)
Spare power supply 12V (outside)	O
Sun visor (front window (rigid type))	O
Suspension seat with reclining (fabric)
Window washer
Wiper

4-PILLAR CANOPY
Anti-slip plate
Armrests
Drink holder
Electric horn
Floor mat
Retractable seat belt
ROPS/OPG canopy
Spare power supply 12V (inside)	O
Suspension seat with reclining (vinyl)

LIGHTS
Additional cab roof front lights	O
Additional 4-pillar canopy roof front lights	O
2 working lights
3 working LED lights
(Boom x 1	cab or 4-pillar canopy roof front x 2)"	O

Assist piping	O
Extra piping
HN bushing
Hose rupture valve for arm
Hose rupture valve for boom
1.38 m arm
1.69 m arm

Boom anti-drift valve
Full-flow filter
Hydraulic pilot type control levers
Pilot control shut-off lever with neutral engine start system
Pilot filter
Suction filter
Swing parking brake
Travel parking brake
Two-speed travel system
Valve for extra piping

ENGINE
Air cleaner double filters	O
Alternator 12V - 55 A
Auto idle system
Cartridge-type engine oil filter
Cartridge-type fule main filter
Dust-proof indoor net
ECO/PWR mode control
Electrical fuel feed pump
Fuel cooler
Fuel pre-filter with water separator
Radiator reserve tank

UNDERCARRIAGE
400 mm grouser shoe	O
400 mm pad crawler shoe
400 mm rubber shoe

Events

Visit Hitachi live at

SteinExpo 2026

Homberg/Nieder-Ofleiden, Germany

September 2 — 5

NordBau 2026

Holstenhallen Neumünster, Germany

September 9 — 13

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Use this service to minimise the risk when buying used equipment. An inspection by Mevas costs less than repairing a defective hydraulic cylinder.

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Transport length:: 5.52 m

Transport width:: 2 m

Transport height:: 2.53 m

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News

Construction News by LECTURA 14.07.2026