55Z JCB excavator specs & dimensions (2019 - 2026)

JCB 55Z is a mini excavator manufactured since 2019. It has a weight of 5.5 tons and a track width of 400 mm. The transport dimens…

JCB 55Z is a mini excavator manufactured since 2019. It has a weight of 5.5 tons and a track width of 400 mm. The transport dimensions are 5.518 meters in length, 1.95 meters in width, and 2.55 meters in height. The dredging depth is 3.84 meters, and the maximum horizontal reach is 5.66 meters. It comes equipped with a blade and rubber tracks.

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Technical specs - 55Z JCB

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
5.5 t
Transport length
5.518 m
Transport width
1.95 m
Transport height
2.55 m
Track width
400 mm
Max. Reach horizontal
5.66 m
Dredging depth
3.84 m
Engine manuf.
Perkins
Engine type
404D-22
Engine power
35.7 kW
Displacement
2.18 l
Revolutions at max torque
1800 rpm
Max. torque
143 Nm
Emission level
Stage 3A

More technical details, like: bucket capacity, bucket capacity min., bucket capacity max., bucket width, standard tyres, driver protection, tear-out force, model series, dimension lxwxh, no. of cylinders, cylinder bore x stroke are available in the full technical specs.

Basic model with standard bucket

Special equipment

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

Download datasheets (PDF)

JCB 55Z FAQ

When was the JCB 55Z manufactured?

The JCB 55Z was first produced in 2019.

How much does the JCB 55Z mini excavator weigh?

The JCB 55Z mini excavator weighs 5.5 tons.

What are the transport dimensions of the JCB 55Z mini excavator?

The JCB 55Z mini excavator has a transport length of 5.52 meters, a transport width of 1.95 meters, and a transport height of 2.55 meters.

What is the track width of the JCB 55Z mini excavator?

The JCB 55Z mini excavator has a track width of 400 mm.

What are the excavation performance specifications of the JCB 55Z mini excavator?

The JCB 55Z mini excavator has a dredging depth of 3.84 meters and a maximum horizontal reach of 5.66 meters.

How much is a JCB 55Z Mini excavator (2019u20132025) worth?

The residual value of the JCB 55Z depends on the machine's individual parameters. Visit the LECTURA Valuation to check it.

JCB 55Z overview

JCB 55Z features overview

THE LATEST ADDITIONS TO OUR NEW GENERATION NEW GENERATION CONTROL, EFFICIENCY, PERFORMANCE, STRENGTH.
Control, Industry leading digital screen technology lets you customize and store settings put you throughout the control. Efficiency designed to keep running costs low and turn out to be a big business decision. Performance, Designed to give you bigger bucketsand dipper tearout, higher dump height and more lifting capacity. Strength, Designed, it's easy to become the strongest 5-ton machines on the market. Excellent working areas, higher ripping forces and tractive force.
IDEAL MACHINES FOR EFFECTIVE WORK AT CONGESTED & CONFINED JOB SITES
Specially designed to achieve excellent manoeuvrability for access to confined job sites. New generation operator comfort, uncompromising safety and extended Livelink with 24x7 machine monitoring make the machine the ideal choice for customers. These mini-wonders are strategically designed on use in congested jobsites with close access such as building construction, citizen's and municipal work, urban & land infrastructure development, real estate, civil utility applications and much more. Higher operating stability with improved lifting performance. Excellent manoeuvrability u. accessibility at confined worksites.
Digging down.
5 These machines produce dipper disconnect forces of up to 29. 0kn; combined with fast cycle times, this enables unrivalled productivity. By perfect matching on our boom and dipper, we have created optimal digging end geometry so you can easily work and load in confined areas.
Versatility attached.
8 You can now choose from a range of buckets designed to suit the applications, taking into account fuel saving. Our attachments provide ultimate performance.
Comfort and control.
1 These minis feature excellent operator comfort with suspension seat, face fan, storage galore, telephone compartment, stowage net, 12V phone charger, USB port and a cup holder. The entire area is easy and safe to reach via a large door. 2 Innovative new slewing type gas control for simple & precise engine speed control. Simple touch switches have been thoughtfully designed for ease of operation. 3 joystick controlled boom swing & auxiliary circuit for better control of digging end and attachments in confined work sites. 4 Ergonomic electro-hydraulic dozer control with travel speed selection as standard, allows the operator smooth and precise grading control. 5 Optional high performance air conditioning system with 8 vents for higher comfort. 6 heat protection liner provided as standard for comfortable operation in hot & sunny conditions. 7 Thanks to a convenient switch in the cab (optional). Air conditioner optional. 50Z/51R/55Z MINI EXCAVATOR

Engine / Driveline and transmission

New Generation Performance
ZTS and RTS design for greater adaptability in confined areas Low-noise engine & hydraulic performance Excellent engine power & digging forces Boom oscillation & offset function
New Generation Efficiency
Energy saving eco-hydraulics Adapted mode selection: Light, Eco, Heavy & Heavy+ Auto idle drive, a touch idler u. under idling
Industry leading maintenance interval:
Hydraulic oil - 2000 hrs, Engine oil & filters - 500 hrs, Dig final pin lubrication - 500 hrs 50Z/51R/55Z MINI EXCAVATOR
Potent performance.
3 Powerful & fuel efficient Perkins 404D-22 engine; A quiet, 2 litre unit with 48hp (35.7kw) at 2600 rpm and reduced operating costs in a small, efficient package. Also its low noise development enables higher adaptability in densely populated areas. 4 Tracking performance is smooth and precise ensures high dozer capabilities and fast travel times. To increase productivity, our Auto Kickdown engines automatically adjust to changes on site increasing productivity and reducing operator fatigue. 50Z/51R/55Z MINI EXCAVATOR
Dynamic engine design.
1 Control your engine speed with four different power bands to easily tilt through and set for optimal hydraulic flows. These include light, eco-, heavy and heavy plus points that can all be adjusted to suit your job. 2 Activate One-Touch Idle by pressing the new rotary control wheel. Just one more way to reduce engine rpm quickly and economically saving fuel. Our programmable auto idling can be activated between 2 - 30 seconds after inactivity of controls to provide increased fuel efficiency. 3 Our lower idle function means even further reducing revs when the operator's armrest is raised. Fuel economy and noise levels are improved. 4 The patented low pressure return circuit improves fuel consumption again as the pump does not have to overcome high pressure before any jobs can be done. 50Z/51R/55Z MINI EXCAVATOR
At your service.
1 JCB's innovative filtration system extends hydraulic service intervals. It requires a 2000 hour change of hydraulic oil & filter changes at 500 hours in bucket operation. 2 engine oil, oil and fuel filters require replacement at 500 hours: Reduced maintenance costs and increased machine availability.
Operation & performance monitoring
Idle time monitoring helps analyze the extent to which engine was idling. This can be used for better site management to minimize idle hours and save fuel consumption. 50Z/51R/55Z MINI EXCAVATOR Machine use can easily be monitored through information on overall working time with low & high speed modes.

Hydraulics

Hydraulic innovation.
6 A premium hydraulic system with closed centre provides improved flow division for smooth, precise and balanced operation during multi-functioning. 7 Programmable twin auxiliary lines provide high hydraulic flow to operate a range of attachments increasing machine versatility. Auxiliary lines are electrically proportionally controlled and fully adjustable for optimal attachment control.

Environment

SERVICE INTERVALS Every 500hours Every500hours Every 2000hours
3 Graphite impregnated bronze bushes allow world-class greasing intervals of 500 hours.

Tyres / Tracks

New Generation Strength
Heavy duty boom with internal cover plates Heavy duty steel track chain & underframe Four sheet arm design A global quality - Industry best components Mono piece cast kingpost
The toughest form.
1 Heavy duty boom & arm are made of high tensile strength steel reinforced with all critical stress points. Our clean four-plate dipper design provides added structural strength and durability. 2 On our new machines there is no longer any external plastic body panels; instead, they feature a 100% strong pressed steel bodywork. 3 High quality steel track as well as simplified H-frame construction make undercarriages of these minis durable & trust pinning.
Dig end durability.
4 mono-piece cast kingpost features durable, rebusable pivot points to optimise the life of our new machines. It also provides a safe way for all excavator hoses. 5 The Heavy Duty boom cylinder guard gives maximum boom cylinder protection even during toughest operations.
Quality componentry.
6 These minis come with trusted premium manufacturers such as Perkins engines, Nachi and Bosch-Rexroth hydraulic components for higher reliability & durability. 7 Rugged casting bucket linkages ensure greater service life when handling heavy loads. 8 Fold back your cab door and you will see that it fits tightly in counterweight length. This keeps it out of the way throughout machine operation. 9 The hydraulic system features the latest industry technology O-Ring Face Seal (ORFS)Hydraulic fittings provides excellent sealing capabilities. 10 High quality 400mm & 550mm(optional) steel tracks and you'll find they are pre-bore to facilitate applying rubber pads. 50Z/51R/55Z MINI EXCAVATOR
1 & 2
4 The wide-opening steel hood facilitates access to maintenance components from ground level. Opt for a refuelling pump with auto stop function to reduce spills and increase safety. 5 These machines feature colour coded hydraulic hoses for easy identification. 6 An open frame undercarriage with sloped track legs makes cleaning easier. 7 Removing the cab floor is easy to get done, providing access to many major components such as the main control valve coils. 8 For cleaning you can easily remove the floor mat while slip resistant casting profile plates provide safe access and bodywork protection. 9 Information display with service due warnings and key alerts for easy servicing. 50Z/51R/55Z MINI EXCAVATOR

Dimensions and weight

Machine model50Z51R55Z
ASprocket idler centresmm1985
BTrack length on groundmm1985
CUndercarriage overall length – steelmm2490
DKingpost clearancemm631
ETailswing radiusmm9751030975
FOverall width of superstructuremm182018501845
GHeight over cabmm2551
HGround clearancemm300
ITrack gaugemm1550
JWidth over tracksmm1950
KTransport length with standard dippermm535353495518
LTrack heightmm560
MCounterweight clearancemm618
WEIGHTS
Machine model50Z51R55Z
Operating weight* (400mm steel tracks)kg494652665520
Shipping** weight (400mm steel tracks)kg481651365390
Operating weight* (550mm steel tracks)kg506853885642
Shipping** weight (550mm steel tracks)kg493852585512
50Z51R55Z
Dipper lengthmm14501570
Boom lengthmm27002866
AMax digging reachmm584659626119
BMax digging reach on groundmm571458325995
CMax digging depth – dozer upmm332734473606
Max digging depth – dozer downmm353236523843
DMax digging heightmm538754735664
EMax dump heightmm400140884274
FMax height to dipper nose pivot pinmm467947644970
GMax vertical wallcut depthmm197120692052
HMin front swing radius (no offset)mm259926312641
Min front swing radius (fully offset)mm212321512160
IBoom swing leftdegrees70
JBoom swing rightdegrees55
Bucket rotationdegrees181
Dipper rotationdegrees121
Bucket tearoutkN3842
Dipper tearoutkN222129
Slew speedrpm8.3
OPERATOR ENVIRONMENT
Machine model50Z51R55Z
Cab/canopy heightmm2551
Cab/canopy height with FOGS guard LEVEL 1mm2575
Cab/canopy lengthmm1291
Cab/canopy widthmm1020
Door aperture widthmm552
DOZER
Machine model50Z51R55Z
Dozer lengthmm1141
Max height above groundmm433
Dig depth below groundmm464
Approach angledegrees31
Widthmm1962
Heightmm400

Safety

New Generation Safety & Security
ROPS & TOPS met the unique 2Go System from JCB steel case works battery disconnect switch.
Maximum protection.
1 Ensure high uptime & better management of your equipment fleet with an improved CAN-based Livelink. It helps owners learn about multiple aspects of their machines including machine usage, health alarms, towing alerts, time lockout, geofeasibility and sudden waste in fuel level. 2 The new compact excavator canopy ceilings are fully ROPS or TOPS compliant for increased protection of the cabin and operator. Optionally, the certified cab system ROPS and TOPS offers 3 JCB's unique 2GO system ensures that your mini excavator hydraulics can only be operated in a secure lockable position over two separate inputs. 4 JCB‘s safety lever lock completely isolates the hydraulic functions to prevent unintentional movements. 5 Overloading screen shows a beam chart from green to red to indicate whether the overload point is near or exceeded. Once passed, the buzzer and bar flashes will tingle as warning by the operator. 50Z/51R/55Z MINI EXCAVATOR 6 Battery disconnect switch provided as standard at all times when higher levels of electrical isolation are required if the engine has been installed on top quality power supply (for example).
Safely does it.
7 Large track frame width and a low centre of gravity help maximise stability on the machines. 8 Standard booms and optional work lights provide greater protection for vulnerable components in hazardous applications. 9 ZTS and RTS back swing design with steel body jobs ensure higher safety to major components when working on congested job sites. 10 These machines offer greater visibility thanks partly to a 70/30 front screen gap; for easy, safe digging and maneuvering. NEW GENERATION SAFETY 50Z/51R/55Z MINI EXCAVATOR

Tables

SERVICE CAPACITIES
Machine model50Z51R55Z
Fuel tankltr76
Engine coolantltr12(Canopy)/13.2 (ACCabin)
Engine oilltr9.1 max
Hydraulic systemltr100
Hydraulic tankltr55
ENGINE
Standard
Machine model50Z 51R 55Z"
ModelStage 3A 404D-22
FuelDiesel
CoolingWater cooled
Gross power ISO 14396kW35.7 (@ 2600rpm)
Net powerkW33.1 (@ 2600rpm)
Gross torque ISO 14396Nm143 (@1800rpm)
Displacementcc2179
Gradeabilitydegrees35
Starter motorkW2
Batteryvolt / amps12V / 75Ah
Alternatoramps (Air con)85
UNDERCARRIAGE
Machine model50Z51R55Z
No of top rollers1
No of bottom rollers4
Track width steelmm400
Ground bearing pressure (400mm tracks)kg/cm20.300.320.35
Ground bearing pressure (550mm tracks)kg/cm20.220.230.25
Track tensioningGrease
Travel speed – lowkph3
Travel speed – highkph4.6
Tractive effortkN35.736.538.1
HYDRAULIC SYSTEM
Machine model50Z51R55Z
Pumpcc63
Nominal output @ 2000rpmlpm126
Excavator/track main relief pressurebar240265
Slew main relief pressurebar216
Auxiliary hydraulic pressure (Low)bar190
Auxiliary hydraulic pressure (High)bar190
Auxiliary hydraulic flow (Low)lpm40
Auxiliary hydraulic flow (High)lpm90
Hydraulic pumpPiston

Events

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Weight:
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Transport length:
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Transport width:
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Transport height:
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News

Construction News by LECTURA 14.06.2026