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Kubota U55-4 excavator specs (2010 - 2024)

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The Kubota U55-4 Mini Excavator has been manufactured since 2010 and weighs 5.4 tons. It has a transport length of 5.5 meters, a t... Read more

The Kubota U55-4 Mini Excavator has been manufactured since 2010 and weighs 5.4 tons. It has a transport length of 5.5 meters, a transport width of 1.96 meters, and a transport height of 2.55 meters. The bucket capacity is 0.13 U/min and the bucket width is 0.65 Nm. The track width is 400 HP. This construction machine comes equipped with a blade and rubber track.

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 5.4 t
  • Transport length 5.5 m
  • Transport width 1.96 m
  • Transport height 2.55 m
  • Bucket capacity 0.13 m³
  • Bucket width 0.65 m
  • Track width 400 mm
  • Driver protection KbR
  • Max. Reach horizontal 6.1 m
  • Dredging depth 3.63 m
  • Tear-out force 41.35 kN
  • Model series U
  • Engine manuf. Kubota
  • Engine type V2607DI
  • Engine power 33.8 kW
  • Displacement 2.615 l
  • Revolutions at max torque 2200 rpm
  • No. of cylinders 4

More technical details, like: bucket capacity min., bucket capacity max., standard tyres, dimension lxwxh, max. torque, cylinder bore x stroke, emission level are available in the full technical specs.

Basic model with standard bucket

Special equipment

  • Track adjustment
  • Rubber track
  • Blade
  • Aircondition
  • Quick hitch hydr.
  • Quick hitch mech.

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Kubota U55-4 overview

  • Kubota U55-4 features overview

    Powerful & Versatile
    The Kubota U55-4 combines power for demanding tasks and versatility to work in any condition is ready to take on any challenge. This advanced 5.4-tonne machine has been designed with excellent stability to work efficiently even where space is confined. Versatility is greatly enhanced by two auxiliary circuits as standard and precise oil flow control. With upgraded digging and lifting force and a smoother travel performance, this Kubota truly features everything. For Types L and
    Tight Tail Swing
    This tight rear swing model proves to be extremely versatile in confined spaces operations.
    Enhanced Digging Force
    The U55-4 delivers an impressive bucket digging force of 4,315 kgf. Its powerful and well-balanced arm and bucket allow the operator to dig faster and more efficiently, even in the toughest conditions.
  • Engine / Driveline and transmission

    Kubota Original Direct Injection Engine
    The U55-4 is powered by Kubota's impressive 46 hp direct injection engine. Designed with the power to maximize digging and lifting performance, it also delivers minimized noise and vibration.
    Auto-shift
    The Auto-Shift system enables automatic travel shift from high to low depending on traction force and terrain. This achieves smoother operations when dozing and turning.
  • Hydraulics

    Load Sensing Hydraulic System
    Kubota's improved 3-pump load sensing hydraulic system ensures smoother operation, regardless of the load size. It allows flow of the hydraulic oil according to the specific area of lever movement of the operator.
    Versatile Control
    Two auxiliary circuits (SP1 and SP2) come standard on the U55-4. The maximum oil flow settings of both circuits are conveniently adjustable from the digital panel. No additional tools or complex manual adjustment procedures are required.
    Convenient thumb-operated switches allow the operator easy
    Proportional flow control of SP1 and SP2. SP2 is standard for types L and,
    C. Constant Oil Flow Switch
    An on/off forefinger switch allows easy operation of special applications requiring constant oil flow.
    Attachment Icons
    You can program up to five maximum oil flow settings in memory on the digital panel according to specific attachments. Programmed settings can be accessed quickly for the next task. The system is delivered with eight preinstalled attachment symbols.
    Engine/Fuel System Undercarriage Hydraulic System
    Side/rear mirrors (left, right and rear), cup holder, double-element air filter, electric fuel pump, auto idling system, water separator with drain cock, 400 mm rubber track, 1 x overhead roller, 5 double-floating track rollers on each track, 2-speed travel switch at dozer lever, two-speed travel with automatic changeover, pressure accumulator, hydraulic pressure check ports, Straight travel circuit, Third Line Hydraulic Return, Load-sensing hydraulic system, Adjustable maximum oil flow to auxiliary circuits (SP1 and SP2) For Types L and, Double additional circuits for accessories, Auxiliary Switch (SP1) on the right hand control lever, Auxiliary Switch (SP2) on left control lever For types L and SP2 On
  • Tyres / Tracks

    Optimised Site Cleaning
    The dozer blade is up to 410 mm high and the distance between Blade and bucket edge optimized. This allows easier site cleaning and leveling.
    Optional Equipment Undercarriage Safety System Others
    400 mm steel track (+ 100 kg), 550 mm steel track (+ 300 kg), drain valve unit (arm and dozer), bracket and belt for beacon, special paint on request.
  • Dimensions and weight

    Lift Point HeightLift point radius (min.)Lift point radius (1m)Lift point radius (2m)Lift point radius (3m)Lift point radius (4m)Lift point radius (max.)
    Over-frontOver-sideOver-frontOver-sideOver-frontOver-sideOver-frontOver-sideOver-frontOver-sideOver-frontOver-side
    Blade DownBlade UpBlade DownBlade UpBlade DownBlade UpBlade DownBlade UpBlade DownBlade UpBlade DownBlade Up
    3m11.5 (1.18)9.6 (0.98)8.0 (0.81)10.5 (1.07)6.9 (0.70)5.8 (0.59)
    2m17.8 (1.82)14.5 (1.48)11.8 (1.20)13.3 (1.36)9.2 (0.94)7.6 (0.78)10.6 (1.08)6.1 (0.62)5.1 (0.52)
    1m23.1 (2.35)13.3 (1.36)10.7 (1.09)15.3 (1.56)8.7 (0.89)7.2 (0.73)11.3 (1.16)5.8 (0.60)4.9 (0.49)
    0m24.4 (2.48)12.8 (1.30)10.2 (1.04)16.2 (1.65)8.4 (0.86)6.9 (0.70)11.6 (1.18)6.0 (0.61)5.0 (0.51)
    -1m14.4 (1.47)14.4 (1.47)14.4 (1.47)24.2 (2.47)24.2 (2.47)24.2 (2.47)30.0 (3.06)26.7 (2.72)19.7 (2.01)22.2 (2.27)12.7 (1.30)10.1 (1.03)15.1 (1.54)8.3 (0.85)6.8 (0.69)11.6 (1.18)6.8 (0.69)5.6 (0.57)
    -2m25.0 (2.55)25.0 (2.55)20.2 (2.06)16.5 (1.68)13.0 (1.33)10.4 (1.06)
    -3m
    Operating weight (cabin/with 120 kg bucket) kg5400
    Bucket capacity std. SAE/CECE m3"0.16/0.13
    BucketWith side teeth mm650
    widthWithout side teeth mm600
    ModelV2607-DI
    TypeWater cooled diesel engine"
    (ISO9249 NET)kW/rpm33.8/2200
    EngineOutputPS/rpm46.0/2200
    Number of cylinders4
    Bore ×Strokemm87 × 110
    Displacementcc2615
    Overall lengthmm5500
    Overall heightmm2550
    Swivellingspeedrpm9.3
    Rubber shoewidthmm400
    Tumbler distancemm1990
    Dozer size (width×height)mm1960 × 410
    P1P2Variable displacement pump
    Flowrate/min56.1 + 56.1
    HydraulicHydraulic pressureMPa (kgf/cm2 )27.4 (280)
    pumpsP3Gear type
    Flow rate/min37.0
    Hydraulic pressureMPa (kgf/cm2 )19.1 (195)
    Max. diggingArmkN (kgf)27.2 (2770)
    forceBucketkN (kgf)42.3 (4315)
    Boom swing angle (left/right)deg70/55
    AuxiliaryMax flow rate/min75
    circuit(SP1)Maxhydraulic pressureMPa (kgf/cm2)20.6 (210)
    AuxiliaryMax flow rate/min37
    circuit (SP2)Maxhydraulic pressureMPa (kgf/cm 2)19.1 (195)
    Hydraulic reservoirtank/full45/79
    Fuel tank capacity68
    Max. travellingLowkm/h2.8
    speedHighkm/h4.9
    Ground contactpressurekPa (kgf/cm2)30.5 (0.311)
    Ground clearancemm310
  • Other features

    Boom Anti-drop Valve
    The U55-4 is equipped with a boom lowering control device (ISO8643) as standard.
    Spacious & Comfortable
    On the U55-4, your comfort really comes first. The luxurious cab features a deluxe seat and wider entrance allowing easier entry and exit from and to the cabin. The Rollover Protective Structure (ROPS) and Operator Protective Guard (OPG, ISO10262) maximize safety. Operativeness is greatly enhanced by more user-friendly features than ever before.
    Air Conditioning
    The entire air circulation in the cab has been improved, thanks to a stronger cooling/heating unit and positioning of six vents around the operator for better all-round comfort. A/C is standard for type
    Standard Equipment Standard Equipment Safety System Working Equipment
    Engine start safety system on the left console, travel engine with disc brake, swing motor with disc brake, overload warning buzzer, Kubota original anti-theft system, dumping valve on boom (ISO8643), auxiliary hydraulic circuits (SP1 and SP2) piping to the arm end For types L and, 2 working lights in the cab and 1 light on outriggers, 1570 mm arm, ROPS (Roll-over Protective Structure, ISO3471), OPG (Operator Protection) Level1, weight adjustable full suspension seat, seat belt, hydraulic pilot control levers with wrist rests, travel levers with foot pedals, air conditioning For type L, cabin heater for defrosting and demisting, emergency exit hammer, front window power assisted with gas damper, 12V power source, 2 speakers and radio antenna, location for radio.

Machine inspection

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Transport length: 5.5 m

Transport width: 1.96 m

Transport height: 2.55 m

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