The U55-4 is powered by Kubota's impressive 49.5 HP direct injection
engine, complies with the EPA’s Tier IV emission regulation. Engineered with the
power to maximize digging and lifting performance, it also delivers minimized noise,
vibration and fuel consumption.
Save time and work more efficiently. With a simple movement of
a rocker switch on top of the dozer lever, the hydraulic angle blade can be angled
to the right or left to push soil to the side as the machine moves forward, eliminating
the need for repetitive repositioning at right angles when backfilling trenches
Controlled by the right-hand joystick, AUX1 supplies
19.8 gpm to operate attachments requiring hydraulic flow, like a breaker, thumb,
or tilt bucket.
With the AUX1
diverter valve, the AUX oil supply can be changed without having to remove the thumb
pipeline when the operator wants to use a hydraulic attachment.
With AUX2 installed the left-hand joystick supplies 19.8 gpm to operate attachments
like a breaker, auger or tilt bucket. The right-hand joystick supplies 9.8 gpm to
operate the hydraulic thumb.
The maximum oil flow settings of both circuits are conveniently adjustable from
the digital panel. No additional tools or complex manual adjusting procedures are
necessary. You can even program up to five oil flow rates corresponding to specific
attachments into memory on the digital panel.
The U55-4 delivers an impressive bucket digging force
of 11,177 lbs. Its powerful and well-balanced arm and bucket allow the operator
to dig faster and more efficiently even in the toughest conditions.
The
U55-4 features a much wider door and ample foot space, making it a breeze to get
on and off the excavator.
Placing
the 2-speed travel switch on the dozer lever gives you more foot space, plus dozing
operations can be done faster and easier.
Downshifting under load, the auto-shift system returns to high speed automatically,
providing smoother turns and dozer work.
With
its counterweight protruding a mere 2.5 inches, this tight tail swing model proves
to be highly versatile when undertaking operations wherever space is confined.
Kubota's improved 3-pump load sensing hydraulic system ensures smoother operation,
regardless of load size. It allows hydraulic oil to flow according to the specific
range of the operator's lever motion. The result is greater fuel economy and smoother
travelling.
Travelling
noise and vibration are reduced thanks to five lower track rollers. That helps reduce
operator fatigue by the end of a long day.The overall air circulation in the cab has been improved, thanks to a stronger cooling/heating unit and the positioning of six vents around the operator to offer better all-round comfort.
The hydraulic thumb makes short work of a variety of loading and material handling jobs. The factory installed mount brackets and hydraulics significantly reduce the time needed to mount accessories.
Kubota’s high-back suspension seat has been designed for maximum operator comfort and to minimize fatigue during extended machine operation. The deluxe reclining seat offers weight compensation, firm adjustable wrist support and rectractable seat belts.
The OSHA-certified ROPS/OPG (Top Guard) cabin provides protection in the event of accidental rollovers and falling objects.
Specifications
| Model | U55-4 | U55-4 Angle Blade | ||||
|---|---|---|---|---|---|---|
| Type of ROPS / OPG (Top Guard) | Canopy / Cab | |||||
| Type of tracks | Rubber | Rubber / Steel | ||||
| Engine | Model | Kubota V2607-DI | ||||
| Output (SAE J1995 gross) | HP (kW)/rpm | 50.0 (37.3) / 2200 | ||||
| Output (SAE J1349 net) | HP (kW)/rpm | 47.6 (35.5) / 2200 | ||||
| Displacement | cu. in. (cc) | 159.6 (2615) | ||||
| Dimensions | Overall length | ft. in. (mm) | 18'0.5" (5500) | |||
| Overall height | ft. in. (mm) | 8'4.4" (2550) | ||||
| Overall width | ft. in. (mm) | 6'5.2" (1960) | ||||
| Min. ground clearance | in. (mm) | 1'0.2" (310) | ||||
| Hydraulic system | Pump capacity | GPM (l/min) | 14.8 (56.1) Variable x 2 / 9.8 (37.0) Gear x 1 | |||
| Auxiliary hydraulic flow | AUX1 / AUX2 | GPM (l/min) | 19.8 (75) / 9.8 (37) | |||
| Max. breakout force | Bucket / Arm | lbs. (kgf) | 11177 (5070) / 6261 (2840) | |||
| Drive system | Travel speed | Low / High | mph (km/h) | 1.8 / 3.1 (2.8 / 4.9) | ||
| Max. drawbar pull | Low speed | lbs. (kgf) | 14480 (6567) | |||
| Tumbler distance | ft. in. (mm) | 6'6.3" (1990) | ||||
| Crawler length | ft. in. (mm) | 8'2.4" (2500) | ||||
| Shoe width | Rubber / Steel | in. (mm) | 1'3.7" (400) | |||
| Ground contact pressure | Rubber Canopy / Cab | psi (kgf/cm2) | 4.41 (0.310) / 4.48 (0.315) | 4.57 (0.321) / 4.64 (0.326) | ||
| Steel Canopy / Cab | psi (kgf/cm2) | - | 4.65 (0.327) / 4.72 (0.332) | |||
| Swing system | Unit swing speed | rpm | 9.3 | |||
| Boom swing angle | Left / Right | degree | 70 / 55 | |||
| Blade | Dimensions | Width | ft. in. (mm) | 6'5.2" (1960) | ||
| Height | ft. in. (mm) | 1'4.1" (410) | 1'4.7" (425) | |||
| Max. lift above ground | in. (mm) | 17.3" (440) | 20.0" (510) | |||
| Max. drop below ground | in. (mm) | 16.1" (410) | 18.3" (465) | |||
| Angle | Left / Right | degree | - | 25 | ||
| Hydraulic oil (reservoir / system) | gal (l) | 11.9 (45) / 20.9 (79) | ||||
| Fuel reservoir | gal (l) | 18.0 (68) | ||||
| Operating weight (Including operator’s weight @175 lbs.) | Rubber Canopy / Cab | lbs. (kgf) | 11915 (5404) / 12115 (5494) | 12335 (5594) / 12535 (5685) | ||
| Steel Canopy / Cab | lbs. (kgf) | - | 12555 (5694) / 12755 (5785) | |||
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