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U55-6
During the development of the excavator market 30 years ago, the two basic conceptions; Boom Swing and Zero-Tail Swing, revealed the importance for the first time in the 1980s to 1990s to comply with the global need of diversified construction sites. During the late 1990s, Kubota took the lead by launching its international standard mini excavator for the global market.
The U55-6 with its boom swing, realises direct digging operation close to the house edge without putting the machine in motion. Combined with zero wing structure, the machine is very suitable for operation in tight places.
The U55-6 also features the Auto Idling System which is first introduced by KUBOTA for use in the Mini Excavator. The system allows for greater fuel efficiency and at the same time reduces noise and exhaust emission while reducing operating cost.
Features
Specification
Kubota Engine
The U55-6 is fitted with the powerful and dependable KUBOTA V2607-M-E3-BH-SG1 Diesel Engine that delivers superior 48.3horsepower and performance. It offers low noise and vibration levels. exceptional fuel efficiency and complies with the EPA's 2008 Interim Tier IV emission regulations.
Auto Idling System (AutoIdle)
Save up to 10% fuel with this feature. When the control levers are in neutral for more than 4 seconds, the engine RPM automatically idles. Move any control lever and the engine RPM immediately returns. This feature reduces noise and exhaust emission while reducing operating costs.
Digital Panel
Kubota's digital panel accurately displays timely diagnostic readings and routine maintenance alerts. The operator will be kept informed of the current working conditions, engine RPM, temperature and oil levels.
>>> OPERATION PERFORMANCE
H.M.S Hydraulic System
Strong Bucket Breakout Force: The power needed for heavy loads and tough excavating jobs.
Straight Travel: Kubota's hydraulic matching system keeps the excavator traveling in a straight line while operating the boom. This allow for greater efficiency for loading and unloading operations.
Four Simultaneous Operation: Bucket, boom, arm and swing can be operated simultaneously and smoothly.
Powerful Jack-Up Performance: Even under idling condition, the machine can be jacked up with the bucket or blade.
H-Shaped Track Roller: Increases lateral stabilit and operator comfort during travel.
Auxiliary Hydraulic System
Auxiliary Hydraulic System accommodates a variety of attachments, such as breakers and augers.
Pedal-Operated Boom Swing
The pedal lets you easily operate the boom swing.
Deluxe Seat
The deluxe seat increases productivity by providing great comfort for operators.
Multi Pattern Lever
4 Pattern operation let you make easy adjustments for different type of operating patterns.
12V Electric Power Socket
Boom Cylinder
Located above the boom, the boom cylinder remains safe from damage during breaker or dumping operations
Working Performance
The U55's excellent reach and digging depth ensures that each digging job is performed with maximum efficiency and speed.
Max. Bucket Breakout Force : 42.3kN (4,315kgf)
Max. Digging Depth: 3,630mm
Max. Digging Radius: 6,100mm
Max. Vertical Digging Depth: 2,830mm
>>> SAFETY
ROPS / FOPS Canopy
The ROPS and the FOPs canopy (supplied with seat belt) provide complete protection from accidental rollovers and falling objects thus ensuring a high level of safety for the operator.
Swivel Motor with Disk Break
When the engine shuts off, the swivel will be locked automatically. Therefore, swivel lock pin is not needed during transportation.
Accumulator
Auto Glow Control
Engine start-up time is reduced with the auto-glow that is engaged when the key is turned to the right.
Seat Slide & Retractable Seat Belt
Reflector
Engine Neutral Start
The engine can be started only when the safety lever is set at the locking position.
Engine Start Safety System
The safety lever when set to the "Locking Position will prevent the excavator from moving thus preventing accidents.
>>> MAINTENANCE
Wide-Opening Side and Rear Side Bonnets
Wide-opening covers provide easy access to the engine oil gauge, coolant reserve tank and dual element air cleaner for easy inspection and repair.
Boom Cylinder Protector
The new, thicker steel plated V-shaped boom cylinder protector safeguards against damage attachments, rocks or loading.
Handy Toolbox
The U55-6 comes complete with a toolbox located under the operator's seat.
Independent Hydraulic Hoses for Blade
Maintenance and replacement of such hoses can be carried out more easily and conveniently.
Waterproof Electrical System
Supplied with sleeve, the highly waterproof electrical joint proves to be a preventative countermeasure against electrical system failures.
X-shaped Frame + Slanted Track Frame
Both components are designed to reduce soil accumulation on track frame.
Pilot System with Pipeline Filter
Pilot filter element is provided to prevent failures caused by clogged operation circuit.
Protected Motor Hoses
All the travel motor hoses within the track frame are enclosed for increased durability.
| Model | U55-6 | ||
| Bucket Capacity | m3 | 0.16 | |
| Std. bucket width: (with / without cutting blade) | mm | 650/600 | |
| Operating weight | kg | 5,290 | |
| Dimensions (In transport condition) | Overall length | mm | 5,500 |
| Overall height | mm | 2,550 | |
| Overall width | mm | 1,960 | |
| Min-ground clearance | mm | 310 | |
| Engine | Model | Kubota V2607-DI-E3-BH-3 | |
| Total displacement | L (ml) | 2.615(2,615) | |
| Output | kW (HP)/rpm | 35.5(48.3)/2,200 | |
| Working range | Max. digging height | mm | 5,665 |
| Max. dumping height | mm | 4,005 | |
| Max. digging depth | mm | 3,630 | |
| Max. vertical wall digging depth | mm | 2,830 | |
| Max. digging radius | mm | 6,100 | |
| Min. slewing radius of front part (swing) | mm | 2,460(2,020) | |
| Min. slewing radius of rear part | mm | 1,040 | |
| Max. digging force (bucket) | kN (kgf) | 42.3(4,315) | |
| Track type | Steel | ||
| Track width | mm | 400 | |
| Travel section | Overall length of track | mm | 2,500 |
| Wheel base | mm | 1,990 | |
| Track gauge | mm | 1,560 | |
| Track speed (1st/2nd gear) | km/h | 2.8/4.9 | |
| Gradeability | degree | 30 | |
| Swing speed | rpm | 9.3 | |
| Blade | Width | mm | 1,960 |
| Height | mm | 405 | |
| Lift height (GL up/down) | mm | 440/410 | |
| Hydraulic pump type | Variable pump x 2 + gear pump x 1 | ||
| Swing motor type | Hydraulic piston motor | ||
| Travel motor type | Hydraulic piston motor:2F | ||
| Fuel tank capacity | L (ml) | 68 | |
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Singapore 628985
Tel: +65 6862 5223
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Tel: +65 6482 5503
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