The Kubota KX057-5 is a 5.5-ton class mini excavator designed for tough digging jobs with precision control and superior operator comfort. As a newer model in Kubota’s KX series, the KX057-5 adds enhanced technology, greater visibility, and smoother hydraulic performance, making it a favorite among contractors, landscapers, and utility crews.
Key Specifications:
Engine:
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Model: Kubota V2607-CR-TE5B
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Type: 4-cylinder, turbocharged, liquid-cooled diesel (Tier 4 Final)
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Displacement: 159.6 cu in (2.6 L)
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Gross Power: 47.6 hp (35.5 kW) @ 2,000 rpm
Transmission & Travel:
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Travel Speed: Low: 1.7 mph (2.7 km/h), High: 3.1 mph (5.0 km/h)
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Drive Motors: Hydraulic axial piston motors with automatic downshift
Hydraulic System:
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Pump Capacity: 46.1 + 46.1 + 11.6 l/min (triple pump system)
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Auxiliary Hydraulics Flow: 24.6 gpm (93.1 l/min)
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Max Operating Pressure: 3,770 psi (260 bar)
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Control Type: Pilot-operated joystick controls
Dimensions:
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Operating Weight: 12,200 lbs (5,534 kg)
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Max Digging Depth: 12 ft 9 in (3.89 m)
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Max Reach at Ground Level: 19 ft 9 in (6.02 m)
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Tail Swing: Conventional with reduced overhang
Performance:
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Bucket Breakout Force: 10,172 lbf (45.2 kN)
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Arm Digging Force: 5,623 lbf (25 kN)
Maintenance & Common Parts:
Routine Maintenance Tips:
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Replace engine oil, fuel, and air filters every 250 hours
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Inspect track tension and undercarriage components monthly
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Clean radiator and oil cooler screens regularly to prevent overheating
Frequently Replaced Parts:
Common Issues & Quick Fixes:
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Erratic Hydraulic Operation: Usually caused by air in lines or dirty filters—replace with OEM-style hydraulic filter kits.
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Final Drive Noise or Failure: Typically from contaminated oil or worn seals; replace with new final drive motor units.
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AC or Display Screen Malfunctions: Check fuses and relays first; if no resolution, consider a replacement display or control module.
Pro Tips:
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Enable auto-idle to reduce fuel use and wear during idle time.
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Use Kubota’s factory-coded diagnostic display for fast error code recognition.
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Inspect your boom swing pins and bushings regularly—looseness here is a sign it’s time for replacements.
Serial Number Location:
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Located on the cab frame under the operator’s seat area, and also stamped on the right rear side of the undercarriage.
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Always verify your serial number before ordering parts from our KX057-5 parts catalog.
