Kubota KX080 Mini Excavator – Parts, Specs & Serial Number Guide

The Kubota KX080 is a powerful and versatile mini excavator designed for heavy-duty digging, lifting, and grading while maintaining compact agility. As Kubota’s largest mini excavator, the KX080 offers the performance of a mid-size machine without sacrificing maneuverability, making it ideal for tight job sites and demanding construction tasks.

Key Specifications:

Engine:

• Model: Kubota V3307-CR-TE4

• Type: 4-cylinder, turbocharged, liquid-cooled diesel

• Displacement: 203.3 cu in (3.3 L)

• Gross Power: 66.6 hp (49.7 kW) @ 2000 rpm

Transmission & Drive:

• Travel Speed: Low: 1.6 mph (2.6 km/h), High: 3.0 mph (4.8 km/h)

• Drive Method: Hydraulic travel motors with planetary reduction

Hydraulics:

• Pump Capacity: 41.9 + 41.9 + 18.6 l/min (triple pump system)

• Auxiliary Flow: Up to 26.4 gpm (100 l/min)

• Max Hydraulic Pressure: 3,553 psi (245 bar)

• Control Valves: Pilot-controlled joystick levers for precise operation

Dimensions:

• Operating Weight: ~18,365 lbs (8,330 kg)

• Max Digging Depth: 15 ft 1.1 in (4.6 m)

• Max Reach at Ground Level: 23 ft 11 in (7.3 m)

• Tail Swing: Minimal with tight tail swing radius

Performance:

• Bucket Breakout Force: 14,660 lbf (65.2 kN)

• Arm Digging Force: 8,554 lbf (38.1 kN)

• Gradeability: 30°

Maintenance & Common Parts:

Routine Maintenance:

• Replace hydraulic filters and oil at regular intervals

• Inspect and grease boom and arm pivot points

• Check track tension and undercarriage wear

Frequently Replaced Parts:

• Hydraulic Cylinder Seal Kits

• Final Drive Motors

• Rubber Tracks

• Swing Bearings

• Fuel Filters and Oil Filters

Common Issues & Quick Fixes:

• Hydraulic Leaks: Most often from worn-out cylinder seals. Use our KX080 Hydraulic Seal Kits for quick replacement.

• Final Drive Failure: Symptoms include loss of power or unusual noise. Swap with a reliable aftermarket drive motor.

• Track De-tracking: Caused by worn sprockets or loose tension. Check undercarriage and replace with OEM-style rubber tracks and idlers.

Pro Tips:

• Always check the machine’s hydraulic oil level and coolant before operation.

• Use high-quality Kubota-compatible engine oil and filters to maintain warranty and optimal performance.

• Periodically inspect boom swing pins and bushings to prevent structural wear.

Serial Number Location:

• Found on a metal plate welded to the front right side of the cab (exterior frame).

• Record your serial number to ensure exact match when ordering KX080 replacement parts.