Kubota KX015-4 Mini Excavator – Parts, Specs & Serial Number Guide

Description:

The Kubota KX015-4 is a compact 1.5-ton class mini excavator designed for tight job sites, landscaping, utility work, and residential construction. This machine offers serious digging power and durability in a small frame, with a variable-width undercarriage and a zero-tail swing design, making it ideal for indoor demolition, backyard work, or urban jobsites. Its easy-to-maintain layout and responsive controls make it a favorite among contractors and rental operators.

Key Specifications:

Engine:

• Model: Kubota D782-BH

• Type: 3-cylinder, water-cooled, diesel engine

• Displacement: 47.7 cu in (0.783 L)

• Gross Power: 13.0 hp (9.9 kW) @ 2,300 rpm

Transmission & Travel:

• Travel Speed: Low: 1.2 mph (2.0 km/h), High: 2.4 mph (4.0 km/h)

• Drive Motors: Hydraulic piston motors with planetary gear reduction

Hydraulic System:

• Pump Capacity: 27.0 l/min (combined)

• Auxiliary Hydraulic Flow: 6.6 gpm (25 L/min)

• Max Operating Pressure: 2,611 psi (180 bar)

• Hydraulic Controls: Pilot-operated joysticks

Dimensions:

• Operating Weight: 3,395 lbs (1,540 kg)

• Max Digging Depth: 7 ft 8 in (2.35 m)

• Max Reach at Ground Level: 12 ft 6 in (3.8 m)

• Tail Swing Radius: Zero-tail swing

• Undercarriage Width: Adjustable from 3 ft 3 in to 4 ft 1 in

Performance:

• Bucket Breakout Force: 3,417 lbf (15.2 kN)

• Arm Digging Force: 1,929 lbf (8.6 kN)

Maintenance & Common Parts:

Routine Maintenance:

• Engine oil & filter every 200–250 hours

• Hydraulic fluid & filter every 500 hours

• Grease pivot points every 10 hours

• Clean radiator and oil cooler regularly to prevent overheating

Frequently Replaced Parts:

• Hydraulic Cylinder Seal Kits

• Rubber Tracks & Sprockets

• Final Drive Motors

• Air, Fuel & Oil Filters

• Control Levers and Pedals

Common Issues & Quick Fixes:

• Hydraulic cylinder drift: Usually caused by worn seals—replace using cylinder rebuild kits.

• Track misalignment or de-tracking: Often due to worn sprockets or loose track tension—inspect and replace with rubber track kits.

• Hard starting in cold weather: Replace worn glow plugs and fuel filters and use proper cold-weather diesel fuel.

Pro Tips:

• Adjust the variable undercarriage width for maximum stability when working on slopes.

• Use the two-speed travel switch to quickly shift between high and low travel speeds on varying terrain.

• Keep all cylinder rods clean and free of debris to extend seal life.

Serial Number Location:

• Found on a metal plate on the right rear side of the machine, near the engine access panel and also stamped near the track motor frame.

• Refer to your serial number when ordering parts from our KX015-4 parts catalog.