Kubota KX016-4 Mini Excavator – Parts, Specs & Serial Number Guide

The Kubota KX016-4 is a compact 1.6-ton mini excavator with impressive power, durability, and a variable-width undercarriage—making it perfect for jobsites with limited access. With a conventional tail swing and smooth hydraulic operation, the KX016-4 excels in landscaping, utility trenching, and residential excavation. It also features a spacious operator station and advanced control features for enhanced comfort and productivity in a compact footprint.

Key Specifications:

Engine:

• Model: Kubota D782-BH-4

• Type: 3-cylinder, water-cooled diesel

• Displacement: 47.7 cu in (0.783 L)

• Gross Power: 13.0 hp (9.6 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 2-speed travel

Hydraulic System:

• Pump Capacity: 27.0 l/min total (gear-type pumps)

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

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

• Control System: Pilot-operated joystick controls with auxiliary circuit

Dimensions:

• Operating Weight: 3,638 lbs (1,650 kg)

• Max Digging Depth: 7 ft 10 in (2.37 m)

• Max Reach at Ground Level: 12 ft 9 in (3.89 m)

• Undercarriage Width: Adjustable from 3 ft 3 in to 4 ft 1 in (variable width)

• Tail Swing Radius: Conventional

Performance:

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

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

Maintenance & Common Parts:

Routine Maintenance Needs:

• Engine oil and filter every 200–250 hours

• Hydraulic filter every 500 hours

• Grease pivot points daily for optimal pin/bushing longevity

• Inspect track tension and undercarriage components weekly

Frequently Replaced Parts:

• KX016-4 Hydraulic Cylinder Seal Kits

• Rubber Tracks & Idlers

• Final Drive Motors

• Filters (Fuel, Air, Oil)

• Joystick & Control Levers

Common Issues & Quick Fixes:

• Hydraulic thumb or breaker not responsive: Likely caused by flow restriction—check control valve and replace any faulty auxiliary lines or couplers.

• Undercarriage wear or track misalignment: Caused by loose tension or worn rollers—inspect and replace with KX016-4 track kits and rollers.

• Slow bucket response: Common with worn cylinder seals—install seal replacement kits.

Pro Tips:

• Narrow the undercarriage width to pass through gates or interior spaces, then widen for better stability during digging.

• Use the two-speed travel feature to switch quickly between ground speeds for mobility and control.

• Always clean the radiator screen and oil cooler after working in dusty environments.

Serial Number Location:

• Located on a metal plate on the right rear side of the frame, near the engine access panel or stamped near the right track motor.

• Record the serial number to ensure correct parts match from our Kubota KX016-4 parts catalog.