Kubota KX121-3 Mini Excavator Specs

Category: Mini Excavators ➔
Manufacturer: Kubota ➔
Model: KX121-3 ➔

Kubota KX121-3 is a compact mini excavator designed for digging, trenching, grading, and utility work in confined jobsite conditions. It is part of Kubota's KX series and is commonly used in construction, landscaping, municipal maintenance, and site preparation. The machine features a conventional tail swing design, hydraulic controls, and a compact footprint for improved maneuverability. Typical applications include foundation work, pipe installation, and material handling. The KX121-3 is known for combining digging performance with transportability and access to tight spaces. Specifications may vary by configuration, attachment, and production year.

Boom/Stick Excavator Option 1

Kubota KX121-3 Mini Excavator Boom/Stick Excavator Option 1 specifications
Max Cutting Height	17.80 ft (5.43 m)
Max Digging Depth	11.50 ft (3.51 m)
Max Loading Height	12.80 ft (3.90 m)
Max Reach Along Ground	18.00 ft (5.49 m)
Max Vertical Wall Digging Depth	8.20 ft (2.50 m)
Shipping Height of Unit	8.20 ft (2.50 m)
Shipping Length of Unit	16.70 ft (5.09 m)

Dimensions

Kubota KX121-3 Mini Excavator Dimensions specifications
Digging Depth	11.50 ft (3.51 m)
Digging Reach	11.50 ft (3.51 m)
Ground Clearance	1.10 ft (0.34 m)
Width to Outside of Tracks	5.60 ft (1.71 m)

Engine

Kubota KX121-3 Mini Excavator Engine specifications
Displacement	134.10 cu in (2,197.51 cu cm)
Engine Model	V2203-M
Net Power	42.00 hp (31.32 kw)
Power Measured @	2250 rpm

Operating Specifications

Kubota KX121-3 Mini Excavator Operating Specifications specifications
Fuel Capacity	16.90 gal (63.97 l)
Hydraulic Pump Flow Capacity	25.00 gpm (94.63 lpm)
Hydraulic System Fluid Capacity	17.70 gal (66.99 l)
Operating Weight	9,063.00 lbs (4,110.20 kg)

Swing Mechanism

Kubota KX121-3 Mini Excavator Swing Mechanism specifications
Swing Speed	9.4 rpm

Undercarriage

Kubota KX121-3 Mini Excavator Undercarriage specifications
Ground Pressure	4.5 psi
Max Travel Speed	3.10 mph (4.99 kph)

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