Used Kubota U-30 Excavator

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Kubota U-30 Mini Excavator Detailed Introduction

The Kubota U-30 is a 3-ton class compact mini excavator manufactured by Kubota Corporation, the world's leading manufacturer of small construction equipment. As a star product in Kubota's U-series zero-tail-swing excavator lineup, it is renowned for its ultra-compact footprint, excellent maneuverability, high fuel efficiency and versatile adaptability to narrow working scenarios, making it a top choice for contractors, landscapers, rental companies and individual operators worldwide. The latest generation U-30-6 meets EU Stage V / U.S. Tier 4 Final emission standards, balancing strong performance and environmental compliance.

Key Specifications

Category	Parameters
Operating Weight	3,200 – 3,400 kg (7,055 – 7,496 lbs)
Engine Model	Kubota D1703-M-E3B 4-cycle water-cooled diesel engine
Rated Power	20.4 kW (27.3 HP) @ 2,400 rpm
Standard Bucket Capacity	0.09 – 0.17 m³ (0.12 – 0.22 cu yd)
Max. Digging Depth	3,080 mm (10 ft 1 in)
Max. Digging Reach	5,090 mm (16 ft 8 in)
Max. Dumping Height	3,420 mm (11 ft 3 in)
Travel Speed	Low: 2.2 km/h (1.4 mph); High: 4.3 km/h (2.7 mph)
Swing Speed	9 rpm
Hydraulic System Working Pressure	28 MPa (4,060 psi)
Standard Track Width	300 mm rubber track (steel track optional)
Overall Width (standard configuration)	1,550 mm (5 ft 1 in)
Fuel Tank Capacity	40 L (10.6 gal)

Core Features & Advantages

1. Industry-leading Zero Tail Swing Design

The signature zero-tail-swing structure ensures that the rear end of the upper carriage never extends beyond the width of the tracks during 360° rotation. This design eliminates the risk of collision with surrounding obstacles in tight spaces, making it ideal for working in narrow alleys, indoor environments, or near walls and traffic lanes.

2. High-efficiency & Low-consumption Powertrain

Equipped with Kubota's original industrial diesel engine, the U-30 delivers stable strong power output with extremely low fuel consumption, noise and vibration. The engine is fitted with an advanced exhaust aftertreatment system to meet strict global emission regulations, while maintaining high reliability and long service life even under long-term heavy load operations.

3. Precision Hydraulic Control System

The load-sensing hydraulic system automatically adjusts flow output according to operating load, ensuring smooth and precise control of compound movements (such as simultaneous digging, swinging and lifting). The pilot control joystick is light and responsive, reducing operator fatigue during long working hours, and delivering consistent performance even for novice operators.

4. Safe & Comfortable Operating Space

Both the closed cab and open canopy options meet ROPS (Roll-Over Protective Structure) and FOPS (Falling-Object Protective Structure) safety standards. The cab features an ergonomic layout, adjustable suspension seat, large wide-angle glass for excellent all-round visibility, and optional air conditioning/heating system for comfortable operation in extreme weather. The low-vibration design keeps cabin noise below 75 dB(A) during operation.

5. Low Maintenance Cost

All daily maintenance points (engine oil filter, fuel filter, air filter, hydraulic oil check port, etc.) are centrally arranged and accessible by opening the wide side hoods, with no need to disassemble extra parts. The built-in Kubota Intelligent Control System displays real-time operating data, maintenance reminders and fault codes, greatly reducing downtime and maintenance costs.

Typical Applications

Thanks to its compact size and versatile performance, the Kubota U-30 is widely used in the following scenarios:

Urban municipal construction: Trench digging for water, electricity and gas pipelines, road patching, public facility maintenance in narrow streets
Landscaping and agricultural work: Tree pit digging, terrain shaping, greenhouse construction, farm irrigation pipeline laying
Interior demolition and renovation: Demolition of indoor walls and floors, waste removal, as its narrow body can pass through standard doorways and elevator cars
Small construction projects: Foundation digging for small residential buildings, site clearing, material handling
Utility projects: Small foundation construction for photovoltaic and wind power projects, landscape pipeline laying

Optional Attachments & Customization

The Kubota U-30 supports a wide range of attachments to expand its functionality, including:

Hydraulic breaker for concrete and rock breaking
Auger drill for hole digging for pile foundations and tree planting
Grapple for sorting and handling bulk waste and construction materials
Tipping bucket, grading bucket for special construction needs
Hydraulic compactor for ground compaction
Quick coupler for fast attachment replacement in 1-2 minutes

Other optional configurations include steel tracks, extended arm, anti-theft system, cold climate package, and high altitude operation adaptation kit.

Reliability & After-sales Support

Kubota has over 50 years of experience in mini excavator R&D and manufacturing, and the U-30 series has been validated by millions of operating hours in global markets, with outstanding durability and high residual value for used units. Kubota's global after-sales service network covers more than 120 countries and regions, providing genuine spare parts, professional maintenance services and standard warranty policies to ensure uninterrupted operation for users.

Note: Specifications and optional configurations may vary slightly by region and specific sub-model (U-30-5/U-30-6), please consult your local Kubota authorized dealer for the latest and most accurate product information.

Non flooded

No accident

Original product

Used Kubota U-30 Excavator

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