Used Kubota U-55 Excavator

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Kubota U-55 Compact Excavator Detailed Introduction

The Kubota U-55 is a 5.5-ton class compact crawler excavator developed and manufactured by Kubota Corporation, the Japan-based global leader in small and medium construction equipment. It belongs to Kubota’s signature U-series zero-tail swing (ZTS) product lineup, positioned as a versatile, high-efficiency solution for narrow, confined work sites where full-size excavators cannot operate. The latest iteration of the model is the U-55-5 (launched in 2020), upgraded to meet the latest global emission standards and optimized for lower operating costs.

Core Specifications

Category	Parameter
Operating Weight	5,310 kg – 5,620 kg (varies by track type and attachment configuration)
Engine	Kubota V2607-CR-EF02 4-cylinder water-cooled diesel engine, compliant with EU Stage V / EPA Tier 4 Final / China Non-road IV emission standards
Rated Gross Power	40.4 kW (54.2 hp) at 2,200 rpm
Standard Bucket Capacity	0.18 m³ – 0.22 m³
Maximum Digging Depth	3,850 mm
Maximum Digging Height	5,960 mm
Maximum Dumping Height	4,150 mm
Swing Speed	9 rpm
Travel Speed	2.8 km/h (low gear) / 4.8 km/h (high gear)
Hydraulic System Flow	132 L/min (load-sensing hydraulic system)
Track Width	400 mm (standard rubber track, steel track with rubber pads optional)

Key Core Features

1. Industry-leading Zero Tail Swing (ZTS) Design

The upper structure’s rear overhang never extends beyond the width of the crawler tracks during 360° rotation, allowing operators to work safely within a very small footprint, even when positioned right next to walls, road barriers, or building edges. This feature makes it ideal for urban construction and indoor operation scenarios.

2. High-efficiency, Low-emission Powertrain

The proprietary Kubota V2607 engine adopts common rail fuel injection and an automatic regeneration diesel particulate filter (DPF) system, delivering strong low-end torque for heavy digging tasks, while offering 12% better fuel efficiency than the previous generation of 5-ton excavators. It can operate stably in high-altitude, low-temperature, and dusty harsh environments.

3. Precise, Versatile Hydraulic System

The load-sensing hydraulic system with independent flow distribution ensures smooth, accurate control of boom, arm, and bucket movements, even when performing simultaneous operations (e.g. swinging and lifting heavy loads at the same time). It is equipped with a standard auxiliary hydraulic circuit, supporting a wide range of attachments including hydraulic breakers, augers, grapples, and plate compactors, expanding its applicable scenarios greatly.

4. Operator-centric Comfort and Safety Design

The cab is ROPS (Roll-Over Protective Structure) and FOPS (Falling Object Protective Structure) certified, with reinforced impact-resistant glass.
Large panoramic windows provide 360° unobstructed visibility, eliminating blind spots during operation.
Adjustable high-back suspension seat, ergonomic short-stroke joysticks, and sound insulation design keep cab noise below 75 dB(A), greatly reducing operator fatigue during long shifts.
The full-color digital monitor displays real-time operating data, fault alerts, and maintenance reminders in real time.

5. High Durability and Easy Maintenance

Reinforced X-type undercarriage frame, high-strength steel boom and arm with welded reinforcement plates, and heavy-duty track components extend service life significantly even under high-intensity operation.
All daily maintenance points (engine oil dipstick, fuel filter, air filter, coolant tank) are accessible from ground level, and the wide-opening engine hood provides sufficient space for inspection and repair, cutting daily maintenance time by 30% compared to similar models. Kubota’s global after-sales network also provides reliable parts and service support.

Typical Application Scenarios

Urban municipal works: Trenching for water, electricity and gas pipelines, road patching, sidewalk construction
Landscaping: Site clearing, tree planting, pond digging, terrain shaping
Interior renovation and demolition: It can enter through standard building doorways for wall/floor demolition and construction waste removal
Agricultural projects: Farmland leveling, irrigation ditch digging, greenhouse construction
Narrow-space infrastructure: Bridge maintenance, tunnel auxiliary works, old residential area renovation

Optional Configurations

Quick attachment coupler, extra auxiliary hydraulic circuits, rear view camera, rotating warning beacon, heated/cooled cab, steel tracks with rubber pads, customized buckets of different sizes, and specialized attachments for specific scenarios.

Overall, the Kubota U-55 is widely recognized as one of the most reliable and cost-effective compact excavators in the 5-6 ton class, and is the first choice for small construction contractors, equipment rental companies, and individual operators around the world.

Non flooded

No accident

Original product

Used Kubota U-55 Excavator

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