KUBOTA KX155-3SZ

Short Description:

KUBOTA KX155-3SZ 5.5-Ton Mini Hydraulic ExcavatorProfessional Foreign Trade Sale...


  • Model: KUBOTA KX155‑3SZ
  • Operating Weight: 5,300–5,500 kg
  • Bucket Capacity: 0.15–0.23 m³
  • Engine: Kubota V2403‑M‑DI‑E3B (4‑cylinder turbo diesel, 2.4 L)
  • Power: 37.4 kW (50 hp) @ 2400 rpm
  • Emission Standard: Tier 4 / Stage IV
  • Max Digging Depth: 3,700 mm
  • Max Digging Height: 5,700 mm
  • Max Unloading Height: 4,050 mm
  • Max Horizontal Reach: 6,200 mm
  • Swing Speed: 9.5 rpm
  • Travel Speed: 4.8 km/h (high) / 2.5 km/h (low)
  • Traction Force: 48 kN
  • Bucket Breakout Force: 41 kN
  • Arm Crowd Force: 28 kN
  • Hydraulic Pump Flow: 63 L/min (main)
  • Hydraulic Pressure: 24,500 kPa
  • Fuel Tank: 70 L
  • Hydraulic Tank: 60 L
  • Engine Oil: 9 L
  • Coolant: 6.5 L
  • Undercarriage: Track gauge 1,500 mm; track width 400 mm (optional 500 mm)
  • Cab: ROPS/FOPS, air seat, AC, easy entry
  • Features: Compact size, zero tail swing, fuel efficient, durable, easy maintenance

Product Detail

Product Tags

KUBOTA KX155-3SZ 5.5-Ton Mini Hydraulic Excavator

Professional Foreign Trade Sales Copy (Long‑Form)

Brand & Model Positioning

Brand: KUBOTAKUBOTA is a world‑leading Japanese manufacturer with over 130 years of experience in engineering diesel engines, compact tractors, and mini excavators. The company is widely recognized as the global benchmark for mini‑excavator quality, with a reputation built on reliability, fuel efficiency, and operator‑centric design. KUBOTA machines are trusted in more than 130 countries by construction companies, landscaping professionals, utility contractors, and rental fleets. The brand’s core strengths include:

  • Industry‑leading engine technology
  • Exceptional build quality and durability
  • Low fuel consumption and operating costs
  • Strong global service and parts network
  • High resale value

Model: KUBOTA KX155-3SZThe KX155-3SZ is a 5.5‑ton mini excavator with KUBOTA’s exclusive Super‑Zero Tail Swing design. It is engineered for maximum maneuverability in confined spaces while delivering powerful digging performance and exceptional operator comfort. The machine is ideal for urban construction, landscaping, utility work, indoor demolition, and rental applications. Its compact size, zero tail swing, and powerful hydraulics make it one of the most versatile mini excavators in its class.


Core Technical Specifications (Comprehensive)

1. Basic Parameters

  • Operating Weight: 5,350 kg
  • Engine Model: KUBOTA D1105‑E3B
  • Rated Power: 39.4 kW (53 HP) @ 2,400 rpm
  • Bucket Capacity: 0.16–0.20 m³
  • Max Digging Depth: 3,500 mm
  • Max Digging Reach: 5,900 mm
  • Max Dumping Height: 4,200 mm
  • Bucket Digging Force: 42.2 kN
  • Arm Digging Force: 30.4 kN
  • Swing Speed: 9.5 rpm
  • Travel Speed: 2.8 / 4.8 km/h
  • Fuel Tank Capacity: 95 L
  • Hydraulic Oil Tank Capacity: 60 L

2. Engine Performance

The KUBOTA D1105‑E3B is a 3‑cylinder, water‑cooled diesel engine known for its reliability, low noise, and exceptional fuel efficiency. Key features include:

  • Low fuel consumption: Up to 20% more efficient than many competitors
  • Smooth power delivery: Strong low‑end torque for digging and lifting
  • Low vibration and noise: Ideal for urban and residential areas
  • Tier 3 / Stage IIIA emissions: Clean and compliant with most global standards
  • Easy cold starts: Equipped with glow plugs for reliable starting in temperatures as low as -15°C

3. Hydraulic System

The KX155-3SZ features an advanced load‑sensing hydraulic system with three pumps, providing:

  • Simultaneous operation of boom, arm, bucket, and swing
  • Smooth, precise control
  • Reduced fuel consumption
  • High digging and lifting performance

The system delivers a total flow of 94 L/min, ensuring fast cycle times and efficient work.

4. Working Equipment

  • Variable offset boom: Allows digging parallel to walls without repositioning
  • Strong digging forces: 42.2 kN bucket force and 30.4 kN arm force
  • Long arm option: Increases reach and depth for utility work
  • Standard dozer blade: With float function for easy backfilling and grading

5. Undercarriage

  • Super‑Zero Tail Swing: Counterweight never extends beyond track width
  • Track width: 300 mm standard, 400 mm optional
  • Rubber track option: For operation on paved surfaces
  • X‑frame design: Provides stability and durability
  • Long track contact length: 1,650 mm for smooth travel and stability

6. Operator Cab

The KX155-3SZ features one of the most comfortable and functional cabs in its class:

  • ROPS/FOPS certified
  • Spacious flat floor design for easy entry and exit
  • High‑back suspension seat with adjustable armrests
  • Ergonomic joysticks with low effort
  • Excellent visibility: Large windows and slim pillars
  • Digital instrument panel
  • Optional air conditioning and heating
  • Low noise and vibration for all‑day comfort

Core Advantages (Expanded for Foreign Trade)

1. Unmatched Maneuverability

The KX155-3SZ’s Super‑Zero Tail Swing design allows it to work in spaces where other machines cannot. The counterweight stays within the track width during 360° rotation, making it ideal for:

  • Urban construction
  • Backyard renovations
  • Indoor demolition
  • Narrow alleys and driveways
  • Work near walls, fences, and buildings

The offset boom further enhances maneuverability by allowing the operator to dig close to obstacles without repositioning the machine.

2. Exceptional Fuel Efficiency

KUBOTA engines are renowned for their low fuel consumption. The KX155-3SZ typically uses 10–20% less fuel than competing models, resulting in significant cost savings over time. For rental companies and contractors, this translates to:

  • Lower operating costs
  • Higher profit margins
  • Longer working hours per tank

3. Superior Operator Comfort

The KX155-3SZ is designed to reduce operator fatigue, which directly improves productivity. Key comfort features include:

  • Spacious cab with flat floor
  • Low noise and vibration
  • Ergonomic controls
  • Excellent visibility
  • Air‑suspension seat
  • Optional air conditioning

A comfortable operator is a more productive operator.

4. Durability & Reliability

KUBOTA builds its machines to last. The KX155-3SZ features:

  • High‑strength steel boom and arm
  • Reinforced stress points
  • Rugged X‑frame undercarriage
  • Sealed and lubricated track links
  • KUBOTA’s own engines and hydraulic components

With proper maintenance, this machine can provide 10,000+ hours of reliable service.

5. Versatility & Attachment Compatibility

The KX155-3SZ is highly versatile and can be equipped with a wide range of attachments, including:

  • General‑purpose buckets
  • Heavy‑duty buckets
  • Narrow trench buckets
  • Hydraulic breakers
  • Augers
  • Grapples
  • Plate compactors
  • Thumb attachments

An optional hydraulic quick coupler allows for fast attachment changes without leaving the cab.


Typical Applications (Detailed)

1. Urban Construction & Renovation

  • Digging foundations for small buildings
  • Trenching for water, gas, and electrical lines
  • Demolition of small structures
  • Excavation for basements and cellars

2. Landscaping & Gardening

  • Creating ponds and water features
  • Grading lawns and golf courses
  • Digging irrigation ditches
  • Installing retaining walls
  • Tree planting and hole drilling

3. Utility & Municipal Work

  • Repairing underground pipes
  • Trenching for fiber optic cables
  • Cleaning storm drains
  • Park and playground construction

4. Indoor Demolition

Thanks to its zero tail swing and rubber tracks, the KX155-3SZ is often used for:

  • Interior demolition
  • Debris removal
  • Basement excavations inside buildings

5. Rental Fleet Operations

The KX155-3SZ is a top choice for rental companies due to:

  • Easy operation
  • High reliability
  • Low maintenance costs
  • Versatility
  • Strong resale value

Foreign Trade Service Guarantee (Tailored for Global Buyers)

1. Customization Options

We offer a range of customization options to meet the needs of different markets:

  • Track options: Steel tracks, steel tracks with rubber pads, or full rubber tracks
  • Cab options: Open canopy or enclosed cab with heat/AC
  • Cold‑climate package: Engine block heater, battery warmer
  • Hot‑climate package: High‑capacity AC, additional cooling vents
  • Attachment packages: Buckets, breakers, augers, grapples, etc.
  • Multilingual documentation: English, Spanish, French, Arabic, Russian, etc.

2. Inspection & Certification

  • Pre‑shipment inspection by SGS, BV, or other third‑party agencies
  • CE certification for the European market
  • EPA certification for North America (if required)
  • Certificate of Origin (CO)
  • Complete customs documentation

3. Warranty & Training

  • 1‑year or 2,000‑hour warranty (whichever comes first)
  • Free operator and maintenance training
  • Video tutorials and online support
  • Technical manuals in multiple languages

4. Spare Parts & After‑Sales Support

  • Genuine KUBOTA parts available worldwide
  • Fast delivery to major markets (3–7 days)
  • 24/7 technical support via email, phone, or WhatsApp
  • Consignment stock options for large buyers

Why Choose the KUBOTA KX155-3SZ?

The KUBOTA KX155-3SZ is the ideal mini excavator for clients who demand:

  • Maximum maneuverability in tight spaces
  • Powerful digging performance
  • Exceptional fuel efficiency
  • Superior operator comfort
  • High reliability and durability
  • Low operating costs
  • Strong resale value

Backed by KUBOTA’s global reputation and service network, the KX155-3SZ is a machine you can trust for years of profitable operation.


Contact Us

For quotes, product details, or to discuss your specific requirements, please contact our foreign trade sales team. We offer:

  • Competitive pricing
  • Flexible payment terms (LC, TT, DP)
  • Door‑to‑door shipping to any destination
  • Bulk order discounts
  • Professional after‑sales support

We look forward to working with you!


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