Refurbished SANY SY155 Excavator

The SANY SY155 excavator was designed to meet the growing demand for mid-size machines that deliver full-scale performance in confined environments. Introduced as part of SANY’s compact heavy-duty lineup, the SY155 fills the gap between the SY135 and SY195 models, offering enhanced lifting capacity, deeper digging reach, and improved hydraulic control—all within a footprint suitable for urban construction, roadwork, and utility trenching.

Honestly, it's almost impossible to buy a brand new excavator from China. They either don't exist or are made in China. If a Chinese seller tells you their Caterpillar/Komatsu/Volvo/Kobelco/Hitachi is brand new, they're lying. Therefore, a refurbished excavator is your best bet.

SANY Heavy Industry, founded in 1989, became the world’s largest excavator manufacturer by unit volume in the early 2020s. The SY155 played a key role in this growth, especially in Southeast Asia and Latin America, where infrastructure expansion required maneuverable machines with low operating costs and high reliability.

Core Specifications of the Refurbished SY155

Refurbished SY155 units typically retain the original performance envelope, with key systems restored or replaced. Common specifications include:

Operating Weight and Dimensions

  • Operating Weight: 15,500–16,200 kg
  • Overall Length: ~8.6–8.9 meters
  • Overall Width: ~2.59–2.99 meters
  • Overall Height: ~2.9–3.1 meters
  • Ground Clearance: ~440–470 mm
  • Tail Swing Radius: ~2.5 meters
  • Track Width: 500–600 mm standard

Engine and Powertrain

  • Engine Model: Isuzu 4JJ1X or Yanmar turbo diesel (varies by year and region)
  • Rated Power Output: 105–110 hp (78–82 kW)
  • Maximum Torque: ~500–550 Nm @ 1,500 rpm
  • Fuel Tank Capacity: ~300–350 liters
  • Gradeability: Up to 35°
  • Travel Speed: 3.5–5.5 km/h
  • Swing Speed: ~11 rpm

Hydraulic System

  • Main Pump Type: Variable displacement axial piston pump
  • Flow Rate: ~2 × 170 L/min
  • System Pressure: Up to 31.5 MPa
  • Hydraulic Oil Capacity: ~220–240 liters
  • Boom Cylinder Bore: ~120 mm
  • Arm Cylinder Bore: ~105 mm
  • Bucket Cylinder Bore: ~95 mm

Performance Metrics

  • Bucket Capacity: 0.6–0.8 m³
  • Max Digging Depth: ~5.5 meters
  • Max Reach (Horizontal): ~8.9 meters
  • Max Dump Height: ~6.0 meters
  • Bucket Digging Force: ~110–120 kN
  • Arm Digging Force: ~85–95 kN

Cab and Operator Features

  • Cab Type: ROPS/FOPS certified
  • Display: LCD monitor with diagnostics and fuel tracking
  • Controls: Ergonomic joysticks with customizable sensitivity
  • Comfort: Air-conditioned cab, adjustable suspension seat
  • Visibility: Panoramic glass with optional rear-view camera

Smart Features and Efficiency

  • Eco Mode: Adaptive engine output for fuel savings
  • Auto Idle: Reduces RPM during inactivity
  • Centralized Lubrication: Optional for reduced maintenance
  • Telematics Ready: Some refurbished units support remote diagnostics

Attachments Compatibility

  • Standard Bucket: 0.6–0.8 m³ earth or rock bucket
  • Optional Tools: Hydraulic breaker, grapple, compactor, ripper
  • Quick Coupler: Hydraulic or manual options available

Refurbishment Scope

Refurbished SY155 units typically include:

  • Engine overhaul (injectors, turbo, seals)
  • Hydraulic pump recalibration or replacement
  • Electrical system rewiring and sensor testing
  • Cab restoration (seat, controls, HVAC)
  • Structural repairs (boom welding, bushing replacement, repainting)

These specs make the SY155 ideal for foundation excavation, pipe laying, landscaping, and small-scale demolition.

Refurbishment Scope and Quality Indicators

Refurbished SY155 excavators vary in quality depending on the supplier and original usage. A high-quality refurbishment typically includes:

  • Engine Overhaul: Turbocharger cleaning, injector replacement, cylinder head inspection
  • Hydraulic System Restoration: Pump recalibration, valve block testing, hose replacement
  • Undercarriage Rebuild: Track link replacement, roller inspection, sprocket wear correction
  • Cab Reconditioning: Seat replacement, joystick recalibration, monitor diagnostics
  • Structural Repairs: Boom and arm crack welding, bushing replacement, repainting

Units with fewer than 2,000 operating hours and no history of major failure are often labeled “90% new.” Some suppliers offer test reports showing no oil leakage, stable hydraulic pressure, and full-function diagnostics.

Smart Features and Operator Comfort

Modern SY155 models—and well-refurbished units—include:

  • Eco Mode: Reduces fuel consumption during light-duty operations
  • Auto Idle: Automatically lowers engine RPM during inactivity
  • Real-Time Monitoring: LCD display with fault codes, fuel usage, and maintenance alerts
  • ROPS/FOPS Cab: Certified for rollover and falling object protection
  • Ergonomic Layout: Adjustable seat, panoramic visibility, low vibration controls

These features contribute to reduced operator fatigue and improved jobsite productivity.

Attachments and Versatility

The SY155 supports a wide range of attachments:

  • Standard Bucket: 0.6–0.8 m³ earth or rock bucket
  • Hydraulic Breaker: For demolition and concrete removal
  • Grapple: For forestry and scrap handling
  • Compactor: For roadwork and trench stabilization
  • Ripper: For hard soil and frozen ground

Quick coupler systems allow fast switching between tools, making the SY155 suitable for multi-role deployment.

Market Trends and Pricing

Refurbished SY155 excavators are widely available in China, especially in Shanghai, where dealers maintain inventories of thousands of units. Pricing typically ranges from ¥260,000 to ¥360,000 RMB ($35,000–$49,000 USD), depending on condition, attachments, and refurbishment level.

Buyers should verify:

  • Operating Hours: Lower hours suggest less wear
  • Component Authenticity: Original SANY or Isuzu parts preferred
  • Test Reports: Confirm hydraulic performance and engine health
  • Warranty Terms: Some suppliers offer 3–6 month limited warranties

Field Story: A Comeback in the City Core

In 2022, a municipal contractor in Chengdu acquired a refurbished SY155C for a sewer upgrade project in a dense residential zone. The machine had previously worked in a gravel pit and was restored with a new hydraulic pump and rebuilt undercarriage. Over the next 1,100 hours, the excavator handled trenching, pipe placement, and backfill without major issues. The contractor reported fuel savings of 11% compared to its older Volvo EC140 and praised the SY155’s agility in narrow alleyways.

Recommendations for Buyers

  • Inspect Before Purchase: Check engine, hydraulics, and undercarriage in person
  • Request Maintenance Records: Even partial logs help assess prior usage
  • Test Attachments: Ensure compatibility and performance
  • Choose Reputable Suppliers: Prefer those with export licenses and transparent practices
  • Consider Telematics: Some refurbished units support remote diagnostics

Conclusion

The refurbished SANY SY155 excavator offers a compelling mix of compact power, efficiency, and affordability. With proper inspection and sourcing, it can serve as a reliable workhorse across urban construction, landscaping, and infrastructure projects. For contractors seeking performance without the premium of a new unit, the SY155 stands as a smart investment with proven field results.

Our Commitment

  1. 2 years / 4000 hours warranty.
  2. EPA certified.
  3. No sweatshop labor.

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