Used Sany 155 Excavator

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SANY SY155 Crawler Excavator Detailed Introduction

The SANY SY155 is a 15-ton class medium-sized crawler excavator developed by SANY Heavy Industry, a global top 3 construction machinery manufacturer. It is engineered to balance high work efficiency, low operating cost, operator comfort and environmental compliance, and is widely favored by construction contractors, rental fleet operators and individual owners across more than 150 countries and regions. There are also short-tail (SY155U) variants for extremely confined job sites to expand applicable scenarios.

Core Specifications (Standard Configuration)

Parameter	Details
Operating Weight	14,800 – 15,500 kg
Engine Model	Isuzu 4JJ1 series turbocharged water-cooled diesel engine
Rated Net Power	86 kW @ 2200 rpm
Emission Standard	EU Stage V / US Tier 4 Final / China National IV
Bucket Capacity	0.58 – 0.75 m³ (optional general purpose bucket, rock bucket, ditch cleaning bucket)
Max Digging Depth	5,540 mm
Max Digging Reach	8,350 mm
Max Dumping Height	6,050 mm
Swing Speed	12 rpm
Travel Speed	3.3 km/h (low) / 5.4 km/h (high)
Gradeability	70% (35°)
Fuel Tank Capacity	280 L
Hydraulic Oil Change Interval	5,000 operating hours

Key Performance Features

1. High Efficiency & Low Fuel Consumption

The matched Isuzu engine adopts electronic fuel injection technology, paired with SANY's independently developed intelligent power control system, delivering 8-10% lower fuel consumption than competing models in the same class. It supports 3 adjustable working modes:

P (Power) mode: For heavy-duty operations such as hard rock excavation
E (Economy) mode: For light to medium tasks such as land clearing and material loading, reducing unnecessary fuel loss
L (Lifting) mode: For heavy lifting operations, ensuring stable outputThe 3-second automatic idle function further cuts fuel waste during non-operation intervals, with actual field fuel consumption only 8-11 L/h under common working conditions.

2. Precise & Stable Hydraulic System

It is equipped with a load-sensitive proportional control hydraulic system, optimized for composite action coordination. Operations such as simultaneous digging, swinging and boom lifting run smoothly without lag, improving overall operating efficiency by 10% compared to peer products. The built-in buffer valve reduces hydraulic impact, extending the service life of hydraulic components by more than 15%.

3. Ultra-High Structural Durability

Key structural parts including the boom, arm, and chassis are made of high-strength wear-resistant steel, optimized via finite element analysis and robot welding with stress relief treatment, adapting to extreme working conditions such as mines and frozen soil. The track system adopts fully sealed supporting wheels and track rollers, with a service life of more than 8,000 hours under normal use.

4. Safe & Comfortable Operating Experience

The cab is ROPS (Roll Over Protective Structure) and FOPS (Falling Object Protective Structure) certified, ensuring operator safety in high-risk scenarios
The floating cab with shock absorption design reduces whole-body vibration by 20%, and the interior noise is only 72 dB(A), reaching car-level quietness
It is equipped with an adjustable air suspension seat, ergonomic pilot control handle (operating force reduced by 30%), high-efficiency air conditioning, USB charging port and 8-inch full-color LCD monitor for real-time equipment status display
Standard rear view camera eliminates blind spots, improving operation safety.

5. Convenient Maintenance

All routine maintenance points are arranged at ground-accessible positions, and filters (oil filter, fuel filter, air filter) can be replaced directly after opening the side cover, no climbing required. SANY's remote IoT monitoring system supports real-time fault warning and remote diagnosis, reducing non-operating time by 30%. SANY provides a standard 1-year/2000-hour warranty, with 24/7 after-sales service and localized spare parts supply worldwide.

Application Scenarios

The SANY SY155 is suitable for a wide range of operations:

Municipal engineering: Pipe laying, road renovation, urban greening construction
Building construction: Foundation excavation, material loading, site clearing
Water conservancy and agricultural projects: River dredging, land reclamation, farmland consolidation
Light mining and quarrying: Soft rock excavation, ore loading
Special operations: Can be matched with attachments such as breakers, grab buckets, and rippers for demolition, waste sorting and other scenarios. Its compact body (transport width of 2,490 mm) is especially suitable for construction in narrow sites such as urban areas and country roads.

Market Advantages

The SY155 has a 15% higher residual value than competing products of the same class after 3 years of use, and the overall operating cost is 12% lower, making it one of the most cost-effective 15-ton excavators in the global market, with extremely high return on investment for rental and self-use users.

Non flooded

No accident

Original product

Used Sany 155 Excavator

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