Used Sany 155 Excavator

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Detailed Introduction to SANY SY155 Series Excavator

The SANY SY155 is a 15-ton class medium crawler excavator independently developed by SANY Heavy Industry, designed for global construction markets. It is positioned as a multi-purpose, high-efficiency, low-consumption equipment suitable for diversified working conditions, with two mainstream variants for different scenarios: the standard SY155C for conventional construction, and the short-tail SY155U for narrow-space operations.

1. Core Specifications (Standard SY155C Reference)

Item	Parameter
Operating Weight	15,200 – 15,800 kg
Standard Bucket Capacity	0.58 – 0.7 m³ (customizable for rock bucket, grid bucket, etc.)
Rated Power	86 kW @ 2200 rpm
Max Bucket Digging Force	102 kN
Max Arm Digging Force	73 kN
Max Digging Depth	5,540 mm
Max Digging Radius	8,250 mm
Max Dumping Height	6,200 mm
Travel Speed (Low/High)	3.2 / 5.4 km/h
Swing Speed	12 rpm
Gradeability	35°

2. Power System

The SY155 is equipped with an Isuzu 4-cylinder water-cooled turbocharged diesel engine, which meets EU Stage V / U.S. Tier 4 Final / China IV emission standards, and can be adjusted to lower emission configurations for emerging markets:

High low-end torque output, strong overload resistance, supports normal operation at altitudes up to 4000m and -15℃ cold start without auxiliary equipment.
Matched with SANY's self-developed adaptive power matching system, which automatically adjusts engine output according to real-time load, reducing unnecessary fuel consumption by 10~15% compared with同类 products.

3. Hydraulic System

It adopts SANY's mature positive flow control hydraulic system, with core components (main pump, main valve, motor) supplied by international top brands such as Kawasaki:

15% faster response speed than traditional negative flow systems, excellent coordination of compound actions (smooth simultaneous operation of digging, swinging, traveling).
Built-in buffer valve design reduces hydraulic impact, extends component service life, and the hydraulic oil replacement cycle is extended to 5000 hours, greatly reducing maintenance costs.

4. Structural Durability

All key structural parts are optimized by finite element analysis and made of high-strength wear-resistant steel:

Boom, arm and undercarriage are reinforced with thickened plates at high stress positions, and have passed 10,000 hours of heavy-duty condition testing before delivery.
Heavy-duty track with self-lubricating bushing, wear life increased by 30% compared with ordinary tracks.
Large-diameter slewing bearing with strong load-bearing capacity, suitable for long-term high-frequency slewing conditions.

5. Operation & Safety

The cab is certified by ROPS (Roll-over Protection Structure) and FOPS (Falling Object Protection Structure), with industry-leading comfort configuration:

High airtightness design, indoor operating noise is lower than 75dB(A).
Multi-directionally adjustable suspended shock-absorbing seat, ergonomic low-force operating joystick, which reduces operator fatigue during long hours of work.
HD full LCD instrument panel, which displays equipment operating status, fault alarm and other information in real time, optional reversing camera to eliminate blind spots.

6. Intelligent Management & Easy Maintenance

Equipped with the SANY SYNC remote monitoring system, which supports real-time positioning, operating data viewing, fault early warning and remote diagnosis, making it convenient for fleet managers to control equipment status.
All daily maintenance points are designed to be accessible from the ground, no need to climb the car for inspection. The overall maintenance cost is 20% lower than that of competing products of the same level.

7. Application Scenarios

The SY155 can be adapted to a variety of working conditions by replacing different attachments (breaker, wood grabber, auger, pile driver, etc.):

Municipal engineering: pipeline laying, road maintenance, landscaping, narrow space reconstruction (short-tail SY155U is preferred for this scenario)
Civil construction: foundation excavation, material handling, house demolition
Agriculture and forestry: land consolidation, forestry logging, water conservancy construction
Small mining: ore loading, overburden stripping

With high operation efficiency, low fuel consumption and perfect global after-sales service network, the SANY SY155 has become one of the best-selling 15-ton excavators in the global market, with a 15% higher residual value than similar products after 3 years of use.

Non flooded

No accident

Original product

Used Sany 155 Excavator

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