Used Sany 155 Excavator

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Detailed Introduction to SANY SY155 Crawler Excavator

The SANY SY155 (officially named SY155C series) is a 15-ton class medium crawler excavator developed and manufactured by SANY Heavy Industry, a global leading construction machinery manufacturer. It is designed for general construction scenarios, balancing high working efficiency, low fuel consumption, durability and operator comfort, and is widely sold in markets across Europe, North America, Southeast Asia, China and other regions, with emission versions meeting EU Stage V, US Tier 4 Final and China IV standards.

1. Key Specifications

Item	Parameter
Operating weight	15,200 – 15,800 kg
Engine model	Isuzu 4JJ1X turbocharged intercooled diesel engine
Rated power	86 kW @ 2,000 rpm
Bucket capacity	0.58 – 0.71 m³
Max. digging depth	5,540 mm
Max. digging height	8,610 mm
Max. dumping height	6,120 mm
Max. digging reach	8,320 mm
Bucket digging force	102 kN
Arm digging force	73 kN
Swing speed	12.5 rpm
Travel speed (high/low)	5.6 / 3.3 km/h
Gradeability	35° (70%)
Comprehensive fuel consumption	7 – 9 L/hour

2. Core Performance Highlights

2.1 High-efficiency Powertrain & Hydraulic System

The matched Isuzu diesel engine has proven reliability, low noise and low emission, with strong power output for heavy-load working conditions.
Equipped with SANY’s self-developed positive flow hydraulic system, the response speed of the actuator is 10% faster than similar products, the compound action coordination is excellent, and the hydraulic energy loss is reduced by more than 8%, which effectively lowers fuel consumption while ensuring operation efficiency. The cycle time of a standard digging-dumping-return action is only 2.8 seconds, leading the same class.

2.2 Super Durability

The boom, arm and main frame are made of high-strength wear-resistant steel, welded by industrial robots, and have passed more than 2,000 hours of extreme working condition tests (impact, heavy load, high/low temperature), and the service life of structural parts is 30% longer than industry average.
The undercarriage components (track shoe, carrier roller, idler) are made of hardened wear-resistant materials, and the electrical components meet IP67 dustproof and waterproof standard, suitable for harsh working scenarios such as mining, water conservancy and dusty construction sites.
Equipped with boom holding valve and overload protection system, to avoid safety risks caused by arm falling and component overload.

2.3 Operator Comfort

The cab meets ROPS (Roll-Over Protective Structure) and FOPS (Falling Object Protective Structure) international safety certification, with sealed sound insulation design, the indoor operating noise is lower than 75 dB.
Equipped with multi-adjustable air suspension seat, low-effort electro-hydraulic control joystick, and automatic constant temperature air conditioning, which greatly reduces fatigue of long-time operation.
The 10-inch high-definition intelligent display supports real-time viewing of operating parameters, one-click fault self-check, and is equipped with Bluetooth audio, USB charging and other humanized configurations.

2.4 Easy Maintenance

All daily maintenance points (oil filter, fuel filter, air filter, oil filling port) are arranged at ground-accessible positions, no need to climb the machine to complete routine maintenance, which saves maintenance time by 40%.
The replacement cycle of hydraulic oil is up to 5,000 hours, which greatly reduces the long-term operating cost.

3. Applicable Scenarios

The SANY SY155 is suitable for a wide range of operation scenarios:

Municipal engineering: trench digging, pipeline laying, road maintenance, urban demolition
Landscaping: pit digging for planting, site leveling
Small and medium-sized earthwork: foundation excavation, earth transfer at construction sites
Agriculture and forestry: land consolidation, timber grabbing, farmland water conservancy construction
Special operations: can be equipped with a variety of attachments (hydraulic breaker, log grab, ripper, auger) to meet diversified operation needs.

4. Global After-sales Support

SANY provides perfect after-sales service for SY155 users worldwide:

24/7 on-site service response in most regions, and spare parts warehouses are set up in more than 150 countries to ensure timely supply of spare parts.
The SYNC intelligent management system supports remote monitoring of equipment operating status, fault early warning, and operation data statistics, which helps users realize intelligent fleet management.
The core components enjoy a long warranty period, reducing the after-sales cost of users.

Conclusion

The SANY SY155 is a cost-effective choice in the 15-ton excavator segment, with excellent comprehensive performance that can meet the needs of most small and medium-sized construction scenarios, and is widely praised by global users for its low operating cost and high residual value.

Non flooded

No accident

Original product

Used Sany 155 Excavator

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