Used Sany 55-9 Excavator

Reading: 2015

SANY SY55C-9 (SANY 55-9) Compact Crawler Excavator Detailed Introduction

The SANY SY55C-9 (commonly referred to as SANY 55-9) is a 5.5-ton class compact crawler excavator developed and manufactured by SANY Heavy Industry, one of the world’s leading construction machinery manufacturers. As a classic best-selling model in SANY’s small excavator lineup, it is renowned for its high operation efficiency, low fuel consumption, outstanding durability and user-friendly design, and is widely deployed in small and medium-sized construction scenarios across global markets.

1. Core Specifications

Item	Specific Parameter
Operating Weight	5,300 – 5,500 kg
Power System	Yanmar 4TNV88 water-cooled 4-stroke diesel engine
Rated Power	35.5 kW @ 2,200 rpm
Emission Standard	EU Stage III A / China National III
Standard Bucket Capacity	0.21 m³ (optional 0.18 – 0.25 m³)
Max. Travel Speed (High/Low)	4.2 km/h / 2.2 km/h
Max. Swing Speed	11 rpm
Max. Digging Depth	3,810 mm
Max. Digging Radius	6,080 mm
Max. Digging Height	5,710 mm
Max. Dumping Height	4,010 mm
Gradeability	30°
Fuel Tank Capacity	130 L
Hydraulic Oil Capacity	110 L

2. Key Performance Advantages

2.1 High-efficiency Power & Hydraulic System

The original imported Yanmar engine features strong power output, low noise, low vibration, and excellent cold start performance (it can start normally at -15℃ without auxiliary devices). Compared with competing products of the same class, its fuel consumption is 10-15% lower, with an hourly fuel consumption of only 3-5L under standard working conditions.
It adopts SANY’s proprietary positive flow hydraulic system with load-sensing control, delivering fast response, precise action control, and excellent coordination of composite actions (such as simultaneous boom lifting, swinging and bucket closing). The hydraulic efficiency is 8-12% higher than traditional negative flow systems, effectively reducing energy loss while improving operation efficiency by 10%.

2.2 Super Durability & Reliability

The boom, arm and bucket are made of high-strength Q355B structural steel, welded by industrial robots and subject to secondary stress relief treatment, with strong torsion and impact resistance, adapting to long-term heavy-load operations.
The X-type reinforced chassis frame is matched with high-wear-resistant steel track shoes. All supporting wheels, carrier rollers and idlers adopt a multi-layer sealed lubrication structure, which effectively prevents mud and water from entering, extending the service life of undercarriage parts by 20% compared with competing products.
Key electrical components are designed with IP67 waterproof grade, adapting to harsh working environments such as rainy days and dusty sites.

2.3 Comfortable & Safe Operation

The cab is certified with ROPS (Roll-over Protective Structure) and FOPS (Falling Object Protective Structure), which fully guarantees the safety of operators in case of rollover or falling object accidents.
Equipped with a fully adjustable suspended shock-absorbing seat and ergonomic hydraulic pilot control lever with small operating force, it can effectively reduce operator fatigue after long hours of work. The cab is also equipped with a high-efficiency heating and cooling air conditioner, USB charging port, radio and other humanized configurations, with a wide field of view to minimize operation blind spots.
Standard safety configurations include a hydraulic pilot lock, travel alarm, swing alarm, and emergency descent function for the working device (the boom and bucket can be lowered normally even when the engine is accidentally shut off), to avoid misoperation and safety risks.

2.4 Easy Maintenance

All daily inspection points (engine oil dipstick, fuel filter, hydraulic oil filter, air filter, etc.) are arranged at ground-accessible positions, no need to climb on the machine for routine maintenance, saving more than 30% of maintenance time.
The two-stage air filtration system and fuel pre-filter device adapt to low-quality fuel and dusty working conditions, extending the service life of the engine. The built-in fault self-diagnosis system displays fault codes in real time on the instrument panel, which facilitates quick troubleshooting.

3. Applicable Scenarios

The compact size and flexible operation performance make the SANY 55-9 suitable for a wide range of scenarios:

Municipal engineering: Trench digging for water supply, drainage and cable pipelines, pavement breaking, road maintenance, etc.
Landscaping: Tree planting pit digging, terrain shaping, nursery stock handling, garden construction.
Rural infrastructure: House foundation excavation, small water conservancy project construction, rural road leveling, farmland renovation.
Limited space operation: Indoor demolition, basement construction, factory material handling.
Other scenarios: Scrap handling, gravel loading, snow removal, etc., when matched with corresponding attachments.

4. Optional Configurations

Users can choose optional configurations according to actual working needs:

Hydraulic breaker and pre-installed breaker pipeline
Quick coupler for fast attachment replacement
Wood grapple, tilting bucket, auger, ripper
Rubber track pads (to avoid damaging asphalt and cement pavement)
Heightened dozer blade
Rear view camera, 360° surround view system

5. After-sales Support

SANY has more than 6,000 after-sales service outlets around the world, providing 24/7 on-site service, original spare parts supply, and a 1-year or 2000-working-hour whole-machine warranty. The SANY 55-9 also has a high residual value in the second-hand construction machinery market, with a 3-year residual rate of more than 60%, which is higher than most competing products in the same class.

Non flooded

No accident

Original product

Used Sany 55-9 Excavator

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