Used Sany 235 Excavator

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Here is a detailed introduction to the SANY SY235 excavator, a popular 23‑ton class machine from SANY Heavy Industry. The model is often referred to as the SY235C (standard) or SY235H (heavy‑duty version). The following covers its design philosophy, key features, specifications, and applications.

Overview

The SANY SY235 is a mid‑size hydraulic excavator engineered for versatility, fuel efficiency, and operator comfort. With an operating weight of approximately 23.5 tonnes, it sits in the sweet spot for general construction, earthmoving, utility work, and light quarry applications. The machine combines a powerful, emission‑compliant engine with an advanced hydraulic system to deliver fast cycle times and precise control, while keeping fuel consumption low.

Key Features

Engine & Power

Powered by an in‑house developed or jointly produced diesel engine (commonly a SANY‑branded unit or a reliable Cummins/Isuzu derivative depending on the market), the SY235 typically delivers around 128–133 kW (172–178 hp) at 2,000 rpm.
The engine meets Tier 3 / Stage IIIA or Tier 4 Final / Stage IV emission standards (varies by region) using technologies such as high‑pressure common rail injection, exhaust gas recirculation (EGR), and a diesel particulate filter (DPF) where required.
An automatic idle and engine speed control helps reduce unnecessary fuel burn during standby.

Hydraulic System

A load‑sensing, closed‑center hydraulic system with variable‑displacement piston pumps ensures that oil flow matches demand exactly, minimizing energy loss.
Boom and arm regeneration circuits recycle oil during lowering movements, speeding up the cycle and reducing pump load.
Auxiliary hydraulic lines with proportional control are standard, making the machine ready for attachments such as breakers, grabs, and thumbs.
The main pump flow can reach up to 2 × 220 L/min, providing rapid response and strong breakout force.

Structure & Durability

The undercarriage is a robust X‑frame design with reinforced track links, sealed and lubricated track rollers, and idlers. Heavy‑duty options include full‑length track guiding guards.
The boom and arm are fabricated from high‑tensile steel with internal baffle plates at stress points, and all welds undergo ultrasonic inspection. The design reduces weight while increasing resistance to torsional and bending loads.
The superstructure uses a reinforced D‑type frame and a thick‑walled slewing ring for long‑term durability.
A standard heavy‑duty counterweight (approximately 4.0–4.5 t) ensures excellent stability during lifting and digging operations.

Operator Environment

The ROPS/FOPS‑certified cab is pressurized and isolated on viscous mounts to cut noise and vibration. Interior sound levels are around 70 dB(A).
A high‑back, air‑suspension seat with adjustable armrests, a 7‑inch colour LCD monitor, and ergonomic pilot controls reduce fatigue.
Automatic climate control, AM/FM/Bluetooth radio, USB charging ports, and generous storage spaces are included.
Large front, side, and overhead windows, combined with a rear‑view camera (standard on many trims), give excellent all‑round visibility.

Maintenance & Connectivity

Wide‑opening engine hoods and side doors allow ground‑level access to filters, fluid checkpoints, and the radiator/oil cooler pack. The cooling pack can tilt out for easy cleaning.
Centralized grease points for the swing bearing and boom foot reduce daily service time.
SANY’s telematic system (often called “SANY Cloud” or “EVI”) enables remote monitoring of machine location, fuel level, working hours, fault codes, and maintenance alerts via a web portal or mobile app.

Technical Specifications (Typical SY235C)

Category	Specification
Operating weight	23,500 – 24,000 kg (51,800 – 52,900 lb)
Engine rated power	128.5 kW (172 hp) @ 2,000 rpm
Max. torque	~750 Nm @ 1,300–1,500 rpm
Bucket capacity	1.0 – 1.2 m³ (1.3 – 1.6 yd³) heaped
Max. digging depth	6,750 mm (22 ft 2 in)
Max. digging reach (ground)	10,240 mm (33 ft 7 in)
Max. dumping height	6,750 mm (22 ft 2 in)
Bucket breakout force	159 kN (16.2 t)
Arm breakout force	114 kN (11.6 t)
Swing speed	11.8 rpm
Travel speed (low/high)	3.5 / 5.8 km/h
Gradeability	35° (70%)
Tail swing radius	2,850 mm (9 ft 4 in)
Track shoe width	600 mm (standard); 700 or 800 mm optional
Ground pressure	48.5 kPa (with 600 mm shoes)
Fuel tank	380 L
Hydraulic tank	220 L
Overall length (transport)	9,750 mm
Overall width	2,990 mm
Overall height (to top of cab)	3,050 mm

Note: Specifications vary slightly by configuration, emission package, and optional equipment.

Applications

The SY235 excels in:

General construction: Foundation excavation, backfilling, trenching for utilities, and site preparation.
Road building: Slope cutting, ditching, and material handling.
Demolition: With optional high‑reach front or hydraulic breaker, it handles light to medium demolition tasks.
Quarry and aggregates: Loading trucks, secondary breaking, and stockpile management.
Landscaping and agriculture: Precision grading, pond digging, and tree removal with a thumb.

Its combination of power, reach, and lifting capacity (over 4 tonnes at a 4.5 m radius) makes it a reliable tool on diverse job sites.

Advantages Over Previous Generations

Compared to earlier SANY 23‑tonne models (e.g., SY230), the SY235 brings:

Lower fuel consumption (up to 8% improvement) due to optimized engine‑pump matching and reduced hydraulic losses.
Faster cycle times from larger‑diameter hydraulic cylinders and improved valve spool dynamics.
Enhanced cab comfort with reduced interior noise and better air conditioning.
A more robust electrical system with CAN‑bus architecture, enabling easier diagnostics and fewer wiring faults.
Improved cold‑starting capability and high‑temperature cooling performance, thanks to a larger radiator and variable‑speed fan.

Summary

The SANY SY235 excavator delivers a balanced blend of power, precision, and economy. Its durable structure, intelligent hydraulic system, and operator‑focused cabin make it a strong competitor in the 23‑tonne class. Whether used by a small contractor or a large fleet, the machine is designed to maximize uptime and lower the total cost of ownership while meeting the demands of modern construction.

Non flooded

No accident

Original product

Used Sany 235 Excavator

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