三一重工 SY 75 C

I. Factory Standard Equipment Standard Earthmoving Bucket: 0.11m³ Dual Auxiliary Breaker Hydraulic Piping: Main and secondary hydraulic circuits (standard) Front Dozer Blade (with float function) – 300mm Rubber Tracks II. Bucket Options Trenching Bucket (0.07–0.09m³): For cable trenching, yard slotting Small Rock Bucket (0.10m³): For hard soil, crushed stone Screening Bucket: For sifting sand/soil and construction waste III. Breaking & Demolition 53/55-Series Hydraulic Breaker (primary option – for breaking ground slabs, demolishing walls) IV. Material Handling Attachments Hydraulic Thumb (bucket + thumb integrated – for gripping rocks, pipes, tree roots) Small Rotating Log Grapple (for gripping branches, waste material) V. Special Attachments Hydraulic Quick Coupler: For fast switching between bucket/breaker/grapple Small Hydraulic Auger: For tree planting, small solar piling, foundation drilling Micro Vibratory Compactor: For trench edge and corner compaction

The SANY SY75C is a high-volume 7-tonne-class small crawler excavator. The export version is powered by an Isuzu 4LE2 four-cylinder direct-injection engine rated at 43 kW/2100 rpm and complies with Tier 3 emission standards with no urea aftertreatment, offering relatively relaxed fuel quality requirements for markets such as Africa, Southeast Asia and Latin America. Its hydraulic system is a load-sensing type with a main pump flow of 168 L/min. Combined with the quick-return circuit on the arm cylinder, it achieves faster single-function speeds and better flow distribution for combined operations, with lower fuel consumption than the earlier 149 L/min version. An auto-deceleration function drops engine speed to idle after roughly 3.5 seconds without joystick input, which the manufacturer states saves 5%–10% fuel. A dozer blade with increased travel comes as standard, making it well suited to backfilling, levelling and pipe or cable burial work. It is mainly used for municipal pipeline trenching, landscaping, rural infrastructure, road auxiliary works, foundation excavation, site grading and light breaking. At 7,280 kg with a transport width of 2,220 mm, it is convenient for container and flatbed transport. As a Chinese-brand machine it offers fast parts supply and low purchase cost, and its used-unit circulation overseas keeps growing, making it a common 7-tonne choice in foreign trade that balances cost performance and uptime.