Sany STC250C5-1 Load Chart PDF + Specifications

The Sany STC250C5-1 was developed as an upgraded variant within Sany’s 25-ton truck crane platform, emphasizing structural rigidity, compact transport dimensions, and improved hydraulic responsiveness. Designed for building construction, power line installation, municipal maintenance, and general industrial applications, the model integrates a long five-section telescopic boom with a reinforced chassis structure to ensure stable lifting performance in confined job sites.

The crane is equipped with a five-section large cross-section U-shaped telescopic boom extending to a maximum length of 42.5 meters. The optimized overlap ratio and single-plate boom head design enhance structural strength and load transfer efficiency, improving safety under suspended load conditions. The hydraulic telescoping system enables full boom extension and retraction in 100 seconds, while full luffing up and down takes 38 seconds and 45 seconds respectively, ensuring efficient job cycle times.

In terms of hoisting performance, the main winch achieves a maximum single-line speed of 135 m/min. The slewing system provides a maximum rotation speed of 2.5 r/min, allowing quick and precise positioning of loads. The crane adopts a dual variable displacement piston pump system with intelligent flow distribution, enabling independent luffing and coordinated combined movements. This configuration enhances operational smoothness and minimizes interference between compound functions.

The carrier adopts a newly designed 2.55-meter-wide heavy-duty chassis with reinforced rectangular-section frame construction to improve torsional and bending resistance. The outrigger span measures 6.4 meters transversely and 5.4 meters longitudinally, providing stable 360-degree lifting capability. The overall machine dimensions are 13,000 mm in length, 2,550 mm in width, and 3,590 mm in height, allowing convenient road transport while maintaining structural robustness. Gross vehicle weight is rated at 34,000 kg, and the maximum counterweight configuration reaches 3.34 tons.

Power is supplied by a Shangchai SC9DF300.1Q5 diesel engine compliant with China V emission standards. The engine delivers a maximum output of 221 kW at 2,200 rpm and a peak torque of 1,250 N·m between 1,300 and 1,500 rpm. The drivetrain is paired with a Fast 9JS135T-B 9-speed manual transmission, providing reliable torque transfer for both urban driving and jobsite maneuvering.

Travel performance includes a maximum road speed of 90 km/h and a minimum turning radius of 10.5 meters, ensuring good maneuverability in restricted working environments. The maximum gradeability reaches 42 percent, supporting site access on inclined terrain. Approach and departure angles are 11° and 12° respectively, with a minimum ground clearance of 234 mm, allowing practical adaptability on uneven surfaces.

The hydraulic system incorporates an intelligent energy-saving mode with selectable working configurations to optimize fuel consumption under varying load conditions. Combined with electro-proportional control valves and ergonomic joystick operation, the system ensures precise load handling and stable combined movements.

Overall, the Sany STC250C5-1 combines a 42.5-meter five-section boom, 221 kW China V powertrain, 2.5 r/min slewing speed, and reinforced 2.55-meter chassis into a compact yet capable 25-ton hydraulic truck crane. Its balanced configuration between lifting performance, transport efficiency, and structural durability makes it well suited for a wide range of light-to-medium duty lifting applications.