三一重工 STC 250 S

Product Overview The SANY STC250S is a 25-ton class truck crane manufactured by SANY Group, the largest construction equipment manufacturer in China. Production is based in Changsha, Hunan Province, China. This model belongs to the mobile crane category - specifically a truck crane (also known as an auto crane), which features a truck chassis for highway travel. Used in construction, bridge building, industrial equipment installation, municipal engineering, and port logistics. Key Specifications Max Lifting Capacity: 25,000 kg (25 tons) Max Lifting Height (main boom + jib): 49 m Main Boom Length: 40.5 m (full extension) Max Lifting Moment (basic boom): 1,029 kN·m Max Lifting Moment (full main boom): 573 kN·m Transport Length: 12,850 mm Transport Width: 2,500 mm Transport Height: 3,650 mm Gross Weight (traveling): 32,400 - 33,000 kg Travel Speed: 89 km/h max Gradeability: 40% Min Turning Radius: 10.5 m Engine Powered by a diesel engine delivering 206 kW (276 hp) at 2,200 rpm. Max output torque is 1,112 N·m at 1,300-1,500 rpm. Fuel consumption: 34.5 L/100 km. Emission standards available: Tier 3 or Tier 4 equivalent for different export markets. Boom System 5-section U-shaped fully hydraulic telescopic boom. Basic boom length: 10.6 m. Fully extended main boom: 40.5 m. With optional jib: 48.5 m total boom length. U-shaped boom design reduces weight by 50% while improving overlap length and lifting performance. Work Ranges Max Lifting Height - Basic Boom: 11.3 m Max Lifting Height - Main Boom: 41 m Max Lifting Height - Main + Jib: 49 m Basic Working Radius: 3 m minimum Outrigger Span (Longitudinal x Lateral): 6.2 m x 5.3 m Performance Speeds Main Winch Single Rope Speed: 130 m/min max Boom Extending/Retracting Time: 100 s each Boom Raising/Lowering Time: 45/55 s Swing Speed: 2.2 r/min Outrigger Extending/Retracting: 30/25 s (horizontal), 35/30 s (vertical) Operator Cab Two cabs: driving cab for road travel, operating cab for lifting operations. Ergonomically designed with large glass areas for good visibility. The driving cab features a sleeper berth for operator comfort during long-distance travel. Air conditioning available. Chassis Number of axles: 3. Carrier configuration: 6x4. Fuel tank capacity: 300 L. Hydraulic tank capacity: approximately 400 L. Counterweight: 6,500 kg. Safety Features Load moment indicator with audible and visual warnings. Anti-two block device prevents hook from contacting boom tip. Outrigger interlock system ensures safety during lifting operations. Emergency stop buttons. Applications Construction sites and building projects Bridge girder installation Factory and industrial equipment installation Municipal engineering and infrastructure Port and dock cargo handling Emergency rescue operations Advantages Proven U-shaped boom design with 40.5m full extension. 89 km/h travel speed for quick job-to-job transfer. Fuel efficient engine with 34.5 L/100 km consumption. Strong resale value in used markets. Global SANY parts and service network. Made in China with competitive pricing. Summary The SANY STC250S is a reliable 25-ton truck crane suitable for contractors worldwide. For second-hand units, inspection reports and working videos available upon request.