三一重工 STC550T5

55t main hook block, 14 tons full counterweight, 16m fixed extension jib, LMI load moment indicator, anti-tipping safety alarm system, air-conditioned operator cabin, full maintenance tool box, spare tire, outrigger pads

For sale well-maintained 2021 Sany STC550T5 55-ton truck crane, only 3600 working hours, China National V emission standard, mature and reliable Sany original design, widely popular in global construction, municipal, bridge, warehouse and rental fleets. This 55t mobile crane adopts 5-section large U-shaped main boom with full extension length 47.5m, matched 16m auxiliary jib, maximum lifting height reaches 63.5m, powerful lifting performance with maximum lifting moment 2254kN·m. Equipped with 7.7m wide transverse outrigger span and 14 tons full counterweight, greatly improve overall stability during heavy lifting operation, anti-tipping early warning system ensures 100% operation safety. Powered by Weichai WP9H336E62 turbo diesel engine, rated power 247kW, matched 10-speed synchronized transmission, strong climbing capacity up to 45°, maximum driving speed 90km/h, suitable for long-distance highway transition with 400L large fuel tank for long endurance. Heavy-duty 4-axle Sany dedicated crane chassis, high-strength rectangular frame, excellent torsion resistance under complex road conditions. Adopts imported Casappa high-pressure plunger pump and intelligent double-pump flow distribution hydraulic system, independent luffing and combined boom extension, smooth compound action control, low fuel consumption and less failure rate. Main & auxiliary winch single rope speed up to 145m/min, boom full extend/retract only 100/110 seconds, high working efficiency for high-rise installation and heavy hoisting jobs. Spacious ergonomic operator cabin equipped with automatic air conditioning, digital multi-function dashboard, real-time LMI load moment display, clear camera monitoring around the machine, adjustable suspension driver seat to reduce long-operation fatigue. All electrical wiring, hydraulic cylinders, pipelines and valves are original Sany factory parts without replacement or overhaul. Machine keeps full original yellow-red paint, no crash impact, no welding repair on boom, turntable and chassis frame, no oil leakage on all hydraulic joints and cylinders. Complete factory maintenance records are available for buyer on-site inspection, all wear parts are well maintained. We provide 1-year after-sales warranty for core components, stable supply channel of genuine Sany spare parts all over the world. Real machine photos, lifting test operation videos can be sent via WhatsApp immediately. Customers are warmly welcomed to visit our equipment yard in Anyang for free inspection and test run. Flexible trade terms and complete set of export customs documents will be supplied.