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Superstructure / Upper Structure
Rotary Table –
Sany in-house fabricated components made of high-strength steel; high torsional stiffness and long fatigue life.
Operator Cabin
Industry-first passenger-car level comfort, featuring fully soft-trimmed interior, panoramic sunroof, and adjustable seats
Equipped with 10.1-inch display, no physical buttons, upgraded user interaction
Hydraulic System
Electro-hydraulic power pump + electronic main valve, real-time displacement adjustment, precise control of combined movements
Engine
Dongkang diesel engine, non-road Euro IV, urea-free operation
Control System
Integrated bus-type electrical system with all-in-one display, real-time monitoring of travel and operational parameters
Hoisting Mechanism
Normally-closed winch reducer, axial piston motor, with anti-drop hook technology
Luffing System
Innovative automatic lowering compensation technology, providing faster and smoother boom lowering
Slewing System
1900 mm diameter reinforced slewing bearing, dual reducer configuration, electro-proportional slewing damping system, ensuring smooth, impact-free rotation
Safety Devices
Hydraulic relief valves, balance valves, bi-directional hydraulic locks, load moment limiter, triple-circle protector, height limiter, and winch monitoring system
Telescopic Boom
Single-cylinder pinned main boom, made of high-strength welded steel with oval cross-section
Standard jib: 7.5 m; optional two-section 9.5 m extension
Counterweights
Standard 6 t counterweight, adjustable rearward by 1000 mm
Lifting-type main counterweight + top-lifting auxiliary counterweight, easy assembly/disassembly
Up to 31 t counterweight transportable with the machine
Chassis / Lower Structure
Cabin
Independently developed by Sany, outward-opening doors, equipped with air conditioning and sleeper berth
Frame
Sany-fabricated components, high-strength steel, high stiffness and load capacity
Axles
Hande axles with internal inter-axle and wheel differential; stamped-welded axle housing, high load-bearing capacity
Engine
Weichai diesel engine, compliant with China VI emission standard
Fuel tank capacity: 450 L
Transmission System
12-speed Fast gearbox with synchronizer
Braking System
Service brake: dual-circuit, air servo brakes on all wheels; front axle with modular brakes + dual air chambers
Parking brake: spring-actuated on 2nd, 3rd, and 4th axles
Auxiliary brake: engine brake, ensuring safety on long downhill slopes
Suspension System
Multi-axle balanced leaf spring suspension
Steering System
Axles 1 + 2: hydraulic assisted mechanical steering
Axles 4 + 5: electro-hydraulic assisted steering
Drive System
Axles 3, 4, 5 driven
Outriggers
H-type, 4-point support, made of fine-grain high-strength steel
1st and 2nd stage outriggers fully hydraulic lateral extension
Vertical outrigger cylinders protected by bi-directional hydraulic locks
Tires
Full set: 445/95R25
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Vehicle dimensions
| Model | STC2000C8-8 | |||
type | project | unit | parameter | |
Size parameters | Total length of the machine | mm | 17697 | |
Total width of the machine | mm | 3000 | ||
Total height of the machine | mm | 4000 | ||
weight parameter (Regular announcement status) | Total mass of the entire machine | kg | 54990 | |
load | uniaxial and biaxial loads | kg | 19600 | |
Three-axis, four-axis, and five-axis loads | kg | 35390 | ||
weight parameter (Overload Alert Status) | Total mass of the entire machine | kg | 60000 | |
load | uniaxial and biaxial loads | kg | 24000 | |
Three-axis, four-axis, and five-axis loads | kg | 36000 | ||
pour ：Standard announcement status: with hook + arm load, excluding auxiliary hooks, lifting hooks, counterweights, and cushion boxes.
Overload announcement status: with hook + arm load, excluding auxiliary hook, lifting hook, counterweight, and spacer box.
Main Technical Parameters
type | project | unit | parameter | |
On-board power parameters | engine type | - | Dongkang QSB5.9CS4 220C | |
maximum power of engine | kW/rpm | 154/2200 | ||
Maximum engine output torque | N·m/rpm | 820/1600 | ||
Downhill driving parameters | engine type | - | Weichai WPZ6.460EA2 (National VI standard) | |
maximum power of engine | kW/rpm | 338/1900 | ||
Maximum engine output torque | N·m/rpm | 2200/1000-1400 | ||
Driving parameters | Maximum speed | km/h | 85 | |
minimum turning radius | m | 115 | ||
angle of approach/angle of departure | ° | ≥21/3 | ||
maximum gradability | % | 45% | ||
Fuel consumption per 100 kilometers | L | ≤58 (highway condition) | ||
Key performance parameters | maximum rated lifting capacity | T | 200 | |
Rotation radius of the tail section of the turntable (without counterweight) | m | 4.8 | ||
Leg span (lateral × longitudinal) | m | 8.3(5.5)×7.7 | ||
Lifting arm length | basic arm | m | 151 | |
longest main boom | m | 90 | ||
Longest main lifting arm + auxiliary lifting arm | m | 101.5 | ||
Longest main lifting arm + extension arm (optional) + auxiliary lifting arm | m | 120.5 | ||
maximum lifting moment | basic arm | kNm | 5880 | |
longest main boom | kNm | 2626 | ||
Longest main lifting arm + auxiliary lifting arm | kNm | 1172 | ||
Longest main lifting arm + extension arm (optional) + auxiliary lifting arm | kNm | 789.9 |
Hook and Magnification | specified A | Number of pulleys | multiplying power | Hook weight/kg |
9 | 0 | 1 | 310 | |
75 | 5 | 11 | 735 |
working speed | project | parameter | Wire rope diameter/length | maximum single rope tension |
main winch | Single rope speed: 0-35 m/min | 20mm/375m | 9t | |
gyration | 0-15r/min | |||
Start amplitude / End amplitude |
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Extending arm / Contracting arm |
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Vertical leg extension/retraction | 40s/45s | |||
Horizontal support leg extended/retracted | 25s/30s | |||
