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SQS157-4
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Product Introduction
This machine prioritizes safety and efficiency, featuring an automatic hook retraction device at end positions. This saves preparation time before and after operations while effectively preventing hook swing, enhancing crane safety. The throttle-linked control system significantly boosts lifting efficiency. Its overwind protection mechanism prevents safety hazards caused by wire rope breakage. The SQS157-4 is widely used across construction, mining, agriculture, water conservancy, energy, and other sectors, excelling particularly in applications requiring frequent relocation and operations at heights or in confined spaces.
Product Advantage
Pentagonal boom cross-section ensures excellent neutrality and high bending resistance. Single-cylinder cable synchronous extension/retraction enables efficient and reliable boom operation.
Automatic hook retraction at end position saves pre- and post-operation preparation time while preventing hook swing, enhancing crane safety.
The throttle-linked control system significantly boosts lifting efficiency.
Overwind protection prevents safety hazards caused by wire rope breakage.
Technical Parameters
| item | value |
| Feature | TRUCK CRANE |
| Showroom Location | None |
| Condition | New |
| Application | Construction, job site, cargo |
| Rated Loading Capacity | 6.3 ton |
| Rated Lifting Moment | 157.5 KN.m |
| Max. Lifting Height | 13M |
| Span | 11m |
| Place of Origin | China |
| Brand Name | Strong jack |
| Warranty | 1 Year |
| Engine Brand | Cummins |
| UNIQUE SELLING POINT | High operating efficiency |
| Machinery Test Report | Provided |
| Video outgoing-inspection | Provided |
| Warranty of core components | 1 Year |
| Core Components | Engine |
| Weight (KG) | 15800kg |
| ENGINE HORSEPOWER | 190HP |
| EMISSION STANDARD | EURO III |
| OVERALL DEMENSION | 10000*2500*3980mm |
| CARGO BOX DEMENSION | 6100*2200*600mm |
| CRANE MODEL | SQS157-4 |
Product Uses
1. Urban Construction and Civil Engineering
Ideal for lifting precast components, pipes, steel materials, and other construction supplies at building sites. With a maximum lifting height of 14.5 meters and a working radius of 13.04 meters, it effectively covers common low-rise construction areas for tasks like small equipment installation.
2. Logistics Transportation and Cargo Handling
Efficiently handles heavy cargo, machinery, and materials in ports, warehouses, factories, and similar facilities. Its 360° full rotation design enables agile operation in confined yards, reducing reliance on additional equipment.
3. Landscaping and Municipal Maintenance
Suitable for lifting trees and large potted plants in landscaping projects, or replacing streetlights and signage during municipal upkeep. The equipment has demonstrated outstanding performance in Thai landscaping projects, adapting to harsh conditions while delivering reliable, long-term operation.
4. Highway Maintenance and Emergency Response
Commonly used for highway maintenance tasks like hoisting guardrails, signage, or small repair equipment. Its high mobility enables rapid deployment to sites, with hydraulic outriggers providing stable operation alongside roadways.
5. Electrical Equipment Installation and Maintenance
Assists in installing and maintaining small transformers, cable reels, and other electrical equipment. Its precise control system enables accurate lifting in confined spaces, while the folding boom design facilitates transportation and on-site deployment.
Product Operate Guide
Operation of the SQS157-4 truck-mounted crane must strictly adhere to regulations. Before operation, ensure outriggers are fully extended and supported on solid, level ground. Continuously monitor the load moment indicator (LMI) during operation; overloading is strictly prohibited. Use the remote control or control console to smoothly control boom lifting, slewing, and luffing; avoid abrupt stops or starts. A designated signal person must direct operations when lifting cargo, ensuring loads are securely fastened and personnel are kept clear. After operation, fully retract and secure the boom. Perform regular equipment maintenance. Operators must hold valid certification.
FAQ
1. HOW TO PROPERLY STORE EQUIPMENT?
Clean the equipment, fill the fuel tank, drain water from the tank, apply rust prevention to exposed metal parts, and start it up once a month.
2. HOW TO RESOLVE INSUFFICIENT HYDRAULIC SYSTEM PRESSURE?
Check hydraulic fluid level and quality. Inspect the hydraulic pump, control valves, and cylinders for internal leaks or damage.
3. HOW TO IMPROVE EQUIPMENT OPERATIONAL EFFICIENCY?
Perform regular maintenance. Operate equipment correctly. Select appropriate operating modes and attachments based on working conditions.
4. HOW TO ADJUST SLOW EQUIPMENT MOVEMENT?
Check hydraulic system pressure and flow. Adjust pump and valve parameters to ensure the system operates at optimal performance.
5. HOW TO SAFELY OPERATE ON INCLINES AND DECLINES?
Maintain low speed, avoid shifting gears or turning, and use auxiliary braking devices when necessary.
6. WHAT PRECAUTIONS ARE NEEDED DURING RAINY WEATHER OPERATIONS?
Prevent slipping, avoid soft ground, inspect electrical system waterproofing, and suspend operations if necessary.
