STC400T 40T Truck Crane

① Product Overview

② Key Features

Compact Design for Flexible Site Access

The 3-axle structure ensures a compact body layout, allowing the crane to access urban construction sites and limited-space engineering operations.It solves the problem of large cranes being unable to maneuver in narrow working areas, while maintaining high load capacity and stability.It brings higher operational flexibility and faster site transfer efficiency, helping customers complete heavy-duty lifting tasks in complex environments quickly.

Dual-Pump Intelligent Flow Distribution for Precise & Efficient Lifting

The electro-hydraulic control system adopts dual-pump intelligent flow distribution, with pressure-boosted buffering and sequential braking technology.It addresses the issues of slow combined-motion response, large impact and poor control precision in traditional hydraulic systems.It delivers fast response, minimal impact and millimeter-level precise lifting (single-rope speed 1.2m/min, slewing speed 0.1°/s), improving operational safety and fuel efficiency while reducing equipment wear.

High-Performance Chassis for Long-Term Reliability

The chassis uses a new structural frame that has passed 200,000 cycles of fatigue testing.It solves the problem of structural fatigue and low reliability under long-term heavy-duty operations, especially in harsh mining and large-scale construction conditions.It ensures stable load-bearing capacity and extended service life, reducing maintenance costs and downtime for customers.

Intelligent Control System for Efficient Operation & Maintenance

The CAN bus system integrates controllers, displays, instruments, I/O modules and sensors, with a fault diagnosis system (BCM module) and Sany load limiter.It addresses the issues of slow response, difficult fault location and potential safety risks from overload in traditional control systems.It provides rapid system response, accurate fault positioning and overload/over-lowering/over-winding protection, improving operational efficiency and safety while simplifying maintenance.

Precise & Economical Control for Cost Optimization

Hydraulic valves and components achieve superior micro-movement performance, combined with load sensing and constant power technology.It solves the problems of poor control accuracy and high fuel consumption in heavy-duty lifting operations.It enhances lifting precision while optimizing fuel efficiency, reducing operating costs and improving economic benefits for customers.

③ Technical Specifications Overview

This 40-ton truck crane is equipped with a 3-axle chassis and a fully extended main boom of 44.1m, with a maximum lifting capacity of 40t and a maximum lifting moment of 1266.7kN·m (basic boom).The Z10E360 31 engine delivers 264kW of power and 1600N·m of torque, ensuring stable output under heavy load conditions.The chassis and frame design optimize load distribution and driving stability, making it adaptable to various harsh working conditions with a maximum gradeability of 56%.

Key Specifications Explained

• Maximum lifting capacity (40t): What does it mean for operation?

  A 40-ton lifting capacity meets the demand for heavy-duty lifting tasks in large-scale construction and mining, balancing load capacity and operational range.

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• Fully extended main boom (44.1m): How to choose?

  A 44.1m boom length provides sufficient operating range for high-rise construction and large-scale infrastructure projects, ensuring efficient completion of long-distance and high-altitude lifting tasks.

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• Engine power (264kW): What does it mean for operation?

  264kW of engine power ensures smooth operation when driving on slopes and under full load, which is critical for heavy-duty lifting and long-distance travel.

The 40-ton truck crane integrates high-performance power and chassis systems, with core technical parameters as follows:

④ Application Scenarios

Large-Scale Construction & High-Rise Building Projects

Mining & Heavy-Duty Earthmoving Projects

Infrastructure & Power Facility Installation

The 44.1m boom length and precise control system meet the lifting needs of power facility installation, road construction and railway projects, ensuring safe and efficient operation in large-scale infrastructure development.

⑤ Model Comparison

The 40-ton model is suitable for customers who focus on heavy load capacity and long boom reach in large-scale projects.The 30-ton model is recommended for those who require flexibility in medium-sized urban engineering operations.If your project needs ultra-heavy load and longer boom length, the 50-ton model is a better choice.

⑥ Buying Guide: How to Choose the Right Model

Define Your Working Conditions

• Road condition: For rough mining sites, prioritize models with reinforced chassis and high gradeability; for urban sites, choose compact models with good maneuverability.

• Payload & lifting height: Match the lifting capacity and boom length to your maximum load and operating height requirements.

• Daily working hours: For long-term continuous operation, select models with high fatigue resistance and reliable cooling systems.

Select the Proper Configuration

• Engine & transmission: Choose high-power engines with efficient transmission systems to ensure stable output under heavy load.

• Axle & suspension: 3-axle configuration offers a balance of load capacity and flexibility; reinforced suspension improves stability in harsh conditions.

• Hydraulic & control system: Prioritize intelligent flow distribution and CAN bus control systems for precise lifting and easy maintenance.

Consider Total Cost of Ownership

• Fuel: Load sensing and constant power technology reduce fuel consumption, lowering long-term operating costs.

• Maintenance: Intelligent fault diagnosis systems simplify maintenance, reducing downtime and repair costs.

• Service life: Reinforced chassis and fatigue-tested components extend service life, improving overall return on investment.

⑦ Frequently Asked Questions (FAQ)

Q: What is the delivery time for this 40-ton truck crane?

A: For stock units, we can arrange sea shipment within 15 working days; for customized production, the lead time is approximately 40 days.

Q: Do you supply spare parts for after-sales maintenance?

A: We have a global spare parts supply network and can provide original spare parts to support your long-term maintenance needs.

Q: Can you customize the configuration for mining applications?

A: Yes, we can reinforce the chassis, optimize the hydraulic system and add mining-specific protections according to your working conditions.

Q: Which markets do you export this model to?

A: We mainly export to Latin America (Bolivia, Peru, Chile), Africa and Southeast Asia, adapting to local emission and safety regulations.