Overview
The document presents technical information about the Effer 250 medium-range cranes, emphasizing their configurability and advanced technology. Effer applies the same high-performance technology and materials used in large cranes to medium-sized models, ensuring excellent durability and performance tailored to specific customer needs.

1. Product Description and Technology

Medium Effer cranes offer numerous configuration options to meet diverse operational requirements. The technology and materials used are state-of-the-art, derived from larger crane models, guaranteeing superior performance and longevity.

2. Technical Specifications

• Maximum Hydraulic Outreach: Ranges from 8.60 m (2S model) up to 17.31 m (6S model).
• Maximum Lifting Moment (+15°): Varies between 20,120 kgm and 22,470 kgm (198 to 221 kNm) depending on the model.
• Slewing Arc: 400° rotation capability.
• Maximum Slope for Slewing: 7%.
• Working Pressure: 345 bar.
• Recommended Oil Delivery: 70 liters per minute.
• Oil Tank Capacity: 160 liters.
• Weight of Standard Crane: From 2,560 kg (2S) to 3,130 kg (6S), with ±2% tolerance.

3. Load Charts and Performance Data

The document includes detailed load charts for various crane configurations (2S, 3S, 4S, 5S, 6S, and combinations with jib extensions). These charts provide lifting capacities at different outreach distances and heights, illustrating the crane’s operational envelope and maximum loads under specific conditions. The data highlight the crane’s versatility and capacity to handle loads ranging from a few hundred kilograms up to several thousand kilograms depending on the boom extension and configuration.

4. Standards and Compliance

The Effer 250 crane is designed according to the UNI EN 12999 HC1 S1 standard, ensuring compliance with European safety and performance regulations for hydraulic cranes. The document notes that lifting capacities are based on maximum crane power, but actual truck stability may require capacity reductions.

5. Recommendations and Notes

• Configurations and figures shown are illustrative; for complete technical details and the full product range, customers should consult their Effer dealer or visit the official website.
• Lifting capacity depends on crane power and truck stability; operators must consider potential reductions due to vehicle stability constraints.

6. Contact Information

Effer S.p.A. headquarters and contact details are provided for further inquiries and technical support.

Summary of Critical Parameters

Note: All weights and capacities are approximate and subject to ±2% tolerance.

Conclusion: The Effer 250 medium cranes combine advanced technology, flexible configurations, and compliance with stringent standards to deliver reliable and high-performance lifting solutions for medium-range applications.