Potain MDT 178 vs MC 85 B: Which Tower Crane is Right for Your Construction Project?

Selecting the right tower crane for your construction project requires understanding the key differences between models. The Potain MDT 178 and MC 85 B represent two distinct design philosophies: flat-top versus top-slewing configurations. This comparison examines their specifications, capabilities, and typical applications.

Design Philosophy: Flat-Top vs Top-Slewing

The Potain MDT 178 features a flat-top design, which eliminates the need for a counter-jib and reduces overall weight. This design typically offers easier transport and faster assembly compared to top-slewing models. The flat-top configuration can be advantageous for projects requiring multiple cranes working in close proximity.

The Potain MC 85 B utilizes a top-slewing design with a traditional counter-jib. This configuration provides excellent stability and is well-suited for projects requiring consistent lifting operations. Top-slewing cranes generally offer precise control and are often preferred for projects with longer durations.

Capacity and Performance Specifications

Potain MDT 178 Specifications

Maximum Capacity: 8 tons
Maximum Jib Length: 60 meters
Design Type: Flat-top tower crane
Typical Applications: Medium to large construction projects, commercial buildings, infrastructure projects

Potain MC 85 B Specifications

Maximum Capacity: 5 tons
Maximum Jib Length: 52 meters
Design Type: Top-slewing tower crane
Typical Applications: Medium-sized construction projects, residential buildings, urban construction sites

Key Differences

Lifting Capacity

The MDT 178 offers a higher maximum capacity of 8 tons compared to the MC 85 B's 5 tons. This difference can be significant for projects requiring heavier lifts or when working at maximum jib extension.

Reach and Coverage

With a maximum jib length of 60 meters, the MDT 178 provides 8 meters more reach than the MC 85 B's 52-meter jib. This extended reach can reduce the need for repositioning the crane and improve coverage of larger construction sites.

Transport and Assembly

Flat-top designs like the MDT 178 typically offer advantages in transport logistics due to reduced component weight and simplified assembly procedures. Top-slewing models like the MC 85 B may require more careful planning for transport but offer proven reliability.

Project Suitability Considerations

Choose MDT 178 When:

Your project requires lifting capacities exceeding 5 tons
You need maximum jib reach up to 60 meters
Multiple cranes will operate in close proximity
Faster assembly and disassembly are priorities
Working on larger commercial or infrastructure projects

Choose MC 85 B When:

Your project's maximum lift requirements are 5 tons or less
52 meters of jib reach is sufficient for your site
You prefer the stability and control of top-slewing design
Working on medium-sized residential or commercial projects
Compact site conditions require careful crane placement

Operational Considerations

Both models are designed for reliable operation, but operational characteristics differ. The MDT 178's flat-top design may offer advantages in windy conditions due to reduced wind resistance. The MC 85 B's top-slewing configuration provides excellent precision for detailed lifting operations.

Site conditions, project duration, and specific lifting requirements should guide your selection. Consider factors such as ground conditions, available space for assembly, and the types of materials you'll be lifting throughout the project lifecycle.

Conclusion

The choice between Potain MDT 178 and MC 85 B depends on your specific project requirements. The MDT 178 offers greater capacity and reach, making it suitable for larger projects, while the MC 85 B provides reliable performance for medium-scale construction needs. Evaluate your project's lifting requirements, site constraints, and operational preferences to make an informed decision.

For more information about these models, visit our Potain MDT 178 product page or our Potain MC 85 B product page.