AT22 mobile crane

The AT22 mobile crane is a medium-sized crane with a maximum lifting capacity of 22 tons. It is equipped with high safety features, which are superior to many other types of cranes. The AT22 is an ideal choice for many different applications.

Dynamic LMI (Patented):

Dynamic LMI, introduced in 2013, is a leading safety platform. It supports the electronic control system and user experience. It provides “real-time” calculation of rated power. It assesses the structural limits and stability of the machine. Rated power resolution is improved thanks to more accurate tilt angle measurement. Rated power is continuously updated on rough terrain. Franna Dynamic LMI automatically adjusts power reduction.

Main function:

• Automatic counterweight detection.
• Maximum working height set by operator.
• Maximum working radius.
• Maximum front axle weight.
• Installation limits.
• Rated power ratio.

These features make the machine safer to operate in difficult conditions. Upgrades are also available for all Franna cranes with Mercedes engines.

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