Trailer crane lifts large window
01 March 2021
Connecticut, USA-based crane equipment sales, rental, and service company Innovativ Hoisting, which is the North American dealer for Böcker trailer cranes and incline lifts, used a Böcker AHK 36 trailer crane to help install one of the largest replacement stained glass windows in the USA, at St. Anne’s Church in Waterbury, Connecticut.
![](/Images/1140xany/20210301-114201-Boecker20200918AHK36KircheWaterburyDE3web.jpg)
The window comprised three sections, each weighing up to 680 kg (1,500 lbs) which were hoisted using the AHK 36 and a wireless remote control to eliminate any blind spots for the crane operator.
When the crane was finished, a Böcker Junior inclined lift was extended 15 m (49 ft) to hoist other parts of the frame and the stained glass for installation.
![](/Images/1140xany/20210301-114201-Boecker20200918AHK36KircheWaterburyDE4web.jpg)
Böcker describes its AHK 36 as a hybrid trailer crane as it is made from aluminium and high-strength steel. As a result, it has a lifting height of up to 36 m and can lift loads up to 2.4 tonnes (5,290 lbs).
The integrated hydraulic cylinder provides a smooth telescoping of the mast under high loads, said Böcker.
The crane’s control technology includes: automatic superstructure control with an outrigger auto-levelling function; control over the rotation and set-up angle of the mast package during operation; and a ‘go home’ function for easy dismantling. A mast-mounted camera is available as an optional extra.
![](/Images/1140xany/20210301-114202-Boecker20200918AHK36KircheWaterburyDE2web.jpg)
![](/Images/1140xany/20210301-114201-Boecker20200918AHK36KircheWaterburyDE1web.jpg)
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