Transport position
The crane folds behind the cab, within the width of the vehicle. The whole bed stays free for cargo.
Loader Crane
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Stabilizers extend
The stabilizer legs extend to both sides and press onto the ground. The truck is secured and the crane is ready to work.
Main boom rises
The lift cylinder raises the main boom above the column.
Second boom unfolds
The knuckle cylinder swings the second boom forward; the crane moves into working position.
Extensions slide out
The hydraulic extensions slide out one after another until the hook reaches the load.
The load lifts
The load is lifted under control. When the job is done, the crane folds back in the same order and the truck is ready for the road.
Truck-Mounted Knuckle Boom Crane
What Is a Loader Crane?
A loader crane, also known as a knuckle boom crane, sits folded behind the cab, within the width of the truck, when it is not working. On the job, the stabilizer legs extend; the main boom, second boom and hydraulic extensions then unfold in sequence to reach loads at a distance. When the job is done, the crane folds back in the same order and the truck is ready for the road.
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