The XM800 mini crane goes up the stairs. Look at this! 

PICK and CARRY tracked mini crane with column rotation function BEFARD XM 800 radio-controlled with non-marking tracks that allow you to work indoors and outdoors, e.g. in production halls.
The use of a tracked chassis enables work in difficult construction conditions - driving over unevenness, mud, snow and sand is not a problem for him.
BEFARD XM 800 allows you to safely transport loads around the construction site, while maintaining stability, and the use of a rotating column enables precise administration of the transported cargo.
The unit can be retrofitted with any XP and XR series vacuum suction cup, hydraulic winch, search hook and LED lamp.
Major advantages BEFARD XM800:
Vertical reach: 6.17 m (with additional equipment)
Fully radio controlled - one person is enough to install the window
Lift capacity 800kg
Vertical range over 5m with a search hook
Optional battery power
Non-marking and extendable tracks as standard
The possibility of transporting cargo on the platform
Column rotation by 50 degrees
Optional winch
Optional led lamp
Optional 220V power supply
Two speeds of work and ride
Light weight