This Spierings SK488-AT4 belongs to AMOS, a construction company, from Heilbronn (DE). It is a 4-axle mobile tower crane with a 40 meter jib length and a load moment of 102 mt. It is an used crane from Boekestijn from Maasland (NL).

The undercarriage is powered by a DAF XE 280 C, a 6-cylinder diesel engine with a power of 280 kW, powered. The engine only poweres axle 3, the rest are only steerable axles.

The outrigger base measures 6.9 x 6.84 meters, or half 6.9 x 5.15 meters.

In transit has the crane a 15.69 meter length, a 2.75 meter breadth and a 4 meter height. The total mass is 48 tonnes.

The counterweight has a total mass of 8.7 tonnes and a 3.55 meter tailswing. The counterweight slab on the driver's side is rotated backwards during the transport over the road for a better weight distribution over the axles.

The crane has a 40 meter jib length. The maximum load of 8,000 kg is lifted to a maximum radius of 12.76 meters and the tip load if 2,100 kg. The hook height by horizontal jib is 24 meters. With a 30 degree luffed jib is a maximum hook height of approx. 44 meters reached by 34.8 meter radius.

With AMOS is the crane mainly used for lifting duties on their own construction sites.