The Actros from Mercedes-Benz truck division is a heavy-duty truck tractor meant for hauling heavy loads starting from 18 tons. 

With two options to the customer i.e. a 12 litre OM 501 V6 engine with power output range between 310 - 480 hp and the OM 502 V8 engine that takes it further from 350 – 650 hp.

The truck comes in 4 cabin configuration based on the type of usage,
S - for daily operation such as cement trucks and carrying construction materials
M - for distribution vehicles. It offers just a bare minimum sleeper without much comfort
L - Low-roof long haul cab with special sleepers for drivers
LH MegaSpace - these are long haul high-roof cabs, with lots of driving comfort and two sleepers provided for the driver and his assistant. 

With choice of 17 different types along with five different roof shapes - CompactSpace, ClassicSpace, StreamSpace, BigSpace and GigaSpace, the Mercedes Actros GigaSpace 4x2 models have a very tall floor-to-ceiling distance  for free driver and co-driver movement.