Ah yes. It was built vfor a Swedish company Svelast by Kalmar. Kalmar was a workshop and makes container lifttrucks nowadays.
It used certain DAF components, a Cummins diesel engine and an Allison automatic gearbox. Behind the cab there was a kind of fork lift installation and it was a kind of forerunner to modern day RoRo tractors.
The door at the front was apparently to do with crowded (container( harboyur surroundings, where in front of the truck normally there was space, but at the side less so.