ASTRA vehicles can be specially equipped for forestry maintenance and timber transportation. Total traction HD9 and HHD9 machines (mainly 6×6 for maneuverability reasons) offer a wide range of wheelbases and overhangs to suit all logging applications. Their chassis is designed to be equipped with the most complex superstructures, and their high ground clearance ensures mobility also on uneven terrain. Optionals include a wide range of tire sizes and specifications, winter kits to face difficult climate conditions and intarder to improve braking performance when traveling downhill fully loaded.