Australian outback truckers addressing enormous distances on rugged and unsealed roads needs to equip their rigs with unique improvements. They include a giant bull-bar (roo-bar), a sheet of cable mesh for windscreen protection, special dirt filters, additional long range gas tanks, heavy weight tires, airconditioning and an array of different driving lights. Bulk goods are normally transported in Road Trains, which could have around 3 trailers with an overall total period of over 31 metres.