Popular model of disc harrow from the Polish brand UNIA Unia Ares L 3 m Price: $22,000 Power requirement: 90 HP Working width: 3.0 m Working speed: 15 km/h Configurations: Hydropack – Yes / No Discs – Classic 510 / Aggressive 510 Rollers – Tubular roller / Packer roller / Rubber roller / Ring roller