178R2. In respect of tillage equipment, the prescribed property is the following:(1) disc plows with 3 furrows or more;
(2) mouldboard plows with 3 furrows or more;
(3) row crop cultivators with an operational width of at least 2.44 m (8 ft);
(4) field cultivators with an operational width of at least 2.44 m (8 ft);
(5) rotovators with an operational width of at least 1.83 m (6 ft);
(6) combination discer-cultivators with an operational width of at least 2.44 m (8 ft);
(6.1) mulchers with an operational width of at least 2.44 m (8 ft);
(7) chisel plows with an operational width of at least 2.44 m (8 ft);
(8) discers with an operational width of at least 2.44 m (8 ft);
(9) harrows with an operational width of at least 2.44 m (8 ft), when sold in complete units;
(10) rotary hoes with an operational width of at least 2.44 m (8 ft);
(11) rototillers with an operational width of at least 1.83 m (6 ft);
(12) pulverizers with an operational width of at least 2.44 m (8 ft);
(12.1) bean harvesters with an operational width of at least 2.44 m (8 ft);
(13) (paragraph revoked);
(13.1) farm-type roller-packers with an operational width of at least 2.44 m (8 ft);
(14) rod weeders with an operational width of at least 2.44 m (8 ft);
(15) subsoil chisels with an operational width of at least 2.44 m (8 ft).