land tractor "land tractor" means a motor tractor designed and used primarily for work on the land in connection with agriculture, planting or forestry, land levelling, draining, dredging or similar operations, which is driven on a road only when proceeding to and from the site of such work and when so driven hauls nothing other than land implements, ACT 333 - ROAD TRANSPORT ACT, 1987 2. Interpretation.