New Zealand - Traction engine - Hauling wool bales A traction engine - A self-propelled steam engine - Used to move heavy loads on roads, plough ground or to provide power at a chosen location - The name derives from the Latin tractus, meaning 'drawn' (Reference: Wikipedia) Image source: Traction Engine Hauling Wool Bales https://knowledgebank.org.nz/still_image/traction-engine-hauling-wool-bales Creative Commons Attribution-NonCommercial 4.0 International License.