A Marlborough-based startup that has built the world’s most functionally capable autonomous tractor for the agricultural industry is about to go global after partnering with a US multinational corporation to scale and expand its international footprint.

Smart Machine has designed autonomous multitasking robotic machines – called Oxin – to work in vineyards around the world. The 4.5 tonne machines are capable of mulching, spraying herbicide, mowing, canopy trimming and spraying, and leaf defoliation – almost everything except harvesting.....