The picture shows Hector Smith (left) and J R Knight with an Autoculto tractor.
This is a Central Office of Information photograph taken about 1946. Its caption reads "Members buy implements and tools at favourable prices through the society. Here is a member being shown the points of an AUTO-Culto, a petrol driven hand tractor of two and a half horse power, used for cultivating, ploughing, hoeing, harrowing, spraying and mowing by the use of different fittings."