The estate also included a ''huge number'' of farm implements, engines, compressors and machinery, alongside numerous accessories.
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''There's more arriving this week, as I still have tonnes of bits in my sheds and stored in a van.''
North American manufacturer Massey Ferguson was formed by the 1953 merger of Massey Harris of Canada and the Ferguson Company in Britain.
The auction line-up of Masseys and others ranges in period from mid-1940s through to the late 1960s.
Allison said the youngest tractor was probably the BMC Mini, which powered by an adapted Austin A-series four-cylinder diesel.
In its original petrol form, the engine powered the Morris Minor, the Austin A35 and 402 and, later, the Mini.
Allison said it was rare to see such a crossover.
''It's a thing of beauty.''
Among further vehicles of interest was another likely to inspire nostalgia.
Southland pie lovers could acquire their own bit of Gore history, in the shape of the ''old blue Massey Ferguson tractor'' once used to pull the Gore pie cart, Allison said.