CHAMBERLAIN 671 GM DETROIT DIESEL SUPER 90 Tractor 2 STROKE 9G, 4G 6G PERKINS 6-71 8-71 12-71

Chamberlain was a brand of tractors from Australia, produced initially by Chamberlain Industries Ltd.

The Western Australian Government having heard of Bob Chamberlain's plan to build tractors persuaded the Chamberlains to use an ex-munitions factory in Welshpool, Western Australia. Thus the first Tractors rolled off the production line in 1949.

The first Chamberlain tractor produced was the model 40k which had 40 horsepower (30 kW) twin-cylinder, horizontally opposed engines. They weighed about four tonnes and were considered to be ideal for the needs of Australian farmers.

In 1953 Chamberlain started to produce diesel powered tractors such as the GM diesel powered 60DA and later the 70DA, as well as the 55DA, which was powered by an Australian built diesel engine. A few years later the production of kerosene powered tractors was stopped. In 1955 Chamberlain developed the Perkins diesel powered Champion models.

In subsequent years, Chamberlain produced a range of iconic larger tractors suited to broadland farming in Australia.
These tractors are now popular for heritage tractor pulling contests, and feature their own national championships.

In 1970, the John Deere Company of America purchased a controlling interest in Chamberlain.[2]
During the 1980s, Chamberlain became a fully owned subsidiary of John Deere
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