Tractor Test and Power Museum, The Lester F. Larsen


Nebraska Tractor Tests

Date of this Version

January 1978



A summary of the design and manufacturing achievements of David Brown Tractors Ltd.

David Brown 'Firsts'

Few if any, tractor manufacturers can equal the David Brown record of pioneering achievement in tractor maufacture and development. Major examples are:

1937 - World's first farm tractor equipped with hydraulic lift and converging 3-point linkage

1948 - Two-speed power take-off, six-speed gearbox

1949 - High-speed direct injection diesel engine for farm tractors

1953 - Traction control (implement weight transfer)

1959 - All purpose tractor hydraulic system with single lever control.

1964 - Dial-controlled tractor hydraulic system

1968 - Introduction of fully approved safety cabs for all models

1966 - Twelve-speed gearbox

1971 - Semi-automatic transmission providing on-the-move clutchless changes to any of four ratios in each working range

David Brown involvement in farm machinery began in 1936 when the company, the a subsidiary of the local family firm David Brown and Sons Ltd., collaborated with Mr. Harry Ferguson in the manufacture of the legendary Ferguson-Brown tractor.......