Massey-Harris Model 20

The Massey-Harris Model 20 was a two-plow tractor built by Massey-Harris (later Massey Ferguson) from 1946-1948.[2] Introduced to commemorate Massey's 100th anniversary in 1947,[2][3] the 20 was virtually identical to the earlier Model 81, which first appeared in 1941.[4] About 8,000 Model 20s were sold, in row crop or standard models, with the choice of gasoline or kerosene[2][5] (known as tractor vaporising oil, or TVO, in Britain)[6] as fuel. The Model 20 was replaced in 1948 by the Model 22.[1]

A standard-tread[1] 1948 Massey-Harris 20.

Pricing

With a base price of around C$1450,[7] about C$500 more than the 81,[2] the 20 was competitive with Ford and Ferguson-Brown models of the period.[7]

Weight

The bare weight without ballast[8] was 3,000 lb (1,350 kg)[7] (some 700 lb {300 kg} less than the contemporary Model 30, which dramatically outsold it,[2] but about 400 lb {180 kg} more than the earlier 81).[4]

Engine

The 124 in3 (2,031 cc)[1][4] engine inherited from the 81, and the 101 before it,[4][5] produced 31 hp (23 kW) at the belt,[9] and was manufactured by Continental, like all Massey Harris tractors at the time.[1][2]

Transmission

The 20 offered four speeds[7] (against the 30's five),[2] providing a top speed of 2.5 mph (4 km/h) in first (low) and 13.5 mph (21.6 km/h) in fourth (high).[7]

References
  1. Pripps, p.104.
  2. Pripps, p.78.
  3. "Massey-Harris Becomes Massey-Ferguson On Living History Farm".
  4. Pripps, p.72.
  5. Pripps, p.73 cap.
  6. Pripps, p.131.
  7. Pripps, p.79 cap.
  8. Pripps, p.78 cap.
  9. Pripps, p.77.

Sources

Further reading
  • Pripps, Robert N. The Big Book of Farm Tractors. Vancouver, BC: Raincoast Books, 2001. ISBN 1-55192-393-9.
  • ______. The Field Guide to Vintage Farm Tractors. Stillwater, MN: Voyageur Press, 2001.
  • ______. Vintage Ford Tractors. Stillwater, MN: Voyageur Press, 2001.
  • Denison, Merrill. Harvest Triumphant: The Story of Massey-Harris. New York: Dodd Mead, 1949.
  • Farnsworth, John. The Massey Legacy. Ipswich, Great Britain: Farming Press, 1997.
  • Gay, Larry. Farm Tractors 1975-1995. Saint Joseph, MI: American Society of Agricultural Engineers, 1995.
  • Wendel, C. H. Massey Tractors. Osceola, WI: Motorbooks International, 1992.
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