12-20 STD (1929-1935)

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Tractor Info


The Massey-Harris 12-20 was introduced in late 1928 to early 1929. It was the companion to the 20-30 and was capable of well over 24 belt hp.

Tractor Info

Engine: Wallis Verticle 4 Cycle

Cylinders: 4

Bore & Stroke: 3.875 x 5.25

RPM: 1000

CID: 248

Fuel: Gas

Main Fuel Tank Cap: 15

Aux Fuel Tank Cap:

Carburetor: Kingston

Cooling Capacity:

Drawbar HP: 12.34

Belt PTO HP: 20.32

Weight: 3,500 lbs



Number of Gears: 3/1


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