Ford Model T Four Specs: 3.75 x 4.00 in

Ford Model T Four specs: 3.75 x 4.00 in (95.3 x 101.6 mm) bore and stroke, shared by all 2 versions. Displacement, compression and factory ratings.

At a glance

Displacement	176.7 ci
Cylinders	4
Bore	3.750"
Stroke	4.000"
Advertised power	20 hp
Years	1909–1927

Engines in this family

Engine	Displacement	Bore × Stroke	CR	HP
Model T four	176.7 ci	3.75" × 4"	—	—
Model T four	176.7 ci	3.75" × 4"	—	20

Factory cars with a Model T Four

• Ford Model T: 1909, 20 hp; 1910, 20 hp; 1911, 20 hp; 1912, 20 hp; 1913, 20 hp; 1914, 20 hp; 1915, 20 hp; 1916, 20 hp; 1917, 20 hp; 1918, 20 hp; 1919, 20 hp; 1920, 20 hp; 1921, 20 hp; 1922, 20 hp; 1923, 20 hp; 1924, 20 hp; 1925, 20 hp; 1926, 20 hp; 1927, 20 hp

What varies across the family

All are undersquare — stroke larger than bore, favouring torque low in the range.

Each engine page carries rod ratio, mean piston speed, bore/stroke character and cylinder head specs where published, and links into the calculators with its dimensions already filled in.

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