Waterloo Boy R Engine


Waterloo Boy R tractor photo
1914 - 1917
Standard-tread tractor
Series map:
R
27.8hp*
*Estimated engine power for comparison only.
Engine options
Waterloo Gasoline Engine Company 5.4L 2-cyl kerosene
Waterloo Gasoline Engine Company 6.5L 2-cyl kerosene
Waterloo Gasoline Engine Company 7.6L 2-cyl kerosene
Engine Detail
Waterloo Gasoline Engine Company
kerosene
2-cylinder
liquid-cooled
Original engine, used until 1915, Waterloo Boy R serial number 1114 (RA to RD). This horizontal engine design was the basis for John Deere two-cylinder tractor engines used for the following forty-six years.
Displacement330 ci
5.4 L
Bore/Stroke5.50x7.00 inches
140 x 178 mm
Compression3.91:1
Rated RPM700
Firing order1-2
Starter typehand-crank
Engine Detail
Waterloo Gasoline Engine Company
kerosene
2-cylinder
liquid-cooled
The six-inch bore engine was used on the Waterloo Boy R from 1915 until 1917 (RE to RK), serial number 6728. A detachable cylinder head was introduced at serial number 1610 (RH).
Displacement396 ci
6.5 L
Bore/Stroke6.00x7.00 inches
152 x 178 mm
Compression3.91:1
Rated RPM750
Firing order1-2
Starter typehand-crank
Engine Detail
Waterloo Gasoline Engine Company
kerosene
2-cylinder
liquid-cooled
The final Waterloo Boy model R engine, used from 1917 to the end of production (RM). This engine size continued to be used in the Waterloo Boy model N and the early John Deere model D.
Displacement465 ci
7.6 L
Bore/Stroke6.50x7.00 inches
165 x 178 mm
Compression3.91:1
Rated RPM750
Firing order1-2
Starter typehand-crank
Coolant capacity34 qts
32.2 L
Page information
Peter Easterlund - owner of TractorData.com
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Updated on April 5, 2022
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