Tractor · 1914Unverified
Waterloo Boy R
Waterloo Boy R — Standard-tread tractor · 12 hp. Reference specifications; pending source verification.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
12 hp
Weight
2812 kg
Hover a source tag to verify
Overview
ManufacturerWaterloo BoyReference
Standard-tread tractorReference
Built in Waterloo, Iowa, USAReference
Total built9,310Reference
Original price was $850 in 1917Reference
There are thirteen recorded variations of the Waterloo Boy model R (not including the California Specials) designated by a letter suffix, from RA to RM. Round-spoke rear wheels were replaced with flat-spoke on the RG, serial number 1511. The fuel tank changed from vertical to horizontal at serial number 4089 (RJ).Reference
Two-wheel driveReference
Steeringmanual chain and capstanReference
Manual brakesReference
Open operator station with steel pan seatReference
Variants
California Specialsingle front wheelReference
Engine
Waterloo Gasoline Engine Company 5.4L 2-cyl keroseneReference
Waterloo Gasoline Engine Company 6.5L 2-cyl keroseneReference
Waterloo Gasoline Engine Company 7.6L 2-cyl keroseneReference
Fuel tank75.7 LReference
Aux. fuel3.8 LReference
Drawbar (claimed)8.9 kWReference
Belt (claimed)18.6 kWReference
Plows3 (14-inch)Reference
Waterloo Gasoline Engine CompanyReference
keroseneReference
2-cylinderReference
liquid-cooledReference
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.Reference
Displacement5.4 LReference
Bore/Stroke140 x 178 mmReference
Compression3.91:1Reference
Rated RPM700Reference
Firing order1-2Reference
Starter typehand-crankReference
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).Reference
Displacement6.5 LReference
Bore/Stroke152 x 178 mmReference
Rated RPM750Reference
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.Reference
Displacement7.6 LReference
Bore/Stroke165 x 178 mmReference
Coolant capacity32.2 LReference
Transmission
1-speed unsynchronized gearReference
Typeunsynchronized gearReference
Gears1 forward and reverseReference
Left-hand lever controls forward and reverse gear selection. Foot-operated clutch.Reference
Dimensions
Weight2812 kgReference
Front tire28Reference
Rear tire52Reference
Ag front28 x 6 steelReference
Ag rear52 x 10 steelReference
Length363 cmReference
Width182 cmReference
Height160 cmReference
R Serial Number Location
Right side of engine, near starting crankReference
R Serial Numbers
19141026Reference
19151401Reference
19163556Reference
19176982Reference
Final11020Reference
FAQ: How to read a serial number table.Reference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.