Waterloo Boy R
The Waterloo Boy R is a tractor produced by Waterloo Boy. It is equipped with a 465 ci 7.6 L engine. Transmission: 1 forward and reverse. Operating weight: 6200 lbs 2812 kg.
Fuel & Capacities
Kerosene
Transmission
1 forward and reverse
Operating Weight
6200 lbs
2812 kg
Waterloo Boy R Serial Number & Year Decoder
Find the exact manufacture year of your tractor by checking your chassis serial number below.
Where to Find the Serial NumberThe serial number plate is commonly located on the front frame, tractor transmission housing (right side), or instrument panel badge.
Overview
![]() | 1914 - 1917
Standard-tread tractor |
|---|---|
1914 - 1917 | |
Standard-tread tractor | |
Production | |
|---|---|
Manufacturer | Waterloo Boy |
Standard-tread tractor | |
Built in Waterloo, Iowa, USA | |
Total built | 9,310 |
Original price was $850 in 1917 | |
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). | |
Variants | |
|---|---|
California Special | single front wheel |
Waterloo Boy R Transmission | |
|---|---|
1-speed unsynchronized gear | |
Transmission details ... |
Waterloo Boy R Power | |
|---|---|
Drawbar (claimed) | 12 hp
8.9 kW |
Belt (claimed) | 25 hp
18.6 kW |
Plows | 3 (14-inch) |
Mechanical | |
|---|---|
Two-wheel drive | |
Steering | manual chain and capstan |
Manual brakes | |
Open operator station with steel pan seat | |
Dimensions & Tires | |
|---|---|
Weight | 6200 lbs
2812 kg |
Front tire | 28 |
Rear tire | 52 |
Full dimensions and tires ... | |
References | |
|---|---|
![]() | |
The John Deere Unstyled Letter Series by J.R. Hobbs | |
Tractors 1918-1976 published by John Deere* | |
Waterloo Boy One Man Tractor published in 1917 | |
Waterloo Boy One Man Tractor published in 1914 | |
*Publication contains known errors. |
Engine
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 — 330 ci / 5.4 L Gasoline
Manufacturer | Waterloo Gasoline Engine Company |
Fuel Type | Kerosene |
Configuration | 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. |
Displacement | 330 ci
5.4 L |
Bore/Stroke | 5.50x7.00 inches
140 x 178 mm |
Compression | 3.91:1 |
Rated RPM | 700 |
Firing order | 1-2 |
Starter type | hand-crank |
Engine Detail — 396 ci / 6.5 L Gasoline
Manufacturer | Waterloo Gasoline Engine Company |
Fuel Type | Kerosene |
Configuration | 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). |
Displacement | 396 ci
6.5 L |
Bore/Stroke | 6.00x7.00 inches
152 x 178 mm |
Compression | 3.91:1 |
Rated RPM | 750 |
Firing order | 1-2 |
Starter type | hand-crank |
Engine Detail — 465 ci / 7.6 L Gasoline
Manufacturer | Waterloo Gasoline Engine Company |
Fuel Type | Kerosene |
Configuration | 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. | |
Displacement | 465 ci
7.6 L |
Bore/Stroke | 6.50x7.00 inches
165 x 178 mm |
Compression | 3.91:1 |
Rated RPM | 750 |
Firing order | 1-2 |
Starter type | hand-crank |
Coolant capacity | 34 qts
32.2 L |
Transmission
Transmission — 1 forward and reverse unsynchronized gear
Type | unsynchronized gear |
Gears | 1 forward and reverse |
Left-hand lever controls forward and reverse gear selection. Foot-operated clutch. | |
Dimensions
Waterloo Boy R Tires | |
|---|---|
Ag front | 28 x 6 steel |
Ag rear | 52 x 10 steel |
Dimensions | |
|---|---|
Length | 143 inches
363 cm |
Width | 72 inches
182 cm |
Height | 63 inches
160 cm |
Weight | 6200 lbs
2812 kg |
Photos
Related models
Waterloo Boy N
- Power:
- 27.8
- Production years:
- 1917 - 1924
Waterloo Boy L
- Power:
- 16.7
- Production years:
- 1914 - 1914
Waterloo Boy LA
- Power:
- 16.7
- Production years:
- 1914 - 1915
Waterloo Boy C
- Power:
- -1
- Production years:
- 1913 - 1913
Waterloo Boy P
- Power:
- -1
- Production years:
- 1913 - 1913







