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| info | |
| 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). |
| Production | |
| Manufacturer: | Waterloo Boy |
| Factory: | Waterloo, Iowa, USA |
| Total built: | 9,310 |
| Original price (USD): | $850 (1917) |
| Variants | |
| California Special: | single front wheel |
| Capacity | |
| Fuel: | 20 gal [75.7 L] |
| Aux. fuel: | 1 gal [3.8 L] |
| Dimensions & Tires | |
| Weight: | 6,200 lbs [2812 kg] |
| Front tire: | 28 |
| Rear tire: | 52 |
| R Serial Numbers | |
| Location: | Right side of engine, near starting crank |
| Waterloo Boy R Power | |
| Drawbar (claimed): | 12 hp [8.9 kW] |
| Belt (claimed): | 25 hp [18.6 kW] |
| Plows: | 3 (14-inch) |
| Mechanical | |
| Chassis: | 4x2 2WD |
| Steering: | manual chain and capstan |
| Brakes: | manual |
| Cab: | Open operator station with steel pan seat |
| info | |
| 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 | |
| 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., Waterloo Gasoline Engine Company, kerosene, 2-cylinder, liquid-cooled, 330 ci [5.4 L] |
| info | |
| Previous model: | Waterloo Boy L |
| Next model: | Waterloo Boy N |
| Transmission | |
| Type: | unsynchronized gear |
| Gears: | 1 forward and reverse |
| Left-hand lever controls forward and reverse gear selection. Foot-operated clutch. | |
| info | |
| Previous model: | Waterloo Boy L |
| Next model: | Waterloo Boy N |
| Dimensions | |
| Weight: | 6,200 lbs [2812 kg] |
| Length: | 143 inches [363 cm] |
| Width: | 72 inches [182 cm] |
| Height: | 63 inches [160 cm] |
| Waterloo Boy R Tires | |
| Ag front: | 28 x 6 steel |
| Ag rear: | 52 x 10 steel |