Hart-Parr Crop Maker 17-27 vs Waterloo Boy R
Side-by-side specs comparison
Verdict by the numbers
- The Hart-Parr Crop Maker 17-27 is more powerful than the Waterloo Boy R: 30 HP versus 27 HP (+3 HP, +11%).
- The Hart-Parr Crop Maker 17-27 is the more recent model: production started in 1916, versus 1914 for the Waterloo Boy R.
- The Hart-Parr Crop Maker 17-27 is heavier: 5397 kg versus 2812 kg for the Waterloo Boy R.
Full specs comparison
| Hart-Parr Crop Maker 17-27 | Waterloo Boy R | |
|---|---|---|
| Power | 30 HP | 27 HP |
| Production years | 1916–1917 | 1914–1917 |
| Fuel | Kerosene | Gasoline |
| Cylinders | 1 | 2 |
| Displacement | 9.3 L | 7.6 L |
| Weight | 5 397 kg | 2 812 kg |
| Drive | 2WD | 2WD |
| Transmission | Gear | Synchronized |
| Gears (fwd/rev) | 2 / 1 | — |
| Length | 273 cm | 363 cm |
Frequently asked questions
Which is more powerful, the Hart-Parr Crop Maker 17-27 or the Waterloo Boy R?
The Hart-Parr Crop Maker 17-27 is more powerful than the Waterloo Boy R: 30 HP versus 27 HP (+3 HP, +11%).
Which is more recent, the Hart-Parr Crop Maker 17-27 or the Waterloo Boy R?
The Hart-Parr Crop Maker 17-27 is the more recent model: production started in 1916, versus 1914 for the Waterloo Boy R.
Which is heavier, the Hart-Parr Crop Maker 17-27 or the Waterloo Boy R?
The Hart-Parr Crop Maker 17-27 is heavier: 5397 kg versus 2812 kg for the Waterloo Boy R.

