Massey-Harris 102 Junior vs McCormick-Deering O-4
Side-by-side specs comparison
Verdict by the numbers
- The McCormick-Deering O-4 is more powerful than the Massey-Harris 102 Junior: 30 HP versus 29 HP (+1 HP, +3%).
- The McCormick-Deering O-4 is the more recent model: production started in 1940, versus 1939 for the Massey-Harris 102 Junior.
- The McCormick-Deering O-4 is heavier: 1959 kg versus 1542 kg for the Massey-Harris 102 Junior.
Full specs comparison
| Massey-Harris 102 Junior | McCormick-Deering O-4 | |
|---|---|---|
| Power | 29 HP | 30 HP |
| Production years | 1939–1946 | 1940–1953 |
| Fuel | Distillate | Gasoline |
| Cylinders | 4 | 4 |
| Displacement | 2.7 L | 2.5 L |
| Weight | 1 542 kg | 1 959 kg |
| Drive | 2WD | 2WD |
| Transmission | Gear | Gear |
| Gears (fwd/rev) | 4 / 1 | 5 / 1 |
| Wheelbase | — | 169 cm |
| Length | — | 307 cm |
Frequently asked questions
Which is more powerful, the Massey-Harris 102 Junior or the McCormick-Deering O-4?
The McCormick-Deering O-4 is more powerful than the Massey-Harris 102 Junior: 30 HP versus 29 HP (+1 HP, +3%).
Which is more recent, the Massey-Harris 102 Junior or the McCormick-Deering O-4?
The McCormick-Deering O-4 is the more recent model: production started in 1940, versus 1939 for the Massey-Harris 102 Junior.
Which is heavier, the Massey-Harris 102 Junior or the McCormick-Deering O-4?
The McCormick-Deering O-4 is heavier: 1959 kg versus 1542 kg for the Massey-Harris 102 Junior.

