John Deere 3120 vs Oliver OC-3
Side-by-side specs comparison
Verdict by the numbers
- The John Deere 3120 and the Oliver OC-3 deliver the same power: 29 HP.
- The John Deere 3120 is the more recent model: production started in 2005, versus 1951 for the Oliver OC-3.
Full specs comparison
| John Deere 3120 | Oliver OC-3 | |
|---|---|---|
| Power | 29 HP | 29 HP |
| Production years | 2005–2008 | 1951–1957 |
| Fuel | Diesel | Gasoline |
| Cylinders | 3 | 4 |
| Displacement | 1.5 L | 2.2 L |
| Weight | 1 360 kg | — |
| Drive | 4WD | — |
| Transmission | Hydrostatic | Gear |
| Gears (fwd/rev) | — | 3 / 1 |
| Rear lift capacity | 1 147 kg | — |
| Wheelbase | 172 cm | — |
| Length | 305 cm | — |
Frequently asked questions
Which is more powerful, the John Deere 3120 or the Oliver OC-3?
The John Deere 3120 and the Oliver OC-3 deliver the same power: 29 HP.
Which is more recent, the John Deere 3120 or the Oliver OC-3?
The John Deere 3120 is the more recent model: production started in 2005, versus 1951 for the Oliver OC-3.

