John Deere 3420 vs Valmet 702S
Side-by-side specs comparison
Verdict by the numbers
- The John Deere 3420 is more powerful than the Valmet 702S: 77 HP versus 75 HP (+2 HP, +3%).
- The Valmet 702S is the more recent model: production started in 1974, versus 1970 for the John Deere 3420.
- The Valmet 702S is heavier: 4040 kg versus 3478 kg for the John Deere 3420.
Full specs comparison
| John Deere 3420 | Valmet 702S | |
|---|---|---|
| Power | 77 HP | 75 HP |
| Production years | 1970–1975 | 1974–1979 |
| Fuel | Diesel | Diesel |
| Cylinders | 6 | 4 |
| Displacement | 5 L | 4.2 L |
| Weight | 3 478 kg | 4 040 kg |
| Drive | 2WD | 2WD or 4WD |
| Transmission | — | Synchronized |
| Gears (fwd/rev) | 8 / 2 | 8 / 2 |
| Rear lift capacity | — | 2 120 kg |
| Wheelbase | 255 cm | 224 cm |
| Length | 408 cm | 382 cm |
| Cab | — | Yes |
Frequently asked questions
Which is more powerful, the John Deere 3420 or the Valmet 702S?
The John Deere 3420 is more powerful than the Valmet 702S: 77 HP versus 75 HP (+2 HP, +3%).
Which is more recent, the John Deere 3420 or the Valmet 702S?
The Valmet 702S is the more recent model: production started in 1974, versus 1970 for the John Deere 3420.
Which is heavier, the John Deere 3420 or the Valmet 702S?
The Valmet 702S is heavier: 4040 kg versus 3478 kg for the John Deere 3420.

