Caterpillar RD8 vs John Deere 3650
Side-by-side specs comparison
Verdict by the numbers
- The Caterpillar RD8 and the John Deere 3650 deliver the same power: 114 HP.
- The John Deere 3650 is the more recent model: production started in 1986, versus 1935 for the Caterpillar RD8.
Full specs comparison
| Caterpillar RD8 | John Deere 3650 | |
|---|---|---|
| Power | 114 HP | 114 HP |
| Production years | 1935–1936 | 1986–1993 |
| Fuel | Diesel | Diesel |
| Cylinders | 6 | 6 |
| Displacement | 20.4 L | 5.9 L |
| Weight | — | 6 128 kg |
| Drive | — | 4WD |
| Transmission | Gear | Synchronized |
| Gears (fwd/rev) | 6 / 2 | 16 / 8 |
| Rear lift capacity | — | 5 270 kg |
| Wheelbase | — | 258 cm |
| Length | — | 489 cm |
| Cab | — | Yes |
Frequently asked questions
Which is more powerful, the Caterpillar RD8 or the John Deere 3650?
The Caterpillar RD8 and the John Deere 3650 deliver the same power: 114 HP.
Which is more recent, the Caterpillar RD8 or the John Deere 3650?
The John Deere 3650 is the more recent model: production started in 1986, versus 1935 for the Caterpillar RD8.

