John Deere 5120M vs Muir-Hill 121
Side-by-side specs comparison
Verdict by the numbers
- The John Deere 5120M and the Muir-Hill 121 deliver the same power: 120 HP.
- The John Deere 5120M is the more recent model: production started in 2022, versus 1972 for the Muir-Hill 121.
Full specs comparison
| John Deere 5120M | Muir-Hill 121 | |
|---|---|---|
| Power | 120 HP | 120 HP |
| Production years | 2022+ | 1972–1983 |
| Fuel | Diesel | Diesel |
| Cylinders | 4 | 6 |
| Displacement | 4.5 L | 6.2 L |
| Weight | — | 4 853 kg |
| Drive | 4WD | 4WD |
| Transmission | Power shift | Gear |
| Gears (fwd/rev) | 32 / 16 | 8 / 2 |
| Rear lift capacity | 2 336 kg | — |
| Wheelbase | 234 cm | 190 cm |
| Length | — | 396 cm |
| Cab | Yes | Yes |
Frequently asked questions
Which is more powerful, the John Deere 5120M or the Muir-Hill 121?
The John Deere 5120M and the Muir-Hill 121 deliver the same power: 120 HP.
Which is more recent, the John Deere 5120M or the Muir-Hill 121?
The John Deere 5120M is the more recent model: production started in 2022, versus 1972 for the Muir-Hill 121.

