Muir-Hill 121 vs Steyr 8140
Side-by-side specs comparison
Verdict by the numbers
- The Muir-Hill 121 and the Steyr 8140 deliver the same power: 120 HP.
- The Steyr 8140 is the more recent model: production started in 1977, versus 1972 for the Muir-Hill 121.
- The Steyr 8140 is heavier: 5280 kg versus 4853 kg for the Muir-Hill 121.
Full specs comparison
| Muir-Hill 121 | Steyr 8140 | |
|---|---|---|
| Power | 120 HP | 120 HP |
| Production years | 1972–1983 | 1977–1982 |
| Fuel | Diesel | Diesel |
| Cylinders | 6 | 6 |
| Displacement | 6.2 L | 6.6 L |
| Weight | 4 853 kg | 5 280 kg |
| Drive | 4WD | 2WD or 4WD |
| Transmission | Gear | Synchronized |
| Gears (fwd/rev) | 8 / 2 | 12 / 4 |
| Rear lift capacity | — | 4 500 kg |
| Wheelbase | 190 cm | 272 cm |
| Length | 396 cm | 452 cm |
| Cab | Yes | — |
Frequently asked questions
Which is more powerful, the Muir-Hill 121 or the Steyr 8140?
The Muir-Hill 121 and the Steyr 8140 deliver the same power: 120 HP.
Which is more recent, the Muir-Hill 121 or the Steyr 8140?
The Steyr 8140 is the more recent model: production started in 1977, versus 1972 for the Muir-Hill 121.
Which is heavier, the Muir-Hill 121 or the Steyr 8140?
The Steyr 8140 is heavier: 5280 kg versus 4853 kg for the Muir-Hill 121.

