IRB 4600-40/2.55 vs MR50
ABB Robotics vs Nachi-Fujikoshi Corp. (Robotics Division) — specs, price, and data-backed comparison.
QUICK TAKE
- MR50 offers the higher payload (50 kg vs 40 kg).
- IRB 4600-40/2.55 offers the longer reach (2.55 m vs 2.05 m).
SPECIFICATIONS COMPARED
| IRB 4600-40/2.55 | MR50 | |
|---|---|---|
| Company | ABB Robotics | Nachi-Fujikoshi Corp. (Robotics Division) |
| Category | Industrial-Robot | Industrial-Robot |
| Price: | Not announced | Not announced |
| Released: | 2010 | — |
| Weight | 435 kg | — |
| Payload | 40 kg | 50 kg |
| Reach | 2.55 m | 2.05 m |
| Degrees of Freedom | 6 | — |
Buying guides and prices
FREQUENTLY ASKED QUESTIONS
What is the difference between the IRB 4600-40/2.55 and the MR50?
IRB 4600-40/2.55 is made by ABB Robotics, while MR50 is made by Nachi-Fujikoshi Corp. (Robotics Division). Both are industrial-robots, so the differences come down to price and specifications.
Which has the higher payload, the IRB 4600-40/2.55 or the MR50?
The MR50 has the higher payload at 50 kg, compared to 40 kg for the IRB 4600-40/2.55.


