KR 120 R3500-2 PA vs KR 420 R3100-2
KUKA vs KUKA — specs, price, and data-backed comparison.
QUICK TAKE
- KR 120 R3500-2 PA offers the longer reach (3.5 m vs 3.1 m).
- KR 420 R3100-2 offers the more degrees of freedom (6 vs 4).
- KR 120 R3500-2 PA offers the lighter build (1,101 kg vs 1,687 kg).
- KR 420 R3100-2 is the newer platform (2,015 vs 2,014).
SPECIFICATIONS COMPARED
| KR 120 R3500-2 PA | KR 420 R3100-2 | |
|---|---|---|
| Company | KUKA | KUKA |
| Category | Industrial-Robot | Industrial-Robot |
| Price: | Not announced | Not announced |
| Released: | 2014 | 2015 |
| Weight | 1,101 kg | 1,687 kg |
| Payload | — | 420 kg |
| Reach | 3.5 m | 3.1 m |
| Degrees of Freedom | 4 | 6 |
| Battery Life | 24 hours | 24 hours |
Buying guides and prices
FREQUENTLY ASKED QUESTIONS
What is the difference between the KR 120 R3500-2 PA and the KR 420 R3100-2?
KR 120 R3500-2 PA is made by KUKA, while KR 420 R3100-2 is made by KUKA. Both are industrial-robots, so the differences come down to price and specifications.


