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IRB 6750S-235/3.0 vs KR 420 R3100-2

ABB Robotics vs KUKA — specs, price, and data-backed comparison.

QUICK TAKE

  • KR 420 R3100-2 offers the higher payload (420 kg vs 235 kg).
  • KR 420 R3100-2 offers the longer reach (3.1 m vs 3 m).
  • IRB 6750S-235/3.0 offers the lighter build (1,110 kg vs 1,687 kg).
  • IRB 6750S-235/3.0 is the newer platform (2,025 vs 2,015).

SPECIFICATIONS COMPARED

IRB 6750S-235/3.0KR 420 R3100-2
CompanyABB RoboticsKUKA
CategoryIndustrial-RobotIndustrial-Robot
Price:Not announcedNot announced
Released:20252015
Weight1,110 kg1,687 kg
Payload235 kg420 kg
Reach3 m3.1 m
Degrees of Freedom66
Battery Life—24 hours

Buying guides and prices

FREQUENTLY ASKED QUESTIONS

What is the difference between the IRB 6750S-235/3.0 and the KR 420 R3100-2?

IRB 6750S-235/3.0 is made by ABB Robotics, while KR 420 R3100-2 is made by KUKA. Both are industrial-robots, so the differences come down to price and specifications.

Which has the higher payload, the IRB 6750S-235/3.0 or the KR 420 R3100-2?

The KR 420 R3100-2 has the higher payload at 420 kg, compared to 235 kg for the IRB 6750S-235/3.0.