FANUC ARC Mate 120iD vs Yaskawa AR1730: 25 kg Welding Robot Comparison
The FANUC ARC Mate 120iD and the Yaskawa Motoman AR1730 are direct competitors: 25 kg welding robots with ±0.02 mm repeatability and 250 kg arms. The ARC Mate reaches about 100 mm further. The AR1730 is listed at well under half the price.
Quick verdict. The Yaskawa AR1730 is the better value for 25 kg arc welding, with the same precision and weight at a listed price $36,500 lower. The FANUC ARC Mate 120iD is the natural choice for FANUC plants and when the extra 101 mm of reach matters.
ARC Mate 120iD and AR1730 at a glance
The FANUC ARC Mate 120iD carries 25 kg over 1831 mm, repeats to ±0.02 mm, weighs 250 kg and runs on the R-30iB Plus or R-30iB Mate Plus controller. FANUC rates the body IP54 and the wrist and J3 arm IP67.
The Yaskawa Motoman AR1730 carries 25 kg over 1730 mm, repeats to ±0.02 mm, weighs 250 kg and runs on the YRC1000 controller.
Main specification comparison
Specification | FANUC ARC Mate 120iD | Yaskawa Motoman AR1730 |
Brand | FANUC | Yaskawa Motoman |
Listed price | $60,000 | $23,500 |
Payload | 25 kg | 25 kg |
Reach | 1831 mm | 1730 mm |
Repeatability | ±0.02 mm | ±0.02 mm |
Axes | 6 | 6 |
Arm weight | 250 kg | 250 kg |
IP rating | IP54 (body); IP67 (wrist and J3 arm) | Not specified |
Controller | R-30iB Plus (A- or B-cabinet) or R-30iB Mate Plus | YRC1000 |
Price comparison
FANUC ARC Mate 120iD: listed from $60,000
Yaskawa AR1730: listed from $23,500
Difference: $36,500
The AR1730 costs roughly 61% less
Payload and reach
Both carry 25 kg, which leaves room for heavy torches, seam tracking and wire feeders on the arm. The ARC Mate 120iD reaches 1831 mm, about 101 mm beyond the 1730 mm of the AR1730.
Precision and protection
Both publish ±0.02 mm repeatability and weigh 250 kg. FANUC rates the ARC Mate 120iD body IP54 with the wrist and J3 arm at IP67, which protects the parts closest to spatter.
Installation and controllers
The ARC Mate 120iD mounts on the floor, upside-down or at an angle and runs on the R-30iB Plus or R-30iB Mate Plus. The AR1730 installs on the floor, wall, ceiling or tilted and runs on the YRC1000. Both are listed for arc welding, spot welding, cutting and handling.
Best applications for the ARC Mate 120iD
Heavy-torch arc welding
Welding in FANUC plants
Cutting
Best applications for the Yaskawa AR1730
25 kg arc welding on a budget
Wall or ceiling-mounted welding
Cutting
ARC Mate 120iD advantages
1831 mm reach
IP67 wrist and J3 arm
ARC Mate 120iD limitations
About $36,500 higher listed price
Yaskawa AR1730 advantages
About 61% lower listed price
Same 25 kg and ±0.02 mm
Yaskawa AR1730 limitations
1730 mm reach
Final verdict
Choose the Yaskawa AR1730 for value. Choose the FANUC ARC Mate 120iD for FANUC plants and extra reach.
Sources and further reading
Frequently asked questions
Which is cheaper, the FANUC ARC Mate 120iD or the Yaskawa AR1730?
The AR1730 is listed from $23,500 and the ARC Mate 120iD from $60,000, a difference of $36,500.
Do both carry 25 kg?
Yes.
Which robot has the longer reach?
The ARC Mate 120iD reaches 1831 mm; the AR1730 1730 mm.
Which robot is more precise?
Both publish ±0.02 mm.
What IP rating does the ARC Mate 120iD have?
IP54 for the body and IP67 for the wrist and J3 arm.
Which robot should I buy?
Choose the AR1730 for value. Choose the ARC Mate 120iD for FANUC plants.
