FANUC M-900iB/400L vs Yaskawa GP400: 400 kg Robot Comparison
Updated: 10 hours ago
IN A NUTSHELL
🔎 THE KEY DIFFERENCE Both are compared at 400 kg. FANUC M-900iB/400L has the longer stated reach, which may help reach separated fixtures; it does not guarantee access at every tool angle. |
→ CONSIDER FANUC M-900iB/400L Consider it when extra reach is useful while the compared load capacity is the same. This article compares 400 kg with a published reach of 3704 mm; include the gripper and part in the load. |
→ CONSIDER Yaskawa Motoman GP400 Consider it when its stated load and reach already cover your task and its controls fit your equipment. This article compares 400 kg with a published reach of 2942 mm; include the gripper and part in the load. |
💡 THE TAKEAWAY Choose the robot that handles your actual tool and part through the required path, with controls and support your team can use. Compare complete installation quotes, rather than arm-only prices. |
The FANUC M-900iB/400L and the Yaskawa Motoman GP400 both carry 400 kg at ±0.1 mm. The M-900iB/400L reaches 3704 mm, about 760 mm further. The GP400 reaches 2942 mm, weighs 310 kg less and is listed about 35% lower.
Quick verdict. The Yaskawa GP400 is the better value for 400 kg handling within 2.9 m, with a listed price $65,000 lower. The FANUC M-900iB/400L is the better choice when 400 kg must reach 3.7 m.
M-900iB/400L and GP400 at a glance
The FANUC M-900iB/400L carries 400 kg over 3704 mm, repeats to ±0.1 mm, weighs 3150 kg and runs on the R-30iB Plus (B-cabinet) controller.
The Yaskawa Motoman GP400 carries 400 kg over 2942 mm, repeats to ±0.1 mm, weighs 2840 kg and runs on the YRC1000 controller.
Main specification comparison
Specification | FANUC M-900iB/400L | Yaskawa Motoman GP400 |
Brand | FANUC | Yaskawa Motoman |
Listed price | $185,000 | $120,000 |
Payload | 400 kg | 400 kg |
Reach | 3704 mm | 2942 mm |
Repeatability | ±0.1 mm | ±0.1 mm |
Axes | 6 | 6 |
Arm weight | 3150 kg | 2840 kg |
Controller | R-30iB Plus (B-cabinet) | YRC1000 |
Price comparison
FANUC M-900iB/400L: listed from $185,000
Yaskawa GP400: listed from $120,000
Difference: $65,000
The GP400 costs roughly 35% less
Reach
The M-900iB/400L reaches 3704 mm, about 762 mm beyond the 2942 mm of the GP400. That covers large presses, long fixtures and several stations with 400 kg loads, which few robots can do.
Weight and installation
The M-900iB/400L weighs 3150 kg, the GP400 2840 kg. Both mount on the floor and need substantial foundations. Both publish ±0.1 mm repeatability.
Controllers
FANUC runs the M-900iB/400L on the R-30iB Plus B-cabinet. Yaskawa runs the GP400 on the YRC1000. Both target heavy material handling, machine tending and assembly.
Best applications for the M-900iB/400L
400 kg handling over 3.7 m
Large press tending
Heavy multi-station transfer
Best applications for the Yaskawa GP400
400 kg handling within 2.9 m
Casting and engine handling
Heavy fixture handling
M-900iB/400L advantages
3704 mm reach
M-900iB/400L limitations
About $65,000 higher listed price
3150 kg arm
Yaskawa GP400 advantages
About 35% lower listed price
2840 kg arm
Yaskawa GP400 limitations
2942 mm reach
Final verdict
Choose the Yaskawa GP400 for value. Choose the FANUC M-900iB/400L for long reach.
Sources and further reading
Frequently asked questions
Which is cheaper, the FANUC M-900iB/400L or the Yaskawa GP400?
The GP400 is listed from $120,000 and the M-900iB/400L from $185,000, a difference of $65,000.
Do both carry 400 kg?
Yes.
Which robot has the longer reach?
The M-900iB/400L reaches 3704 mm; the GP400 2942 mm.
Which robot is more precise?
Both publish ±0.1 mm.
How heavy are they?
The M-900iB/400L weighs 3150 kg; the GP400 2840 kg.
Which robot should I buy?
Choose the GP400 for value. Choose the M-900iB/400L for reach.
