FANUC CRX-5iA vs Doosan A0509s: 5 kg Cobot Comparison
The FANUC CRX-5iA and the Doosan A0509s both carry 5 kg at ±0.03 mm. The CRX-5iA reaches 994 mm and is taught by hand-guiding and tablet. The A0509s reaches 900 mm, adds an integrated force torque sensor and costs about 32% less.
Quick verdict. The Doosan A0509s is the better value for force-controlled tasks such as polishing and insertion, with a listed price $13,900 lower. The FANUC CRX-5iA is the better choice for FANUC plants and collaborative welding, with 994 mm reach and hand-guided teaching.
CRX-5iA and A0509s at a glance

The FANUC CRX-5iA carries 5 kg over 994 mm, repeats to ±0.03 mm, weighs 25 kg and runs on the R-30iB Mini Plus controller. It stops on contact and can be taught by hand-guiding.
The Doosan A0509s carries 5 kg over 900 mm, repeats to ±0.03 mm, weighs 21 kg, is rated IP54 and has an integrated force torque sensor. It runs on the Doosan controller with the DART platform.
Main specification comparison
Specification | FANUC CRX-5iA | Doosan A0509s |
Brand | FANUC | Doosan |
Listed price | $43,200 | $29,300 |
Payload | 5 kg | 5 kg |
Reach | 994 mm | 900 mm |
Repeatability | ±0.03 mm | ±0.03 mm |
Axes | 6 | 6 |
Speed | 1000 mm/s (collaborative mode); 2000 mm/s (high-speed mode) | Over 1 m/s max. TCP speed |
Arm weight | 25 kg | 21 kg |
IP rating | IP67 | IP54 |
Controller | R-30iB Mini Plus | Doosan Controller with DART Platform; teach pendant optional |
Price comparison
FANUC CRX-5iA: listed from $43,200
Doosan A0509s: listed from $29,300
Difference: $13,900
The A0509s costs roughly 32% less
Force sensing

The A0509s has a force torque sensor at the wrist, which lets it control pressure for polishing, sanding, peg-in-hole insertion and press-fit assembly out of the box. The CRX-5iA stops on contact for safety, and its strengths lie in handling, assembly and arc welding.
Payload, reach and precision
Both carry 5 kg and publish ±0.03 mm. The CRX-5iA reaches 994 mm, about 94 mm beyond the 900 mm of the A0509s. The arms weigh 25 kg and 21 kg, so both are easy to move between stations.
Programming and installation

The CRX series supports hand guiding and drag-and-drop programming on a tablet teach pendant, on the compact R-30iB Mini Plus. Doosan programs the A0509s on the DART platform with an optional teach pendant. The A0509s mounts in any orientation and carries IP54.
Best applications for the CRX-5iA
Machine tending in FANUC plants
Collaborative arc welding
Small-part handling
Best applications for the Doosan A0509s

Polishing and finishing
Insertion and press-fit assembly
Force-controlled testing
CRX-5iA advantages
994 mm reach
Hand guiding and tablet programming
Arc welding support
CRX-5iA limitations
About $13,900 higher listed price
Doosan A0509s advantages
Integrated force torque sensor
About 32% lower listed price
IP54
Doosan A0509s limitations
900 mm reach
Final verdict
Choose the Doosan A0509s for force control. Choose the FANUC CRX-5iA for FANUC plants and ease of teaching.
Sources and further reading
Frequently asked questions
Which is cheaper, the FANUC CRX-5iA or the Doosan A0509s?
The A0509s is listed from $29,300 and the CRX-5iA from $43,200, a difference of $13,900.
Do both cobots carry 5 kg?
Yes, and both publish ±0.03 mm repeatability.
Which cobot has force sensing?
The A0509s has an integrated force torque sensor.
Which cobot has the longer reach?
The CRX-5iA reaches 994 mm; the A0509s 900 mm.
How is the CRX-5iA programmed?
By hand guiding and drag-and-drop programming on a tablet teach pendant.
Which cobot should I buy?
Choose the A0509s for force control. Choose the CRX-5iA for FANUC plants.



