Industrial robotsDAIHENShowcase
DAIHEN FD-B4
By DAIHEN
The Daihen FD-B4 is a six-axis robot with 4 kg payload, a slim arm and internal cable routing.
The FD-B4 is a six-axis articulated robot from Daihen (type name NB4). According to the manufacturer the robot has a simple, slim arm shape that saves space, a smaller swing area and internal cable routing that prevents cables from snagging during movement. Wrist payload is 4 kg, upper-arm payload 10 kg and weight 154 kg. The page shows a video of an automatic welding system for transformer cases. Availability in the Netherlands has not been confirmed.
Status 2026
ShowcaseThis model is listed as a showcase. Direct commercial availability has not been confirmed.- ProductionIndustrial robot
Reprogrammable manipulator (robot arm) with three or more axes, for automation in industry.
- ModularSix-axis robot with internal cabling
In the industrial robots category.
- Weight
- 154 kg
What the robot itself weighs.
Values as recorded on the robot profile, generally based on manufacturer information. Configuration and operating conditions can change the figures; confirm them with the supplier.
What is DAIHEN FD-B4?
DAIHEN FD-B4 is an industrial robot from DAIHEN from Japan, listed for welding of transformer cases. Key figures: weight 154 kg. Market status: showcase. Availability and deployment options should be confirmed with a supplier. Robotleasen does not sell robots; it helps businesses compare suppliers and recorded information.
Application
What was FD-B4 developed for?
Welding of transformer cases
Business fit
When might FD-B4 be a fit?
An initial view based on the recorded category and model information
May be suitable for
- Organisations assessing a robot for a defined task and work environment.
- Teams comparing the robot's recorded profile with other options.
- Businesses that want to validate the application and integration requirements.
Considerations
- Confirm capabilities and current availability with the manufacturer or supplier.
- Check the work environment, integration needs and local support before selecting a model.
Facts
Did you know?
Notable facts about FD-B4, its manufacturer and this type of robot
- 2021
According to ISO 8373:2021, an industrial robot is an automatically controlled manipulator that is reprogrammable, has multiple purposes and can be programmed in three or more axes.
Source: IFR, Industrial robots (ISO 8373) - 1961
In 1961 the Unimate was installed on a General Motors assembly line in Ewing Township, New Jersey. Guinness World Records lists it as the first industrial production robot.
Source: Guinness World Records, First industrial production robot - 2025
A safety standard for industrial robots, ISO 10218-1, appeared in February 2025 as its third edition.
Source: ISO 10218-1:2025 - 2023
Regulation (EU) 2023/1230 (the Machinery Regulation) replaces Machinery Directive 2006/42/EC and applies from 20 January 2027.
Source: EU-OSHA, Regulation (EU) 2023/1230
Video
FD-B4 in action
Daihen: automatic welding system for a transformer case
Market and supply
Is FD-B4 available?
A profile status is not a confirmed offer or delivery time
What is settled?
Checked 11 November 2026- Market statusShowcaseconfirmed
Mainly a demonstration model; not regularly on sale.
- RegionJapanconfirmed
Where the model is supplied, according to the profile.
- Lease / RaaSNot confirmednot confirmed
No supplier has confirmed lease or robot-as-a-service.
- RentalNot confirmednot confirmed
No supplier has confirmed rental.
2 of 4 settled. The rest depends on the supplier.
View available alternativesManufacturer
DAIHEN
DAIHEN is listed in the Robotleasen directory with 27 robot models.
OUR INTERPRETATION
Our perspective on FD-B4
The FD-B4 is a six-axis articulated robot from Daihen (type name NB4). According to the manufacturer the robot has a simple, slim arm shape that saves space, a smaller swing area and internal cable routing that prevents cables from snagging during movement. Wrist payload is 4 kg, upper-arm payload 10 kg and weight 154 kg. The page shows a video of an automatic welding system for transformer cases. Availability in the Netherlands has not been confirmed.
Lease or rent
Can you lease this robot?
Leasing options for this model are not in our data. Ask the supplier about leasing, rental or Robot-as-a-Service, or use our request page for advice.
Compare
Compare FD-B4 with alternatives
| Feature | FD-B4DAIHEN · this robot | Motoman MOTOMINIYaskawa | Motoman PL190Yaskawa | Motoman PL320Yaskawa |
|---|---|---|---|---|
| Market status | Showcase | Commercially available | Commercially available | Commercially available |
| Application | Welding of transformer cases | Assembly, Handling | Palletising | Palletising |
| Deployment | Not confirmed | Not confirmed | Not confirmed | Not confirmed |
| Region | Japan | Not publicly confirmed | Not publicly confirmed | Not publicly confirmed |
| Difference | — | Different market status: commercially available | Different market status: commercially available | Different market status: commercially available |
| Link | View robot | View robot | View robot |
Frequently asked questions
Questions about FD-B4
What is the DAIHEN FD-B4?
DAIHEN FD-B4 is an industrial robot from DAIHEN from Japan, listed for welding of transformer cases. Key figures: weight 154 kg. Market status: showcase. Availability and deployment options should be confirmed with a supplier. Robotleasen does not sell robots; it helps businesses compare suppliers and recorded information.
What are the specifications of the DAIHEN FD-B4?
Key figures: weight 154 kg. Values as recorded on the robot profile, generally based on manufacturer information. Configuration and operating conditions can change the figures; confirm them with the supplier.
Which supplier is listed for the DAIHEN FD-B4?
DAIHEN FD-B4 is listed under DAIHEN, based in Not publicly confirmed. Check local sales and support terms directly with the supplier.
Is the DAIHEN FD-B4 available to buy or lease in the Netherlands?
Showcase. Deployment: not confirmed. Whether this model is available to buy, rent or lease in the Netherlands depends on the supplier. Ask a supplier to confirm current availability.
How much does the DAIHEN FD-B4 cost?
No reliable public price is listed for this model. Costs depend on configuration and supplier. Ask a supplier for price information
What is the DAIHEN FD-B4 used for?
The applications listed for the DAIHEN FD-B4 include welding of transformer cases.
What are alternatives to the DAIHEN FD-B4?
Profiles include Yaskawa Motoman MOTOMINI, Yaskawa Motoman PL190 and Yaskawa Motoman PL320. Compare their applications, specifications and market status.
Next step
Looking for a robot that is available today?
Review the recorded market status, applications and alternatives for this robot. We do not sell robots ourselves, but help you compare suppliers and terms.
Sources and checks
Checked against the manufacturer · last checked
- Manufacturer daihen-robot.com
Specifications are generally based on manufacturer information and have not been measured by Robotleasen. See our editorial approach.


