The OTC Daihen FD11-B4L robot is an extended version of the FD11-B4, designed for welding tasks that require greater reach and internal cable routing. With a 2.0-meter arm span and improved torch mobility, this model provides reliable performance in automated welding lines.
Refer to the diagram below for the component locations of the OTC welding robot FD11-B4L.

① AC Servo Motor – Part No. W-L02641
② Cycloid Reducer – Part No. W-L02116
③ Grease – Part No. 100-0624
④ AC Servo Motor – Part No. W-L02152
⑤ Cycloid Reducer – Part No. W-L02117
③ Grease – Part No. 100-0624
① AC Servo Motor – Part No. W-L02641
⑥ Cycloid Reducer – Part No. L10725F00
③ Grease – Part No. 100-0624
⑦ AC Servo Motor – Part No. W-L02148
⑧ Harmonic Reducer – Part No. W-L02034
⑨ Crossed Roller Bearing – Part No. W-L02551
⑩ Grease – Part No. 2670-052
⑪ Grease – Part No. 2670-017
⑫ Grease – Part No. 100-1491
⑦ AC Servo Motor – Part No. W-L02148
⑬ Harmonic Reducer – Part No. L10725H00
⑭ Timing Belt – Part No. W-L02051
⑬ Sealant – Part No. 100-1516
⑩ Grease – Part No. 2670-052
⑯ AC Servo Motor – Part No. W-L02147
⑰ Harmonic Reducer – Part No. W-L02036
⑱ Crossed Roller Bearing – Part No. W-L02551
⑬ Sealant – Part No. 100-1516
⑲ Grease – Part No. 2670-053
⑪ Grease – Part No. 2670-017
⑫ Grease – Part No. 100-1491
⑳ Battery – Part No. 100-2147
Cable Assembly (1) – Rack to upper arm – Part No. L10525C00
Cable Assembly (2) – For J5/J6 axes inside arm – Part No. L10525D00
Cable Assembly (3) – Part No. L10525E00
Cable Assembly (4) – For J6 axis inside arm – Part No. L10470H00
J5 Axis Unit Assembly – Part No. L10470C00
J6 Axis Unit Assembly – Part No. L11140B00
Power Cable Assembly 1 – Inside J1 shaft – Part No. L10485Q00
Power Cable Assembly 2 – J2 to upper arm – Part No. L10485S00
All parts listed are genuine OTC Daihen, ensuring perfect fit and long‑term reliability for your FD11-B4L robot.
We provide original OTC robotic parts and equipment, fully certified as an official OTC agent. All components are 100% genuine and factory-approved. You're also welcome to connect via WeChat for knowledge sharing and expert support on OTC welding robots.
📞 Need Original OTC Parts?
📱 Phone / WeChat / WhatsApp: +86-180-9663-1656
✉️ Email: ahojotc@gmail.com
* For fastest response, please contact via phone or WhatsApp. We offer expert advice and competitive pricing on all OTC Daihen parts.
OTC Daihen FD11-B4L Welding Robot Parts – All part numbers are based on official OTC documentation.
* Product images are for reference; actual parts may vary slightly by batch.
Company: COMPANY:Authorized Distributor of OTC Daihen
Contact person: Contact:Mr.Fang
Mobile phone: Phone:+86-18096631656
Email address: Email:15305667776@163.com
Address: Add:Room 11-704, K Xijia, No. 502, Wangjiang West Road, Hefei, Anhui, China