This page showcases the OTC DAIHEN W-L02114 reducer, a genuine spare part commonly used on the fifth axis of the FD‑V20 robot. Often referred to by the shorthand “25‑80” (based on markings on the component), this reducer is essential for precise motion control. Below you will find photos, component details, and ordering information.

The W-L02114 is a precision reducer designed for the fifth axis of the OTC DAIHEN FD‑V20 robot. It transmits torque and ensures smooth, accurate movement of the robot arm. The reducer is often identified by the numbers “25‑80” stamped on it, leading some users to call it the “25‑80 reducer”. However, the correct OTC DAIHEN part number is W-L02114.

The genuine W-L02114 reducer comes with three accessories, as shown in the image below. These components are necessary for proper installation and operation.

Part Number: W-L02114
Description: Reducer (gearbox) for robot axis
Application: Fifth axis of OTC DAIHEN FD‑V20 robot
Common Reference: 25‑80 reducer (based on marking)
Kit Includes: Reducer + three installation accessories
Origin: Japan – genuine OTC DAIHEN production
For a complete list of FD‑V20 robot components and their corresponding OTC order numbers, please visit: OTC DAIHEN FD‑V20 robot parts specifications and order numbers
Using authentic OTC DAIHEN W-L02114 reducers ensures correct gear ratios, precise tolerances, and long service life. Non‑OEM replacements may cause axis drift, increased wear, or premature failure. As an authorized OTC DAIHEN distributor, we supply only 100% original, factory‑sealed parts.
We offer a full range of OTC DAIHEN equipment, original spare parts, and consumables. Contact us for reducers, motors, cables, controllers, and more.
For pricing, stock availability, or technical inquiries regarding the OTC DAIHEN W-L02114 reducer, please contact us.
Phone / WhatsApp: +86-180-9663-1656
Email: ahojotc@gmail.com (preferred for detailed inquiries)
You are also welcome to connect on WhatsApp for technical discussions and knowledge sharing about OTC DAIHEN welding machines and robotic systems.
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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