This page showcases the OTC DAIHEN H840B00 gun body, a genuine spare part used in the D12000 plasma cutting machine straight handle torch. This component forms the main body of the torch, providing structural integrity and housing internal parts such as the electrode and nozzle. Below you will find photos, specifications, and ordering information.




The H840B00 is a genuine OTC DAIHEN gun body designed for the D12000 straight handle plasma cutting torch. It serves as the main structural component, holding the torch's internal assembly and providing a robust base for the handle and consumables. Manufactured to exact OEM specifications, this gun body ensures precise alignment, reliable performance, and long service life in demanding cutting applications.
Part Number: H840B00
Description: Gun body for plasma cutting torch
Application: OTC DAIHEN D12000 straight handle plasma cutting torch
Material: Durable, heat‑resistant construction
Origin: Japan – genuine OTC DAIHEN production
Using authentic OTC DAIHEN H840B00 gun bodies ensures correct fit, proper alignment, and long‑term durability. Non‑OEM replacements may compromise torch performance or safety. 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 torch bodies, electrodes, nozzles, and more.
For pricing, stock availability, or technical inquiries regarding the OTC DAIHEN H840B00 gun body, 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, cutting systems, and robotic equipment.
* For fastest response, please email ahojotc@gmail.com directly. Thank you.
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