Kubota Diagmaster K-Diag - Dealer Diagnostics & Programming 2025-09-10

New release thread for Kubota Diagmaster (DM) + K-Diag Flow — Diagnostic suite for Kubota machines: discuss, share feedback, and get help.

Kubota Diagmaster (DM) + K-Diag Flow — Diagnostic suite for Kubota machines​

Official Kubota Diagmaster with K-Diag Flow for DTCs, live data, tests, and guided service.

Overview
Kubota’s dealer diagnostic package for agricultural and construction equipment.
Includes Diagmaster (DM) and K-Diag Flow guided service content; designed for use
with the DENSO DST-i VCI.

View attachment 781

Included in this package
• Diagmaster application v4.20 (Setup_Diagmaster_Ver420.exe)
• Kubota DB/Release packages (e.g., ReleaseNote_DB_for_Kubota_With_03_05…...

Click to expand...

Frequently Asked Questions​

Which Windows version is recommended?
For maximum stability during ECU flashing and diagnostics, a clean installation of Windows 10 (64-bit) is recommended.
Is it compatible with J2534 PassThru?
Most modern software versions support standard J2534 interfaces like Scanmatik 2 Pro, OpenPort 2.0, and specific VCI adapters.

What's inside:

• Overview & screenshots
• Version history and compatibility
• Download link and setup notes

View full details and download — Kubota Diagmaster (DM) + K-Diag Flow — Diagnostic suite for Kubota machines