J1939 (9 Pin) / J1708 (6 Pin) to OBD2 Adapter for Cummins, Cat

Connect your standard OBD2 scanner directly to the world of heavy-duty diesel. This Y-adapter cable is the essential tool for any workshop, technician, or owner working with trucks, buses, and heavy equipment.

It allows you to use a single 16-pin diagnostic scanner with the two most common port types on commercial vehicles: the J1939 port (9-pin) and the J1708 port (6-pin) . This 2-in-1 cable gives you the flexibility to instantly switch between newer and older truck models without changing tools.

Key Features

• Dual Compatibility (2-in-1): A single cable connects your scanner to ports J1939 (9 Pins, green) and J1708 (6 Pins, black).
• Universal OBD2 Connector: The 16-pin female port works with the vast majority of diagnostic scanners and telematics devices on the market.
• Full Data Transfer: Provides power, ground and access to CAN (J1939) and J1708/J1587 data lines for full read.
• Robust Design: Built to withstand daily use in the workshop and in the field.

Compatibility

Compatible with most heavy-duty truck and engine manufacturers that use J1939 or J1708 protocols, including:

• Cummins
• Caterpillar (Cat)
• Mack
• Freightliner
• Kenworth
• International
• WestStar
• And many more...

Includes

• 1 x Heavy Duty Y Adapter Cable (J1708 6-Pin + J1939 9-Pin) to OBD2 16-Pin Female.

Technical specifications