TEXA - 14-Pin Caterpillar Cable (3151/T61) | Diagnostic Cable | 3907749

The 3907749 14-Pin Caterpillar Cable (3151/T61) is a genuine TEXA diagnostic cable designed to establish reliable communication between compatible 2015 and newer Caterpillar® construction and off-highway equipment equipped with the 14-pin round diagnostic connector and TEXA's professional Off-Highway (OHW) diagnostic platforms. Designed for Caterpillar dealerships, heavy equipment repair facilities, construction fleets, mining operations, equipment rental companies, and mobile service technicians, this cable provides dependable ECU communication for professional diagnostics, troubleshooting, maintenance, and repair.

When paired with a compatible TEXA Navigator TXT MULTIHUB 2, Navigator TXTs, Navigator TXT, or another supported TEXA Navigator interface, along with IDC6 Off-Highway software, the required Truck & Off-Highway Power Supply & Adapter Kit (3905031 or 3916633 depending on the interface), and the necessary adapter cable, the 3151/T61 enables technicians to perform complete system scans, read and clear diagnostic trouble codes (DTCs), monitor live machine data, perform active tests, execute maintenance procedures, and access manufacturer-supported service functions. Diagnostic coverage varies depending on the software license, connected hardware, equipment model, production year, and supported electronic systems.

Designed specifically for Caterpillar's newer 14-pin diagnostic port, this cable is commonly used on compatible excavators, wheel loaders, bulldozers, articulated dump trucks, and other heavy construction equipment manufactured from 2015 onward. Built to TEXA's professional standards, it delivers reliable communication and durable performance in demanding construction, quarry, mining, and industrial service environments.

Key Features

• Genuine TEXA OEM diagnostic cable – Designed specifically for compatible Caterpillar construction equipment equipped with the 14-pin diagnostic connector.
• 14-pin Caterpillar connector – Designed for Caterpillar construction equipment manufactured from 2015 and newer.
• Supports TEXA IDC6 Off-Highway software – Built for use with TEXA's professional OHW diagnostic platform.
• Professional ECU communication – Supports fault-code reading and clearing, live data monitoring, ECU identification, active tests, maintenance procedures, and manufacturer-supported service functions where available.
• Compatible with TEXA Navigator interfaces – Works with TXT MULTIHUB 2, Navigator TXT, Navigator TXTs, and other supported TEXA diagnostic platforms.
• Heavy-duty construction – Built for daily use in construction equipment dealerships, fleet maintenance shops, and field service environments.
• Reliable plug-and-play connection – Provides stable communication between compatible Caterpillar equipment and TEXA diagnostic systems.
• Designed for modern Caterpillar equipment – Supports Caterpillar machines equipped with the newer 14-pin round diagnostic connector.
• Requires Power Supply & Adapter Kit – Requires the TEXA Truck & Off-Highway Power Supply & Adapter Kit (3905031) and appropriate Navigator adapter cable.

The 3907749 14-Pin Caterpillar Cable (3151/T61) is a diagnostic cable designed for use with compatible TEXA Navigator interfaces, IDC6 Off-Highway software, the required power supply kit, and adapter cables. Diagnostic coverage varies depending on the software license, connected hardware, machine model, production year, and supported electronic systems.

• Caterpillar excavator diagnostics – Supports compatible Caterpillar excavators equipped with the 14-pin connector.
• Caterpillar wheel loader diagnostics – Assists with diagnostics for supported wheel loaders.
• Caterpillar bulldozer diagnostics – Supports compatible crawler dozers.
• Caterpillar articulated dump truck diagnostics – Works with compatible articulated haul trucks.
• Construction and earthmoving equipment – Designed for Caterpillar heavy construction equipment manufactured from 2015 onward.
• Professional Off-Highway diagnostics – Ideal for dealerships, fleet maintenance facilities, mining operations, equipment rental companies, and mobile field technicians.

Frequently Asked Questions

What is the 3907749 14-Pin Caterpillar Cable (3151/T61)?

The 3907749 (3151/T61) is a genuine TEXA diagnostic cable designed to connect compatible 2015 and newer Caterpillar construction equipment equipped with the 14-pin diagnostic connector to TEXA diagnostic systems for professional Off-Highway diagnostics.

Does this cable include diagnostic software?

No. This product includes the diagnostic cable only. TEXA IDC6 Off-Highway software, a compatible TEXA Navigator interface, the required power supply kit, and accessories are sold separately.

Which TEXA interfaces are compatible?

The cable is compatible with TXT MULTIHUB 2, Navigator TXT, Navigator TXTs, and other supported TEXA diagnostic platforms.

Is additional hardware required?

Yes. The cable requires a compatible TEXA Navigator interface, the Truck & Off-Highway Power Supply & Adapter Kit (3905031 or 3916633 depending on the interface), and the appropriate adapter cable.

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.