Garmin GT20-TM 8 Pin Transom Mount Transducer

Overview

Designed for transom mounting or trolling motor mounting, the GT20-TM consistently displays fish arches and clear pictures of objects, structure and fish that pass below your boat.

Key Features

• Traditional sonar plus CHIRP ClearVü scanning improves clarity when separating fish from structure.
• 500 W power supports strong returns for typical inshore and freshwater use.
• 20 ft cable supports flexible routing on small boats and inflatable setups.
• Built-in fast response temperature sensor provides real-time water temperature readings.
• 8-pin connection suits compatible Garmin fishfinder units using the 8-pin transducer port.

Specifications

• Cable length is 20 ft.
• Maximum power is 500 W.
• Maximum depth is 1,900 ft on traditional sonar depending on conditions.
• Maximum depth is 750 ft on DownVü or ClearVü depending on conditions.
• Frequency is 77/200 kHz for traditional sonar.
• Frequency is 455 kHz for DownVü or ClearVü.
• Supported transom angle range is 0° to 70°.

What’s Included

• Transducer includes transom mount and trolling motor mount options.
• Installation instructions are included to help prevent incorrect fitting and boat damage.

Installation Notes

• Follow the included instructions carefully to avoid damaging your boat.
• Mount the transducer where it stays in clean water flow for stable readings at speed.
• Route the cable away from high-current power wiring to reduce interference on the sonar display.

FAQs

What is the difference between the 8-pin and 4-pin GT20-TM?

The key difference is the connector type because this model uses an 8-pin plug for compatible Garmin units with an 8-pin transducer port.

Does the GT20-TM 8-pin support CHIRP ClearVü scanning?

Yes, it provides traditional sonar plus CHIRP ClearVü scanning for clearer structure and target detail beneath the boat.

Can I mount it on a transom or a trolling motor?

Yes, it is designed for transom mounting or trolling motor mounting and the mounting options are included.

Does it display water temperature?

Yes, it includes a built-in fast response temperature sensor in the transducer cable.

How deep can it read?

It is rated to 1,900 ft for traditional sonar and 750 ft for ClearVü depending on conditions and installation quality.

What frequencies does it use?

It uses 77/200 kHz for traditional sonar and 455 kHz for ClearVü or DownVü.

Is this suitable for inflatable boats?

Yes, for mounting on a SIB, consider the Railblaza Transducer Kit.

Shipping Cost

Shipping this item to mainland UK is:

Please see all our Shipping Fees here.

For overseas shipping fees please Contact Us.

Don’t forget to join our Facebook Group with over 8000 Inflatable Boat Fishing enthusiasts