Homepage / GPS / Marine / Chartplotters / Fishfinders / Marine Accessories / Marine Transducers

Garmin GT20 4-pin and 8-pin Transom Mount Transducers

Product Codes: GARGT204 and GARGT208

The Garmin GT20 transom mount transducer is perfect for the shallow water fisherman who want traditional and CHIRP ClearVu scanning sonar.

Once connected to your compatible Garmin Chartplotter or Fishfinder the GT20 transom mount mount transducer consistently displays clear and crisp fish arches with superior target separation as well as clear definition of structure below your vessel.

The 20ft transducer cable with built-in fast response temperature sensor has a power rating of 500W; a depth of 1,900ft (traditional) and 750ft (ClearVu); an operating frequency of 77/200kHz (traditional) and 455kHz (ClearVu); and a 0 to 70 transom angle.

Garmin part number: 010-01960-00 (4-pin)
Garmin part number: 010-01960-01 (8-pin)

Compatibility: Compatible with selected Garmin chartplotter/fishfinders models, please complete our online form on the Garmin Transducers Buyer's Guide page.

Garmin GT20 4-Pin Transom Mount Transducer - £109.95

Garmin GT20 8-Pin Transom Mount Transducer - £138.95

Deliveries

We offer UK, Europe and Worldwide deliveries. We despatch orders at 4:30pm on Monday, Tuesday, Wednesday, Thursday and Friday. We need to receive your order on those days by 3:00pm. When possible we may despatch orders received after that time. No orders are despatched on Saturday, Sunday or Bank Holidays in England and Wales.

We offer FREE UK delivery on all orders of £50.00 or more, plus next working day and guaranteed Saturday delivery options. Click here for further info. All options also appear at the basket pages.

Garmin GT20 Transom Mount

The Garmin GT20-TM transom mount transducer is perfect for the shallow water fisherman who want traditional and CHIRP ClearVu scanning sonar.

Once connected to your compatible Garmin Chartplotter or Fishfinder the GT20 transom mount transducer consistently displays clear and crisp fish arches with superior target separation as well as clear definition of structure below your vessel.

Transducer comes with transom and trolling motor mounts, and installation instructions. Follow the instructions carefully to avoid damaging your boat.

Key Features

‣Transom mount transducer
‣4-pin or 8-pin transom mount transducer (depending upon model ordered)
‣Traditional sonar (77/200kHz)
‣CHIRP ClearVu (455kHz)
‣Traditional/CHIRP Power 500W
‣Genuine Garmin accessory

What's in the box?

‣GT20-TM transducer
‣Transom mount
‣Mounting hardware
‣Documentation

What is the Garmin GT20-TM compatible with?

The genuine Garmin GT20 is transom mount transducer and is compatible with selected Garmin chartplotter/fishfinders models. Unless you are sure it is compatible with your Garmin marine GPS device please complete our online form on the Garmin Transducers Buyer's Guide page.

Once you have completed the online form with details of the Garmin marine device you own or intend to use your Garmin transducer with, we will then be able to confirm the exact transducer best suited to your needs.

The Garmin Transducer online form also asks: What material is your boat's hull made from? How is your motor mounted? Which transducer mounting style would you like to use? What is the deadrise angle of the boat's hull where the transducer will be mounted? What sonar view(s) do you require?

View the Garmin Transducer Buyer's Guide

Garmin GT20-TM Technical Specification

‣Frequency: Traditional 77/200; ClearVu CHIRP 455 kHz (435-475 kHz) and 800kHz (800-840 kHz)
‣Power: Traditional 500 watts; ClearVu 500 watts
‣Beam width (°) LF/HF (-3dB): Traditional (45/15); ClearVü (2.5x53 @ 455 kHz) and (1.6x29 @ 800 kHz)
‣Maximum depth: Traditional: 1,900 foot; ClearVu: 750 foot
‣Depth/Speed/Temperature: Depth and Temperature
‣Number of pins: 4-pin or 8-pin (depending upon model required/ordered)
‣Cable length: 20 foot
‣Supported deadrise/Transom angles: 0°-70° degree transom
‣Garmin Transom Mount Transducer manual

Manual requires Adobe Acrobat Reader
Download a free copy here

This product is a sophisticated electronic device which requires that you read, understand, and act upon the information given in the instruction manual (usually available via the above 'manual' link).

Why buy from us?

We are official Authorised Internet Retailers for Garmin. We sell genuine Garmin products, accessories and maps. We purchase from assigned Garmin UK distributors. We do not buy on the grey market and we do not sell counterfeit products. You can rest assured that by purchasing from ActiveGPS you will receive the full support of Garmin.

This page was last updated on: 19th December 2024