GT20-TM Transom/Trolling Motor Mount 8-Pin Traditional and CHIRP ClearVu Transducer


In stock online.
Model # 17492372 | Mfg # 010-01960-01 | UPC # 753759152765

Traditional/ClearVü optimized for clearer image at shallow depths.

The GT20-TM 8 Pin Transom Mount Transducer is excellent for the shallow water fisherman who wants traditional and CHIRP ClearVü scanning sonar, this transom or trolling motor mounted transducer consistently displays fish arches as well as clear pictures of objects, structure and fish that pass below your boat.

This transducer includes both a Transom Mount and a Trolling Motor Mount.


  • Style: Transom mount
  • Cable Length: 20'
  • Connector: 8-pin
  • Transom Angle: 0-70° transom
  • Monitors: Depth, Speed and Temperature
  • Material: Plastic
  • Transmit Power: Trad 500W, ClearVü 500W
  • Frequency Range: Trad. 77/200kHz, ClearVü CHIRP 455kHz (435-475) 800kHz (800-840)
  • Max. Depth: Trad. 1,900, ClearVü: 750
  • Beamwidths: Trad. 45°/15°, ClearVü 2.5° x 53° @455, 1.6° x 29° @800


GT20-TM Transom/Trolling Motor Mount 8-Pin Traditional and CHIRP ClearVu Transducer

Name Value
Beam Traditional: 45/15 Degrees
DownVu 2.5x53
Connection Interface 8-Pin Connector
Frequency DownVu: CHIRP 435-475 kHz
CHIRP 800-840 kHz
Traditional 77/200
Material Plastic
Maximum Depth Traditional 1900 Feet
DownVu 750 Feet
Sonar CHIRP Sonar
High-Detail Resolution
Transmit Power 500 Watts
Type Transom Mount


The West Advisor articles have answered boaters' questions and provided solutions to boating problems for more than 20 years. West Marine has compiled one of the Web's most comprehensive collections of technical boating information articles.

Related West Advisor Articles


Product Q & A


FREE DELIVERY to West Marine Stores

  • Available for ALL products including hazardous & truck freight items.
  • Ship to over 240 U.S. store locations.
  • Contiguous United States orders arrive in 7 - 10 days.
  • Hawaii and Alaska orders arrive in 10 - 16 days.
  • Expedited shipping is available for an additional fee.
  • Not available in Puerto Rico.

FREE SHIPPING on Orders over $49.00

  • Applicable on orders over $49.00 within the 48 contiguous United States.
  • Does not apply to Truck Freight.
  • No coupon code required.
  • Orders will be delivered within 3 - 7 business days.


We stand behind everything we sell. If at any time your West Marine purchase does not meet your expectations, you can return it for a replacement or refund. If you are a West Advantage Rewards member, you don't even need a receipt - we'll have a record of your purchase. Returns can be made via mail or in person at their nearest store location. If you are not a West Advantage Rewards member, we will first need to verify your purchase by receipt or other method.

We do carry a few items that cannot be returned. This includes: items with expiration dates that have expired such as flares, charts, annual publications; items registered to the user such as boats, motors, EPIRBs, PLBs, SPOT, Class B AIS, life rafts; customized items such as rigging, and boat covers, computer software and electronics charts. Other non-returnable items include carry-on air conditioners, generators and select electronics. We will help you contact the vendor for assistance or repair on product that cannot be returned to West Marine. Items containing hazardous material may only be returned to a West Marine store.

For additional inquiries, you may call Customer Service at 1-800-BOATING (262-8464).