Garmin GT40-TM Transducer (010-01963-00)
Garmin GT40-TM Transducer (010-01963-00)
Model Number: 010-01963-00
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Garmin GT40-TM Transducer
Do you have an old GPS unit lying around? The GPS Nation Trade In and Up program is a great way to trade in your old and used GPS for credit towards a new GPS. The choice is entirely yours! We’ve made the process simple and streamlined. Follow these simple steps, and you will be on your way to receiving credit towards your brand new GPS!
1. Get a quote
To get your free quote, provide your GPS type, manufacturer, model, and condition. Within 24 hours, you will receive a quote for the trade-in value of your current product. The GPS trade-in/trade-up form is at the bottom of this page.
2. Ship your product(s) for trade
After accepting our offer, pack your product(s) safely and ship them to us using the pre-paid shipping label provided to you. We will provide a confirmation email when your trade-in arrives at our warehouse. You have 30 days from the date you complete your on-line trade to ship the product to GPS Nation.
3. Make your purchase
Once we receive your product at our warehouse and we validate the stated condition, we will send you a confirmation email. If you elect to receive credit towards a new GPS at gpsnation.com, your store credit will be issued, and you are free to make your purchase.
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Tech Specs
In The Box
Garmin GT40-TM Transducer
Trade-In
Do you have an old GPS unit lying around? The GPS Nation Trade In and Up program is a great way to trade in your old and used GPS for credit towards a new GPS. The choice is entirely yours! We’ve made the process simple and streamlined. Follow these simple steps, and you will be on your way to receiving credit towards your brand new GPS!
1. Get a quote
To get your free quote, provide your GPS type, manufacturer, model, and condition. Within 24 hours, you will receive a quote for the trade-in value of your current product. The GPS trade-in/trade-up form is at the bottom of this page.
2. Ship your product(s) for trade
After accepting our offer, pack your product(s) safely and ship them to us using the pre-paid shipping label provided to you. We will provide a confirmation email when your trade-in arrives at our warehouse. You have 30 days from the date you complete your on-line trade to ship the product to GPS Nation.
3. Make your purchase
Once we receive your product at our warehouse and we validate the stated condition, we will send you a confirmation email. If you elect to receive credit towards a new GPS at gpsnation.com, your store credit will be issued, and you are free to make your purchase.
Manual & Warranty
Overview
Garmin GT40-TM Transducer (010-01963-00)
Introduction
The Garmin GT40-TM Transducer delivers dual-frequency sonar imaging with 1,500 watts of total power, combining CHIRP DownVü and SideVü technology to reveal underwater structure and fish location with exceptional clarity. This marine-grade transducer is engineered for fishermen who demand precision imaging across varying water depths and conditions, from shallow coastal flats to offshore depths reaching 1,500 feet.
Key Features
- 1,500 watts total output power with 500 watts per element configuration for enhanced sonar resolution
- Dual-frequency operation: 455/800 kHz for DownVü and SideVü imaging, plus 77/200 kHz for traditional sonar returns
- Wide side-scan coverage extends to 200 feet on either side of the boat for comprehensive underwater visibility
- Temperature sensing capability automatically detects water conditions to aid fish location and behavior prediction
- Operating depth range of 1,500 feet accommodates offshore and deep-water fishing applications
- 12-pin transducer connector with complete mounting hardware and installation documentation included
Data Insights
The GT40-TM delivers approximately 30% clearer sonar imagery compared to conventional single-frequency transducers, a measurable improvement in target definition that directly impacts fish detection and catch efficiency. The side-imaging capability—showing structure and baitfish in a 200-foot swath perpendicular to boat travel—provides situational awareness that traditional downsonar alone cannot match, enabling anglers to identify productive fishing zones faster and fish them more strategically.
Usage Instructions
Mount the transducer in a location that minimizes water turbulence and air-bubble interference, typically on the transom or through-hull depending on your boat configuration. After installation, verify frequency selection in your Garmin display settings and calibrate water temperature readings for accuracy. Check mounting security before each outing and inspect the connector for corrosion or damage as part of regular maintenance.
Design & Material
The GT40-TM combines a streamlined profile with robust marine-grade construction. Its compact footprint reduces drag while housing the multiple elements required for dual-frequency operation. The transducer accepts standard mounting brackets and integrates seamlessly with Garmin fishfinder displays through the 12-pin connector interface.
- Corrosion-resistant polymer housing engineered for saltwater and freshwater environments
- Hydrodynamic shape minimizes water resistance and turbulence around the transducer face
- Color-coded internal wiring simplifies correct installation and reduces setup errors
- Durable cable with sealed connections protects against moisture ingress and electrical degradation
- Versatile mounting bracket compatibility supports transom and through-hull installations
- Integrated transducer element assembly consolidates DownVü, SideVü, and CHIRP functionality into one compact unit
Final Verdict
The Garmin GT40-TM Transducer (010-01963-00) is the essential upgrade for serious anglers ready to move beyond basic sonar. Its dual-frequency power, side-imaging reach, and reliable deep-water performance directly translate to more fish located and more successful outings. If you fish beyond shallow bays and want real-time structure mapping and temperature data, this transducer delivers the imaging clarity and operational flexibility needed to maximize your time on water.
