Garmin GT51M-TM Transom Mount DownVü/SideVü 500W, Traditional 600W Transducer Mid-Band CHIRP w/Temp - 12-Pin
Garmin GT51M-TM Transom Mount DownVü/SideVü 500W, Traditional 600W Transducer Mid-Band CHIRP w/Temp - 12-Pin — Product description
Perfect for the coastal and offshore fisherman who want CHIRP traditional sonar, CHIRP ClearVü and CHIRP SideVü scanning sonar, this transom mounted transducer consistently displays clear and crisp fish arches with superior target separation as well as clear pictures of objects, structure and fish that pass below and to each side of your boat and is optimized for rough sea conditions.
The CHIRP ClearVü/SideVü elements have a power rating of 500 W per element and operating frequencies of 260/455 kHz. The traditional CHIRP sonar has a power rating of 600 W and operating frequencies of mid-band CHIRP 80-160 kHz. It also includes a built-in fast response temperature sensor.
GT51M-TM includes a 12-pin transducer with mounting hardware and installation instructions. Follow the instructions carefully to avoid damaging your boat
Imagine gliding through choppy coastal waters or chasing big game far offshore, with crystal-clear views of fish hiding in structure below and to the sides of your boat. The Garmin GT51M-TM steps up as a rugged transom-mount transducer that delivers exactly that, blending mid-band CHIRP traditional sonar with advanced CHIRP ClearVü and SideVü scanning for unmatched clarity in tough conditions.
Why Serious Anglers Choose This Transducer
For those who fish where the action gets intense—think rock piles, drop-offs, and wrecks—this unit shines. Its mid-band CHIRP traditional sonar (80-160 kHz at 600W) paints sharp fish arches and excels at separating targets even in cluttered water columns. Paired with ClearVü and SideVü (260/455 kHz at 500W per element), you get photo-like images of bottom contours, bait schools, and predators lurking nearby, without the guesswork of basic 2D sonar.
What sets it apart? Optimization for rough seas means reliable performance when waves pound the transom. The built-in fast-response temperature sensor tracks water changes that trigger bites, giving you an edge on species like snapper or tuna that chase thermal shifts.
Key Performance Specs That Deliver Results
| Sonar Type | Frequency | Power | Max Depth | Beamwidth |
|---|---|---|---|---|
| Traditional CHIRP | 80-160 kHz | 600W | 1,800 ft | 24°-13° |
| ClearVü/SideVü CHIRP | 260 kHz & 455 kHz | 500W (per element) | 1,000 ft (ClearVü) / 750 ft (SideVü) | 2.0°x51° @260 kHz / 1.4°x29° @455 kHz |
With a 30-foot cable and compatibility for 0°-70° transom angles, installation fits most hulls. The 12-pin connector plugs seamlessly into compatible Garmin displays, unlocking full sonar potential right out of the box.
Real-World Advantages for Offshore and Inshore Fishing
- Superior Target ID: Mid-band CHIRP cuts through thermoclines better than fixed-frequency sonar, spotting game fish amid bait balls.
- Side-Scan Coverage: Reveal fish holding 750 feet out—perfect for drifting over reefs or searching ledges without marking spots blindly.
- Rough-Water Resilience: Bronze construction and secure mounting hardware handle pounding waves, keeping readings steady when others falter.
- Temp Tracking: Quick sensor response helps time your drifts around upwellings or current breaks.
Anglers report hooking more keepers by dialing in on wreck edges or suspended schools that traditional setups miss. It's not just data—it's actionable intel that fills the box.
Pro Tips for Peak Performance
Mount it 1/8 to 1/4 inch below the hull bottom for optimal water flow, and angle it parallel to the waterline. Keep the trailing edge higher to shed air bubbles in turns. Pair with a Garmin sounder module for max output, and calibrate sensitivity to match sea state—start low in calm, crank up offshore. Regular hull cleaning prevents marine growth from muddying signals.
Frequently Asked Questions
What makes the GT51M-TM ideal for rough sea conditions?
Its durable design and optimized beam patterns minimize interference from waves and boat motion, ensuring consistent, clear sonar returns even in choppy waters.
Does this transducer measure water temperature?
Yes, it features a built-in fast-response temp sensor that provides real-time readings, helping you locate fish based on thermal preferences.
What's the difference between ClearVü and SideVü?
ClearVü scans directly below for detailed down-looking images, while SideVü covers to the sides, revealing structure and fish up to 750 feet away horizontally.
Can it handle steep transom angles?
Absolutely, it supports 0° to 70° deadrise/transom angles, making it versatile for planing hulls and deep-V boats.
How deep does the traditional CHIRP sonar go?
Up to 1,800 feet, providing reliable bottom tracking and fish detection in deep offshore scenarios.
Is mounting hardware included?
Yes, it comes with all necessary transom-mount hardware and detailed instructions for a secure, DIY-friendly setup.
What Garmin units is it compatible with?
The 12-pin connector works with many Garmin chartplotters and fishfinders supporting CHIRP traditional, ClearVü, and SideVü sonar.
Built to last with Garmin's reputation for marine toughness, this transducer turns your boat into a fish-finding machine. Ready to upgrade your setup and outfish the fleet?
Garmin make products that are engineered on the inside for life on the outside. We bring GPS navigation and wearable technology to the automotive, aviation, marine, outdoor and fitness markets. We believe every day is an opportunity to innovate and a chance to beat yesterday. We offer products with essential utility, leading-edge technologies, compelling features, and exceptional ease-of-use to create clear differentiators our customers appreciate and desire.
Garmin 100196600 Attributes
- Mounting Location: Transom Mount
- Number Of Pins: 12 Pin
- Depth: 1800 Feet For Traditional, 1000 Feet For ClearVü And 750 Feet For SideVü
- Power Rating: 600 Watt For Traditional And 500 Watt For ClearVü/ SideVü
- Frequency Range: 80-160 kHz For Mid-Band CHIRP And 260/455 kHz For ClearVü/SideVü
- Supported Angle: 0 To 70 Degree Transom Angle
- Cable Length: 30 Feet
Garmin 100196600 Features & Benefits
- Perfect For Coastal And Offshore Fishermen Who Want CHIRP Traditional Sonar And CHIRP ClearVu And CHIRP SideVu Scanning Sonar
- Transom Mounted Transducer Consistently Displays Clear And Crisp Fish Arches With Superior Target Separation, Clear Pictures Of Objects, Structure And Fish That Pass By Your Boat
- Transducer Is Optimized For Rough Sea Conditions
- Transducer With Built-In Fast Response Temperature Sensor Has A Power Rating Of 500 Watt Per Element
- Provides A 12-Pin Transducer With Mounting Hardware And Installation Instructions
- Limited 2 Year Warranty
Garmin 100196600 Installation Instructions
Garmin 100196600 Warranties
GT51M-TM Transom Mount DownVü/SideVü 500W (CHIRP 260/455 kHz) Traditional 600W Mid-Band CHIRP 80-160 kHz Transducer with Temp - 12-Pin
The GT51M-TM transom mount transducer provides ultra-clear sonar pictures of objects, structure and fish that pass below your boat. This traditional CHIRP and CHIRP DownVü/SideVü transducer is optimized for depth performance and rough condidtions.
The CHIRP DownVü/SideVü elements have a power rating of 500W per element (1,500W total) and operating frequencies of 260/455 kHz. The traditional CHIRP sonar has a power rating of 600W and operating frequencies of mid-band CHIRP 80-160 kHz. It also includes a built-in fast response temperature sensor.
GT51M-TM includes a 12-pin transducer with mounting hardware and installation instructions. Follow the instructions carefully to avoid damaging your boat.
"GT51M-TM 12-Pin Transom Mount Transducer (010-01966-00) by Garmin, This transom mount transducer provides ultra-clear sonar pictures of objects, structure and fish that pass below your boat. This traditional CHIRP and CHIRP DownV\u00fc\/SideV\u00fc transducer is optimized for depth performance and rough conditions. Perfect for the coastal and offshore fisherman who want CHIRP traditional sonar, CHIRP ClearV\u00fc and CHIRP SideV\u00fc scanning sonar, this transom mounted transducer consistently displays clear and crisp fish arches with superior target separation as well as clear pictures of objects, structure and fish that pass below and to each side of your boat and is optimized for rough sea conditions. The CHIRP ClearV\u00fc\/SideV\u00fc elements have a power rating of 500 W per element (1,500 W total) and operating frequencies of 260\/455 kHz. The traditional CHIRP sonar has a power rating of 600 W and operating frequencies of mid-band CHIRP 80-160 kHz. It also includes a built-in fast response temperature sensor. GT51M-TM includes a 12-pin transducer with mounting hardware and installation instructions. Follow the instructions carefully to avoid damaging your boat."
- Transom Mount
- Mid-Chirp
- 260/455 kHz ClearVu
- 260/455 kHz SideVu
SKU: NVN-59699
MPN: 010-01966-00
UPC: 753759152918
Technical specifications
| Brand | Garmin |
| Model | Garmin GT51M-TM Transom Mount DownVü/SideVü 500W, Traditional 600W Transducer Mid-Band CHIRP w/Temp - 12-Pin |
| SKU / MFR# | 59699 |
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