Garmin GT51M-TH SS TH DownVü/SideVü 500W (CHIRP 260/455 kHz) Traditional 600W (Mid-Band CHIRP 80-160) Transducer - 12-Pin
Garmin GT51M-TH SS TH DownVü/SideVü 500W (CHIRP 260/455 kHz) Traditional 600W (Mid-Band CHIRP 80-160) Transducer - 12-Pin — Product description
Perfect for the coastal and offshore fisherman who want CHIRP traditional sonar, CHIRP ClearVü and CHIRP SideVü scanning sonar with a stainless steel stem, this thru-hull 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 includes a built-in fast-response temperature sensor. For hull deadrises less than 5 degrees.
GT51M-TH includes a 12-pin transducer with stainless steel stem, fairing block, isolation plate and bushings, mounting hardware and installation instructions. Follow the instructions carefully to avoid damaging your boat
Upgrade your boating experience with the Garmin GT51M-TH, a rugged thru-hull transducer designed specifically for serious coastal and offshore anglers. This powerhouse combines high-performance CHIRP traditional sonar with advanced ClearVü and SideVü scanning capabilities, all housed in a durable stainless steel stem that stands up to harsh marine environments. Whether you're chasing trophy fish in choppy waters or mapping out underwater structures, this transducer delivers crystal-clear images and precise target separation to help you locate your next big catch.
Exceptional Sonar Performance for Demanding Conditions
Built to excel where others falter, the GT51M-TH thrives in rough seas, providing consistent, reliable sonar returns even as your boat pitches and rolls. Its thru-hull mounting ensures a stable, streamlined installation below the waterline, minimizing air bubbles and interference for sharper fish arches and detailed bottom contours. Anglers appreciate how it paints vivid pictures of bait schools, wrecks, and ledges, giving you the edge in competitive fishing scenarios.
Advanced CHIRP Technology Explained
CHIRP sonar sweeps across a wide range of frequencies, offering superior resolution and depth penetration compared to single-frequency systems. The traditional mid-band CHIRP (80-160 kHz) excels at identifying fish targets with exceptional clarity up to 1,800 feet. Meanwhile, the ClearVü (downward-facing) and SideVü (side-scanning) elements at 260/455 kHz create photo-like images of the seafloor and fish holding off to the sides, perfect for pinpointing structure without constantly repositioning your vessel.
- ClearVü: Nearly photographic down views reveal bottom details like never before.
- SideVü: Scans up to 750 feet per side, ideal for spotting fish along drop-offs or reefs.
- Integrated Temp Sensor: Real-time water temperature readings help correlate with fish behavior patterns.
Technical Specifications at a Glance
| Specification | Details |
|---|---|
| Mounting Type | Thru-Hull |
| Connector | 12-Pin |
| Power (Traditional CHIRP) | 600W (Mid-Band 80-160 kHz) |
| Power (ClearVü/SideVü) | 500W (260/455 kHz) |
| Max Depth (Traditional) | 1,800 ft |
| Max Depth (ClearVü) | 1,000 ft |
| Max Depth (SideVü) | 750 ft |
| Beamwidth (Traditional) | 24°-13° |
| Beamwidth (ClearVü/SideVü) | 2.0°x51° @ 260 kHz; 1.4°x29° @ 455 kHz |
| Supported Deadrise | 0° to 5° |
| Cable Length | 5 ft (with extension options) |
What's Included for Seamless Setup
Everything you need for a professional installation comes in the box: the 12-pin transducer with stainless steel stem, fairing block for optimal water flow, isolation plate, bushings, and all necessary mounting hardware. Pair it with compatible Garmin multifunction displays for plug-and-play operation and instant access to sonar overlays on your charts.
Installation Tips for Peak Performance
For best results, select a hull location forward of the propellers and away from strakes or thru-hulls that could disrupt water flow. The fairing block aligns the transducer beam perpendicular to the waterline, crucial for hulls with up to 5° deadrise. Use marine sealant around the thru-hull fitting to prevent leaks, and ensure the unit is fully submerged before powering on. Professional installation is recommended if you're new to thru-hull setups, as proper alignment maximizes scanning range and image quality.
Maintenance for Long-Lasting Reliability
Keep your GT51M-TH performing like new by regularly inspecting the face for marine growth—clean gently with a soft brush and mild soap. During haul-outs, store it dry and protected. This transducer's robust construction, backed by Garmin's reputation for marine durability, ensures years of trouble-free service in saltwater or freshwater.
Frequently Asked Questions
What makes the Garmin GT51M-TH ideal for offshore fishing?
Its rugged stainless steel stem and optimization for rough conditions ensure reliable performance in choppy waters, while the powerful CHIRP arrays provide deep penetration and wide coverage for spotting fish and structure far offshore.
Is this transducer compatible with all Garmin chartplotters?
It connects via 12-pin interface to Garmin units supporting CHIRP traditional, ClearVü, and SideVü sonar, such as many GPSMAP and echoMAP series. Check your model's specs for frequency and power compatibility.
How does ClearVü differ from traditional sonar?
ClearVü uses downward CHIRP beams for high-resolution, photo-like images of the bottom directly beneath your boat, revealing subtle details like individual fish and bottom composition that traditional sonar might miss.
What's the advantage of a thru-hull mount over transom?
Thru-hull designs sit flush below the hull for cleaner water flow, reducing aeration and noise, which results in sharper sonar images at higher boat speeds—essential for trolling or offshore runs.
Does it work on boats with hull deadrise greater than 5 degrees?
It's optimized for 0-5° deadrise. For steeper hulls, consider adjustable fairings or alternative models to maintain beam perpendicularity to the water surface.
How far can SideVü scan to each side?
Up to approximately 750 feet per side, depending on water conditions, allowing you to survey vast areas without maneuvering your boat.
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 100196610 Attributes
- Mounting Location: Thru-Hull 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 5 Degree Deadrise
- Cable Length: 5 Feet
Garmin 100196610 Features & Benefits
- Perfect For Coastal And Offshore Fishermen Who Want CHIRP Traditional Sonar And CHIRP ClearVu And CHIRP SideVu Scanning Sonar With A Stainless Steel Stem
- Thru-Hull Mounted Transducers 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 Stainless Steel Stem, Fairing Block, Isolation Plate And Bushings, Mounting Hardware And Installation Instructions
- Limited 2 Year Warranty
Garmin 100196610 Installation Instructions
Garmin 100196610 Warranties
GT51M-TH - Stainless Steel Thru-Hull DownVü/SideVü 500 W (CHIRP 260/455 kHz) Traditional 600 W (Mid-band CHIRP 80-160 kHz) Transducer with Temp (12-Pin)
Perfect for the coastal and offshore fisherman who want CHIRP traditional sonar, CHIRP ClearVü and CHIRP SideVü scanning sonar with a stainless steel stem, this thru-hull 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 includes a built-in fast-response temperature sensor. For hull deadrises less than 5 degrees.
GT51M-TH includes a 12-pin transducer with stainless steel stem, fairing block, isolation plate and bushings, mounting hardware and installation instructions. Follow the instructions carefully to avoid damaging your boat.
The CHIRP DownVu / SideVu element has a rated power of 500 W per element (total 1,500 W), and an operating frequency of 260/455 kHz. The traditional CHIRP sonar is powerful...
- Thru-Hull
- Mid-Chirp
- 260/455 kHz ClearVu
- 260/455 kHz SideVu
SKU: NVN-59950
MPN: 010-01966-10
UPC: 753759152925
Technical specifications
| Brand | Garmin |
| Model | Garmin GT51M-TH SS TH DownVü/SideVü 500W (CHIRP 260/455 kHz) Traditional 600W (Mid-Band CHIRP 80-160) Transducer - 12-Pin |
| SKU / MFR# | 59950 |
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