9 Best Transom-Mount Transducers (October 2026)
The best transom-mount transducers include the Lowrance 000-0106-72 Transom-Mount Skimmer Transducer with Built-in for Lowrance dual-frequency sonar, the Scotty 0141 Kayak/SUP Transducer Mounting Arm for kayak and SUP mounting, and the Garmin GT56UHD-TM Transom Mount Transducer for Garmin UHD scanning.
On this page (5 sections)
The best transom mount transducer for a compatible Lowrance fish finder is the Lowrance 000-0106-72, which combines 83/200 kHz sonar with a built-in temperature sensor. Garmin's GT56UHD-TM is the pick for compatible chartplotters that can use its SideVü, ClearVü and high-wide CHIRP sonar.
A transom installation places the sonar unit at the rear of the boat. This roundup includes complete transducers alongside brackets, pads and kayak mounting systems, so check what each item does before comparing scores.
If you need a broad starting point, our guide to the best transducer for a fish finder covers more mounting styles. For a basic explanation of the component, read what a fish finder transducer does.
Our picks at a glance
-
1
Best for Lowrance dual-frequency sonarLowrance 000-0106-72 Transom-Mount Skimmer Transducer with Built-in
9.7/10 our score
See it on Amazon -
2
Best for kayak and SUP mountingScotty 0141 Kayak/SUP Transducer Mounting Arm
9.6/10 our score
See it on Amazon -
3
Best for Garmin UHD scanningGarmin GT56UHD-TM Transom Mount Transducer
9.4/10 our score
See it on Amazon
- 4
Check itBERPSE 000-12603-001 Transom Transducer Mount Bracket
Best for StructureScan bracket replacement - 5
Check itSEAWORTHY INNOVATIONS Stern Pad
Best for screwless standard-size mounting - 6
Check itWINDFRD Fish Finder Track Mount with Transducer
Best for a combined kayak track setup - 7
Check itPlug Pads SEAWORTHY INNOVATIONS Stern Pad Jumbo White
Best for larger 3D scanning transducers - 8
Check itUningmng 740162-1 MHX MXNT Metal Bracket
Best for compatible Humminbird XNT replacements - 9
Check itLowrance Dual Frequency Transom Mount Transducer
Best for select legacy Lowrance units
How we chose these transom-mount options
The best transom-mount choice depends on compatibility, sonar function and the way you plan to attach it. We compared the stated frequencies, connector details, mounting hardware and intended use, then scored each pick for how closely it fits a stern-mounted sonar setup.
Our score weighs specs, features and buyer feedback against what you're shopping for. Some picks here are installation hardware rather than sonar transducers, so their score reflects their usefulness for mounting a compatible transducer, not sonar performance.
Before buying, identify your fish finder model and the connector it accepts. A transducer with the wrong plug or sonar compatibility may not work with your display, even if its mount fits the boat.
| Product | Best for | Sonar | Mount | Connector | Our score |
|---|---|---|---|---|---|
| Lowrance 000-0106-72 Transom-Mount Skimmer Transducer with Built-in | Lowrance dual-frequency sonar | 83/200 kHz dual frequency | Transom | 7-pin | 9.7 |
| Scotty 0141 Kayak/SUP Transducer Mounting Arm | kayak and SUP mounting | 9.6 | |||
| Garmin GT56UHD-TM Transom Mount Transducer | Garmin UHD scanning | SideVü, ClearVü and high-wide CHIRP | 12-pin | 9.4 | |
| BERPSE 000-12603-001 Transom Transducer Mount Bracket | StructureScan bracket replacement | 9.3 | |||
| SEAWORTHY INNOVATIONS Stern Pad | screwless standard-size mounting | 9.2 | |||
| WINDFRD Fish Finder Track Mount with Transducer | a combined kayak track setup | 8.8 | |||
| Plug Pads SEAWORTHY INNOVATIONS Stern Pad Jumbo White | larger 3D scanning transducers | 8.7 | |||
| Uningmng 740162-1 MHX MXNT Metal Bracket | compatible Humminbird XNT replacements | 8.2 | |||
| Lowrance Dual Frequency Transom Mount Transducer | select legacy Lowrance units | 50/200 kHz dual frequency | Transom skimmer | 8.0 |
The best transom-mount transducers and mounting options
The Lowrance 000-0106-72 is the strongest fit for compatible Lowrance displays needing dual-frequency sonar and temperature readings. The remaining picks cover high-definition scanning, kayak positioning, bracket replacement and screwless mounting.
Lowrance 000-0106-72 Transom-Mount Skimmer Transducer with Built-in: Best for Lowrance dual-frequency sonar
- 83/200 kHz dual-frequency operation
- Built-in temperature sensor
- Up to 1,000 ft range at 83 kHz
- 20 ft cable
This skimmer transducer combines dual-frequency depth and fish detection with water temperature readings. Check that your Lowrance unit accepts its 7-pin connector.
Pros
- Built-in temperature sensor
- Two operating frequencies
- 20 ft cable
Cons
- 7-pin compatibility needs checking
- Not a scanning sonar model
The Lowrance 000-0106-72 is a practical match for a compatible Lowrance fish finder when you want 83/200 kHz dual-frequency operation. Lowrance describes the 83 kHz channel as reaching up to 1,000 ft, while the built-in temperature sensor adds water temperature to the readings.
Its 7-pin connector is the key compatibility check. The transducer also comes with a 20 ft cable, which gives you room to route it through many boat layouts, but plan the cable path before fastening the unit.
This is a traditional skimmer transducer rather than an imaging-focused model. If you want an in-hull installation, compare shoot-through-hull transducers.
If your main goal is scanning structure to the sides or below the boat, choose a compatible scanning transducer instead.
Pick it when your Lowrance display supports the connector and frequencies. Check the model manual before ordering, particularly if you are replacing a transducer on an older fish finder.
Scotty 0141 Kayak/SUP Transducer Mounting Arm: Best for kayak and SUP mounting
- Telescopes from 11.5 to 18 in
- Swivels 360 degrees
- 438 gear-head track adapter included
- High-strength composite material
This adjustable arm gives kayak and SUP anglers a way to position a separate transducer. It is mounting hardware, not a complete transducer.
Pros
- Telescoping arm
- 360-degree swivel
- Track adapter included
Cons
- Transducer sold separately
- Some Scotty accessories sold separately
The Scotty 0141 is mounting hardware for kayak and SUP anglers, not a complete sonar transducer. Its telescoping arm runs from 11.5 to 18 inches and swivels 360 degrees, giving you options for positioning a separate transducer.
A 438 gear-head track adapter comes with the arm. Scotty's universal sounder mount, slide track and other accessories are sold separately, so check what your current kayak track accepts and what you still need.
This arm suits a portable setup where you want to position or remove sonar gear without treating the transducer as a permanent boat installation. It also lets you lift or reposition the assembly for transport.
Choose it if you already have a compatible Scotty track and a separate transducer. For a boat transom installation, a fixed transom bracket or transducer may be a more direct fit.
Garmin GT56UHD-TM Transom Mount Transducer: Best for Garmin UHD scanning
- SideVü, ClearVü and high-wide CHIRP sonar
- 455, 800 and 1,000 kHz scanning frequencies
- Transom and trolling motor mounts included
- 12-pin transducer
The GT56UHD-TM combines traditional CHIRP with ClearVü and SideVü scanning. Pair it with a compatible Garmin chartplotter and confirm the connector and mount fit.
Pros
- Three sonar types
- Three scanning frequencies
- Two mount options included
Cons
- Requires a compatible Garmin chartplotter
- More specialized than a basic depth transducer
Garmin's GT56UHD-TM combines SideVü, ClearVü and high-wide CHIRP traditional sonar in one transducer. See our trolling motor transducer guide for more options aimed at that mounting position.
Its three scanning frequencies are 455, 800 and 1,000 kHz, and the package includes both transom and trolling motor mounts.
This is a more specialized option than a basic depth transducer. It needs a compatible Garmin chartplotter, and its 12-pin connector should match the display you plan to use.
Garmin describes high-wide CHIRP sonar for target separation and gives a 500 ft per-side figure for 455 kHz SideVü. Use the display's compatibility information to confirm which sonar features are supported in your particular setup.
Choose it for a Garmin system that supports the GT56UHD-TM and its scanning functions. If you need only depth and temperature, a simpler compatible transducer may better match your needs.
BERPSE 000-12603-001 Transom Transducer Mount Bracket: Best for StructureScan bracket replacement
- Compatible with StructureScan 3D, HD and TotalScan transducers
- Stainless steel construction
- Can mount to a transom or jack plate
- Transducer not included
This bracket is for mounting compatible StructureScan transducers when the bracket needs replacement. Match the part and transducer before ordering.
Pros
- Named StructureScan compatibility
- Stainless steel construction
- Multiple mounting positions
Cons
- Transducer not included
- Compatibility should be confirmed for your exact model
The BERPSE 000-12603-001 is a replacement bracket for compatible StructureScan 3D, HD and TotalScan transducers. It does not include a transducer, so you need to have the matching sonar unit already.
The bracket can be mounted on a transom, jack plate or under the steps of a boat. Its stainless steel construction and galvanized surface are intended for marine mounting, but confirm the replacement part number and fit against your current hardware.
Bracket compatibility matters more than general appearance. Check the transducer model and existing mount before buying, especially if your sonar installation uses a different StructureScan generation or bracket style.
Choose this when replacing the named bracket for a compatible transducer. If you need the sonar unit as well, compare complete transducers instead.
SEAWORTHY INNOVATIONS Stern Pad: Best for screwless standard-size mounting
- Standard pad measures 4.5 x 3.5 x 0.75 in
- Screwless hull mounting
- Three cable clips and install kit included
- 18-hour cure time
This pad provides a screwless attachment point for a compatible transducer or accessory. Check its standard size against the transducer and its stated exclusion for large 3D scan models.
Pros
- No screws into the hull
- Cable clips included
- Can be bottom painted
Cons
- Not for large 3D scan transducers
- Requires an 18-hour cure time
The standard SEAWORTHY INNOVATIONS Stern Pad offers a screwless mounting point for a transducer or accessory. The pad measures 4.5 x 3.5 x 0.75 inches and comes with three cable clips and an installation kit.
The stated install time is under five minutes, followed by an 18-hour cure time. The pad can be bottom painted, and its screwless design avoids drilling into the hull for the mounting surface.
This standard size is not intended for large 3D scanning transducers. Compare the transducer base with the pad dimensions, and choose the jumbo pad if the manufacturer specifies a larger support surface.
Pick this if you want a standard-size screwless mount and your transducer is within its stated use. Plan around the cure time before putting the boat back in service.
WINDFRD Fish Finder Track Mount with Transducer: Best for a combined kayak track setup
- Fish finder plate and transducer arm
- Arm extends from 11.42 to 17.91 in
- Track base slides for repositioning
- T-bolt attachment
This system combines a fish finder mounting plate with an adjustable transducer arm for a kayak track. Check the box contents and your track type before buying.
Pros
- Screen and arm can share one setup
- Adjustable arm
- Track repositioning
Cons
- A sonar transducer is not specified as included
- Requires a compatible mounting arrangement
The WINDFRD system combines a fish finder mounting plate and adjustable transducer arm on a track mount. The arm extends from 11.42 to 17.91 inches, and the base can slide along a kayak's existing track for repositioning.
The product is a mounting system, and a sonar transducer is not specified as included. Confirm the box contents and compatibility with your fish finder, track and separate transducer before choosing it.
This can suit a kayak layout where the screen and transducer arm need to share one mounting arrangement. The arm also folds for storage, according to the product details.
Choose it for a configurable kayak track setup. If you need a transducer itself, add a compatible sonar unit to your plan rather than assuming the mount supplies one.
Plug Pads SEAWORTHY INNOVATIONS Stern Pad Jumbo White: Best for larger 3D scanning transducers
- Jumbo pad measures 6.5 x 4.75 x 1 in
- Screwless hull mounting
- Three cable clips and install kit included
- 24-hour cure time
The jumbo pad offers a larger mounting surface for large 3D scanning transducers. It is not approved for LiveScope or equivalent transducers.
Pros
- Larger pad than the standard version
- No screws into the hull
- Cable clips included
Cons
- Not approved for LiveScope or equivalent transducers
- Requires a 24-hour cure time
The Jumbo Stern Pad gives larger transducer bases a 6.5 x 4.75 x 1-inch mounting surface. It includes three cable clips and an installation kit, with a stated 24-hour cure time.
Its screwless attachment avoids drilling into the hull for the pad. The maker describes it as having twice the hold strength of the standard pad, but fit and proper installation still matter.
This model is specifically not approved for LiveScope or equivalent transducers. Check compatibility with your exact transducer before using it, even if the unit appears to fit the pad.
Choose the jumbo version when a larger 3D scanning transducer needs more mounting area. For smaller units, compare the dimensions and cure times of the standard and jumbo pads.
Uningmng 740162-1 MHX MXNT Metal Bracket: Best for compatible Humminbird XNT replacements
- Replacement bracket for XNT transom-mount transducers
- 304 stainless steel
- Pivoting angle adjustment
- Mounting hardware included
This replacement bracket is designed for the listed XNT transducer models. Verify your transducer model and existing mounting plate before choosing it.
Pros
- Stainless steel construction
- Pivoting angle adjustment
- Mounting hardware included
Cons
- Bracket only, not a transducer
- Compatibility depends on the XNT model
The Uningmng 740162-1 is a replacement bracket for listed Humminbird XNT transom-mount transducers. It uses 304 stainless steel, includes mounting hardware and has a pivoting adjustment design.
The named compatibility covers several XNT and XM models. Match your transducer's model number and mounting plate before ordering; a bracket made for one family may not fit another.
This is a bracket only, so it will not add sonar or replace a damaged transducer. Use it when the sonar unit still works and the mounting hardware is the part that needs attention.
Choose it for a compatible XNT replacement. If you are changing sonar systems, compare complete transducer options and display compatibility instead.
Lowrance Dual Frequency Transom Mount Transducer: Best for select legacy Lowrance units
- 50/200 kHz dual-frequency sonar
- Built-in temperature sensor
- 35- and 12-degree beam angles
- 20 ft cable described
This dual-frequency skimmer is intended for select Lowrance units and includes a temperature sensor. Check the model list and cable details for your exact setup.
Pros
- Two frequencies
- Temperature sensor
- Compatibility information names older Lowrance models
Cons
- Select-unit compatibility only
- Cable length descriptions differ
The Lowrance dual-frequency skimmer is an option for select older Lowrance fish finders. It supports 50/200 kHz, has a built-in temperature sensor and uses 35- and 12-degree beam angles.
Compatibility is the main limitation. The named units include several HDS, LCX, LMS and X models, so check the full model list against your fish finder before buying.
Cable details differ in the product descriptions: one section describes a 20 ft cable, while another says 25 ft. Confirm the cable length for the specific item you intend to buy if routing distance is important.
Pick this for a compatible legacy Lowrance display that needs a replacement dual-frequency transducer. For a newer unit, compare the connector and supported frequencies against the current model's manual.
What should you check before mounting a transducer?
Check fish finder compatibility, hull clearance and cable routing before you attach a transom transducer. The correct model still needs a stable position and a clear path for its cable.
First, match the transducer connector and sonar functions to your display. Confirm whether the display supports the frequencies or imaging modes you want, not just the same brand name.
Next, review the boat and mounting location. Hull shape, nearby fittings and the transducer's position can affect how well its face sits in the water; follow the fish finder maker's installation directions for placement and adjustment.
Finally, make sure you have the right item type. A complete transducer provides sonar, while a bracket, pad or mounting arm only holds a separate transducer.
Is a wide-beam transducer right for your boat?
A wide beam covers a broader area under the boat, while narrower beams focus sonar over a smaller area. The right choice depends on whether you value broader coverage or a more focused view at the depths and speeds you use.
Beam angle is only one part of sonar performance. Frequency, display support, hull installation and the way the fish finder presents returns all affect what you can interpret.
Read our guide to what a wide beam transducer is used for if you are choosing between beam patterns. Compare that explanation with the frequencies your fish finder supports.
Which transom-mount option should you choose?
Choose the Lowrance 000-0106-72 for compatible Lowrance displays needing dual-frequency sonar and temperature. Choose Garmin's GT56UHD-TM for supported Garmin systems that need SideVü and ClearVü scanning.
If you already own a transducer and need mounting hardware, choose a compatible bracket, Stern Pad or kayak arm based on your transom, track and transducer dimensions. Check compatibility and whether the transducer is included before ordering.
Our top 3 picks at a glance
-
1
Best for Lowrance dual-frequency sonar
Lowrance 000-0106-72 Transom-Mount Skimmer Transducer with Built-in
9.7/10 our score
See it on Amazon -
2
Best for kayak and SUP mounting
Scotty 0141 Kayak/SUP Transducer Mounting Arm
9.6/10 our score
See it on Amazon -
3
Best for Garmin UHD scanning
Garmin GT56UHD-TM Transom Mount Transducer
9.4/10 our score
See it on Amazon
Frequently asked questions
What is a transom-mount transducer?
A transom-mount transducer attaches to the boat's transom, the rear wall of the hull. Its sonar face sits in the water when the boat is underway or stopped, depending on the installation and hull shape.
The transducer sends sonar signals and receives their echoes for the fish finder to display.
How do I choose a transom mount transducer?
Start with the fish finder's brand, model and connector, then match the sonar functions you want. A basic dual-frequency unit can suit depth and fish detection, while a scanning transducer requires compatible sonar support on the display.
Also check the mount type, hull layout and cable routing.
Can I use a mounting bracket instead of a transducer?
No. A bracket or mounting arm holds a separate transducer in position but does not send or receive sonar.
The Scotty arm, BERPSE bracket, Stern Pads and Uningmng bracket in this roundup are mounting parts.
Confirm whether the transducer itself is included before ordering a mount.
Should I choose a transom or through-hull transducer?
A transom mount is attached outside at the rear of the hull, while a through-hull model passes through the hull. Your hull material, boat layout, sonar needs and installation preference help determine which type fits.
Compare the options in our through-hull transducer guide.
Can I use a transom transducer on a trolling motor?
Some transducers include both transom and trolling motor mounts, while others are made for a specific mounting arrangement. The Garmin GT56UHD-TM includes both mount types, but your fish finder and installation still need to be compatible.
See our trolling motor transducer guide for options focused on that setup.
