10 Best Trolling Motor Transducers With Side Imaging for Clearer Coverage in 2026

If you want better sonar while you fish, the right transducer matters as much as the display. Trolling motor transducers with side imaging can sharpen structure detail, improve target separation, and make shallow-water scanning much more productive.

Below, we focus on the best options for different setups, from simple trolling-motor mounts to more advanced Humminbird and Lowrance systems. The goal is to help you match the transducer to your motor, fishfinder, and fishing style.

Best 10 Trolling Motor Transducers with Side Imaging Picks for 2026

Humminbird-compatible transducer pick – Humminbird XTM 9 20 MSI T

If you’re upgrading trolling motor transducers with side imaging on a Humminbird-compatible setup, this XTM 9 20 MSI T is built to keep the sonar package streamlined. It mounts on the trolling motor and supports MEGA Side Imaging plus MEGA Down Imaging, with 200/83/455/800 kHz coverage for detailed structure scanning.

Best For: Humminbird anglers using Solix or Onix displays who want a trolling-motor-mounted side imaging transducer.

Pros:

• Built for trolling motor mounting, which keeps the install organized.
• Supports MEGA Side Imaging and MEGA Down Imaging for detailed underwater viewing.
• Includes a 14-pin plug for Solix/Onix series compatibility.
• Covers 200/83/455/800 kHz frequencies.

Cons:

• Designed for Humminbird systems, so it is not a universal fit.
• Transducer-only setup means you need compatible electronics already.

This is a strong choice if you want a dedicated motor-mounted transducer and already run compatible Humminbird electronics. Its biggest advantage is the integrated side and down imaging support in a clean trolling-motor package.

All-in-one sonar bundle – Lowrance Elite FS 9

For anglers shopping trolling motor transducers with side imaging, the Elite FS is a practical fishfinder/chartplotter bundle because it includes an Active Imaging 3-in-1 transducer. That gives you CHIRP, SideScan, and DownScan with FishReveal, plus the display is live-sonar compatible if you expand later.

Best For: Boat owners who want a touchscreen sonar/chartplotter with a bundled side-scan transducer and future live-sonar compatibility.

Pros:

• Includes Active Imaging 3-in-1 transducer with CHIRP, SideScan, and DownScan.
• FishReveal helps blend CHIRP and DownScan for easier target ID.
• Live sonar compatible with ActiveTarget 2 XL.
• Connected boat control integrates with trolling motors and other marine electronics.

Cons:

• It is a full display package, not just a transducer.
• Feature set may be more than needed if you only want a basic sonar upgrade.

This is a well-rounded option if you’re building a modern fishing electronics setup and want side imaging in the box. The bundled transducer and touchscreen display make it easier to get on the water quickly.

Integrated motor-and-sonar upgrade – Minn Kota Terrova QUEST MSI

If you want trolling motor transducers with side imaging built into the motor itself, the Terrova QUEST stands out because the MEGA Side Imaging transducer is integrated directly into the unit. That means you get crystal-clear side viewing up to 200 feet on either side without adding a separate transducer mount.

Best For: Freshwater anglers who want a bow-mount trolling motor with built-in MEGA Side Imaging and advanced GPS control.

Pros:

• Built-in MEGA Side Imaging with up to 200 feet of coverage on each side.
• Integrated transducer keeps the setup streamlined.
• Advanced GPS features include Spot-Lock, Jog, drift mode, follow mode, and dodge mode.
• Brushless QUEST design and Digital Maximizer aim to improve durability and runtime.

Cons:

• It is a complete trolling motor, not a standalone transducer.
• Freshwater-focused, so it is not the right pick for every boat use case.

This is the best fit if you want sonar and propulsion combined into one bow-mounted package. The integrated side imaging and GPS tools make it especially appealing for anglers who want a cleaner, more advanced setup.

Compatibility-focused transducer upgrade – Lowrance Active Imaging 3-in-1

For buyers focused on trolling motor transducers with side imaging, this Active Imaging 3-in-1 transducer is a straightforward upgrade path for compatible Lowrance and Simrad systems. It delivers CHIRP, SideScan, and DownScan with FishReveal, plus refined imaging designed to help you identify structure and fish-holding cover.

Best For: Lowrance and Simrad users who want a transducer-only side imaging upgrade for compatible displays.

Pros:

• Active Imaging adds CHIRP, SideScan, and DownScan in one transducer.
• FishReveal helps separate fish from structure on DownScan images.
• Compatible with Lowrance HDS LIVE, Elite FS, and Simrad NSS evo3s/GO series.
• Supports 83/200 kHz plus 455/800 kHz frequencies.

Cons:

• Requires a compatible display; it is not a standalone sonar unit.
• Mounting options listed are transom, flush step, and jackplate, not a dedicated trolling-motor mount.

This transducer makes sense if you already have a compatible chartplotter and just want better side imaging performance. It is more of a targeted sonar refresh than a full electronics package.

Integrated Sonar Bow-Mount – Minn Kota Terrova 80 lb GPS Bow-Mount

If you want trolling motor transducers with side imaging-style clarity in a bow-mount package, the Minn Kota Terrova focuses on clean sonar integration and precise boat control. It pairs built-in MEGA Down Imaging with GPS features like Spot-Lock, Jog, drift mode, follow mode, and dodge mode, so you can stay on position while fishing structure and cover.

Best For: Anglers who want an 80 lb. bow-mount trolling motor with built-in sonar, Spot-Lock, and strong position control.

Pros:

• Built-in MEGA Down Imaging is integrated directly into the motor for a streamlined setup.
• Advanced GPS trolling system includes Spot-Lock, Jog, drift mode, follow mode, and dodge mode.
• Weedless Wedge 2 prop is designed to power through vegetation without battery-draining chopping.
• Digital Maximizer helps extend run time up to 5x longer on a single charge.

Cons:

• Uses Down Imaging rather than a dedicated side imaging transducer.
• Bow-mount setup and 60-inch shaft may not fit every boat layout.
• Designed for freshwater use in the title, while the details also note salt water recommendation.

This is a strong choice if you care more about integrated sonar and stable boat handling than a separate add-on transducer. It is especially appealing for anglers who want a one-system approach with built-in imaging and motor controls.

Motor-Mounted Side Imaging – Humminbird XTM 9 SI 180 T Transducer

For trolling motor transducers with side imaging, this Humminbird motor-mounted option is built specifically to attach to a trolling motor and provide Dual/Compact Side Imaging coverage. It supports 20/60/70-degree operation and 83/200/455/800 kHz frequencies, making it a straightforward pick when you want side imaging from the motor rather than the hull.

Best For: Anglers who need a trolling motor-mounted side imaging transducer for Humminbird setups.

Pros:

• Dual/Compact Side Imaging support is built into the transducer.
• Mounts to a trolling motor and includes a hose clamp for attachment.
• Supports multiple frequencies: 83/200/455/800 kHz.
• Includes temperature sensing.

Cons:

• It is a transducer only, so it does not include a trolling motor or display.
• Compatibility is most relevant to Humminbird systems.
• Limited to a 1-year warranty.

This is the most direct fit in the group if your priority is a dedicated motor-mounted side imaging transducer. It is a practical add-on for anglers who already run a compatible Humminbird setup and want imaging tied to their trolling motor.

360 Imaging with SI Mode – Humminbird MEGA 360 for Ultrex

If you are shopping trolling motor transducers with side imaging and want more than a traditional side-view feed, this Humminbird MEGA 360 package adds a 360-degree perspective with an option to run in Side Imaging mode. Because it is independently mounted on compatible Ultrex and Ultrex QUEST trolling motors, your sonar picture stays unchanged as the trolling motor turns or while using Spot-Lock.

Best For: Anglers with compatible Ultrex systems who want 360 imaging plus a Side Imaging mode option.

Pros:

• Can operate in two modes: MEGA 360 Imaging or Side Imaging.
• Independently mounted, so the sonar picture remains unchanged as the motor turns.
• Compatible with a wide range of HELIX, APEX, and SOLIX models.
• Includes mounting bracket, transducer cables, and power cable.

Cons:

• Requires a compatible Minn Kota Ultrex or Ultrex QUEST motor, sold separately.
• Only fits specific Humminbird model families listed in the notes.
• More specialized than a basic side imaging transducer.

This is the most advanced option here for anglers who want a broad view around the boat and the flexibility to switch into Side Imaging mode. It is best suited to users already invested in compatible Humminbird and Ultrex gear.

Transom-Mount Precision – Helix 7 SI/DI CHIRP Transducer

If you’re comparing trolling motor transducers with side imaging, this transom-mount option is built for Humminbird HELIX 7 users who want CHIRP Side Imaging, CHIRP Down Imaging, and Dual Spectrum CHIRP 2D sonar in one package. It’s aimed at clean structure and fish returns with 455 kHz side and down imaging plus a 150–220 kHz CHIRP range for 2D sonar.

Best For: HELIX 7 owners who want a transom-mount side imaging transducer with built-in temperature and simple installation.

Pros:

• CHIRP Side Imaging and CHIRP Down Imaging for viewing structure to the sides and below the boat
• Dual Spectrum CHIRP sonar with a 150–220 kHz range
• Includes built-in temperature sensor, mounting hardware, and a 20-foot cable
• Designed for HELIX 7 CHIRP SI GPS G4 models

Cons:

• Not compatible with MEGA Side Imaging models
• Transom mount design may not fit buyers specifically seeking a trolling motor mount

This is a focused fit-for-purpose transducer rather than a universal upgrade. If your HELIX 7 compatibility lines up, it offers the imaging modes and included hardware needed for a straightforward install.

MEGA Imaging Coverage – XPLORE/APEX/SOLIX SI Transducer

For buyers comparing trolling motor transducers with side imaging, this Humminbird transom transducer is the MEGA Imaging pick for compatible XPLORE, APEX, SOLIX, and some ONIX SI models. It delivers MEGA Side Imaging, MEGA Down Imaging, and DualBeam PLUS sonar, with side coverage reaching 125 feet out from each side of the boat.

Best For: Humminbird users who want MEGA Side/Down Imaging on compatible higher-end displays.

Pros:

• MEGA Side Imaging and MEGA Down Imaging for detailed returns
• Up to 125 feet of side coverage on each side of the boat
• DualBeam PLUS sonar adds broad coverage and detail
• Includes built-in temperature sensor and 20-foot cable

Cons:

• Compatibility is limited to specific XPLORE, APEX, SOLIX, and ONIX models
• ONIX SI series only supports 455/800 kHz frequencies
• Transom-mount design is not a trolling motor mount

This is a strong imaging-focused transducer for the right Humminbird platform. If your unit is supported, it delivers the kind of side and down detail anglers look for when scanning structure and fish.

Trolling-Motor Ready – HELIX MEGA MSI+ Mount Transducer

If you want trolling motor transducers with side imaging, this Humminbird model is the most directly relevant option in the set because it is built specifically for trolling motor mounting. It combines MEGA Side/Down Imaging+ with Dual Spectrum CHIRP sonar, and it’s designed for solid readings at speed with minimal turbulence.

Best For: Anglers who need a trolling-motor-mounted transducer for compatible Humminbird HELIX, SOLIX, XPLORE, or APEX units.

Pros:

• Trolling motor mount design for stable readings at speed
• MEGA Side/Down Imaging+ plus Dual Spectrum CHIRP sonar
• Marine-grade housing built for rugged use
• Includes built-in temperature sensor on select models and a 15-foot cable

Cons:

• Compatibility depends on the exact model string
• Some buyers may prefer a longer cable than the included 15 feet
• Temperature sensor is only on select models

For trolling motor mounting, this is the best fit here because it’s purpose-built for that setup. If your Humminbird unit is compatible, it gives you strong imaging and a practical installation path for on-the-water use.

How We Picked the Best Trolling Motor Transducers with Side Imaging

We looked for Trolling Motor Transducers with Side Imaging that offer strong brand compatibility, practical mounting options, and reliable imaging performance. We also favored models that pair cleanly with common fishfinder ecosystems from Humminbird and Lowrance, since compatibility is often the biggest deciding factor.

We prioritized choices that suit real-world use: easy integration on a trolling motor, solid side-imaging coverage, and a feature set that makes sense for freshwater anglers who want better structure scans without overbuying.

Quick Comparison

Some options are dedicated transducers only, while others are bundled into trolling motors or fishfinders. That means your best pick depends on whether you need a standalone replacement, a full sonar upgrade, or a new trolling-motor platform with imaging built in. If you already own a compatible display, a transducer-only model may be the most cost-effective choice.

Key Buying Factors for Trolling Motor Transducers with Side Imaging

Compatibility

Make sure the transducer matches your fishfinder brand and model series. Side-imaging systems are not universally interchangeable, and the wrong connector or sonar protocol can make a great transducer unusable.

Mounting Style

Trolling-motor mounting is ideal for imaging while you move slowly and follow contours. Check whether the unit is designed for a motor mount, transom mount, or integrated installation, and confirm it will fit your shaft and motor head without interference.

Imaging Type

Side imaging is the main draw, but many anglers also want down imaging, CHIRP 2D sonar, or 360-style coverage. Side imaging helps you search left and right of the boat, while down imaging and CHIRP can improve target detail directly below.

Water Type and Use Case

In shallow water, stumps, grass lines, and hard-bottom transitions are where these transducers shine. If you fish deep reservoirs more often, look for strong imaging clarity and broader sonar support so you can stay confident across a wider range of depths.

Who Should Buy Which Trolling Motor Transducers with Side Imaging?

If you want the simplest upgrade, choose a transducer that matches your existing fishfinder and motor setup. If you are building a new rig, a bundled trolling motor or chartplotter system may offer better long-term value. Serious anglers who rely on detailed structure scans should look for models with MEGA or comparable high-resolution imaging, while budget-conscious buyers can still get excellent results by focusing first on compatibility and mount fit.

In short, the best Trolling Motor Transducers with Side Imaging are the ones that work seamlessly with your electronics, mount securely, and deliver the level of detail your fishing style demands.