Humminbird AD XTM 9 Trolling Motor Adapter f/XNT Transducers
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Humminbird AD XTM 9 Trolling Motor Adapter f/XNT Transducers Product Description
Upgrade your fishing setup with the Humminbird AD XTM 9 Trolling Motor Adapter, a game-changer for anglers who demand precision and reliability on the water. This silver adapter transforms standard transom-mount XNT transducers into a seamless trolling motor mount, positioning your sonar exactly where you need it—right at the bow for optimal forward-facing coverage. Whether you're chasing bass in shallow coves or tracking walleye in deeper waters, this mount keeps your electronics stable and clear of boat clutter, enhancing your ability to spot structure, fish, and bait with unmatched clarity.
Why Anglers Rely on the AD XTM 9 Adapter
Built to withstand the relentless pounding of waves, spray, and rough handling, this adapter embodies Humminbird's commitment to rugged marine gear. It eliminates the hassle of dangling cables and awkward positioning, giving you a cleaner deck and better performance. Key advantages include:
- Effortless Transducer Relocation: Easily shift your XNT series transducers from the transom to the trolling motor, ideal for bow-mounted fish finders.
- Superior Sonar Positioning: Forward placement improves downrigger and live scope readings, helping you pinpoint fish-holding spots faster.
- Durable Construction: Crafted in the USA with corrosion-resistant materials that stand up to saltwater, freshwater, and everything in between.
- Universal Fit for XNT 9 Series: Perfect match for popular models like XNT 9 20 T, XNT 9 DI T, and more, ensuring plug-and-play simplicity.
- Peace of Mind: Backed by a solid warranty, so you can focus on fishing, not fixes.
Anglers report fewer false readings and quicker target acquisition, turning average outings into trophy hunts. It's not just hardware—it's a strategic edge.
Extensive Compatibility for Your Humminbird Setup
This adapter pairs flawlessly with a wide array of XNT 9 transducers, including XM 9 MDI T, XNT 9 20, XNT 9 20 T, XNT 9 DB 74 T, XNT 9 DI T, XNT 9 HW DI T, and HW MDI 75 T. It also supports mounting on trolling motors for dozens of Humminbird units across classic and modern lines.
Compatible with legacy favorites like the 300-series (323, 325, 343C), 500-series (515 through 597ci HD DI), 700/800-series (717 to 798ci HD SI), and 900-series (917C, 957c). Matrix models from 10 to 97, plus the entire PiranhaMax family (1 through 240), all work seamlessly. Whether you're running a compact PiranhaMax for kayak fishing or a feature-packed 859c for tournament bass boats, this adapter integrates without compromise.
Pro Tip: Double-check your transducer model against the full list to ensure a perfect fit—most XNT 9 transom-mounts are covered.
Simple Installation for Quick Setup
Getting your transducer trolling-motor ready takes minutes with basic tools. Start by securing the adapter bracket to your motor's shaft using the included hardware—typically two bolts and a clamp for rock-solid hold. Align the transducer's mounting holes, thread in the screws, and route the cable neatly along the shaft with zip ties. Adjust the angle for optimal water flow over the face, avoiding cavitation zones near props.
- Remove transducer from transom.
- Attach adapter base to trolling motor (universal fit for most Minn Kota and similar models).
- Mount transducer to adapter arm.
- Secure cable and test in water.
No drilling required on most setups, and it's reversible for multi-boat use. For best results, apply marine sealant to threads in saltwater environments.
Long-Lasting Performance with Easy Care
To maximize lifespan, rinse the adapter with fresh water after every trip, especially in brackish areas. Inspect bolts for tightness before launches and lubricate with silicone grease annually. This simple routine prevents corrosion and ensures consistent sonar data. Pair it with Humminbird's high-definition transducers for side imaging, down imaging, or 2D sonar that reveals hidden gems others miss.
Frequently Asked Questions
What transducers work with the Humminbird AD XTM 9 adapter?
It's designed for XNT 9 series transom-mount transducers like XNT 9 20 T, XNT 9 DI T, XNT 9 HW DI T, and more. Check the full compatibility list for your model.
Is this adapter suitable for saltwater fishing?
Yes, its rugged build handles harsh marine conditions, including saltwater, but regular rinsing extends its life.
Does it fit Minn Kota trolling motors?
It offers a universal clamp fit for most popular trolling motors, including Minn Kota models—verify shaft diameter for best results.
How does mounting on a trolling motor improve my fish finder?
Bow mounting provides forward-facing sonar views, reduces interference, and keeps the deck clear for casting and fighting fish.
What's included in the AD XTM 9 kit?
All necessary mounting hardware: bracket, clamps, bolts, and screws for a complete transducer-to-trolling-motor conversion.
Can I use this with older Humminbird units?
Absolutely—compatible with classics like Matrix, PiranhaMax, and 500/700-series for reliable performance on legacy gear.
Equip your rig with the AD XTM 9 and experience sonar like never before—clearer reads, fewer snags, and more fish in the livewell. Trusted by pros and weekend warriors alike, it's the mount that delivers.
"Switched my XNT 9 DI T to the trolling motor—game over for blind casting. Crystal-clear images every time." – Satisfied Angler
Humminbird has built its reputation by designing and manufacturing top quality, thoroughly reliable marine equipment. Your Humminbird is designed for trouble-free use in even the harshest marine environment. We encourage you to read this manual carefully in order to get the full benefit from all the features and applications of your Humminbird product.
Humminbird 7400871 Attributes
- Compatibility: XM 9 MDI T, XNT 9 20, XNT 9 20 T, XNT 9 DB 74 T, XNT 9 DI T, XNT 9 HW DI T, HW MDI 75 T Transducer
- Color: Silver
Humminbird 7400871 Features & Benefits
- Trolling Motor Adapter Mount For XNT, Transom-Mount Transducers For Use On The Trolling Motor
- Designing And Manufacturing Top Quality, Thoroughly Reliable Marine Equipment
- Designed For Trouble-Free Use In Even The Harshest Marine Environment
- Made In USA
- Limited 1 Year Warranty
Humminbird 7400871 Warranties
AD XTM 9
Transducer Mounting Hardware
This hardware kit adapts to our standard transom mount transducers in the list below for use on the trolling motor.
For use with:
- XNT 9 20 T
XNT 9 QB 90 T
XNT 9 SI 180 T
XNT 9 QB 90
XNT 9 20
XNT 9 DI T
1157c
1158c
1158c DI
141C
161
323
325
343C
345c
345c DI
363
365i
383C
385ci
385ci DI
515
525
535
550
560
561
565
570
570 DI
575
580
581i
585C
586C
586c HD
587CI
587ci HD
595C
596C
596c HD
596c HD DI
597CI
597ci HD
597ci HD DI
717
718
727
728
737
747c
767
768
777c2
778C
778c HD
787c2
787c2I
788C
788ci
788ci HD
788ci HD DI
798c SI
798ci SI
798ci HD SI
858c
858c DI
917C
957
958c
958c DI
981C SI
HDR 610
MATRIX 10
MATRIX 12
MATRIX 15
MATRIX 17
MATRIX 20
MATRIX 25
MATRIX 27
MATRIX 35
MATRIX 37
MATRIX 55
MATRIX 65
MATRIX 67
MATRIX 77C
MATRIX 87C
MATRIX 97
PIRANHA 1
PIRANHA 2
PIRANHA 3
PIRANHA 4
PIRANHA 5
PiranhaMax 10
PiranhaMax 15
PiranhaMax 150
PiranhaMax 160
PiranhaMax 170
PiranhaMax 180
PiranhaMax 190C
PiranhaMax 20
PiranhaMax 210
PiranhaMax 215
PiranhaMax 220
PiranhaMax 230
PiranhaMax 240
PiranhaMax 30
WARNING: This product can expose you to chemicals including LEAD which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.
Install the sensor with the matching Humminbird sensor installation kit. Multiple models are paired with a series of Humminbird fish finder series. Now you can fish with confidence...
Humminbird AD XTM 9 Trolling Motor Adapter f/XNT Transducers Related Products
Humminbird XNT-9-20-T TM Transducer - 83/200 kHzHumminbird XNT-9-SI-180-T TM Transducer
Humminbird XNT 9 DI T TM Transducer
Frequently Asked Questions (FAQ) About Humminbird AD XTM 9 Trolling Motor Adapter f/XNT Transducers
Who is the Humminbird?How to describe Humminbird AD XTM 9 Trolling Motor Adapter f/XNT Transducers?
What is the type of the product?
What is the weight of the product?
What's the color of Humminbird AD XTM 9 Trolling Motor Adapter f/XNT Transducers?
What is the compatibility of this product?
Who is the Humminbird?
How to describe Humminbird AD XTM 9 Trolling Motor Adapter f/XNT Transducers?
What is the type of the product?
What is the weight of the product?
What's the color of Humminbird AD XTM 9 Trolling Motor Adapter f/XNT Transducers?
What is the compatibility of this product?
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Humminbird AD XTM 9 Trolling Motor Adapter f/XNT Transducers Technical Specifications
| Type: | |
|---|---|
| Vendor: |
Humminbird |
| Weight: |
0.5 lb |
| Type: |
Adapters |
| Product Manual: | |
| Product Installation: |
Humminbird AD XTM 9 Trolling Motor Adapter f/XNT Transducers User Reviews
Humminbird AD XTM 9 Trolling Motor Adapter f/XNT Transducers Shipping & Return
| Shipping Weight: |
0.5 lb |
|---|---|
| Box Sizes: |
2.00 (h) x 7.00 (w) x 9.00 (l) |
| Cubic Feet: |
126.0 |
| Returnable: |
Yes |
| USPS First Class: |
Yes |
| P65: |
Yes |
For detailed shipping policy please check our Shipping Policy and you can find our Return and Refund Policy here.



