What Size Trolling Motor Do I Need? Thrust, Voltage and Shaft Length
What size trolling motor do you need? Match thrust to boat weight, pick 12V, 24V or 36V, choose shaft length, and see picks from Minn Kota, Garmin and Lowrance.
Choose the fish finder, trolling motor or kayak that puts you on more fish.
Straight answers, side-by-side specs and the trade-offs that matter, so you can buy once and buy right.
Newest guides
Pedal vs Motorized Fishing Kayak: Which Should You Buy?
Pedal vs motorized fishing kayaks compared, from the Old Town BigWater PDL 132 to the Sportsman AutoPilot 136: range, cost, weight, rules and which suits you.
Garmin LiveScope vs Humminbird MEGA Live: Which Should You Buy?
Garmin LiveScope Plus vs Humminbird MEGA Live 2: how image quality, hardware, display support and trolling-motor integration differ, and which suits your boat.
Best Kayak Fish Finders (2026)
The best kayak fish finders of 2026, from the Humminbird HELIX 8 and XPLORE 9 to Garmin ECHOMAP UHD2 and Lowrance Elite FS 9 with ActiveTarget live sonar.
Best Ice Fishing Electronics and Flashers (2026)
The best ice fishing electronics of 2026: Garmin LiveScope Plus ice bundles, Humminbird ICE XPLORE MEGA Live 2 kits, and classic Vexilar and MarCum flashers.
Fish Finders & Sonar
All 4 guides
Trolling Motors
All 3 guides
Kayak Fishing
All 3 guides
How we pick
We compare manufacturer specs, owner reviews and published reviews from established outlets, then write the answer first. We say when a number is a manufacturer rating, and we never claim to have tested something we haven’t.
Read about our research