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Aquatic Mower | Motorized Underwater Lake Weed Cutter Mounts to Boat

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  • Aquatic Mower -- electric battery powered lake and pond weed cutting machine that mounts to the back of your boat. A "lawn mower" for your shoreline.
  • Aquatic Mower -- electric battery powered lake and pond weed cutting machine that mounts to the back of your boat. A "lawn mower" for your shoreline.
  • Aquatic Mower -- electric battery powered lake and pond weed cutting machine that mounts to the back of your boat. A "lawn mower" for your shoreline.
  • Aquatic Mower -- electric battery powered lake and pond weed cutting machine that mounts to the back of your boat. A "lawn mower" for your shoreline.
  • Aquatic Mower sickle teeth are self-sharpening, which means consistently sharp blades and less maintenance for the lake home owner.
  • Aquatic Mower has an adjustable cutting depth of up to 5 feet.
  • Aquatic Mower motor is oil cooled which prevents overheating and extends the longevity of the lake weed cutting machine.
  • Aquatic Mower is battery powered
$3,275.00
Frequently bought together:

Description

 
Motorized Underwater Weed Cutter

Cut Lake Weeds Directly From Your Boat

The Aquatic Mower gives you a wide, controlled cutting path through unwanted aquatic vegetation without relying only on manual shoreline tools.

This battery-powered weed cutter mounts to your boat and reaches up to 5 feet below the water. Its lightweight frame, adjustable mount, and reciprocating blade system help you maintain swimming areas, fishing lanes, boat paths, and waterfront access points.

4 ft. Cutting width
Up to 5 ft. Cutting depth
48 lbs. Product weight
12V DC Battery power
Aquatic Mower mounted to an aluminum boat
!
12-volt battery required

The battery and power source are not included with the Aquatic Mower. Purchase a compatible 12-volt battery locally before operation.

Self-sharpening sickle cutter teeth on the Aquatic Mower
Self-Sharpening Blade System

Maintain Cutting Performance With Less Blade Maintenance

The Aquatic Mower uses self-sharpening sickle-style cutter teeth. The reciprocating upper and lower blades move against each other to slice through submerged vegetation.

This design reduces the need for frequent manual sharpening and supports dependable cutting throughout the season.

  • 15 upper cutter blades
  • 16 lower cutter blades
  • 4-foot-wide cutting assembly
  • Compact pin-and-channel drive
Oil-cooled Aquatic Mower electric motor
Oil-Cooled Electric Motor

Built for Consistent Underwater Cutting

The 1/4 HP oil-cooled motor provides steady cutting power while operating from a 12-volt battery.

The sealed electric system provides a practical alternative to gas-powered equipment. Low power consumption supports longer cutting sessions without fuel storage, exhaust, or engine maintenance.

  • 1/4 HP electric motor
  • 12-volt DC operation
  • Durable steel drive shaft
  • Low-maintenance power system
Full Aquatic Mower underwater weed-cutting assembly
Wide and Adjustable Coverage

Cut Up to 5 Feet Below the Surface

Adjust the cutting position based on your boat, water depth, and vegetation. The 4-foot cutter bar helps you cover more area during each pass.

Mechanical cutting lets you choose where vegetation gets removed. Open selected swimming areas, fishing lanes, navigation paths, and shoreline access points while leaving other vegetation in place.

  • Maximum cutting depth of 5 feet
  • 4-foot cutting width
  • Upper depth-adjustment collar
  • Safety switch with fail-safe control
Optional Aquatic Mower deck mount bracket for pontoon boats
Optional Mounting Upgrade

Add the Deck Mount Bracket for Select Boats and Pontoons

The optional Deck Mount Bracket provides a secure mounting point for applications where a lower-profile installation or closer mounting position is preferred.

This mounting option works well for select boat and pontoon deck configurations. Review your boat layout before selecting the bracket.

  • Lower-profile mounting position
  • Stable connection to compatible decks
  • Designed for select boats and pontoons
  • Available as an optional product selection
Aquatic Mower Features

Built for Controlled Waterfront Maintenance

Durable materials, adjustable controls, and battery-powered operation help you manage thick aquatic vegetation from your boat.

01

12-Volt DC Power

Operates from a locally purchased 12-volt battery without gasoline.

02

1/4 HP Motor

Provides steady power for cutting common submerged aquatic weeds.

03

Lightweight Frame

The 48-pound design supports easier installation, removal, and storage.

04

Durable Construction

Aluminum and steel components include a marine powder-coated finish.

05

Adjustable Mount

Set the cutting angle and depth for different boats and water conditions.

06

Fail-Safe Control

A safety switch provides direct control over mower operation.

Practical Benefits

Make Your Waterfront Easier to Use

Target the aquatic vegetation interfering with boating, swimming, fishing, and shoreline access.

Reduce Manual Cutting

Cover a wider area from your boat than most handheld weed cutters.

Open Boat Paths

Cut navigation lanes and reduce weeds tangling around your boat motor.

Target Selected Areas

Remove vegetation from problem areas while leaving other sections intact.

Improve Fishing Access

Clear casting lanes and travel paths through dense aquatic vegetation.

Battery-Powered Operation

Operate without gas, fuel storage, engine exhaust, or pull-starting.

Manage Seasonal Growth

Repeat cutting as needed when aquatic vegetation returns during the season.

Recommended cleanup step

Collect cut vegetation with a lake rake or collection tool when practical. Removing clippings keeps floating weeds away from docks and swimming areas.

Looking for Another Aquatic Weed Cutter?

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Specifications

Review the Aquatic Mower cutting capacity, construction, power requirements, and warranty.

Item Name Aquatic Mower
Common Application Boat-mounted underwater aquatic weed cutting
Product Weight 48 lbs.
Cutting Width 4 ft.
Maximum Cutting Depth 5 ft.
Construction Heavy-duty aluminum and steel with a marine powder-coated finish
Blade Quantity 15 upper blades and 16 lower blades
Motor 1/4 HP oil-cooled electric motor
Power Type 12-volt DC battery power
Battery Included No
Standard Mount Adjustable aluminum transom mount
Optional Mount Deck Mount Bracket
Warranty 2 years

FAQs

Why Buy From Us

Lake and Pond Experts

Our team helps match your equipment to your vegetation, water depth, boat, and property.

Ongoing Product Support

Get installation guidance, operating tips, troubleshooting help, and service assistance.

18+ Years of Experience

Weeders Digest has helped waterfront owners manage weeds, muck, algae, and water nuisances for more than 18 years.

Satisfaction Focused

Contact our support team when your product or order does not meet your expectations.

Competitive Pricing

Send us a lower advertised price for the same item and our team will review the available options.

Fast Order Processing

Most in-stock weekday orders placed before 3 p.m. Central are processed for shipment the same day.

Manuals & Support

Setup Support

Aquatic Mower Assembly Video

Follow the video instructions to assemble and prepare your Aquatic Mower for installation.

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Shipping Note: Please allow 5 business days for processing and handling of this oversized item before it ships. You will receive an automated email with tracking information as soon as your order is on its way.

4 Reviews

  • 5
    Lake Mower

    Posted by Del R on 18th Jul 2019

    I bought my mower in 2005 and use every year to cut lilly pads in front of my boat house. Best investment i ever made.

  • 4
    Works like promised.

    Posted by Gary L. Black on 6th Jun 2015

    We have an area in our pond with lots of water lilies and were looking for a eco-friendly way to get rid of them. The mower worked well for cutting the lilies but it takes to people in the boat. One to run the trolling motor and one in front with the mower to keep weeds from wrapping around the arm after they're cut.

  • 5
    Performs as Advertised

    Posted by JB on 11th May 2015

    I am using the cutter for about two acres of "water shield". So far it has performed reliably and set up was fairly easy. A couple comments: it is awkward and heavy. Attached to front of Jon boat and pushed forward. In thick weeds would have one person keeping weeds from building up on cutter arm (drag issue), and if you are paddling - have at least two doing it in thick weeds.

  • 5
    purchase another

    Posted by jeff on 3rd Dec 2014

    I purchased this cutter last spring and it works really well.we might be interested in buying another after the first of this year.we are hoping it will cut down the use of chemicals

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