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Kasco 5.1 Replacement Motor 5 HP

$4,203.00
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Whether you're replacing a worn motor or repairing a damaged unit, the Kasco 5.1 replacement motor provides a direct-fit solution that helps extend the life of your Kasco aeration or fountain system.

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"Your Pond Pros helped us through the entire process of picking the correct fountain and walking us through setting up. Cannot be more pleased everytime we look out at our pond."

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FREE 30 DAY RETURNS

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100% Made in the USA

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Free Shipping to Lower 48 states

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FREE 30 DAY RETURNS

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4.9 out of 284+ reviews

Get Your First Kasco 5.1 Replacement Motor 5 HP with us in 3 Simple Steps

01

Select Your Motor

Motors available for Kasco aerators, circulators and fountains

02

Replace Your Old Motor With The New Kasco Motor

Simple installation to get your Kasco unit back up and running

03

Relax And Enjoy

Rest assured your new Kasco motor replacement will keep operating for years

Kasco 5.1 Replacement Motor – 5 HP (For Kasco Fountains & Surface Aerators)

Built to the same specifications as the original Kasco equipment, the 5.1 motor provides reliable operation for large ponds, lakes, and commercial water features. With its oil-cooled, continuous-duty design and corrosion-resistant construction, this replacement motor is engineered to perform in demanding aquatic environments while delivering strong circulation and aeration.

Low Maintenance Design

Durable components and corrosion-resistant construction help ensure reliable long-term operation

Powerful 5 HP Motor Performance

Provides strong water movement and aeration for large ponds, lakes, and commercial water features

Thermal Overload Protection

Internal safeguards help prevent overheating during operation

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Kasco 5.1 Series 5 HP Replacement Motor Technical Specifications


Replacement Motor for Surface Aerator 5 HP (5.1AF) Replacement Motor for VFX Aerating Fountain 5 HP (5.1VFX) Replacement Motor for J Series Fountain 5 HP (5.1JF)
Motor Model 5.1A 5.1VX 5.1J
Application Replacement Motor for Surface Aerator 5 HP (5.1AF) Replacement Motor for VFX Aerating Fountain 5 HP (5.1VFX) Replacement Motor for J Series Fountain 5 HP (5.1JF)
Horsepower 5 HP 5 HP 5 HP
Voltage / Phase / Hz 208-240V / 1 Phase / 60 Hz 208-240V / 1 Phase / 60 Hz 208-240V / 1 Phase / 60 Hz
Running Amps 18 Amps 20 Amps 20 Amps
Locked Rotor Amps 97 Amps 88 Amps 88 Amps
Package Includes Pre-assembled propeller with all necessary components securely attached to the motor and a protective wire cage. Quick disconnect with stub cord. Pre-assembled propeller with all necessary components securely attached to the motor. Quick disconnect with stub cord. Pre-assembled propeller and all necessary components attached to the motor, along with five fountain nozzles. Quick disconnect with stub cord.
Power Cord Lengths Available 100', 150', 200', 250', 300', 400' 100', 150', 200', 250', 300', 400' 100', 150', 200', 250', 300', 400'
Warranty 3-Year 3-Year 5-Year

NOTE: These products are subject to a 10% restocking fee if returned, made mandatory by the manufacturer.

4.9 out of 284+ reviews

Why Choose Kasco 5.1 Replacement Motor 5 HP ?

Available Replacement Motor Configurations

5.1A – Surface Aerator Replacement Motor

  • Replacement motor for Kasco 5.1AF 5 HP Surface Aerator
  • Includes aerator propeller and protective cage

5.1VX – VFX Aerating Fountain Replacement Motor

  • Replacement motor for Kasco 5.1VFX Aerating Fountain
  • Includes VFX propeller and attached components

5.1J – Decorative Fountain Replacement Motor

  • Replacement motor for Kasco 5.1JF J Series Fountain
  • Includes fountain propeller and fountain nozzle set

Each motor is designed specifically for its system type while maintaining the same reliable 5 HP performance.

5.1A - 5 HP Replacement Motor for Surface Aerator Details

5.1A (Motor Only)

  • Replacement motor for 5.1AF (5 HP Surface Aerator)
  • 5 HP, 208-240V, single phase
  • 1750 RPM
  • Oil cooled, continuous duty rated
  • 17mm top and 20mm bottom bearings
  • Thermal overload protection

5.1VX - 5 HP Replacement Motor for VFX Aerating Fountain Details

5.1VX (Motor Only)

  • Replacement motor for 5.1VFX (5 HP VFX Aerating Fountain)
  • 5 HP, 208-240V, single phase
  • 1750 RPM
  • Oil cooled, continuous duty rated
  • 17mm top and 20mm bottom bearings
  • Thermal overload protection

5.1J - 5 HP Replacement Motor for J Series Fountain Details

5.1J (Motor Only)

  • Replacement motor for 5.1JF (5 HP J Series Fountain)
  • 5 HP, 208-240V, single phase
  • 1750 RPM
  • Oil cooled, continuous duty rated
  • 17mm top and 20mm bottom bearings
  • Thermal overload protection

Kasco Marine Is Second To None In Quality Control

  • Rigorous Performance Testing – Every motor and aeration unit undergoes thorough run testing before it leaves the facility to ensure reliable operation and consistent output.
  • Precision Engineering Standards – Components are built to exact specifications, ensuring tight tolerances, balanced rotation, and long-term durability in demanding water environments.
  • Heavy-Duty Material Selection – Kasco uses corrosion-resistant stainless steel and premium-grade materials designed to withstand continuous exposure to water and harsh outdoor conditions.
  • Hand-Assembled and Inspected – Each unit is carefully assembled and inspected by trained technicians to maintain strict quality standards.
  • Leak & Seal Integrity Testing – Motors are pressure-tested and sealed to prevent water intrusion, protecting internal components and extending lifespan.
  • Made in the USA Manufacturing Oversight – Kasco Marine products are manufactured and tested in the United States, allowing for tighter quality control and consistent production standards.
4.9 out of 286+ reviews

Why Choose Your Pond Pros?

Thousands of customers have put their trust in Your Pond Pros. From HOA's, Golf Courses, Business Parks and homeowner, to Major League Baseball. Your Pond Pros will make sure you're taken care of

Outstanding Customer Service

Durable components and corrosion-resistant construction help ensure reliable long-term operation

Everything You Need

From Aerators and Fountains to Koi Ponds and Algeacides, Your Pond Pros has everything you need

Selected By MLB

Your Pond Pros was proud to be a part of the 2024 MLB All Star Game Fan Village, intsalling five fountains and the worlds largest inflateable baseball

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100% Made in the USA

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FREE 30 DAY RETURNS

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100% Made in the USA

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Free Shipping to Lower 48 states

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FREE 30 DAY RETURNS

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Kasco 5.1 Replacement Motor 5 HP Reviews

Frequently Asked Questions

Need more information? You can find it here.

The Kasco 5.1 replacement motor (5 HP) is designed to replace the motor in compatible Kasco fountains, surface aerators, and aerating fountain systems. Installing a replacement motor restores the performance of your system without needing to replace the entire unit.

The 5.1 replacement motor is commonly used with Kasco 5 HP systems, including the 5.1AF surface aerator, 5.1VFX aerating fountain, and 5.1JF decorative fountain models.

This motor operates on 208–240V single-phase power, which is standard for many commercial-grade pond fountains and aeration systems.

Some pond owners with mechanical experience can install the replacement motor themselves, but installation may involve electrical connections and disassembling the fountain or aerator. Many customers prefer to have a qualified technician or electrician perform the installation.

Replacement motors are typically configured for the specific system they are replacing. Depending on the version selected, the motor may include the propeller and components designed for a surface aerator, VFX aerating fountain, or decorative fountain.

Signs that your Kasco fountain or aerator motor may need replacement include unusual noise, reduced water movement, overheating, tripped breakers, or a unit that will not start.

Yes. Kasco motors are designed for continuous duty operation, allowing fountains and aerators to run reliably for extended periods during the aeration season.

Most Kasco replacement motors include a stub cord with a quick disconnect connection, allowing you to reuse your existing power cord.

Yes. This is a genuine Kasco replacement motor, manufactured to the same specifications as the original motor used in Kasco fountains and aerators, ensuring proper fit and performance.

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100% Made in the USA

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Free Shipping to Lower 48 states

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FREE 30 DAY RETURNS

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PRICE MATCH GUARANTEE

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100% Made in the USA

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Free Shipping to Lower 48 states

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FREE 30 DAY RETURNS

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PRICE MATCH GUARANTEE

Trust Icon

100% Made in the USA

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Free Shipping to Lower 48 states

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FREE 30 DAY RETURNS

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PRICE MATCH GUARANTEE