450 Kw Cummins Backup Generators of 2025

Advertising Disclosure

Last Updated - May 13, 2025

Best Choice

1

Clicked 2 times in the last month

Generac
Generac 5734 GP15000E 15000-Watt Gas-Powered Portable Generator - Durable Design and Reliable Power for Emergencies and Recreation - Emergency Backup Power and Job Sites - 49 State Compliant

9.1 Maneuverability

8.2 movability

8.0 worth the money

Why we love it

Durable design for tough environments.

Powers whole house easily.

Easy electric start.
Main highlights

Robust Power Source
Generac GP15000E offers 15000 watts of reliable power, perfect for emergencies and job sites.

Ideal for Whole House Use
Powers entire home appliances including heat pumps and well pumps during outages.

Customer Praised Performance
Highly rated for running smoothly without voltage drops, even under heavy load.
Show more
9.8

Exceptional

View offer on:

Show more
Curious about how we select the top products for you? Explore How It Works

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
Value for Money

2

Westinghouse
Westinghouse 15000 Peak Watt Home Backup Portable Generator, Remote Electric Start with Auto Choke, Transfer Switch Ready 30A & 50 Outlets, Gas Powered

9.5 Tech Support

8.7 Noise level

8.4 worth the money

Why we love it

12kW runtime power

Remote start key fob

11 hrs run time
Main highlights

Key Features
12000W running, 15000W peak power, electric and remote start, 11-hour run time, multiple outlets including RV and USB, ultra-duty Westinghouse engine.

Ideal Use Cases
Perfect for home backup, large RVs, outdoor events, and job sites requiring heavy-duty power for extended periods.

Customer Reviews
High praise for easy setup, reliability, and the convenience of the remote start feature, making it a user-favorite.
Show more
9.6

Exceptional

View offer on:

Show more
3

Cummins
Cummins Onan P2500I Inverter Portable Generator

15% Off
Main highlights

Two 5V USB ports for charging sensitive electronics such as phones or tablets
Stop, run, and choke switch
Pull start featuring a recoil rope
LED display with precise readings such as fuel level, power output, remaining run time, voltage and lifetime run hours
Dependable 3.4 HP 98cc OHV 4-Stroke engine
Show more
9.5

Excellent

View offer on:

Show more
4

Cummins
Cummins A065U664 Onan Ec-ags+ [gasoline & Lp]
Main highlights

ONAN EC-AGS+ (GASOLINE & LP)
Show more
9.4

Excellent

View offer on:

Show more
5

Westinghouse
Westinghouse 28000 Peak Watt Home Backup Portable Generator, Remote Electric Start with Auto Choke, Transfer Switch Ready 30A & 50A Outlets, Gas Powered, CO Sensor,Blue

24% Off

9.5 Tech Support

8.4 worth the money

8.4 Maneuverability

Why we love it

High power output for large homes.

Easy remote start feature.

Durable, heavy-duty construction.
Main highlights

Powerful and Reliable
28,000 peak watts with 20,000 running watts for robust power.

Ideal for Home Backup
Perfect for residential use during power outages or emergencies.

Remote Start Convenience
Praised for easy remote start and setup by users.
Show more
9.1

Excellent

View offer on:

Show more
6

ERAYAK
ERAYAK 4500W Portable Inverter Generator for Home Use, Super Quiet Small Generator for Camping Outdoor Emergency Power Backup, Gas Powered Engine, ECO Mode, EPA Compliant

20% Off

Why we love it

Lightweight and portable design.

Super quiet operation.

Safe for sensitive electronics.
Main highlights

Powerful and Versatile
Produces 4,500 starting watts and 3,500 running watts for home and RV use.

Ideal for Quiet Environments
Operates at 60.5 dB A, perfect for residential and outdoor settings.

Highly Portable
Weighs only 54 pounds, easily carried with one hand.
Show more
8.9

Very Good

View offer on:

Show more
7

DuroMax
DuroMax XP13000EH 13,000-Watt Dual Fuel Portable Generator - Gas & Propane, Electric Start, Whole Home Backup Power, Transfer Switch Ready, RV & Emergency Ready

8.7 movability

8.7 Maneuverability

8.4 worth the money

Why we love it

Versatile fuel options.

Strong and reliable performance.

Durable all-metal construction.
Main highlights

Powerful Dual Fuel Capability
Delivers 13,000 watts with gas or propane, ensuring versatility.

Ideal for Home and Outdoor Use
Perfect for powering homes, RVs, and job sites.

Highly Praised Durability
Customers appreciate its robust build and longevity.
Show more
8.6

Very Good

View offer on:

Show more
8

Generic
Fits PREDATOR 3500 Watt SUPER QUIET Inverter Generator with Electric Start & CO SECURE - Ideal for RVs, Home Backup, and More!
Main highlights

Safe and Secure: compatible with CO SECURE technology for added protection
Quiet Operation: compatible with SUPER QUIET technology for noise reduction
Pure sine wave inverter technology safely powers sensitive electronics such as smartphones, laptops, and TVs
Powerful Performance: 3500 starting watts, 3000 running watts for demanding applications
Parallel ports make it easy to connect two 3500 watt generators for double the power
Includes: (2) 120V 5-20R outlets, (1) 120V L5-30R twist lock outlet, (1) 12VDC
Includes four wheel system for easy portability
Convenient Features: Electric start, digital display, multiple outlets
Complies with ANSI/PGMA G300-2018 standard
Show more
8.4

Good

View offer on:

Show more
9

Westinghouse
Westinghouse 18000 Peak Watt Dual Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered

9.5 Tech Support

8.4 worth the money

8.4 Maneuverability

Why we love it

Powerful: 12000 15000 running and peak watts.

Long run time: 11 hours on 10.5 gallons.

Versatile: 5 outlets 2 USB ports.
Main highlights

Key Features and Benefits
Offers dual fuel versatility, high power output, and remote start for convenience. Includes safety-enhanced outlets and is designed for longevity.

Ideal Use Cases
Perfect for emergency power, large RVs, and extensive home use, especially in areas prone to power outages or for off-grid living.

Customer Reviews Highlight
Most praised for its reliability and powerful performance, ensuring peace of mind during extended use.
Show more
8.3

Good

View offer on:

Show more
10

Champion Power Equipment
Champion Power Equipment 11,500-Watt Electric Start Dual Fuel Home Backup Portable Generator with CO Shield

Why we love it

Dual fuel versatility for flexible power options.

Electric start for easy operation.

CO Shield ensures safety from carbon monoxide.
Main highlights

Dual Fuel Flexibility
Operate on gasoline or propane with 11,500/9,200 watts.

Ideal for Home Backup
Perfect for home backup during power outages.

Praised Electric Start
Customers love the convenient electric start feature.
Show more
8.2

Good

View offer on:

Show more

450 Kw Cummins Backup Generators of 2025

1

Generac 5734 GP15000E 15000-Watt Gas-Powered Portable Generator - Durable Design and Reliable Power for Emergencies and Recreation - Emergency Backup Power and Job Sites - 49 State Compliant

Why we love it

2

Westinghouse 15000 Peak Watt Home Backup Portable Generator, Remote Electric Start with Auto Choke, Transfer Switch Ready 30A & 50 Outlets, Gas Powered

Why we love it

3

Cummins Onan P2500I Inverter Portable Generator

4

Cummins A065U664 Onan Ec-ags+ [gasoline & Lp]

5

Westinghouse 28000 Peak Watt Home Backup Portable Generator, Remote Electric Start with Auto Choke, Transfer Switch Ready 30A & 50A Outlets, Gas Powered, CO Sensor,Blue

Why we love it

6

ERAYAK 4500W Portable Inverter Generator for Home Use, Super Quiet Small Generator for Camping Outdoor Emergency Power Backup, Gas Powered Engine, ECO Mode, EPA Compliant

Why we love it

7

DuroMax XP13000EH 13,000-Watt Dual Fuel Portable Generator - Gas & Propane, Electric Start, Whole Home Backup Power, Transfer Switch Ready, RV & Emergency Ready

Why we love it

8

Fits PREDATOR 3500 Watt SUPER QUIET Inverter Generator with Electric Start & CO SECURE - Ideal for RVs, Home Backup, and More!

9

Westinghouse 18000 Peak Watt Dual Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered

Why we love it

10

Champion Power Equipment 11,500-Watt Electric Start Dual Fuel Home Backup Portable Generator with CO Shield

Why we love it

Similar products on Amazon

Westinghouse WGen5300DF Dual Fuel Home Backup Portable Generator, 6600 Watts, Remote Electric Start with Auto Choke, Transfer Switch Ready, RV Ready

$649.00

Westinghouse 12500 Peak Watt Dual Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered, CO Sensor

$1,049.00

maXpeedingrods 4000 Watt Inverter Generator Portable, Bluetooth® App Remote Data Monitor, RV Ready, Gas Powered Generator with CO Alarm for Outdoor Camping, Home Backup

$559.99

WEN DF450i Super Quiet 4500-Watt Dual RV-Ready Portable Inverter Generator with Fuel Shut-Off

$726.00

Westinghouse 9500 Peak Watt Dual Fuel Home Backup Portable Generator, Electric Start, Transfer Switch Ready, Gas & Propane Powered, CO Sensor

$949.00

GENKINS 3800 Watt Portable Inverter Generator Ultra Quiet RV Ready Emergency Home Back up Recreation etc Gas Powered EPA Compliant Ship to Puerto Rico

$498.00

Sign up and get exclusive special deals