Shop Cummins Onan Standby Generators

Tell us about your property and power needs, and we’ll help you select the right standby generator system, send speical pricing, and availability.

Available Cummins Onan Standby Generators

Cummins Onan standby generators are built for customers who need uninterrupted power during storms, extreme temperatures, and utility disruptions. These systems activate automatically during an outage and shut down once utility power is restored, providing seamless protection for critical systems and operations. Each generator group below is designed to operate reliably in specific environments, from residential neighborhoods to agricultural and industrial sites.

QuietConnect™ Air Cooled Standby Generator Series

13kW, 17kW, 20kW

Designed for residential applications, this air-cooled standby generator series delivers quiet, automatic backup power in a compact enclosure that blends into residential environments. These generators are engineered to handle seasonal temperature extremes, including severe cold, when properly equipped.

Features:

• QuietConnect™ design for neighborhood-friendly operation

• Automatic startup during utility outages

• Compact enclosure suitable for residential installation

• Remote monitoring and control capability

• Intelligent load management compatibility

• Extreme cold weather operation when properly equipped

Specifications:

• Power range: 13kW to 20kW

• Fuel options: Natural gas or propane

• Sound levels: Approximately 65 dB(A) at normal load

• Installation clearance: As close as 18 inches from the home

• Application rating: EPA stationary emergency use

• Warranty: 5-year limited warranty

QuietConnect™ Liquid Cooled Standby Generator Series

25kW – 150kW

Built for larger homes and properties with higher electrical demands, this liquid-cooled series delivers sustained backup power during extended outages. These generators are designed to operate reliably in extreme heat, cold, and harsh weather conditions while supporting larger electrical loads.

Features:

• Liquid-cooled engines for continuous high-output operation

• QuietConnect™ enclosure design

• Cummins PowerCommand® electronic controls with self-diagnostics

• Flexible exercise modes to reduce wear and fuel consumption

• Robust construction for severe weather environments

• Optional sound-attenuated enclosures

Specifications:

• Power range: 25kW to 150kW

• Fuel options: Natural gas or propane

• Sound levels: As low as 60 dB(A) with optional enclosures

• Application rating: EPA stationary emergency use

• Warranty: 2-year standard with extended options up to 10 years

QuietConnect™ Diesel Standby Generator Series

20kW – 100kW

This diesel standby generator series provides reliable emergency backup power in a compact, weather-resistant enclosure. Designed for durability and performance, these systems are well-suited for environments that experience temperature extremes and extended outage conditions.

Features:

• Diesel-powered operation for fuel stability

• Compact enclosure designed for outdoor installation

• Cummins PowerCommand® electronic controls

• Rugged construction for harsh weather conditions

• Optional sound-attenuated enclosures

Specifications:

• Power range: 20kW to 100kW

• Fuel type: Diesel

• Sound levels: As low as approximately 68 dB(A) with optional enclosures

• Application rating: EPA stationary emergency use

• Warranty: 2-year standard with extended options available

Agricultural Standby Generators

60kW – 200kW

Designed specifically for agricultural operations, these standby generators are built to operate under extreme environmental conditions including temperature swings, dust, moisture, and heavy electrical loads. They provide fast response and dependable power for critical farm infrastructure.

Features:

• Heavy-duty industrial diesel engines

• Designed for extreme environmental conditions

• Battle short mode for critical operations

• Cummins PowerCommand® electronic controls with diagnostics

• Rugged construction for continuous and demanding use

Specifications:

• Power range: 60kW to 200kW

• Fuel type: Diesel

• Application rating: EPA stationary emergency use

• Designed for rapid load response

• Built for continuous agricultural duty cycles

Automatic Transfer Switches

When utility power fails, the generator is signaled to start, then Cummins automatic transfer switches will transition the power load. When utility voltage returns, the transfer switch will automatically switch the load from the generator back to the utility with no action required from the homeowner.

These switches are designed to operate reliably in both indoor and outdoor environments, even in areas prone to voltage fluctuations.

Features:

• Automatic detection of utility power loss

• Seamless transfer between utility and generator power

• Continuous monitoring of power conditions

• Available service-entrance rated options

• Designed for residential, commercial, and industrial use

Specifications:

• Compatibility: Single-phase and three-phase systems

• Enclosure options: NEMA 1 and NEMA 3R

• Compliance: UL 1008, NEC, NFPA standards

• Designed for indoor and outdoor installation

Cummins Onan Standby Power for Job Sites, Homes, Farms, and Businesses

Cummins Onan standby generators are engineered to deliver reliable power through extreme weather, temperature swings, and demanding operating conditions. Whether protecting a home during winter storms, keeping agricultural operations running in harsh environments, or maintaining business continuity during outages, Cummins standby systems provide dependable, automatic power backed by decades of proven engineering.

FAQ's

Frequently Asked Questions

What standby generator is right for me?

The right generator depends on your electrical load requirements, runtime expectations, portability needs, and the environment where it will be used, such as a residential home, agricultural site, or commercial facility. That’s where we come in.

What is a standby generator best used for?

Standby generators are designed to provide automatic backup power for homes, farms, and businesses during outages without requiring manual setup.

How do standby generators perform in extreme weather?

Cummins Onan standby generators are designed to operate in harsh environmental conditions, including extreme cold, heat, and severe weather, depending on the series and configuration.

Do standby generators turn on automatically?

Do standby generators turn on automatically?

Can a standby generator power my entire home or facility?

Yes, depending on generator size and load management configuration, standby generators can power essential circuits or entire properties.

Do standby generators require professional installation?

Yes. Standby generators require professional installation, permitting, and proper electrical and fuel connections.