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PowerProtect™ DX 20kW Standby Generator

A Briggs and Stratton PowerProtect™ DX 26kW Standby Generator dealer exclusive.

PowerProtect™ DX 20kW Standby Generator

The 20kW1 DX generator is there when you need it most, providing more power on both natural gas and liquid propane than any other generator in its class. The workhorse of the PowerProtectDX lineup, the 20kW unit is backed by the most comprehensive warranty over time with a 10-Year limited warranty.

Available Models: 040657

Brochure

Spec sheet

Features

A large PowerProtect™ DX 20kW Standby Generator at night.
Highest-Rated Power Output in its Class

Get more bang for your buck with the most powerful natural gas unit in its class.2

A man standing in front of a PowerProtect™ 26kW Standby Generator trailer.
Best-In-Class Warranty

6-Year limited warranty2 of parts, labor, and travel, included for the entire term. The industry’s most comprehensive warranty over time is standard to give you piece of mind that you have the coverage you need.

A close up of the PowerProtect™ 26kW Standby Generator with wires attached to it.
Multiple Fuel Options

Optimized for both natural gas and liquid propane fuels, the PP26 can provide reliable backup power to your home regardless of your available fuel options.

Two men playing billiards on a PowerProtect™ 26kW Standby Generator.
Quiet Weekly Test Mode

Over 70% quieter during weekly test mode.3

The engine compartment of a vehicle with a PowerProtect™ 26kW Standby Generator.
Commercial-Grade Vanguard® Power

Rugged, reliable engines trusted for the most demanding commercial applications, so you always get the power you need.

A man talking to a man in front of the PowerProtect™ 26kW Standby Generator.
Power Management System (Optional)

Customizable to your home’s power needs, Symphony® II and Amplify Power Management systems offer prioritized whole house power giving flexibility to a more affordable standby generator solution.

US Power Pros electrician performing generator maintenance
Easy Ownership & Serviceability

Approved for installation as close as 18″ to a building for flexibility of placement around the home – simple toolless panel removal also allows for easy serviceability and maintenance.4

A man standing in front of PowerProtect™ 26kW Standby Generators in a warehouse.
Assembled & Engineered in USA

Briggs & Stratton generators are designed and assembled in the USA.5

Two men shaking hands in front of a PowerProtect™ DX 26kW Standby Generator.
Superior Customer Support

When you need support, we’ve got your back with a nationwide call center and dealer network. Our best-in-class customer service team is always prepared to assist with any questions you may have.

Specifications

Model Number
040657
Running Watts (Liquid Propane) kW**
20
Running Watts (Natural Gas) kW**
20
Running Amperage (Liquid Propane) Amps**
83.3
Running Amperage (Natural Gas) Amps**
83.3
Voltage
120 / 240
Circuit Breaker Amps
100
Engine Brand
Vanguard®
Engine Displacement (cc)
993
Assembled Length (in.)
46.5
Assembled Width (in.)
26.8
Assembled Height (in.)
28.4
Assembled Weight (lbs.)
520
Normal Operating Sound
68 dBA
Fuel Consumption (Liquid Propane) (50% Load, BTU/hr)***
208,000
Fuel Consumption (Natural Gas) (50% Load, BTU/hr)***
187,000
Limited Warranty (Years)†
10

1This generator is rated in accordance with UL (Underwriters Laboratories) 2200 (stationary engine generator assemblies) and CSA (Canadian Standards Association) standard C22.2 No.100-14 (motors and generators).
2On natural gas in its named class
3The installation manual contains specific instructions related to generator placement in addition to NFPA 37, including the requirement that carbon monoxide detectors be installed and maintained in your home or business.
4See operator’s manual or briggsandstratton.com for complete warranty details.
5Of U.S. and global parts
6Compared to full load based on lowest microphone at 7 meters