PowerProtect™ DX 12kW Standby Generator

At nearly half the footprint of competitors and almost double the warranty coverage the 12kW1 DX generator is there when you need it most. Its unique design and front-facing exhaust also allows for easy placement for installation outside your home.

Click here to view spec sheet.

Available Models: 040669

Features

Smallest Footprint in its Class

30% smaller footprint than competitive generators allows for discreet placement and easy installation.

Best-In-Class Warranty

10-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.

Quiet Weekly Test Mode

Over 75% quieter during weekly test mode, for less disruption to you and your neighbors.3

Multiple Fuel Options

Optimized for both natural gas and liquid propane fuels, the PPDX12 can provide reliable backup power to your home regardless of your available fuel options.

Commercial-Grade Vanguard® Power

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

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

Assembled & Engineered in USA

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

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.
Learn more.

Schaeffer® Full Synthetic Generator Oil

Shields engine to reduce wear and tear, and allows enhanced cold weather start-up and protection to -20°F.

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.

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).
2See operator’s manual or briggsandstratton.com for complete warranty details.
3Compared to full load based on lowest microphone at 7 meters
4The 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.
5Of U.S. and global parts

Specifications

At least one product must be displayed. Please select another option to remove this product

Model Number
040669
Running Watts (Liquid Propane) kW**
12
Running Watts (Natural Gas) kW**
10.8
Running Amperage (Liquid Propane) Amps**
50
Running Amperage (Natural Gas) Amps**
45
Voltage
120 / 240
Circuit Breaker Amps
60
Engine Brand
Vanguard®
Engine Displacement (cc)
623
Assembled Length (in.)
28
Assembled Width (in.)
24.5
Assembled Height (in.)
37.2
Assembled Weight (lbs.)
361
Normal Operating Sound
70 dBA
Fuel Consumption (Liquid Propane) (50% Load, BTU/hr)***
155,000
Fuel Consumption (Natural Gas) (50% Load, BTU/hr)***
117,000
Limited Warranty (Years)†
10

**This 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).
***Fuel consumption rates are estimated based on normal operating conditions. Generator operation may be greatly affected by elevation and the cycling operation of multiple electrical appliances - fuel flow rates may vary depending on these factors.
†See operator’s manual or briggsandstratton.com for complete warranty details.

Reviews