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Home Generators Standby Generators Briggs & Stratton 18kW Generator PowerProtect Standby Series | 40756
Briggs & Stratton 13kW Generator PowerProtect Standby Series | 40746
Briggs & Stratton 13kW Generator PowerProtect Standby Series | 40746 $2,480.00
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Cummins 17kW Home Standby Generator with 100-Amp Automatic Transfer Switch | Quiet Connect Series RS17A-NP1
Cummins 17kW Home Standby Generator with 100-Amp Automatic Transfer Switch | Quiet Connect Series RS17A-NP1 $3,155.00

Briggs & Stratton 18kW Generator PowerProtect Standby Series | 40756

$3,587.00

  • Briggs & Stratton 18kW Generator PowerProtect Series
  • Rated at 18kW Natural Gas AND LP Propane
  • Automatically Restores Power Seconds After the Power Goes Out
  • Sleek, Appealing Design Fits Into Neighborhood Landscapes
  • Easy, No-Tool Access to Major Components and Maintenance Items
  • Thermally Protected Fuel System Shuts off Fuel in the Event of a Fire
  • Aluminum Enclosure on a Galvanneal Steel Base
  • ATS Sold Separately
  • Longest Most Comprehensive Standard Warranty in its Class
  • Briggs & Stratton 7-Year Warranty Covers Parts, Labor, and Travel for the Entire Term.
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Category: Standby Generators
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Description

Briggs & Stratton 18kW Standby Generator

NEW Briggs & Stratton 18kW Standby Generator. Unlike some competitors, the Briggs and Stratton 18kW delivers 18kW on NG AND LP with NGMAX Technology. Includes the longest, most comprehensive standard warranty in the industry. Briggs and Stratton’s PowerProtect Series has a sleek and appealing design with tool-less access to all major components for routine maintenance.

More powerful than competing 18kW models, Briggs and Stratton rates the air-cooled standby at 18kW for LP Propane and Natural Gas in accordance with Underwriters Laboratories UL2200. PowerProtect Series generators install just 18 inches from your home, taking up less space and fitting into your landscape. The Briggs & Stratton 40756 is sold without a transfer switch—ideal for replacement or upgrade with an existing compatible automatic transfer switch.

  • NGMax Technology for superior power and performance on Natural Gas or Propane
  • Eco-cise 16 second weekly test mode tests generator while reducing noise and fuel consumption
  • Suitable for Off-Grid Use or On-Demand Systems
  • Excellent Motor Starting Capability for Large Appliance Motors
  • Commercial-Grade 993 cc Engine
  • Reinforced Corrosion Resistant Enclosures and Bases.

The 18kW Briggs and Stratton Generator has the longest, most comprehensive warranty of any air-cooled standby. Briggs & Stratton’s 7-Year Limited Warranty covers parts, labor, and travel for the entire term. Made in the USA with commercial-grade Vanguard engines that lead the industry with rugged and reliable operation. With a 200-Amp Automatic Transfer Switch (not included), the 18kW generator keeps your entire home supplied with power for the duration of any power outage.

Briggs and Stratton 18kW Generator

The Briggs and Stratton 18kW Generator has a 993 cc V-Twin OHV Vanguard commercial-grade engine equipped with Low Oil Shutdown to prevent engine damage. This standby generator set also has a high temperature shutdown, LED display, and a built-in battery charger. The aluminum enclosure withstands hurricane-force winds up to 186 MPH. This generator is compatible with the Symphony II and Amplify Power Management systems to ensure your home and family have the power they need when they need it.

18kW Standby Generator 40756 Ratings

Voltage 120/240 Volts Single Phase
Running Watts 18kW LP Propane / 18kW Natural Gas
Running Amps 75 Amps LP Propane / 75 Amps Natural Gas
Main Circuit Breaker 80 Amps
Normal Operating Sound 68 dBA Normal Operation / 64 dBA Low Idle Mode
Frequency Regulation ±1.0 Percent
Engine Speed 3600 RPM

 

18kW Briggs and Stratton Generator

Briggs and Stratton 18kW Generator installations require the use of a Carbon Monoxide Detector inside the home to guard against CO Poisoning.

* Battery Not included—12 Volt, Group BCI 26 or 51, 540 Cold Cranking Amps

* Enclosure Warranty

  • 1-Year Parts/Labor/Travel covers surface rust and corrosion.
  • 3-Year Parts/Labor/Travel covers enclosure rust through.

Product Specifications

Model

Model Number; 40756

Manufacturer; Briggs and Stratton

Made In USA; Yes

Rated Watts; 18kW Natural Gas OR Propane

Rated Amps; 75 Amps Propane or Natural Gas

Voltage; 120/240 Volts Single Phase

A/C Ton Rating; 5-Ton

Enclosure; Aluminum Enclosure with Galvanneal Steel Base

UL Listed; UL-2200

Decibel Rating; 64 dBA Low Idle / 68 dBA Normal Operation

Type; Standby Generator

Series Name; PowerProtect

Features

Starting System; Automatic

Low Oil Alert; Low Oil Shutdown

Mainline Breaker; 100 Amps

Battery Requirement; 12-Volt, Group 26 or 51, 540 CCA

Weight; 465 Pounds

Dimensions; 46.5L x 26.8W x 28.4H

Warranty Information

Consumer Warranty; Briggs and Stratton 7-Year Limited Warranty Covers Parts, Labor, and Travel

Engine

Engine Brand; Vanguard Commercial Grade OHV

Engine Size; 993 cc

Engine RPM; 3600

Cast Iron Sleeve; Yes

Cooling System; Air Cooled

Alternator

Alternator Type; Synchronous, Self-Excited, Rotating Field

Frequency; 60 Hz

Auto Voltage Regulation; Yes

Fuel

Fuel Type; Natural Gas or LP Propane

Fuel Gauge; No

NG Power Capacity; 18kW

LP Power Capacity; 18kW

NG Consumption @ Full Load; 252 Cubic Feet per Hour

NG Consumption @ Half Load; 176 Cubic Feet per Hour

LP Consumption @ Full Load; 3.5 Gallons per Hour

LP Consumption @ Half Load; 2.2 Gallons per Hour

Shipping & Delivery
wd-ship-1
wd-ship-2

Effective Date: August 9, 2025

At X Factors Motorsports, we are committed to delivering your order quickly, securely, and affordably.


1. Processing Time

  • Orders are typically processed within 1–2 business days after payment is confirmed.

  • Orders placed on weekends or holidays will be processed on the next business day.


2. Delivery Times

  • Domestic Shipping (United States): Delivery takes 5–7 business days from the date of shipment.

  • International Shipping: Delivery times vary by destination and may take 7–21 business days depending on customs processing and local delivery services.


3. Shipping Rates

  • United States: Free standard shipping on all orders.

  • International: Shipping costs are calculated at checkout based on the delivery address, package weight, and destination country.


4. Carriers Used

We ship orders using trusted carriers such as UPS, FedEx, USPS, and DHL to ensure reliable delivery. Tracking numbers are provided for all shipments.

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    At X Factors Motorsports, we specialize in high-performance engines, outboards, and premium automotive equipment. With expert support, fast shipping, and trusted brands, we help builders, racers, and enthusiasts power their passion — one project at a time.

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    • E-mail: sales@xfactorsmotorsports.com
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