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Briggs & Stratton 20kw Standby Generator LP/NG New
Briggs & Stratton 20kw Standby Generator LP/NG New - view 2
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Briggs & StrattonModel 040662

Briggs & Stratton 20kw Standby Generator LP/NG

  • Peak20 kW
  • Running16 kW
  • FuelNG / LP
  • StartAutomatic
Black Friday price
$3,919.00

Black Friday price ends in —

In stock Ships within 24 hours

Free delivery Thu, Nov 5 – Tue, Nov 10 if you order today, by Expedited LTL freight to your curb or driveway.

Other versions of this model

This one$3,919.00040676 · Wi-Fi · Transfer switch$4,479.00040677 · Wi-Fi · Transfer switch$5,279.00
  • Free shipping48 states + DC
  • 30-day returnsReturn shipping on us
  • Full warrantyBrand-new, from the maker
  • Secure checkoutEncrypted by Stripe
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Questions before you buy? Our small team in Wilmington, NC answers every message personally. Email [email protected]

The Briggs & Stratton 20kW PP20 generator is the workhorse of the Power Protect lineup – its also there when you need it most, providing more power on natural gas than any other generator in its class.

Running watts
16,000 W
Starting watts
20,000 W
Fuel
Natural gas or propane
Start
Automatic
SKU: 040662
Category: , , ,

The Briggs & Stratton 20kW PP20 generator is the workhorse of the Power Protect lineup – its also there when you need it most, providing more power on natural gas than any other generator in its class. its commercial-grade engine, durable construction, and best-in-class warranty make this a generator perfect for large homes with demanding power needs.

Full specifications

BrandBriggs & Stratton
Model040662
Running watts16,000 W
Starting watts20,000 W
FuelNatural gas or propane
StartAutomatic
UPC / GTIN0011675403362
How it shipsExpedited LTL freightTo your curb or driveway, free
Order today, deliveredThu, Nov 5 – Tue, Nov 10Leaves our warehouse within 24 hours

It travels on a pallet. The carrier calls ahead to book a delivery window; please have help on hand to move it.

  1. Answer the carrier’s call to book your delivery window.
  2. Keep a clear, level spot on your driveway or at the curb for unloading.
  3. Have help on hand. Freight drivers don’t carry items onto your property.
  4. Inspect before you sign and photograph any damage. Tell us within 48 hours.

We ship to the 48 contiguous states and Washington, DC. Shipping details · 30-day free returns

Brand-new, with the full manufacturer’s warranty. The terms are set by Briggs & Stratton and included in the box. If something goes wrong, contact us first: we confirm the next steps within 2 business days and help you file the claim.

Home standby checklist
  • Installation is not included. Use a licensed electrician and, for the gas line, a licensed gas contractor, with local permits.
  • Register the unit with the manufacturer after installation; some brands shorten the warranty if you don’t.
  • Keep the paperwork: order confirmation, installer’s invoice and permit sign-off.
  • Follow the maintenance schedule in the owner’s manual.

How warranty claims work

What it can run

16,000 W running, 20,000 W starting

Pick what you want to power at the same time.

Typical wattages – check the label on your own appliances. Where only one figure is published, running watts are estimated at 80% of the starting figure. Connect to house circuits only through a transfer switch or interlock fitted by a licensed electrician.

Compare similar generators

Same power class, side by side.

SpecificationBriggs & Stratton 20kw Standby Generator LP/NGThis generator$3,919.00Cummins RS20AC A061C602 20kW w/Remote Monitoring Quiet Connect™ Series Standby Generator LP/NG with 200A Automatic Transfer Switch$4,429.00Generac/Honeywell 6729/7063 Guardian 20kW WiFi Standby Generator w/ Smart Transfer Switch$3,519.00
Running watts16,000 W16,000 W16,000 W
Starting watts20,000 W20,000 W20,000 W
FuelNatural gas or propaneNatural gas or propane—
StartAutomaticAutomaticAutomatic
LinkYou are hereView →View →

Questions and answers

Answered by our team in Wilmington. Can’t find yours? Ask below.

Can I connect this generator to my house?
Only through a transfer switch or an interlock kit installed by a licensed electrician. Never plug a generator into a wall outlet: it can back-feed the utility line and endanger line workers. Connecting safely.
What can it run at the same time?
Use the What it can run planner above: tick your appliances and it checks both the running load and the start-up surge against this generator.
Does it ship with oil?
It depends on the manufacturer. If oil is included it is listed under What’s in the box; otherwise use the grade given in the owner’s manual before the first start.
Can I use it in the rain?
Not uncovered. Run it on a dry surface under an open, canopy-like cover, at least 20 feet from doors, windows and vents, and never in a garage.
Is installation included?
No. A home standby generator needs a licensed electrician, a licensed gas contractor for the fuel line and local permits. Delivery to your curb or driveway is free.
How will it be delivered?
Free, by Expedited LTL freight to your curb or driveway, usually within 2–5 business days after it ships. It travels on a pallet. The carrier calls ahead to book a delivery window; please have help on hand to move it.
What if it arrives damaged?
Photograph it and email us within 48 hours of delivery. We replace or refund damaged items at no cost to you.
Ask a questionWe reply personally by email.

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