
040658 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $1500.00 | Condition is Used, Briggs & Stratton 12kw standby generator, shipping cost = $204.15 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $6512.00 | Condition is New, Briggs & Stratton 26kw standby generator, shipping cost = $ | 88.9% |

The Briggs & Stratton 040658 Fortress Generator is an impressive 18,000-watt portable generator designed to provide reliable power during outages or on remote job sites. This powerful generator is engineered with a robust construction to withstand harsh conditions and deliver consistent performance.
At its heart is a commercial-grade Briggs & Stratton 17 horsepower V-Twin engine, which offers superior power output and durability. The engine is equipped with a Pressure Lubrication System, ensuring long-lasting performance and minimal maintenance. The generator also features a heavy-dquote duty, industrial-style alternator that provides stable voltage and frequency output, even under heavy loads.
The Fortress Generator boasts a number of user-friendly features. It comes with a remote start key fob, allowing you to start or stop the generator from a distance. The unit also has a conveniently located control panel with intuitive buttons and LED indicators, making it easy to monitor and operate the generator.
The generator is designed with a fuel capacity of 8 gallons, providing up to 12 hours of runtime at 50% load. It also features a low oil shutoff sensor, which automatically shuts off the generator to prevent damage if the oil level gets too low.
The Briggs & Stratton 040658 Fortress Generator is built with a durable, powder-coated steel frame and features never-flat tires, making it easy to move around and transport. It also comes with a number of outlets, including two 120V 5-20R GFCI protected outlets, one 120V 5-20R outlet, one 120V 30A Twist-Lock outlet, and one 12V DC outlet, providing ample power for a variety of applications.
In summary, the Briggs & Stratton 040658 Fortress Generator is a high-performance, durable, and user-friendly generator that is perfect for powering essential appliances during outages or providing power on remote job sites. Its robust construction, powerful engine, and convenient features make it an excellent investment for anyone in need of a reliable generator.
The Briggs & Stratton 040658 Fortress Generator 18kW is a popular choice for those in need of a powerful and reliable backup power solution for their homes or businesses. Let's examine some of the key pros and cons of this generator.
Pros:1. Powerful Output: This generator produces a continuous output of 18kW and a maximum output of 22.5kW, making it suitable for powering multiple appliances and devices during power outages.
2. Transfer Switch Ready: It comes transfer switch ready, which allows for seamless integration with your home's electrical system, ensuring that you can easily switch to generator power during an outage.
3. Quiet Operation: The Fortress Series generators, including the 18kW model, are known for their quiet operation. This is due in part to the sound-attenuated enclosure and the V-Twin engine design.
4. Durable Construction: The generator features a heavy-duty steel frame, which not only adds to its durability but also provides added protection against the elements.
5. Parallel Capable: This generator can be used in parallel with other Briggs & Stratton generators, allowing you to increase your power output and capacity, should the need arise.
Cons:1. Size and Weight: The 18kW Fortress Generator is a large and heavy unit, weighing close to 900 pounds. This makes it more difficult to transport and maneuver compared to smaller generators.
2. Fuel Consumption: With a large output comes increased fuel consumption. This generator requires a constant fuel supply to maintain power output, which can result in higher operating costs.
3. Maintenance: Like all generators, the Briggs & Stratton 040658 Fortress Generator requires regular maintenance to ensure optimal performance. This includes regular oil changes and filter replacements.
Conclusion:The Briggs & Stratton 040658 Fortress Generator 18kW is a powerful and reliable backup power solution for those in need of a large capacity generator. Its quiet operation, transfer switch readiness, and durability are major selling points, but its size, weight, and fuel consumption may be drawbacks for some. Ultimately, if you require a powerful generator to keep your home or business running during power outages, the Fortress 18kW generator is an excellent choice.
Recommendation:If you are in the market for a large capacity backup generator, the Briggs & Stratton 040658 Fortress Generator 18kW is a strong contender. Its powerful output, transfer switch readiness, and quiet operation make it a top choice for those seeking a reliable power solution for their home or business. However, be prepared for its size, weight, and fuel consumption, and ensure that you have a dedicated space and a reliable fuel source to keep the generator running during power outages.
Details:
specifications slashgenerators:
- brand: Briggs Stratton
- mpn: 040658
- type: Power Generator
- voltage: 220 V
- features: Standby
- application: Home Backup
offer slashgenerators:
- in stock #: 2
- sold #: 11
- started: november 5, 2025
- availability: in stock
- options: seller-arranged-local-pickup
- best offers: true
- prices: $1500.00–$6512.00
- item condition:
- Used
- New
seller slashgenerators:
- # reviews: 26
- city: carbon hill, alabama
- rating: 100.0%
shipping slashgenerators:
payments slashgenerators:
- other
- wallet: paypal
- credit card: diners-club
general slashgenerators:
- category: Home & Garden > Yard, Living > Outdoor Power Equipment > Generators
returns slashgenerators:
- policy: no returns
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