Briggs & Stratton PowerProtect™ DX 26kW Home Standby Generator
The most powerful air-cooled home standby generator you can buy. The PowerProtect™ DX 26kW (model 040806) powers everything — central air, electric ranges, well pumps, workshops — with a massive 65.5 kVA of motor-starting capability. Remarkably, it’s also the quietest model in the DX lineup at just 65 dB(A).
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Who Is the 26kW Right For?
Large homes, homes with multiple HVAC systems, heavy AC tonnage, well pumps, or 400-amp service — anywhere a 22kW would run near its limit. The 26kW gives you true whole-house power with headroom to spare, without the cost and complexity of a liquid-cooled unit.
Key Features
- 26kW on LP / 24kW on NG — the most powerful air-cooled home standby generator
- 65.5 kVA motor starting (35% voltage dip) — starts the heaviest residential loads
- Quietest in the lineup at 65 dB(A)
- 10-Year comprehensive warranty — labor, parts, and service, no out-of-pocket costs
- NGMax™ technology with convenient hookups for NG and LP
- Eco-Cise™ 16-second weekly self-test; Dura-Zen™ corrosion-resistant enclosure
- Demand Response ready — certified for non-emergency/off-grid use
- Flexible installation — as close as 18″ to the building, toolless panel removal
Specifications
| Model | 040806 |
| Running Power (LP) | 26 kW / 108.3 A |
| Running Power (NG) | 24 kW / 100 A |
| Motor Starting Power | 65.5 kVA (35% voltage dip) |
| Voltage / Breaker | 120/240V, 125 A |
| Engine | Vanguard® commercial-grade, 993cc |
| Sound Level | 65 dB(A) |
| Fuel Use @ 50% Load | LP 235,000 BTU/hr · NG 206,000 BTU/hr |
| Dimensions (L×W×H) | 46.5″ × 26.8″ × 28.4″ |
| Weight | 540 lbs |
| Warranty | 10-year comprehensive (parts, labor, service) |
Professional Installation by GSHA Services
Large-capacity installs often pair the 26kW with a 200-amp or dual 200/400-amp automatic transfer switch — our electricians size everything during your free consultation. Serving Illinois and Wisconsin with financing through Synchrony, Service Finance Company, and Microf.
Compare: PowerProtect+ DX 26kW · DX 22kW · full DX lineup
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