The Westinghouse iGen11000TFc is a tri-fuel inverter generator offering 11,000 peak watts and 9,000 running watts on gasoline, suitable for home backup power and sensitive electronics.
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Here's the quick tradeoff view — what this model does well, and where it may not fit.
The Westinghouse iGen11000TFc is a tri-fuel generator rated for 9,000 running watts with 11,000 starting watts. That combination of sustained output and extra starting capacity is geared toward powering demanding loads that need a brief surge to get moving, while still delivering a high continuous wattage once everything is running.
Because it is tri-fuel, the iGen11000TFc adds practical flexibility in how it can be operated, letting you choose among fuel sources to match what you have available when you need power.
With 9,000 running watts and 11,000 starting watts, the iGen11000TFc is built to handle both steady electrical demand and the momentary spike that comes with starting certain equipment. Its inverter design is paired with a 3 percent THD rating, which speaks directly to the cleanliness of the power it produces and how smoothly it can support sensitive electronics without introducing excessive electrical distortion.
Noise is rated at 64 dBA, giving a concrete reference point for what to expect in terms of sound output during operation. For runtime, Westinghouse lists 19 hours at 25 percent load, which is a meaningful figure for extended use when the generator is not being pushed near its limits. A runtime at 50 percent load is listed as 0, so the only stated endurance figure to plan around here is the 25 percent load runtime.
At 191 lbs, the iGen11000TFc is a substantial unit, and that weight is an important real-world consideration for moving it into position or storing it between uses. Its physical footprint is 30.2 x 25.2 x 26.6 inches, which helps clarify the space it will occupy in a garage, shed, or jobsite staging area, as well as the clearance needed for transport and placement.
Starting is a standout convenience feature on this model, with recoil, electric, and remote starting systems all included, giving you multiple ways to bring it online depending on the situation. Day-to-day monitoring is supported by a fuel gauge and indicators, which helps you keep track of operating status at a glance rather than relying on guesswork.
The iGen11000TFc is parallel capable, which opens the door to scaling output by pairing it with another compatible unit. It also includes a spark arrestor and covered outlets, along with GFCI outlets for an added layer of protection in outlet use. Automatic voltage regulation is built in through AVR, reinforcing stable output management alongside the inverter design. For compliance, it is listed as meeting EPA and ANSI/PGMA G300-2023, and it comes backed by a 3-year warranty.
Est. running: 1,800W
Peak surge (single motor): 2,000W
Avoid starting multiple motor loads at the same time.
Est. running: 5,000W
Peak surge (single motor): 2,000W
Avoid starting multiple motor loads at the same time.
Est. running: 5,100W
Peak surge (single motor): 6,000W
Avoid starting multiple motor loads at the same time.
These are estimates using typical wattage assumptions. Real appliances vary. Startup surges can be 2–6× the running wattage for motor-driven loads. 240V loads require a 120/240V generator and proper connection. Use a transfer switch or interlock kit; never backfeed a panel.
Westinghouse is renowned for its robust and reliable power generation equipment, offering a wide range of generators suitable for home and commercial use.
| Fuel | Running | Starting | Runtime @50% | Runtime @25% |
|---|---|---|---|---|
| Gasoline | 9000W | 11000W | Not available | 19h |
| Natural Gas | 7200W | 8800W | Not available | Not available |
| Propane | 8100W | 10000W | Not available | 9.8h |
| Running Watts | 9,000 watts |
|---|---|
| Starting Watts | 11,000 watts |
| Starting Watts (Gasoline) | 11,000 W |
| Starting Watts (Propane) | 10,000 W |
| Starting Watts (Natural Gas) | 8,800 W |
| Running Watts (Gasoline) | 9,000 W |
| Running Watts (Propane) | 8,100 W |
| Running Watts (Natural Gas) | 7,200 W |
| Engine | 457 cc OHV 4-stroke |
|---|---|
| Engine Type | OHV 4-stroke |
| Engine Displacement | 457 cc |
| Engine Oil | SAE 10W-30 |
| Engine Oil Capacity | 1.16 Qt |
| Spark Arrestor | Yes |
| Emissions Compliance | EPA, ANSI/PGMA G300-2023 |
| Voltage (AC) | 120/240 |
|---|---|
| Peak Amps | 91.7 A |
| AC Frequency | 60 hz |
| GFCI Outlets | Yes |
| AC Outlets | AC outlets1x Duplex 120V 20A (5-20R) GFCI1x 120/240V 30A (L14-30R)1x 120/240V 50A (14-50R) |
| Total Harmonic Distortion (THD) | 3 % |
| Dimensions | 30.2 x 25.2 x 26.6 inches |
|---|---|
| Weight | 191 lbs |
| Automatic Low Oil Shutdown | Yes |
|---|---|
| Emissions Compliance | EPA, ANSI/PGMA G300-2023 |
| Automatic Voltage Regulation | Yes |
| Automatic Voltage Regulator | Yes |
| Carbon Monoxide Sensor | Yes |
| Commercial Warranty | 3 years |
| Covered Outlets | Yes |
| Electric Start | Yes |
| Fuel Gauge | Yes |
| Fuel Tank Capacity | 7.9 gallons |
| Indicators | Yes |
| Inverter | Yes |
| Noise Level | 64 dBA |
| Overload Protection | Low oil and overload protection |
| Parallel Capable | Yes |
| Recoil Start | Yes |
| Remote Start | Yes |
| Residential Warranty | 3 years |
| RV Ready | No |
| Starter Type | Recoil, Electric, Remote |
| Starting System | Recoil, Electric, Remote |
| UPC | 850,060,639,319 |
| Warranty | 3 years |
| Wheels | Yes |
| Winding Material | Copper-clad aluminum |
| Fuel Type | Tri-Fuel |
|---|
| Runtime @ 25% | 19 hours |
|---|---|
| Runtime @ 25% Load (Gasoline) | 19 hours |
| Runtime @ 25% Load (Propane) | 9.8 hours |
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