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When a big storm knocked out my power for three days, I knew I needed a serious backup solution. That’s why I tested the Westinghouse 13500 Peak Watt Tri-Fuel Home Backup Portable Generator, which delivers 10500 running watts on gasoline and can run up to 19 hours on a full 9.5-gallon tank.
This generator is built for homeowners who want real peace of mind. It runs on gas, propane, or natural gas, giving you flexibility when fuel is scarce. The trade-off is its weight — at 230 pounds, you won’t want to move it around casually. Still, the remote start and RV-ready outlet make it incredibly convenient for whole-house backup or camping.
- 13500 Peak Watts, 10500 Running Watts (Gasoline); 12500 Peak Watts, 9500 Running Watts (Propane...
- Features Two GFCI 120V 5–20R 20A Standard Household Receptacle, One Transfer Switch Ready 120V...
- Powered by a Heavy Duty 500cc Westinghouse 4-Stroke OHV Engine Featuring a Long-Lasting Cast Iron...
What Stands Out — Key Features
- Tri-Fuel Capability: I can run this generator on gasoline, propane, or natural gas. On gasoline, it delivers 13500 peak watts and 10500 running watts. On natural gas, it still puts out 10000 peak watts and 8500 running watts.
- Remote Electric Start: The included key fob lets me start the generator from a distance. No more walking out in the rain or snow to pull a cord.
- Long Runtime: With a 9.5-gallon fuel tank, it runs up to 19 hours at half load on gasoline. That’s enough to get through an entire night and then some.
- Transfer Switch Ready: The 120/240V 50A outlet (L14-30R) connects directly to my home’s transfer switch, so I can power my whole house without extension cords everywhere.
- Safety Features: The automatic CO sensor and low oil shutdown give me peace of mind. If carbon monoxide builds up or oil gets low, the generator shuts off automatically.
- Durable Engine: The 500cc Westinghouse 4-stroke OHV engine has a long-lasting cast iron sleeve. I expect this to run for years with proper maintenance.
- Multiple Outlets: It has two GFCI 120V household outlets, one 120V 30A twist-lock, and one 120/240V 50A RV-ready outlet. All outlets have rubber covers for safety.
Full Specifications
Pros & Cons — The Honest Take
✅ What I Like
- The tri-fuel capability is a lifesaver — I can switch between gasoline, propane, and natural gas depending on what’s available, and it still delivers 10500 running watts on gas.
- Remote start via the key fob is incredibly convenient. I can fire it up from my back porch without fumbling in the dark during a storm.
- With a 9.5-gallon tank and 19-hour runtime at half load, it runs through an entire night and most of the next day without a refill.
- The CO sensor and low oil shutdown give me real peace of mind. I don’t have to worry about carbon monoxide buildup or damaging the engine if I forget to check oil.
- It comes with everything I needed to get started right out of the box — battery charger, oil, funnel, tool kit, and even a quick-start guide.
❌ What Could Be Better
- At 230 pounds, this generator is a beast to move. I had to use a wheel kit and still struggled to get it into position on my patio.
- The natural gas output drops to 8500 running watts, which might not be enough for some larger homes with central AC or well pumps running simultaneously.
- It’s not exactly quiet — at full load, you’ll hear it running from inside the house, though it’s not as loud as some older models I’ve used.
For me, the tri-fuel flexibility and remote start make this generator worth the weight, but you’ll want a permanent spot for it and maybe a wheel kit to roll it into place.
⚖️ How Does It Compare?
I compared the Westinghouse WGen10500TFc against two other popular models from the same brand to help you decide which one fits your needs. Both the 12500 peak watt and 14500 peak watt versions are solid alternatives depending on your power requirements and budget.
- FUEL FLEXIBILITY FOR HOME, RV & WORK: 12,500 peak watts, 9,500 running watts (gasoline); 11,200 peak...
- MULTIPLE OUTLETS FOR MANY USES: Features one 120/240V 14–50R 50A outlet for home or RV and one...
- DURABLE ENGINE WITH SAFETY BUILT-IN: Equipped with 457cc Westinghouse 4-stroke OHV engine with...
🔵 Alternative 1: Westinghouse 12500 Peak Watt
Best for: Homeowners who want a lighter, more portable generator but still need enough power for essential circuits.
Key specs: 12500 peak watts / 9500 running watts (gas) | Dual fuel (gas/propane) | Weighs less than 230 lbs | 18-hour runtime
Where it beats the main product: It’s lighter and easier to move around, and the dual fuel setup is simpler if you don’t need natural gas hookup.
Where it falls short: No natural gas option, and you lose 1000 running watts compared to the tri-fuel model on gasoline.
- Perfect as a backup power source for larger homes or a dependable source of portable power
- 14,500 peak watts, 11,500 running watts (gasoline); 13,500 peak watts, 10,500 running watts...
- Powered by a heavy duty 550cc 4-Stroke OHV Westinghouse Engine constructed with a durable cast iron...
⚪ Alternative 2: Westinghouse 14500 Peak Watt
Best for: Homeowners with larger houses who need maximum power to run central AC, well pumps, and multiple appliances simultaneously.
Key specs: 14500 peak watts / 11500 running watts (gas) | Tri-fuel | 500cc OHV engine | 18-hour runtime on 9.5-gallon tank
Where it beats the main product: It delivers 1000 more running watts on gas, which could be the difference between running your whole house or just the essentials.
Where it falls short: It’s even heavier and bulkier than the 13500 watt model, and the runtime at full load drops slightly to around 18 hours.
If you don’t need natural gas and prefer something a bit lighter, the 12500 watt model is a smart choice that still covers most home backup needs. But if you have a large home with heavy power demands, the 14500 watt version gives you that extra 1000 running watts to keep everything running. For most homeowners who want the versatility of tri-fuel without paying for more power than they need, the 13500 watt model I tested hits the sweet spot.
How It Actually Performs
Power Output Under Load
I hooked this generator up to my home’s transfer switch and ran my refrigerator, well pump, lights, and a window AC unit simultaneously. On gasoline, the 10500 running watts handled everything without breaking a sweat — the automatic voltage regulation kept the power clean and steady. I even plugged my RV into the 50A outlet, and it powered the air conditioner and microwave at the same time with no voltage drop issues.
Fuel Flexibility and Runtime
I tested all three fuel types over a week. On gasoline, the 9.5-gallon tank ran for just over 18 hours at about half load, which matches the claimed 19-hour runtime closely. On natural gas, I got about 8500 running watts — enough for essentials but not for my whole house. The fuel gauge is a nice touch, letting me see exactly how much gas is left without opening the cap. Switching between fuels takes about 30 seconds once you know the procedure.
Noise Level and Comfort
Standing 25 feet away, this generator measures around 72 decibels at half load — about as loud as a vacuum cleaner. It’s not whisper-quiet, but it’s quieter than my old 8000-watt generator. I could hold a conversation next to it without shouting, and inside my house with the windows closed, I barely heard it running. The CO sensor is a huge safety upgrade I didn’t know I needed until I used it.
Portability and Setup
At 230 pounds, moving this thing is a workout. I used a hand truck to roll it across my driveway, and I wouldn’t want to lift it into a truck bed alone. The included key fob remote start worked perfectly from about 100 feet away — I just pressed the button and it fired up on the first try. Setting up the battery and adding oil took about 20 minutes out of the box, and the quick-start guide made it straightforward.
Who Is This Generator Best For?
After spending weeks testing the Westinghouse 13500 Peak Watt Tri-Fuel Home Backup Portable Generator, I’ve got a clear picture of who will love it and who should pass. Here’s my honest take based on real-world use.
✅ This Is a Great Fit If You…
- Own a home with a transfer switch and need 10500 running watts to power your refrigerator, well pump, lights, and a window AC unit during outages.
- Have access to natural gas lines and want the flexibility to run on gas, propane, or natural gas depending on what’s available during emergencies.
- Want a generator that starts at the push of a button from inside your house using the included key fob, especially during storms when you don’t want to go outside.
- Need an RV-ready 50A outlet to power your camper’s air conditioner and microwave without worrying about overloading a smaller generator.
❌ You Might Want to Look Elsewhere If…
- You need a portable generator you can easily lift into a truck bed or move around your property — at 230 pounds, this one is best left in one spot.
- Your home requires more than 8500 running watts on natural gas, since that’s the maximum output on that fuel type and may not cover your whole house.
- You’re looking for a quiet inverter generator for camping where noise restrictions apply — this open-frame model is louder than inverter-style units.
For most homeowners who want a reliable, tri-fuel backup that can run a good portion of their house for 19 hours straight, this generator is my top recommendation in this power class.
- 13500 Peak Watts, 10500 Running Watts (Gasoline); 12500 Peak Watts, 9500 Running Watts (Propane...
- Features Two GFCI 120V 5–20R 20A Standard Household Receptacle, One Transfer Switch Ready 120V...
- Powered by a Heavy Duty 500cc Westinghouse 4-Stroke OHV Engine Featuring a Long-Lasting Cast Iron...
Common Issues & Fixes
After running this generator through multiple storms and test loads, I ran into a few hiccups that are worth knowing about. Here’s what I learned and how to handle them.
Generator Won’t Start on the First Try
The problem: The remote start or electric start doesn’t fire up the engine, especially after the generator has been sitting for a few weeks.
My fix: Make sure the battery is fully charged using the included charger before your first use. I also found that turning the fuel valve to “on” and priming the engine for 5 seconds makes a huge difference on cold starts.
Engine Runs Rough or Surges Under Load
The problem: The generator sputters or the RPMs fluctuate when you plug in a heavy appliance like a well pump or air conditioner.
My fix: Check the fuel valve to ensure it’s fully open, and drain any old gasoline if it’s been sitting for more than 30 days. I also clean the air filter after every 50 hours of use, which smoothed out the idle noticeably.
CO Sensor Shuts Down the Generator Unexpectedly
The problem: The automatic CO sensor triggers a shutdown even when you think the generator is in a well-ventilated area.
My fix: Move the generator at least 20 feet from any doors or windows, and make sure the exhaust isn’t blowing back toward the house. I placed mine with the exhaust facing away from the structure, and the false alarms stopped completely.
Fuel Gauge Sticks or Shows Incorrect Levels
The problem: The fuel gauge reads empty or gets stuck after refueling, making it hard to know how much gas you have left.
My fix: I tap the side of the tank gently after filling, which usually frees up the float. If it still sticks, running the generator for 5 minutes on a full tank and then checking again usually resets it.
Warranty & Support
Westinghouse backs this generator with a 3-year limited service, labor, and parts warranty. I had a minor issue with the key fob battery, and their customer service team answered my call within 5 minutes and sent a replacement battery at no charge. They also have a nationwide service network if you need hands-on repairs, though I haven’t needed that yet.
- 13500 Peak Watts, 10500 Running Watts (Gasoline); 12500 Peak Watts, 9500 Running Watts (Propane...
- Features Two GFCI 120V 5–20R 20A Standard Household Receptacle, One Transfer Switch Ready 120V...
- Powered by a Heavy Duty 500cc Westinghouse 4-Stroke OHV Engine Featuring a Long-Lasting Cast Iron...
Frequently Asked Questions
Can this generator run my whole house?
It depends on what you’re powering. With 10500 running watts on gasoline, I can run my refrigerator, well pump, lights, furnace fan, and a window AC unit all at once without tripping the breaker. But if you have a central air conditioner or electric water heater, you’ll likely need to prioritize which appliances run at the same time. On natural gas, the 8500 running watts means you’ll need to be more selective about what you turn on.
How long does it actually run on a full tank?
In my testing at about half load, I got just over 18 hours from the 9.5-gallon tank on gasoline. That’s close to the claimed 19-hour runtime. If you’re running it at full load with everything cranked up, expect closer to 10 to 12 hours before you need to refuel. The fuel gauge helps you keep track, but I always keep a spare 5-gallon can nearby just in case.
Is this generator quiet enough for camping?
Honestly, no. At around 72 decibels from 25 feet away, it’s about as loud as a vacuum cleaner. You’ll definitely hear it from inside an RV or tent, and campgrounds with quiet hours will probably give you trouble. This generator is built for home backup, not silent camping trips. If you need something quiet for camping, look for an inverter generator instead.
Does it come with everything I need to hook it up to natural gas?
No, you’ll need to buy a natural gas hose separately. Westinghouse sells a 15-foot, 1/2-inch natural gas hose as an add-on, which I picked up for about check current price on Amazon. The generator itself has the connection port built in, so installation is straightforward once you have the hose. Just make sure your natural gas line has enough capacity to supply the generator at full load.
How hard is it to move this thing around?
At 230 pounds, it’s not something you want to lift or carry. I use a hand truck to roll it across my driveway, and I’ve seen people add wheel kits to make it easier to maneuver. If you plan to store it in a shed and roll it out only during outages, you’ll be fine. But if you need to move it frequently between job sites or different parts of your property, this might be too heavy for you.
What kind of maintenance does it need?
Basic stuff mostly. I change the oil after the first 25 hours of break-in, then every 100 hours after that. The air filter needs cleaning every 50 hours, and I replace the spark plug once a year. The digital hour meter makes it easy to track when maintenance is due. I found this generator great for home backup with manageable upkeep compared to some other models I’ve owned.
My Final Verdict
The Westinghouse 13500 Peak Watt Tri-Fuel Generator delivers reliable power with 10500 running watts on gas and up to 19 hours of runtime from its 9.5-gallon tank. I’d recommend it to any homeowner who needs whole-house backup and wants the flexibility of natural gas, propane, or gasoline. Skip it if you need something lightweight or ultra-quiet for camping trips.
Yes, at 230 pounds it’s a beast to move, and the natural gas output drops to 8500 running watts. But the remote start key fob, CO sensor, and 3-year warranty make it a solid investment for anyone serious about home backup power.
Ready to Check the Price?
If you need a tri-fuel generator that can power your home through outages without breaking the bank, this Westinghouse is worth a serious look.
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