Need a Generator That Won't Quit When the Stakes Are Highest? A power outage at the wrong moment doesn't just kill the lights. It spoils food, shuts down medical equipment, and brings a job site to a dead halt. The longer it drags on, the more it costs you - in money, in productivity, and in stress you didn't need. Running out of fuel options makes it worse. Gasoline shortages after a major storm are real. If your generator only runs on one fuel, you're stuck. That's not a risk worth taking. The Pulsar PG12000B is built for exactly this situation. It's a dual-fuel workhorse delivering 12,000 peak watts on gasoline and 10,800 peak watts on propane, with the flexibility to switch between fuels while the engine is running. This is serious portable power, backed by a 457cc OHV engine, CARB-approved for California and other regulated states. 12,000W peak / 9,500W rated on gasoline - enough output to run a central AC unit, a sump pump, a refrigerator, and multiple appliances simultaneously. Switch & Go technology - flip between gasoline and propane on the fly, without shutting the generator down, so you're never stuck without power if one fuel supply runs low. Up to 12 hours of runtime on a full 8-gallon tank at 50% load, meaning you get through a full day and into the night without stopping to refuel. Electric push-button start with recoil backup, so startup is fast and effortless, even in stressful situations or cold weather. CARB approved, so it meets the strictest emissions standards in the country and can be legally operated in California and other regulated markets. 10-inch never-flat wheels and folding handles make repositioning this generator across a job site or around your property straightforward, even for one person. Pulsar PG12000B Features and Performance The engine at the heart of the PG12000B is a 457cc, overhead-valve (OHV), air-cooled single-cylinder. OHV design means cooler running temperatures, better fuel efficiency, and longer engine life compared to older side-valve configurations. This isn't an underpowered unit dressed up with big wattage numbers. The rated output of 9,500 watts on gasoline is what you can actually lean on continuously. The outlet panel is genuinely versatile. You get four 120V household outlets for standard appliances and power tools, one 120/240V twist-lock outlet for hardwired connections, one 120/240V 50-amp RV outlet for direct RV hookups, and one 12V DC output for charging batteries or running DC accessories. The 3-in-1 digital meter keeps you informed about voltage, frequency, and hours of operation at a glance. Switch & Go is the feature that separates the PG12000B from single-fuel competitors. Most dual-fuel generators require a shutdown to switch fuels. This one doesn't. You toggle while the engine runs, keeping power flowing to whatever it's running. For a job site, a home backup situation, or an outdoor event that can't go dark, that continuous operation capability matters. Ready to stop dealing with generators that leave you guessing? Add the Pulsar PG12000B to your cart and get reliable dual-fuel power with the specs to handle it all. Who Is the Pulsar PG12000B Built For? This generator covers a wide range of serious power needs. Here's where it performs best: Whole-home emergency backup: Run your refrigerator, HVAC system, well pump, lights, and electronics simultaneously during extended outages. At 9,500 rated watts, you have the headroom to manage a household without compromise. Job sites: Contractors running table saws, compressors, angle grinders, and site lighting at the same time need a generator with real continuous wattage. The PG12000B delivers it. RV and outdoor events: The 50-amp RV outlet makes direct connection to large RVs and fifth-wheels straightforward. The runtime and dual-fuel flexibility mean you're not scrambling for gas at remote campgrounds. Rural properties: When you're far from the grid and a repair outage could last days, having both gasoline and propane as fuel options gives you redundancy you can count on. If any of these scenarios describe your situation, the PG12000B is designed specifically for you. Talk to our power specialists if you'd like help confirming it fits your setup before you order. Why the Pulsar PG12000B Outperforms a Single-Fuel Generator at This Output Level At the 12,000-watt peak class, you'll find plenty of gasoline-only options. So why choose dual fuel? Fuel flexibility is insurance. Gasoline is the first thing to disappear from gas stations after a major storm or regional emergency - exactly when you need your generator most. Propane stores indefinitely in standard tanks, doesn't degrade like gasoline, and is available year-round at most hardware stores and propane suppliers. Owning a generator that runs on both means you always have a fallback. Pulsar has been producing power equipment for over two decades. The PG12000B reflects that track record with features like the CARB-approved engine, never-flat wheel system, and Switch & Go capability that most entry-level alternatives skip. The 3-in-1 digital meter, multiple outlet configurations, and electric start are standard on this unit, not upsells. If you're comparing this to an open-frame gasoline generator with similar peak wattage, ask whether it can run on propane, whether it starts with a button press, and whether it's CARB legal. The PG12000B checks all three. Pulsar PG12000B Full Specifications Specification Detail Model Pulsar PG12000B Peak Wattage (Gasoline) 12,000W Rated Wattage (Gasoline) 9,500W Peak Wattage (Propane/LPG) 10,800W Rated Wattage (Propane/LPG) 8,550W Engine Displacement 457cc Engine Type OHV, Air-Cooled Fuel Type Gasoline / Propane (LPG) Fuel Tank Capacity 8 Gallons Runtime at 50% Load Up to 12 Hours Start Type Electric Push Start / Recoil Backup Outlets (4) 120V AC, (1) 120/240V Twist-Lock, (1) 120/240V 50A RV, (1) 12V DC Switch & Go Technology Yes - Fuel Switch While Running Display 3-in-1 Digital Meter (Voltage, Frequency, Hour) Wheel Kit 10-Inch Never-Flat Wheels Handles Drop-Down / Folding Emissions Compliance CARB Approved Frequently Asked Questions About the Pulsar PG12000B How long will the Pulsar PG12000B run on a full tank of gas? The PG12000B runs up to 12 hours on its 8-gallon fuel tank at 50% load. Actual runtime will vary based on the load connected. At heavier loads, plan for shorter intervals between refuels. Can I really switch the PG12000B from gasoline to propane while it's running? Yes. That's exactly what Switch & Go is designed for. You can toggle between gasoline and propane without shutting the engine down, so connected loads stay powered through the switch. This is a meaningful advantage during extended outages when one fuel source may run low. Is the Pulsar PG12000B powerful enough to run central air conditioning? Most central AC systems require between 3,500 and 6,000 starting watts and 1,500 to 3,500 running watts, depending on the tonnage. At 12,000 peak watts and 9,500 rated watts on gasoline, the PG12000B has the capacity to start and run most residential central AC units while simultaneously powering other household circuits. Check your specific unit's nameplate for starting and running watts to confirm. Does the Pulsar PG12000B work in California? Yes. The PG12000B is CARB approved, meaning it meets the California Air Resources Board's stringent emissions standards. It can be legally sold and operated in California and other states that follow CARB regulations. What size propane tank do I need to run the PG12000B on LPG? A standard 20-pound propane tank (the kind used for gas grills) will work for shorter runtimes, but most users running the PG12000B for extended backup power connect to a larger 100-pound cylinder or a permanently installed propane tank. Larger tanks deliver longer runtimes without the need to swap cylinders. Consult a propane supplier for sizing guidance based on your expected load and duration. Is the 50-amp outlet on the PG12000B compatible with large RVs? The PG12000B includes a 120/240V 50-amp RV outlet, which is the standard connection for large Class A and Class C motorhomes as well as many fifth-wheel trailers. Verify your RV's shore power inlet type before connecting. Still have questions? Contact our power specialists before you order. Warranty and Support Pulsar backs the PG12000B with a 3-Year Limited manufacturer's warranty covering defects in materials and workmanship. For full warranty terms, including coverage periods and claim procedures, refer to the documentation included with the unit or contact Pulsar directly. Buying from a reputable source matters. When you purchase through Mighty Generators, you're working with a power equipment specialist - not a general-merchandise marketplace. Our team knows this product, and we're here to answer technical questions before and after your purchase. Order the Pulsar PG12000B today and get reliable dual-fuel power delivered to your door.
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