
Comparing the DuroMax XP13000EH and Pulsar PG12000B dual-fuel generators. See how their wattage, runtime, weight, and warranty stack up for home backup use.
The DuroMax XP13000EH delivers 10,500 running watts and 13,000 starting watts, giving it a meaningful power advantage over the Pulsar PG12000B's 9,500 running watts and 12,000 starting watts. That extra 1,000 watts of running capacity can make a real difference when you're powering multiple large appliances during an outage, such as running a central air conditioner alongside a refrigerator, sump pump, and lights.
Both generators run on gasoline or propane, and both produce 74 dB of noise, so they're equally loud in operation. The Pulsar is lighter at 205 lbs compared to the DuroMax's 234 lbs, which could matter if you need to move the unit around frequently. At 50% load, the Pulsar offers 12 hours of runtime, while the DuroMax manages about 8 hours at the same load level, though the DuroMax stretches to 17 hours at 25% load, a figure Pulsar doesn't publish for comparison.
The DuroMax also comes with a 3-year warranty versus Pulsar's 2-year coverage, and it earns a higher overall score of 7.20 compared to the Pulsar's 6.36. Buyers who need maximum wattage and longer warranty protection will lean toward the DuroMax, while those who want a lighter, more affordable dual-fuel option with solid runtime may find the Pulsar fits their needs well.
Choose the DuroMax XP13000EH if you need a serious whole-home backup generator that can handle heavy electrical loads. With 10,500 running watts, it has enough capacity to power a central air conditioning unit (which can demand 3,000 to 5,000 watts on startup) while still leaving headroom for a refrigerator, freezer, well pump, and several lights or small appliances. If you live in an area prone to extended power outages from storms or ice, the 3-year warranty provides extra peace of mind. The 17-hour runtime at 25% load also means you can stretch fuel overnight when your power demands drop. The tradeoff is weight: at 234 lbs, this is not a generator you'll want to haul in and out of a truck bed regularly without a second pair of hands or a wheel kit.
Choose the Pulsar PG12000B if your power needs are slightly more modest or if budget is a primary concern. Its 9,500 running watts can still handle most home backup scenarios, including running a smaller AC unit, a fridge, and essential circuits. The 12-hour runtime at 50% load is actually quite competitive and means fewer fuel stops during a sustained outage. At 205 lbs, it's nearly 30 pounds lighter, making it a bit easier to position and transport. The Pulsar is also a reasonable pick for job sites where you need to power tools and equipment but don't require the absolute highest wattage tier. Just keep in mind the shorter 2-year warranty, which means less long-term coverage if something goes wrong.
If your priority is maximum power output and the ability to run the most demanding home appliances simultaneously, the DuroMax XP13000EH is the stronger choice. Its extra 1,000 running watts, longer warranty, and impressive 25% load runtime make it well suited for whole-home backup duty in regions where outages can last days.
If you want a capable dual-fuel generator that's a bit easier to move around and offers strong runtime at moderate loads, the Pulsar PG12000B is a solid contender, especially if its lower price point fits your budget better. Both generators share the same noise level and dual-fuel flexibility, so the decision really comes down to how much power you need and how much you value that extra year of warranty coverage.
Last updated March 14, 2026


| Specification | DuroMax XP13000EH | Pulsar PG12000B |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Dual-Fuel | Dual-Fuel |
| Inverter | No | No |
| Parallel capable | No | No |
| RV ready | Yes | No |
| Running watts | Winner: Winner: 10500 W | 9500 W |
| Starting watts | Winner: Winner: 13000 W | 12000 W |
| Noise (lower limit) | Winner: Winner: 74 dB | Winner: Winner: 74 dB |
| Weight | 234 lbs | Winner: Winner: 205 lbs |
| Run time @50% load | 8 h | Winner: Winner: 12 h |
| Run time @25% load | 17 h | Not available |
| Fuel tank | 8.3 gal | 8 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 29 x 30 x 26 | 28.5 x 21 x 22 |
| Electrical | ||
| Voltage (AC) | 120/240V 60 Hz | 120/240 |
| Voltage (DC) | 12 | 12 |
| GFCI outlets | Yes | No |
| Covered outlets | No | No |
| Automatic Voltage Regulation | Yes | Yes |
| THD | 12 % | Not available |
| Engine | ||
| Engine | 500 cc DuroMax OHV 4-stroke, cast iron sleeve | 457 cc OHV 4-stroke |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric | Recoil, Electric |
| Warranty | ||
| Warranty | 3 years | 2 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 10500 W | 9500 W |
| Starting watts | 13000 W | 12000 W |
| Running amps (120V) | Not available | Not available |
| Running amps (240V) | Not available | Not available |
| Peak amps (120V) | Not available | Not available |
| Peak amps (240V) | Not available | Not available |
| Run time @50% load | 8 h | 12 h |
| Run time @25% load | 17 h | Not available |
| Propane | Not available | Not available |
| Running watts | 9975 W | 8550 W |
| Starting watts | Not available | 10800 W |
| Running amps (120V) | Not available | Not available |
| Running amps (240V) | Not available | Not available |
| Peak amps (120V) | Not available | Not available |
| Peak amps (240V) | Not available | Not available |
| Run time @50% load | 3 h | 5 h |
| Run time @25% load | Not available | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | false |
| Compliance | CARB, EPA | CARB |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Not available | Not available |
| UPC | 811640015725 | 814726025021 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 10500 | 9500 |
| Running Watts (Propane) | 9975 | 8550 |
| Starting Watts (Gasoline) | 13000 | 12000 |
| Starting Watts (Propane) | Not available | 10800 |
| Runtime @ 50% Load (Gasoline) | 8 | 12 |
| Runtime @ 50% Load (Propane) | 3 | 5 |
| Runtime @ 25% Load (Gasoline) | 17 | Not available |
| AC Outlet Types | 1x Duplex 120V 20A (5-20R); 1x 120V 30A (L5-30R); 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R) | 2x Duplex 120V 20A (5-20R); 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke, cast iron sleeve | OHV 4-stroke |
| Engine Displacement | 500 | 457 |
| Cylinder Sleeve | cast iron sleeve | Not available |
| Alternator Winding Material | Copper | Not available |
| Engine Oil Type | 10W-30 | 10W-30 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 17 | Not available |
| Runtime @ 50% Load (Gasoline) | 8 | 12 |
| Runtime @ 50% Load (Propane) | 3 | 5 |
| Safety & compliance | ||
| Overload Protection System | Not available | Low oil and overload protection |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | No | No |
| Included equipment | ||
| Mobility Components | Yes | Not available |
| Included Accessories | Funnel, tool kit, propane hose, battery charging cables, battery, and wheel kit | Funnel, tool kit, propane hose, battery, and wheel kit |
| Warranty & identification | ||
| Residential Warranty | Not available | 2 |
| Commercial Warranty | 3 | 2 |
| Additional specs | ||
| Summary | The DuroMax XP13000EH is a 10,500-watt dual-fuel generator built to handle serious backup power demands. Running on gasoline or propane, it delivers enough sustained output to power multiple household appliances simultaneously, including refrigerators, water heaters, and air conditioning units during extended outages. The 13,000-watt peak capacity means it can start high-inrush devices like compressors and pumps without strain. This wattage class sits at the threshold between portable and semi-stationary power, making it suitable for homeowners who need whole-home backup rather than just essential circuits. | The Pulsar PG12000B is a 12,000-watt dual-fuel portable generator designed for reliable and robust power, featuring a 457cc OHV engine, electric push start, and a run time of up to 12 hours at 50% load. |