
DuroMax XP13000EH vs Pulsar G12KBN
Comparing the DuroMax XP13000EH and Pulsar G12KBN dual-fuel generators. See how 10,500 vs 9,500 running watts, weight, warranty, and runtime stack up.
- DuroMax XP13000EH
- Pulsar G12KBN
Comparison Overview
The DuroMax XP13000EH delivers 10,500 running watts and 13,000 starting watts, giving it a meaningful power advantage over the Pulsar G12KBN'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 simultaneously during an outage or running heavy equipment on a job site.
Both generators run on gasoline or propane, and both produce 74 dB of noise, so neither has an edge in fuel flexibility or sound levels. The Pulsar G12KBN is lighter at 209 lbs compared to the DuroMax's 234 lbs, which matters if you need to move the unit around regularly. At 50% load, the Pulsar offers 12 hours of runtime versus the DuroMax's 8 hours, though the DuroMax stretches to 17 hours at 25% load, a figure Pulsar doesn't publish for comparison.
One significant difference is warranty coverage. DuroMax backs the XP13000EH with a 3-year warranty, while Pulsar provides just 1 year. For a machine you may rely on during emergencies, that extra peace of mind matters. Buyers who prioritize raw power output and long-term protection will lean toward the DuroMax, while those looking for a lighter, potentially more affordable option with solid runtime may find the Pulsar appealing.
Key takeaways
- DuroMax XP13000EH provides 10,500 running watts versus Pulsar's 9,500 running watts
- Pulsar G12KBN is 25 pounds lighter at 209 lbs, improving portability
- DuroMax includes a 3-year warranty compared to Pulsar's 1-year coverage
- Both generators operate at 74 dB and offer dual-fuel capability
- Pulsar delivers 12 hours of runtime at 50% load, outpacing DuroMax's 8 hours
- DuroMax reaches 17 hours of runtime at 25% load for light overnight use
Best use cases
Choose the DuroMax XP13000EH if you need a home backup generator that can handle your most demanding loads. With 10,500 running watts, it can comfortably power a central air conditioning unit alongside a refrigerator, sump pump, lights, and other essentials without breaking a sweat. It's also a strong pick for job sites where you're running power tools, welders, or compressors that draw heavy startup current, since 13,000 starting watts gives you a generous cushion. The 3-year warranty is another reason to choose this model if you want confidence that the manufacturer stands behind the product. If you plan to keep the generator loaded lightly for extended periods, the 17-hour runtime at 25% load is excellent for overnight use during storms.
Choose the Pulsar G12KBN if your power needs are slightly more modest and you value portability and runtime efficiency. At 209 lbs, it's 25 pounds lighter than the DuroMax, which makes a noticeable difference when loading it into a truck bed or repositioning it around a property. The 12-hour runtime at 50% load is impressive and means fewer refueling interruptions during extended outages. If you're powering a smaller home, an RV setup, or running a handful of appliances and tools rather than a full household, 9,500 running watts is still a substantial amount of power. Just keep in mind that the 1-year warranty is considerably shorter, so you're accepting more risk if something goes wrong after the first year.
Both generators share dual-fuel capability, letting you switch to propane when gasoline is scarce. Neither is an inverter generator, so sensitive electronics like laptops should be plugged in through a surge protector or UPS.
Verdict & recommendation
If your priority is maximum power output and long-term reliability backed by a solid warranty, the DuroMax XP13000EH is the stronger choice. Its extra 1,000 running watts and 3-year warranty make it better suited for whole-home backup and demanding job site applications. If you'd rather save some weight, get longer runtime at moderate loads, and your power demands fall comfortably within 9,500 watts, the Pulsar G12KBN is a capable and practical alternative.
Both are conventional dual-fuel generators at similar noise levels, so the decision really comes down to how much power you need and how much value you place on warranty coverage. For buyers who want the bigger safety margin in watts and manufacturer support, the DuroMax earns the edge. For those with lighter loads and tighter budgets, the Pulsar gets the job done.
Last updated March 14, 2026
| Specification | DuroMax XP13000EH | Pulsar G12KBN |
|---|---|---|
| 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: 209 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 21.8 x 22.2 |
| Electrical | ||
| Voltage (AC) | 120/240V 60 Hz | 120/240V 60 Hz |
| 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 Ducar OHV 4-stroke |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric | Recoil, Electric |
| Warranty | ||
| Warranty | 3 years | 1 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 | Not available |
| 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 | true |
| Compliance | CARB, EPA | CARB, EPA |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Not available | Not available |
| UPC | 811640015725 | 814726024598 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 10500 | 9500 |
| Running Watts (Propane) | 9975 | 8550 |
| Starting Watts (Gasoline) | 13000 | 12000 |
| 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 | Ducar 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 | 10W30 |
| 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 | ||
| Commercial Warranty | 3 | 1 |
| Part Number | Not available | G12KBN-SG |
| 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 G12KBN is a 12,000-watt dual-fuel portable generator designed for versatility and reliability, offering both gasoline and propane fuel options, making it suitable for various power needs. |
- Most PowerfulDuroMax XP13000EH10500W running
- QuietestDuroMax XP13000EH74 dB
- Longest RuntimePulsar G12KBN12h at 50% load


