
Pulsar PG12000B vs DuroMax XP13000HX
Compare two dual-fuel open-frame generators: DuroMax adds more watts and a 5-year warranty, Pulsar is lighter with longer 50% runtime.
- DuroMax XP13000HX
- Pulsar PG12000B
Comparison Overview
The biggest separation is power and warranty: the DuroMax XP13000HX delivers 10,500 running watts and 13,000 starting watts with a 5-year warranty, while the Pulsar PG12000B provides 9,500 running watts and 12,000 starting watts with a 2-year warranty. If you are trying to start larger loads (well pump, bigger central AC, heavy shop tools), that extra surge and running capacity can matter.
Runtime and portability tilt the other way. At 50% load, the Pulsar is rated for 12 hours, compared with 8.5 hours for the DuroMax, which can mean fewer refuel stops during an outage. The Pulsar is also lighter at 205 lb versus 240 lb, still heavy, but a bit easier to move around a garage or driveway.
Noise is essentially a tie at 74 dB for both, and neither is an inverter generator, so they are better suited to home backup and job sites than quiet camping. Pick the DuroMax if you want more headroom and longer warranty coverage, or the Pulsar if longer mid-load runtime and slightly easier handling matter more.
Key takeaways
- DuroMax XP13000HX delivers 10,500 running watts and 13,000 starting watts.
- Pulsar PG12000B delivers 9,500 running watts and 12,000 starting watts.
- Pulsar PG12000B runs up to 12 hours at 50% load.
- DuroMax XP13000HX runs about 8.5 hours at 50% load, 17 hours at 25%.
- Both are rated 74 dB and are non-inverter open-frame designs.
- DuroMax includes a 5-year warranty, Pulsar includes a 2-year warranty.
Best use cases
Choose the Pulsar PG12000B if you want a strong dual-fuel home backup generator that prioritizes fewer refueling breaks at typical household loads. Its 12-hour runtime at 50% load is a practical advantage when you are running essentials like a refrigerator, freezer, lights, internet gear, and a sump pump for long stretches. It is also the easier of the two to reposition at 205 lb, which matters if you roll it out only during storms and store it the rest of the year. The tradeoff is less power headroom (9,500 running watts) and a shorter 2-year warranty, so it is not as confidence-inspiring if you expect frequent, heavy use.
Choose the DuroMax XP13000HX if your priority is maximum capacity and longer ownership coverage. With 10,500 running watts and 13,000 starting watts, it is the better fit when you are more likely to stack loads or start tougher motors, for example a well pump plus multiple appliances, or larger tools on a property or job site. The 5-year warranty is a big deal for buyers who want longer protection, especially if the generator will see regular use. The tradeoffs are weight (a hefty 240 lb) and a shorter 8.5-hour runtime at 50% load, so you may refuel more often during extended outages. Both are rated around 74 dB, so they are not ideal for quiet campgrounds or close neighbors, and since neither is an inverter, they are best for robust household and tool loads rather than noise-sensitive trips.
Verdict & recommendation
If your priority is higher output for starting and running bigger loads, the DuroMax XP13000HX is the safer pick, and the 5-year warranty adds peace of mind for long-term ownership. If your priority is longer run time at a realistic mid-load and slightly easier maneuvering, the Pulsar PG12000B makes day-to-day outage use simpler, especially when you are trying to avoid frequent refueling.
Both are loud, open-frame, non-inverter dual-fuel generators, so plan on outdoor placement, a proper transfer setup for home backup, and realistic expectations for noise. Choose based on whether you value extra wattage and warranty coverage (DuroMax) or longer 50% runtime and lighter weight (Pulsar).
Last updated March 5, 2026
| Specification | DuroMax XP13000HX | 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 | 240 lbs | Winner: Winner: 205 lbs |
| Run time @50% load | 8.5 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) | Not available | 12 |
| GFCI outlets | Yes | No |
| Covered outlets | No | No |
| Automatic Voltage Regulation | Yes | Yes |
| THD | Not available | Not available |
| Engine | ||
| Engine | 500 cc OHV 4-stroke, cast iron sleeve | 457 cc OHV 4-stroke |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric | Recoil, Electric |
| Warranty | ||
| Warranty | 5 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 | 8.5 h | 12 h |
| Run time @25% load | 17 h | Not available |
| Propane | Not available | Not available |
| Running watts | 9975 W | 8550 W |
| Starting watts | 12350 W | 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 | 3.2 h | 5 h |
| Run time @25% load | 6.5 h | 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 | 811640016234 | 814726025021 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 10500 | 9500 |
| Running Watts (Propane) | 9975 | 8550 |
| Starting Watts (Gasoline) | 13000 | 12000 |
| Starting Watts (Propane) | 12350 | 10800 |
| Runtime @ 50% Load (Gasoline) | 8.5 | 12 |
| Runtime @ 50% Load (Propane) | 3.2 | 5 |
| Runtime @ 25% Load (Gasoline) | 17 | Not available |
| Runtime @ 25% Load (Propane) | 6.5 | Not available |
| AC Outlet Types | 2x Duplex 120V 20A (5-20R) GFCI; 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 | Not available | 10W-30 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 17 | Not available |
| Runtime @ 50% Load (Gasoline) | 8.5 | 12 |
| Runtime @ 50% Load (Propane) | 3.2 | 5 |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection, CO monitoring | Low oil and overload protection |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | Yes | No |
| Included equipment | ||
| Starting Components | Recoil, Electric | Not available |
| Included Accessories | Funnel, tool kit, propane hose, battery, and wheel kit | Funnel, tool kit, propane hose, battery, and wheel kit |
| Warranty & identification | ||
| Residential Warranty | Not available | 2 |
| Commercial Warranty | 5 | 2 |
| Additional specs | ||
| Summary | The DuroMax XP13000HX is a 10,500-watt dual-fuel generator built to power job sites, home backup systems, and RV setups without compromise. Running on gasoline or propane, this unit delivers 13,000 peak watts, enough to start large air compressors, well pumps, and multiple power tools simultaneously. The 500cc OHV engine with cast iron sleeve handles sustained loads that would overwhelm smaller portables. At 74 decibels, it operates quietly enough for residential neighborhoods, though the 240-pound frame demands serious planning for transport and storage. | 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. |
- Most PowerfulDuroMax XP13000HX10500W running
- QuietestDuroMax XP13000HX74 dB
- Longest RuntimePulsar PG12000B12h at 50% load


