
DuroMax XP12000HX vs DuroStar DS13000MX
Comparing the DuroMax XP12000HX and DuroStar DS13000MX dual-fuel generators. See which high-power portable generator fits your home backup or job site needs.
- DuroMax XP12000HX
- DuroStar DS13000MX
Comparison Overview
These two dual-fuel generators from sibling brands sit remarkably close in overall capability, but the DuroStar DS13000MX edges ahead on raw power with 10,500 running watts and 13,000 starting watts compared to the DuroMax XP12000HX'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.
Despite producing more power, the DS13000MX is actually lighter at 209 lbs versus the XP12000HX's 230 lbs, which is a notable advantage when it comes to transport and positioning. Both units produce the same 74 dB noise level, so neither has an edge in terms of sound. Where the XP12000HX fights back is in runtime and warranty. It delivers 19 hours at 25% load compared to the DS13000MX's 17 hours, and it comes with a 5-year warranty versus just 3 years for the DuroStar.
Buyers who prioritize long-term peace of mind and fuel efficiency may lean toward the XP12000HX, while those who need maximum wattage in a slightly lighter package will find the DS13000MX more appealing.
Key takeaways
- DuroStar DS13000MX delivers 10,500 running watts, 1,000 more than the XP12000HX
- DuroMax XP12000HX offers 19 hours runtime at 25% load versus 17 hours for the DS13000MX
- DuroMax XP12000HX includes a 5-year warranty compared to DuroStar's 3-year coverage
- DuroStar DS13000MX weighs 209 lbs, a full 21 lbs lighter than the XP12000HX
- Both generators produce 74 dB of noise and support dual-fuel operation
Best use cases
Choose the DuroMax XP12000HX if you want a dependable home backup generator with excellent runtime and strong warranty coverage. Its 19 hours of runtime at 25% load means you can stretch a single tank of fuel through a long overnight power outage without refueling, which is a genuine comfort during storms or winter emergencies. The 5-year warranty also provides extra confidence for homeowners who plan to store the generator for months between uses and want assurance it will perform when called upon. With 9,500 running watts, it still has plenty of capacity to handle a refrigerator, sump pump, furnace blower, lights, and a window AC unit at the same time. If your power needs are more about reliability over long stretches than absolute peak output, this is the better fit.
Choose the DuroStar DS13000MX if your demands lean toward higher simultaneous loads. The 10,500 running watts give you meaningful headroom to power larger central air conditioning systems, multiple power tools on a construction site, or a combination of high-draw appliances that would push the XP12000HX closer to its limits. At 209 lbs, it is also 21 pounds lighter, which matters when loading it onto a truck bed or repositioning it around a work area. The tradeoff is a shorter 3-year warranty and slightly less runtime per tank (17 hours at 25% load versus 19). If you are a contractor or a homeowner with a larger house and heavier electrical demands, the extra wattage is likely worth those compromises.
Both generators run on gasoline or propane, giving you fuel flexibility during emergencies when one fuel type may be hard to find. Neither is an inverter generator, so sensitive electronics like laptops should be plugged in through a surge protector.
Verdict & recommendation
If your priority is maximum wattage and a lighter unit for job sites or powering a larger home, the DuroStar DS13000MX's 10,500 running watts and 209-lb frame make it the stronger pick. If you value longer runtime per tank and a more generous warranty for peace of mind during seasonal emergencies, the DuroMax XP12000HX's 19-hour runtime and 5-year coverage give it a clear advantage in that department.
Both generators share the same noise level, dual-fuel flexibility, and conventional (non-inverter) design, so the decision really comes down to whether you need more power or more endurance. For most homeowners with moderate backup needs, the XP12000HX offers a well-rounded package. For those with heavier loads or professional use, the DS13000MX delivers more capability per pound.
Last updated March 28, 2026
| Specification | DuroMax XP12000HX | DuroStar DS13000MX |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Dual-Fuel | Dual-Fuel |
| Inverter | No | No |
| Parallel capable | No | No |
| RV ready | Yes | Yes |
| Running watts | 9500 W | Winner: Winner: 10500 W |
| Starting watts | 12000 W | Winner: Winner: 13000 W |
| Noise (lower limit) | Winner: Winner: 74 dB | Winner: Winner: 74 dB |
| Weight | 230 lbs | Winner: Winner: 209 lbs |
| Run time @50% load | Winner: Winner: 9 h | 8.5 h |
| Run time @25% load | 19 h | 17 h |
| Fuel tank | 8.3 gal | 8.3 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 29 x 30 x 26 | 29.8 x 27.5 x 25.8 |
| Electrical | ||
| Voltage (AC) | 120/240 | 120/240 |
| Voltage (DC) | Not available | Not available |
| GFCI outlets | Yes | Yes |
| Covered outlets | No | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | Not available | Not available |
| Engine | ||
| Engine | 457 cc OHV 4-stroke, cast iron sleeve | 500 cc OHV 4-stroke, cast iron sleeve |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric | Recoil, Electric, Remote |
| Warranty | ||
| Warranty | 5 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 9500 W | 10500 W |
| Starting watts | 12000 W | 13000 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 | 9 h | 8.5 h |
| Run time @25% load | 19 h | 17 h |
| Propane | Not available | Not available |
| Running watts | 9025 W | 9975 W |
| Starting watts | 11400 W | 12350 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 | 3.5 h | 3.3 h |
| Run time @25% load | 7 h | 6.5 h |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | true |
| Compliance | CARB, EPA | EPA, ANSI/PGMA G300-2023 |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Not available | true |
| UPC | 811640016227 | 811640016746 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 9500 | 10500 |
| Running Watts (Propane) | 9025 | 9975 |
| Starting Watts (Gasoline) | 12000 | 13000 |
| Starting Watts (Propane) | 11400 | 12350 |
| Runtime @ 50% Load (Gasoline) | 9 | 8.5 |
| Runtime @ 50% Load (Propane) | 3.5 | 3.3 |
| Runtime @ 25% Load (Gasoline) | 19 | 17 |
| Runtime @ 25% Load (Propane) | 7 | 6.5 |
| AC Outlet Types | 2x 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 | OHV 4-stroke, cast iron sleeve |
| Engine Displacement | 457 | 500 |
| Cylinder Sleeve | Cast iron sleeve | Cast iron sleeve |
| Alternator Winding Material | Copper windings | Copper windings |
| Engine Oil Type | Not available | 10W-30 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 19 | 17 |
| Runtime @ 50% Load (Gasoline) | 9 | 8.5 |
| Runtime @ 50% Load (Propane) | 3.5 | 3.3 |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Low oil and overload protection, CO monitoring |
| Low Oil Protection | Yes | No |
| Carbon Monoxide Monitoring | Yes | Yes |
| Included equipment | ||
| Starting Components | Recoil, Electric | Recoil, Electric, Remote |
| Included Accessories | Funnel, tool kit, propane hose, battery, and wheel kit | Funnel, tool kit, key fob, battery charger, propane hose, battery, and wheel kit |
| Warranty & identification | ||
| Residential Warranty | 5 | Not available |
| Commercial Warranty | 5 | 3 |
| Additional specs | ||
| Summary | The DuroMax XP12000HX is a 9,500-watt dual-fuel generator built for job sites, home backup, and RV use. Its 12,000-watt peak capacity handles the startup surge of air conditioners, compressors, and welders, while the 9,500-watt running output sustains multiple heavy tools or household circuits simultaneously. Gasoline delivers 19 hours of runtime at quarter load, making this unit suitable for extended outages or multi-day events without constant refueling.
The dual-fuel design means users can switch between gasoline and propane depending on fuel availability and storage constraints. On propane at 25% load, runtime drops to 7 hours, trading endurance for cleaner emissions and longer shelf life. The 457 cc cast iron engine is built for durability on job sites where generators take abuse. This is a stationary workhorse, not a portable grab-and-go unit. | The DuroStar DS13000MX is a dual-fuel generator with a rated wattage of 10500 watts and a peak wattage of 13000 watts. It features a 500 cc OHV 4-stroke engine and is designed for versatile power needs. |
- Most PowerfulDuroStar DS13000MX10500W running
- QuietestDuroMax XP12000HX74 dB
- Longest RuntimeDuroMax XP12000HX9h at 50% load


