
DEWALT DXGNR8000 vs Powermate PM9400E
Compare DEWALT DXGNR8000 and Powermate PM9400E: 8000W vs 7500W output, similar weight, longer runtime on Powermate for home backup.
- DEWALT DXGNR8000
- Powermate PM9400E
Comparison Overview
DEWALT’s DXGNR8000 leads on raw output, delivering 8000 running watts and 10000 starting watts, while the Powermate PM9400E comes in at 7500 running watts and 9400 starting watts. That extra surge headroom on the DEWALT can matter for harder-starting loads like well pumps, larger air compressors, or a fridge plus additional appliances kicking on at once.
Runtime is where the Powermate tends to look more practical for longer stretches. It’s rated for 10 hours at 50% load (and 13 hours at 25%), versus 9 hours at 50% load for the DEWALT. If you expect overnight runs or fewer refueling stops during an outage, that difference can be noticeable.
They’re both traditional, non-inverter gasoline generators, so you should expect louder operation than inverter models and power that is better suited to tools and essentials than sensitive electronics. Weight is also very close at 183 lb for DEWALT and 188 lb for Powermate, and both include a 3-year warranty. Pick DEWALT if you want the higher peak power margin, or Powermate if longer runtime per fill is the bigger day-to-day advantage.
Key takeaways
- DEWALT DXGNR8000 delivers 8000 running watts and 10000 starting watts.
- Powermate PM9400E provides 7500 running watts and 9400 starting watts.
- Powermate runs up to 10 hours at 50% load, 13 hours at 25%.
- DEWALT is rated 9 hours runtime at 50% load.
- Both are gasoline, non-inverter generators with a 3-year warranty.
- Both are heavy open-frame units, 183 lb DEWALT and 188 lb Powermate.
Best use cases
Choose the DEWALT DXGNR8000 if you want the most breathing room for starting loads and heavier tool use. With 10000 starting watts, it’s a better fit when you might run a larger air compressor, table saw, or multiple job site tools that can spike at startup. For home backup, that extra surge can also help with a well pump or sump pump cycling on while other essentials are already running. The tradeoff is that its published runtime is a bit shorter at 9 hours at 50% load, so you may refuel a little more often during longer outages.
Choose the Powermate PM9400E if your priority is stretching fuel and keeping things running longer between fill-ups. Its 10 hours at 50% load (and 13 hours at 25%) is a real-world convenience for overnight coverage, longer outage days, or situations where you want fewer interruptions. It still has plenty of capability at 7500 running watts and 9400 starting watts for typical home essentials like a refrigerator, lights, fans, a microwave used one at a time, and battery charging, as long as you manage big loads thoughtfully.
For camping, RV use, or tailgating, neither is ideal because both are open-frame, non-inverter units and quite heavy (around 185 lb). If you do use either recreationally, plan on keeping it farther from neighbors and using a heavy-duty extension setup, and consider a smaller inverter generator if quiet operation is a top priority.
Verdict & recommendation
If your priority is maximum starting power for demanding tools or motor loads, the DEWALT DXGNR8000 is the safer pick thanks to 10000 starting watts and 8000 running watts. If your priority is longer run time and fewer refueling stops during extended outages, the Powermate PM9400E has the edge with 10 hours at 50% load and 13 hours at 25% load.
Because both are gasoline, non-inverter generators with similar weight and the same 3-year warranty, the decision mostly comes down to whether you value extra surge capacity (DEWALT) or longer endurance per tank (Powermate). Match the generator to your heaviest starting load and how long you expect to run it between refuels, and you’ll be happy with either approach.
Last updated March 8, 2026
| Specification | DEWALT DXGNR8000 | Powermate PM9400E |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Gasoline | Gasoline |
| Inverter | No | No |
| Parallel capable | No | No |
| RV ready | No | No |
| Running watts | Winner: Winner: 8000 W | 7500 W |
| Starting watts | Winner: Winner: 10000 W | 9400 W |
| Noise (lower limit) | 0 dB | 0 dB |
| Weight | Winner: Winner: 183 lbs | 188 lbs |
| Run time @50% load | 9 h | Winner: Winner: 10 h |
| Run time @25% load | Not available | 13 h |
| Fuel tank | 7.5 gal | 8 gal |
| Fuel gauge | No | Yes |
| Approx. dimensions (L × W × H) | 27.3 x 27.4 x 28.5 | 31 x 27 x 26.4 |
| Electrical | ||
| Voltage (AC) | 120/240 | 120/240 |
| Voltage (DC) | Not available | Not available |
| GFCI outlets | Yes | Yes |
| Covered outlets | Yes | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | Not available | Not available |
| Engine | ||
| Engine | Dewalt OHV 4-stroke, 420 cc | 420 cc OHV 4-stroke |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric | Recoil, Electric |
| Warranty | ||
| Warranty | 3 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 8000 W | 7500 W |
| Starting watts | 10000 W | 9400 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 | 10 h |
| Run time @25% load | Not available | 13 h |
| Other | ||
| Data center | Not available | Not available |
| Indicators | false | false |
| Compliance | CARB, EPA | EPA |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | true | true |
| UPC | 696471074536 | 696471077827 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 8000 | 7500 |
| Starting Watts (Gasoline) | 10000 | 9400 |
| Runtime @ 50% Load (Gasoline) | 9 | 10 |
| Runtime @ 25% Load (Gasoline) | Not available | 13 |
| AC Outlet Types | 2x Duplex 120V 20A (5-20R); 1x 120/240V 30A (L14-30R) | 2x Duplex 120V 20A (5-20R) GFCI; 1x 120/240V 30A (L14-30R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke | OHV 4-stroke |
| Engine Displacement | 420 | 420 |
| Engine Oil Type | Not available | 10W-30 / SAE 30 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | Not available | 13 |
| Runtime @ 50% Load (Gasoline) | 9 | 10 |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Low oil and overload protection |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | Yes | No |
| Included equipment | ||
| Starting Components | Not available | Oil, battery charger, battery, and wheel kit |
| Included Accessories | Oil, battery charger, battery, and wheel kit | Oil, battery charger, battery, and wheel kit |
| Warranty & identification | ||
| Commercial Warranty | 3 | Not available |
| Part Number | DXGNR8000E | Not available |
| Additional specs | ||
| Summary | The DEWALT DXGNR8000 is an 8,000-watt gasoline generator built for job sites and temporary power needs. Its dual-voltage output and heavy-duty construction handle both household circuits and professional equipment, making it suitable for contractors and homeowners managing extended outages or remote work. | The Powermate PM9400E is a portable generator offering 9,400 starting watts and 7,500 running watts, equipped with a Generac 420cc OHV engine and an 8-gallon fuel tank, providing up to 13 hours of runtime at 25% load. |
- Most PowerfulDEWALT DXGNR80008000W running
- QuietestdB
- Longest RuntimePowermate PM9400E10h at 50% load


