
Westinghouse WGen3600c vs DEWALT DXGNR4000
Comparing the Westinghouse WGen3600c and DEWALT DXGNR4000 portable generators. See how 3600 vs 4000 running watts, runtime, and weight stack up for your needs.
- DEWALT DXGNR4000
- Westinghouse WGen3600c
Comparison Overview
The DEWALT DXGNR4000 delivers 4000 running watts and 5000 starting watts, giving it a meaningful power advantage over the Westinghouse WGen3600c's 3600 running watts and 4650 starting watts. That extra 400 watts of continuous power can make a real difference when you're running multiple appliances or powering tools with high startup demands. Both are conventional (non-inverter) gasoline generators with identical 3-year warranties, so the core decision comes down to how much power you actually need versus how much weight and bulk you're willing to handle.
The Westinghouse WGen3600c weighs in at 106.1 lbs, roughly 13 pounds lighter than the DEWALT's 119 lbs. It also offers a notably longer runtime, lasting up to 14 hours at 25% load compared to the DEWALT's 10 hours at 50% load (the DEWALT's quarter-load runtime isn't published, but the Westinghouse clearly sips fuel more conservatively). At half load, the Westinghouse runs for 10.5 hours versus the DEWALT's 10 hours, keeping them close. The Westinghouse also registers at 68 dB, which is about what you'd expect from a conventional open-frame generator this size.
Buyers who want more headroom for larger loads will lean toward the DEWALT, while those who value fuel efficiency, lighter weight, and longer runtimes may find the Westinghouse a better fit.
Key takeaways
- DEWALT DXGNR4000 provides 4000 running watts and 5000 starting watts for heavier loads
- Westinghouse WGen3600c weighs 106.1 lbs, about 13 pounds lighter than the DEWALT
- Westinghouse runs up to 14 hours at 25% load for extended outage coverage
- Both carry identical 3-year warranties and run on gasoline
- Neither is an inverter generator, so both produce conventional AC power
- DEWALT offers 400 more running watts, ideal for job site or high-demand scenarios
Best use cases
Choose the Westinghouse WGen3600c if you need a reliable generator for moderate home backup duties or recreational use and want to keep weight manageable. At 106.1 lbs, it's easier to load into a truck bed or reposition around a campsite. Its 14-hour runtime at quarter load means you can stretch a tank of gas through most of the night during a power outage without refueling. With 3600 running watts, it can handle essentials like a refrigerator, lights, a sump pump, and phone chargers simultaneously. If your power needs are modest and you'd rather save a bit on fuel over long outages, this is the more practical pick.
Choose the DEWALT DXGNR4000 if you need that extra power ceiling for job site tools or heavier home backup loads. The 4000 running watts and 5000 starting watts give you more room to run a circular saw, air compressor, or a small window AC unit alongside other devices. DEWALT's reputation in the professional tool space also means this generator is built with contractors in mind, and it pairs naturally with an existing DEWALT tool ecosystem. The tradeoff is about 13 extra pounds and slightly shorter runtime at half load (10 hours versus 10.5).
Neither generator is an inverter model, so both produce conventional power that's fine for most appliances and tools but not ideal for sensitive electronics like laptops or medical devices without a surge protector. If clean power matters to you, you'd want to look at inverter generators instead. Both carry the same 3-year warranty, so long-term coverage is a wash. The real question is whether you'll consistently need that extra 400 watts the DEWALT provides, or whether the Westinghouse's lighter build and longer runtime better match your typical usage.
Verdict & recommendation
If your priority is maximizing available power for job site tools or running heavier household loads during outages, the DEWALT DXGNR4000's 4000 running watts give you more breathing room. If you value portability, fuel efficiency, and longer runtimes on a single tank, the Westinghouse WGen3600c is the more practical choice at nearly 13 pounds lighter and with a quarter-load runtime of 14 hours.
Both generators share the same warranty length, the same fuel type, and a similar conventional design. The price difference at the time of purchase may tip the scales for budget-conscious buyers, so it's worth checking current retail pricing. For most homeowners handling occasional outages, the Westinghouse covers the essentials comfortably. For contractors or anyone who regularly pushes closer to 4000 watts, the DEWALT earns its extra weight.
Last updated March 16, 2026
| Specification | DEWALT DXGNR4000 | Westinghouse WGen3600c |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Gasoline | Gasoline |
| Inverter | No | No |
| Parallel capable | No | No |
| RV ready | No | Yes |
| Running watts | Winner: Winner: 4000 W | 3600 W |
| Starting watts | Winner: Winner: 5000 W | 4650 W |
| Noise (lower limit) | 0 dB | Winner: Winner: 68 dB |
| Weight | 119 lbs | Winner: Winner: 106.1 lbs |
| Run time @50% load | 10 h | Winner: Winner: 10.5 h |
| Run time @25% load | Not available | 14 h |
| Fuel tank | 3.4 gal | 4 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 23.7 x 23 x 21.4 | 23.3 x 22.8 x 21.3 |
| Electrical | ||
| Voltage (AC) | 120 | 120 |
| Voltage (DC) | Not available | Not available |
| GFCI outlets | Yes | No |
| Covered outlets | Yes | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | Not available | 23 % |
| Engine | ||
| Engine | 223 cc OHV 4-stroke | 212 cc OHV 4-stroke, cast iron sleeve. |
| Alternator | Not available | Not available |
| Starting system | Recoil | Recoil |
| Warranty | ||
| Warranty | 3 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 4000 W | 3600 W |
| Starting watts | 5000 W | 4650 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 | 10 h | 10.5 h |
| Run time @25% load | Not available | 14 h |
| Other | ||
| Data center | Not available | Not available |
| Indicators | false | false |
| Compliance | CARB | CARB, EPA |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | true | Not available |
| UPC | 696471075809 | 850011336892 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 4000 | 3600 |
| Starting Watts (Gasoline) | 5000 | 4650 |
| Runtime @ 50% Load (Gasoline) | 10 | 10.5 |
| Runtime @ 25% Load (Gasoline) | Not available | 14 |
| AC Outlet Types | 2x Duplex 120V 20A (5-20R) GFCI; 1x 120V 30A (L5-30R) | 1x Duplex 120V 20A (5-20R) 1x 120V 30A (L5-30R) 1x 120V 30A (TT-30R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke | OHV 4-stroke |
| Engine Displacement | 223 | 212 |
| Cylinder Sleeve | Not available | cast iron sleeve |
| Engine Oil Type | Not available | SAE 10W-30 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | Not available | 14 |
| Runtime @ 50% Load (Gasoline) | 10 | 10.5 |
| 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 | Yes |
| Included equipment | ||
| Starting Components | Not available | Recoil |
| Included Accessories | Oil, funnel, and wheel kit | Oil, funnel, tool kit, and wheel kit |
| Warranty & identification | ||
| Commercial Warranty | Not available | 3 |
| Part Number | PMC164000 | Not available |
| Additional specs | ||
| Summary | The DEWALT DXGNR4000 is a 4000-watt gasoline generator built around a 223cc OHV 4-stroke engine. This wattage class sits at the threshold between household backup and light job site work. At 4000 running watts, it can power a refrigerator, sump pump, and several lights simultaneously during an outage, or run circular saws and air compressors on a construction site, but not both at full capacity. The 5000-watt peak handles motor startup surges, which matters when appliances draw 20 to 30 percent more current at the moment they turn on.
The DXGNR4000 targets users who need portability without sacrificing power. A 3.4-gallon fuel tank delivers 10 hours of runtime at half load, meaning a full tank gets you through a night of backup power or a full workday on site. The recoil start requires physical effort to fire up, but it eliminates the complexity and cost of electric ignition. DEWALT backs this unit with a three-year warranty, signaling confidence in the engine and electrical components. | The Westinghouse WGen3600c is a portable gas generator delivering 4,650 peak watts and 3,600 running watts, designed for home backup, RV use, and outdoor adventures. |
- Most PowerfulDEWALT DXGNR40004000W running
- QuietestWestinghouse WGen3600c68 dB
- Longest RuntimeWestinghouse WGen3600c10.5h at 50% load


