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DEWALT DXGNR4000 vs Westinghouse WGen5300sc

DEWALT DXGNR4000 vs Westinghouse WGen5300sc

Comparing the DEWALT DXGNR4000 (4000W) and Westinghouse WGen5300sc (5300W). See which gasoline generator fits your power needs, budget, and use case.

  • DEWALT DXGNR4000
  • Westinghouse WGen5300sc

Comparison Overview

Analysis by AJ Quick
Mechanical engineer and founder of RightGenerator

The biggest difference between these two conventional generators is raw power output. The Westinghouse WGen5300sc delivers 5300 running watts and 6600 starting watts, giving it a significant edge over the DEWALT DXGNR4000's 4000 running watts and 5000 starting watts. That extra 1300 running watts opens the door to powering larger appliances simultaneously, making the Westinghouse a more capable home backup option during outages.

Both units run on gasoline and are non-inverter generators, so neither is ideal for sensitive electronics without additional surge protection. The Westinghouse runs for about 14.5 hours at 25% load and 11 hours at half load, while the DEWALT manages roughly 10 hours at half load. The Westinghouse does produce a measured 68 dB of noise, which is about as loud as a normal conversation from a few feet away. DEWALT's noise level isn't listed, but conventional generators in this class typically fall in a similar range.

Weight is comparable, with the DEWALT coming in at 119 lbs and the Westinghouse at roughly 134 lbs. Both carry a 3-year warranty. Buyers who need moderate, portable power for a job site may lean toward the lighter DEWALT, while those prioritizing higher wattage for home backup or running multiple tools will find the Westinghouse more capable.

Key takeaways

  • Westinghouse WGen5300sc provides 5300 running watts, 1300 more than the DEWALT's 4000
  • DEWALT DXGNR4000 weighs 119 lbs, about 15 pounds lighter than the Westinghouse
  • Westinghouse offers 14.5 hours of runtime at 25% load for extended outages
  • Both generators carry a 3-year warranty and run on gasoline
  • Neither unit is an inverter generator, so sensitive electronics need extra protection
  • Westinghouse delivers 6600 starting watts to handle high-surge appliances

Best use cases

Choose the DEWALT DXGNR4000 if you need a reliable generator for job sites or moderate power tasks where 4000 running watts is sufficient. At 119 lbs, it's about 15 pounds lighter than the Westinghouse, which makes a difference when you're loading it into a truck bed regularly. It handles essentials like power tools, a small window AC unit, or a few lights and a refrigerator without issue. The DEWALT brand also carries strong recognition in the construction and trades world, and replacement parts and service tend to be easy to find. If you're a contractor who already owns DEWALT equipment and values brand consistency, this generator fits naturally into your setup. Just keep in mind that 4000 running watts won't stretch far enough to power a full house during an outage, especially if you need to run a well pump or central air.

Choose the Westinghouse WGen5300sc if your primary concern is having enough power to cover a broader range of appliances and tools. With 5300 running watts, you can comfortably run a refrigerator, sump pump, window AC, and several lights at the same time. The 14.5-hour runtime at 25% load is a real advantage during extended power outages, letting you get through a full night without refueling. At 68 dB, it's not whisper-quiet, but it's manageable for residential use. The extra weight (about 134 lbs) is a fair tradeoff for the additional output. If you're shopping for emergency home backup or need to power a small work crew's tools simultaneously, the WGen5300sc gives you more headroom. The tradeoff is that it's bulkier and slightly less convenient to transport frequently.

Verdict & recommendation

If your priority is portability and you only need enough power for a handful of tools or basic home essentials, the DEWALT DXGNR4000 is a solid, lighter option that gets the job done without excess. If your priority is higher wattage and longer runtime for home backup or heavier simultaneous loads, the Westinghouse WGen5300sc offers meaningfully more power and endurance for a modest increase in weight.

Both generators share the same 3-year warranty and run on gasoline, so long-term ownership costs and fuel logistics are similar. Neither is an inverter generator, so plan accordingly if you need clean power for laptops or medical devices. The right choice comes down to how much power you actually need and how often you'll be moving the unit around. Match the generator to your most common use case, and either one will serve you well.

Last updated April 11, 2026

  • Model DXGNR4000
    Model DXGNR4000

    DEWALT 4,000W Gas Generator

    4000W
    Running
    0 dB
    Noise
    View details
  • Model WGen5300sc
    Model WGen5300sc

    Westinghouse 5,300W Gas Generator

    5300W
    Running
    68 dB
    Noise
    View details
Quick charts
Each chart uses its own Y-axis scale (so numbers are comparable within a chart).
Running watts
W
Starting watts
W
Noise
dB
Runtime @50%
h
Running watts by fuel
Shows how output changes across gasoline/propane/natural gas (when available).
Generator Specifications Comparison
SpecificationDEWALT DXGNR4000Westinghouse WGen5300sc
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterNoNo
Parallel capableNoNo
RV readyNoYes
Running watts
4000 W
Winner: Winner: 5300 W
Starting watts
5000 W
Winner: Winner: 6600 W
Noise (lower limit)
0 dB
Winner: Winner: 68 dB
Weight
Winner: Winner: 119 lbs
133.8 lbs
Run time @50% load
10 h
Winner: Winner: 11 h
Run time @25% load
Not available
14.5 h
Fuel tank
3.4 gal
4.7 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
23.7 x 23 x 21.4
23.2 x 20.1 x 19.1
Electrical
Voltage (AC)
120
120/240
Voltage (DC)
Not available
Not available
GFCI outletsYesNo
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
Not available
23 %
Engine
Engine
223 cc OHV 4-stroke
274 cc OHV 4-stroke, cast iron sleeve
Alternator
Not available
Not available
Starting system
Recoil
Recoil, Electric
Warranty
Warranty
3 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
4000 W
5300 W
Starting watts
5000 W
6600 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
11 h
Run time @25% load
Not available
14.5 h
Other
Data center
Not available
Not available
Indicators
false
false
Compliance
CARB
CARB, EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
true
Floating
UPC
696471075809
850011336724
Core / High-priority specs
Running Watts (Gasoline)
4000
5300
Starting Watts (Gasoline)
5000
6600
Runtime @ 50% Load (Gasoline)
10
11
Runtime @ 25% Load (Gasoline)
Not available
14.5
AC Outlet Types
2x Duplex 120V 20A (5-20R) GFCI; 1x 120V 30A (L5-30R)
1x Duplex 120V 20A (5-20R)1x 120V 30A (TT-30R)1x 120/240V 30A (L14-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
OHV 4-stroke
Engine Displacement
223
274
Cylinder Sleeve
Not available
cast iron sleeve
Engine Oil Type
Not available
SAE 10W-30
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
Not available
14.5
Runtime @ 50% Load (Gasoline)
10
11
Safety & compliance
Overload Protection System
Low oil and overload protection, CO monitoring
Low oil and overload protection
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesYes
Included equipment
Starting Components
Not available
Recoil, Electric
Included Accessories
Oil, funnel, and wheel kit
Oil, funnel, tool kit, battery, 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 WGen5300sc is a portable gas-powered generator delivering 6,600 peak watts and 5,300 running watts, ideal for home backup and RV use.
  • Most Powerful
    Westinghouse WGen5300sc
    5300W running
  • Quietest
    Westinghouse WGen5300sc
    68 dB
  • Longest Runtime
    Westinghouse WGen5300sc
    11h at 50% load
Where to buy
Prices can change. We update these automatically.
DEWALT DXGNR4000
Store links
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Westinghouse WGen5300sc
Store links
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