Compare Generators Side-by-Side
Select up to 4 generators to compare specs, power output, noise levels, runtime and more. Your compare URL is shareable.
- Sportsman GEN4000DF-SS
- Westinghouse WGen3600DF
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).
| Specification | Sportsman GEN4000DF-SS | Westinghouse WGen3600DF |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Dual-Fuel | Dual-Fuel |
| Inverter | No | No |
| Parallel capable | No | No |
| RV ready | Yes | Yes |
| Running watts | 3500 W | Winner: Winner: 3600 W |
| Starting watts | 4000 W | Winner: Winner: 4650 W |
| Noise (lower limit) | 69 dB | Winner: Winner: 68 dB |
| Weight | Winner: Winner: 91 lbs | 120 lbs |
| Run time @50% load | Winner: Winner: 10 h | Not available |
| Run time @25% load | Not available | 14 h |
| Fuel tank | 3.9 gal | 4 gal |
| Fuel gauge | No | Yes |
| Approx. dimensions (L × W × H) | 23 x 19.5 x 17.5 | 23.3 x 22.8 x 21.3 |
| Electrical | ||
| Voltage (AC) | 120 | 120 |
| Voltage (DC) | 12 | Not available |
| GFCI outlets | No | No |
| Covered outlets | No | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | Not available | 23 % |
| Engine | ||
| Engine | 212 cc OHV 4-stroke | Westinghouse OHV 4-stroke, cast iron sleeve. |
| Alternator | Not available | Not available |
| Starting system | Recoil | Recoil, Electric, Remote |
| Warranty | ||
| Warranty | 1 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 3500 W | 3600 W |
| Starting watts | 4000 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 |
| Propane | Not available | Not available |
| Running watts | 3100 W | 3240 W |
| Starting watts | 3600 W | 4180 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 | 12 h | 14 h |
| Run time @25% load | Not available | 16.5 h |
| Other | ||
| Data center | Not available | Not available |
| Indicators | false | false |
| Compliance | EPA | CARB, EPA |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Not available | Not available |
| UPC | 27077082357 | 855464003254 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 3500 | 3600 |
| Running Watts (Propane) | 3100 | 3240 |
| Starting Watts (Gasoline) | 4000 | 4650 |
| Starting Watts (Propane) | 3600 | 4180 |
| Runtime @ 50% Load (Gasoline) | 10 | 10.5 |
| Runtime @ 50% Load (Propane) | 12 | 14 |
| Runtime @ 25% Load (Gasoline) | Not available | 14 |
| Runtime @ 25% Load (Propane) | Not available | 16.5 |
| AC Outlet Types | 2x Duplex 120V 20A (5-20R) and 1x 120V 30A (TT-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 | 212 cc OHV 4-stroke | OHV 4-stroke |
| Engine Displacement | 212 | 212 |
| Cylinder Sleeve | Not available | cast iron sleeve |
| Engine Oil Type | SAE10W-30 | Not available |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | Not available | 14 |
| Runtime @ 50% Load (Gasoline) | 10 | 10.5 |
| Runtime @ 50% Load (Propane) | 12 | 14 |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Low oil and overload protection |
| Low Oil Protection | Yes | No |
| Carbon Monoxide Monitoring | Yes | No |
| Included equipment | ||
| Mobility Components | Not available | Yes |
| Starting Components | Recoil | Oil, funnel, tool kit, key fob, battery charger, propane hose, battery, and wheel kit |
| Included Accessories | Funnel, tool kit, propane hose, and battery charging cables | Oil, funnel, tool kit, key fob, battery charger, propane hose, battery, and wheel kit |
| Warranty & identification | ||
| Residential Warranty | 1 | Not available |
| Commercial Warranty | 1 | 3 |
| Additional specs | ||
| Summary | The Sportsman GEN4000DF-SS is a dual fuel generator capable of delivering 4,000 surge watts and 3,500 running watts, suitable for powering RVs, household appliances, and power tools. | The Westinghouse WGen3600DF is a dual fuel portable generator that offers reliable power for both home and recreational use. It provides 4,650 peak watts and 3,600 running watts on gasoline, and 4,180 peak watts and 3,240 running watts on propane. Designed with user convenience in mind, it features electric and remote start capabilities, making it easy to operate. The generator is RV-ready, equipped with a TT-30R outlet, and includes safety features such as low oil shutdown and carbon monoxide (CO) protection. With a 4-gallon fuel tank, it can run up to 18 hours on gasoline, ensuring extended operation during power outages or outdoor activities. |
- Most PowerfulWestinghouse WGen3600DF3600W running
- QuietestWestinghouse WGen3600DF68 dB
- Longest RuntimeSportsman GEN4000DF-SS10h at 50% load
Where to buy
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Sportsman GEN4000DF-SS
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Westinghouse WGen3600DF
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