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.
- Westinghouse WGen5300sc
- Yamaha EF5500D
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 | Westinghouse WGen5300sc | Yamaha EF5500D |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Gasoline | Gasoline |
| Inverter | No | No |
| Parallel capable | No | No |
| RV ready | Yes | No |
| Running watts | Winner: Winner: 5300 W | 4500 W |
| Starting watts | Winner: Winner: 6600 W | 5500 W |
| Noise (lower limit) | Winner: Winner: 68 dB | 74.1 dB |
| Weight | Winner: Winner: 133.8 lbs | 216.1 lbs |
| Run time @50% load | 11 h | Winner: Winner: 13.5 h |
| Run time @25% load | 14.5 h | Not available |
| Fuel tank | 4.7 gal | 6.9 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 23.2 x 20.1 x 19.1 | 29.1 x 29 x 31.5 in |
| Electrical | ||
| Voltage (AC) | 120/240 | 120/240V 60 Hz |
| Voltage (DC) | Not available | Not available |
| GFCI outlets | No | Yes |
| Covered outlets | Yes | No |
| Automatic Voltage Regulation | Yes | Yes |
| THD | 23 % | Not available |
| Engine | ||
| Engine | 274 cc OHV 4-stroke, cast iron sleeve | Yamaha MZ360 OHV 4-stroke |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric | Recoil |
| Warranty | ||
| Warranty | 3 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 5300 W | 4500 W |
| Starting watts | 6600 W | 5500 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 | 11 h | 13.5 h |
| Run time @25% load | 14.5 h | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | false | true |
| Compliance | CARB, EPA | CARB, EPA |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Floating | true |
| UPC | 850011336724 | Not available |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 5300 | 4500 |
| Starting Watts (Gasoline) | 6600 | 5500 |
| Runtime @ 50% Load (Gasoline) | 11 | 13.5 |
| Runtime @ 25% Load (Gasoline) | 14.5 | Not available |
| AC Outlet Types | 1x Duplex 120V 20A (5-20R)1x 120V 30A (TT-30R)1x 120/240V 30A (L14-30R) | 2x Duplex 120V 20A (5-20R) GFCI; 1x 120V 30A (L5-30R); 1x 120/240V 30A (L14-30R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke | OHV 4-stroke |
| Engine Displacement | 274 | 358 |
| Cylinder Sleeve | cast iron sleeve | Not available |
| Engine Oil Type | SAE 10W-30 | Not available |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 14.5 | Not available |
| Runtime @ 50% Load (Gasoline) | 11 | 13.5 |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Not available |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | Yes | Yes |
| Included equipment | ||
| Mobility Components | Not available | Yes |
| Starting Components | Recoil, Electric | Not available |
| Included Accessories | Oil, funnel, tool kit, battery, and wheel kit | Tool kit and wheel kit |
| Warranty & identification | ||
| Commercial Warranty | 3 | Not available |
| Part Number | Not available | EF55DZ1 |
| Additional specs | ||
| Summary | 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. | The Yamaha EF5500D is a 5500-watt generator designed for emergency backup, recreational use, and DIY projects. It features a 358cc OHV engine, dual voltage output, and offers up to 9 hours of continuous operation at rated load. |
- Most PowerfulWestinghouse WGen5300sc5300W running
- QuietestWestinghouse WGen5300sc68 dB
- Longest RuntimeYamaha EF5500D13.5h at 50% load
Where to buy
Prices can change. We update these automatically.
Westinghouse WGen5300sc
Store links
No links yet.
Yamaha EF5500D
Store links
No links yet.
Disclosure: Some links may be affiliate links. Specs and comparisons are never hidden.