
Westinghouse WGen9500DFc vs Pulsar PG12000B
Westinghouse WGen9500DFc vs Pulsar PG12000B: both 9500W dual-fuel workhorses, but runtime, warranty, and surge power differ for home backup.
- Pulsar PG12000B
- Westinghouse WGen9500DFc
Comparison Overview
Westinghouse’s WGen9500DFc edges ahead on surge capacity and stated light-load endurance, delivering 12,500 starting watts versus 12,000 on the Pulsar PG12000B, while both provide 9,500 running watts for big home-backup loads like a well pump plus fridge and lights.
In day-to-day use, they feel very similar: both are dual-fuel, both are non-inverter open-frame generators, and both are rated at 74 dB, so expect typical “contractor generator” loudness rather than campground-friendly quiet. Neither is ideal for sensitive electronics without a quality surge protector or external power conditioning.
Runtime is where the spec sheets separate. The Westinghouse lists 12 hours at 25% load and 8 hours at 50%, while the Pulsar lists 12 hours at 50% load (with no 25% figure provided). Weight is close, but the Pulsar is slightly lighter at 205 lb versus 212 lb.
If you value a longer warranty and higher starting headroom, the Westinghouse may fit better, while the Pulsar can appeal if you’re focused on mid-load runtime and slightly easier handling.
Key takeaways
- Both deliver 9,500 running watts, suitable for multi-appliance home backup loads.
- Westinghouse WGen9500DFc provides 12,500 starting watts for extra startup headroom.
- Pulsar PG12000B offers 12,000 starting watts, close to Westinghouse for most loads.
- Both are rated 74 dB, expect loud open-frame operation, not campground-quiet.
- Westinghouse includes a 3-year warranty, Pulsar includes a 2-year warranty.
- Pulsar weighs 205 lb versus Westinghouse at 212 lb, slightly easier to move.
Best use cases
Choose the Westinghouse WGen9500DFc if you want a little more cushion for hard-starting loads and longer ownership coverage. With 12,500 starting watts, it gives extra breathing room for appliances that spike at startup, like some well pumps, sump pumps, or larger central air components (when properly sized and connected). It also comes with a 3-year warranty, which can matter if this is your primary storm-backup plan and you expect it to sit ready for long periods between outages. The published runtime numbers also suggest it’s geared toward lighter, overnight “essentials” use, with 12 hours at 25% load, though real-world results will still depend heavily on fuel choice, temperature, and how steady your load is.
Choose the Pulsar PG12000B if your typical use is closer to a steady mid-level draw and you want slightly less weight to wrestle around. Pulsar lists 12 hours at 50% load, which can line up well with running a consistent mix of household circuits, a small job site setup, or a more continuous backup load where you are not trying to sip fuel at very low output. At 205 lb, it is still heavy, but marginally easier to move than the Westinghouse.
For camping and most RV parks, neither is a great match because both are 74 dB and not inverter models. For home backup or job site use where noise is less critical, both are more appropriate, with the tradeoff being Westinghouse’s higher surge and longer warranty versus Pulsar’s stated 50% runtime and slightly lower weight.
Verdict & recommendation
If your priority is maximum starting headroom for motor-driven appliances and a longer safety net, pick the Westinghouse WGen9500DFc with 12,500 starting watts and a 3-year warranty. If your priority is a spec sheet that emphasizes sustained mid-load operation and you want a slightly lighter unit to maneuver, the Pulsar PG12000B is compelling with 12 hours at 50% load and 205 lb weight.
Because both deliver 9,500 running watts, are dual-fuel, and sit at 74 dB, the decision mostly comes down to how you expect to load the generator and how much you value warranty length versus the Pulsar’s mid-load runtime claim. Match it to your typical outage plan or work pattern, and you’ll be happy with either.
Last updated February 25, 2026
| Specification | Pulsar PG12000B | Westinghouse WGen9500DFc |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Dual-Fuel | Dual-Fuel |
| Inverter | No | No |
| Parallel capable | No | No |
| RV ready | No | No |
| Running watts | Winner: Winner: 9500 W | Winner: Winner: 9500 W |
| Starting watts | 12000 W | Winner: Winner: 12500 W |
| Noise (lower limit) | Winner: Winner: 74 dB | Winner: Winner: 74 dB |
| Weight | Winner: Winner: 205 lbs | 212 lbs |
| Run time @50% load | Winner: Winner: 12 h | 8 h |
| Run time @25% load | Not available | 12 h |
| Fuel tank | 8 gal | 6.6 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 28.5 x 21 x 22 | 27.2 x 26.1 x 26.5 |
| Electrical | ||
| Voltage (AC) | 120/240 | 120/240 |
| Voltage (DC) | 12 | Not available |
| GFCI outlets | No | Yes |
| Covered outlets | No | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | Not available | 23 % |
| Engine | ||
| Engine | 457 cc OHV 4-stroke | Westinghouse OHV 4-stroke, cast iron sleeve |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric | Recoil, Electric, Remote |
| Warranty | ||
| Warranty | 2 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 9500 W | 9500 W |
| Starting watts | 12000 W | 12500 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 | 8 h |
| Run time @25% load | Not available | 12 h |
| Propane | Not available | Not available |
| Running watts | 8550 W | 8500 W |
| Starting watts | 10800 W | 11200 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 | 5 h | 7 h |
| Run time @25% load | Not available | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | false | false |
| Compliance | CARB | CARB, EPA |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Not available | true |
| UPC | 814726025021 | 850011336663 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 9500 | 9500 |
| Running Watts (Propane) | 8550 | 8500 |
| Starting Watts (Gasoline) | 12000 | 12500 |
| Starting Watts (Propane) | 10800 | 11200 |
| Runtime @ 50% Load (Gasoline) | 12 | 8 |
| Runtime @ 50% Load (Propane) | 5 | 7 |
| Runtime @ 25% Load (Gasoline) | Not available | 12 |
| AC Outlet Types | 2x Duplex 120V 20A (5-20R); 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R) | 2x Duplex 120V 20A (5-20R) GFCI1x 120/240V 30A (L14-30R)1x 120/240V 50A (14-50R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke | OHV 4-stroke |
| Engine Displacement | 457 | 457 |
| Cylinder Sleeve | Not available | cast iron |
| Engine Oil Type | 10W-30 | SAE 10W-30 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | Not available | 12 |
| Runtime @ 50% Load (Gasoline) | 12 | 8 |
| Runtime @ 50% Load (Propane) | 5 | 7 |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Low oil and overload protection |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | No | Yes |
| Included equipment | ||
| Included Accessories | Funnel, tool kit, propane hose, battery, and wheel kit | Oil, funnel, tool kit, key fob, battery charger, propane hose, battery, and wheel kit |
| Warranty & identification | ||
| Residential Warranty | 2 | Not available |
| Commercial Warranty | 2 | 3 |
| Additional specs | ||
| Summary | The Pulsar PG12000B is a 12,000-watt dual-fuel portable generator designed for reliable and robust power, featuring a 457cc OHV engine, electric push start, and a run time of up to 12 hours at 50% load. | The Westinghouse WGen9500DFc is a dual-fuel generator with a rated wattage of 9500 watts on gasoline and 8500 watts on propane, designed for versatile power needs. |
- Most PowerfulPulsar PG12000B9500W running
- QuietestPulsar PG12000B74 dB
- Longest RuntimePulsar PG12000B12h at 50% load


