Compare Generators Side-by-Side
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- Powerhorse s4500d
- Pulsar PG4000BiSRCO
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 | Powerhorse s4500d | Pulsar PG4000BiSRCO |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Dual-Fuel | Dual-Fuel |
| Inverter | No | Yes |
| Parallel capable | No | Yes |
| RV ready | Yes | Yes |
| Running watts | Winner: Winner: 3600 W | 3200 W |
| Starting watts | Winner: Winner: 4500 W | 4000 W |
| Noise (lower limit) | 95 dB | Winner: Winner: 65 dB |
| Weight | 121 lbs | Winner: Winner: 54 lbs |
| Run time @50% load | Winner: Winner: 10.6 h | 6 h |
| Run time @25% load | Not available | Not available |
| Fuel tank | 3.9 gal | 1.6 gal |
| Fuel gauge | Yes | No |
| Approx. dimensions (L × W × H) | 26.5 x 23.5 x 21.4 | 21 x 11 x 19.5 |
| Electrical | ||
| Voltage (AC) | 120 | 120 |
| Voltage (DC) | 5 | 12 |
| GFCI outlets | No | No |
| Covered outlets | Yes | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | <23% % | ≤3% % |
| Engine | ||
| Engine | 212 cc OHV 4-stroke | 141 cc OHV 4-stroke. |
| 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 | 3600 W | 3200 W |
| Starting watts | 4500 W | 4000 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 | 10.6 h | 6 h |
| Run time @25% load | Not available | Not available |
| Propane | Not available | Not available |
| Running watts | 3200 W | 2800 W |
| Starting watts | 4000 W | 3600 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 | 13.2 h |
| Run time @25% load | Not available | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | true |
| Compliance | EPA, ANSI/PGMA G300-2023 | EPA, ANSI/PGMA G300-2023 |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Floating | Floating. |
| UPC | 840321764058 | 814726028138 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 3600 | 3200 |
| Running Watts (Propane) | 3200 | 2800 |
| Starting Watts (Gasoline) | 4500 | 4000 |
| Starting Watts (Propane) | 4000 | 3600 |
| Runtime @ 50% Load (Gasoline) | 10.6 | 6 |
| Runtime @ 50% Load (Propane) | 11 | 13.2 |
| AC Outlet Types | 1x Duplex 120V 20A (5-20R); 1x 120V 30A (L5-30R); 1x 120V 30A (TT-30R) | 1x Duplex 120V 20A (5-20R); 1x 120V 30A (TT-30R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke | OHV 4-stroke. |
| Engine Displacement | 212 | 141 |
| Engine Oil Type | Not available | 10W-30 |
| Runtime & fuel system | ||
| Runtime @ 50% Load (Gasoline) | 10.6 | 6 |
| Runtime @ 50% Load (Propane) | 11 | 13.2 |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection, CO monitoring | Low oil and overload protection, CO monitoring |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | Yes | Yes |
| Included equipment | ||
| Starting Components | Not available | Recoil, Electric, Remote |
| Included Accessories | Funnel, tool kit, propane hose, and wheel kit | Oil, tool kit, key fob, propane hose, and battery |
| Warranty & identification | ||
| Commercial Warranty | 2 | 3 |
| Additional specs | ||
| Summary | The Powerhorse s4500d is a dual-fuel portable generator offering 4,500 surge watts and 3,600 rated watts, suitable for various applications including home backup and outdoor activities. | The Pulsar PG4000BiSRCO is a versatile dual fuel inverter generator designed for both gasoline and propane use, delivering up to 4000 peak watts and 3200 running watts. It features remote and electric start options, is RV-ready, and includes CO Sentry technology for safety. |
- Most PowerfulPowerhorse s4500d3600W running
- QuietestPulsar PG4000BiSRCO65 dB
- Longest RuntimePowerhorse s4500d10.6h at 50% load
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Powerhorse s4500d
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