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.
- Powerhorse s27000d
- Sportsman GEN4000DF-SS
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 s27000d | Sportsman GEN4000DF-SS |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Dual-Fuel | Dual-Fuel |
| Inverter | No | No |
| Parallel capable | No | No |
| RV ready | No | Yes |
| Running watts | Winner: Winner: 18000 W | 3500 W |
| Starting watts | Winner: Winner: 27000 W | 4000 W |
| Noise (lower limit) | 97 dB | Winner: Winner: 69 dB |
| Weight | 557 lbs | Winner: Winner: 91 lbs |
| Run time @50% load | 8 h | Winner: Winner: 10 h |
| Run time @25% load | Not available | Not available |
| Fuel tank | 17.17 gal | 3.9 gal |
| Fuel gauge | Yes | No |
| Approx. dimensions (L × W × H) | 38 x 25.5 x 33.6 | 23 x 19.5 x 17.5 |
| Electrical | ||
| Voltage (AC) | 120/240 | 120 |
| Voltage (DC) | 12 | 12 |
| GFCI outlets | Yes | No |
| Covered outlets | Yes | No |
| Automatic Voltage Regulation | Yes | Yes |
| THD | <5% % | Not available |
| Engine | ||
| Engine | 999 cc OHV V-Twin | 212 cc OHV 4-stroke |
| Alternator | Not available | Not available |
| Starting system | Electric | Recoil |
| Warranty | ||
| Warranty | 2 years | 1 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 18000 W | 3500 W |
| Starting watts | 27000 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 | 8 h | 10 h |
| Run time @25% load | Not available | Not available |
| Propane | Not available | Not available |
| Running watts | 16200 W | 3100 W |
| Starting watts | 24300 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 | Not available | 12 h |
| Run time @25% load | Not available | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | false | false |
| Compliance | EPA, ANSI/PGMA G300-2023 | EPA |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | true | Not available |
| UPC | 840321763976 | 27077082357 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 18000 | 3500 |
| Running Watts (Propane) | 16200 | 3100 |
| Starting Watts (Gasoline) | 27000 | 4000 |
| Starting Watts (Propane) | 24300 | 3600 |
| Runtime @ 50% Load (Gasoline) | 8 | 10 |
| Runtime @ 50% Load (Propane) | Not available | 12 |
| AC Outlet Types | 2x Duplex 120V 20A (5-20R) GFCI2x 120V 30A (L5-30R)1x 120/240V 30A (L14-30R)1x 120/240V 50A (14-50R) | 2x Duplex 120V 20A (5-20R) and 1x 120V 30A (TT-30R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV V-Twin | 212 cc OHV 4-stroke |
| Engine Displacement | 999 | 212 |
| Engine Oil Type | Not available | SAE10W-30 |
| Runtime & fuel system | ||
| Runtime @ 50% Load (Gasoline) | 8 | 10 |
| Runtime @ 50% Load (Propane) | Not available | 12 |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection, CO monitoring | Low oil and overload protection |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | Yes | Yes |
| Included equipment | ||
| Starting Components | Not available | Recoil |
| Included Accessories | Funnel, tool kit, propane hose, battery charging cables, battery, and wheel kit | Funnel, tool kit, propane hose, and battery charging cables |
| Warranty & identification | ||
| Residential Warranty | 2 | 1 |
| Commercial Warranty | 2 | 1 |
| Additional specs | ||
| Summary | The Powerhorse s27000d is a robust dual-fuel generator offering 27,000 surge watts and 18,000 rated watts, suitable for both professional and home backup power needs. | 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. |
- Most PowerfulPowerhorse s27000d18000W running
- QuietestSportsman GEN4000DF-SS69 dB
- Longest RuntimeSportsman GEN4000DF-SS10h at 50% load
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Powerhorse s27000d
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