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 s8000id
- Powermate PM4500
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 s8000id | Powermate PM4500 |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Dual-Fuel | Gasoline |
| Inverter | Yes | No |
| Parallel capable | Yes | No |
| RV ready | No | No |
| Running watts | Winner: Winner: 6000 W | 3600 W |
| Starting watts | Winner: Winner: 8000 W | 4500 W |
| Noise (lower limit) | Winner: Winner: 62 dB | 0 dB |
| Weight | 135.7 lbs | Winner: Winner: 105 lbs |
| Run time @50% load | 8 h | Winner: Winner: 14 h |
| Run time @25% load | Not available | 19 h |
| Fuel tank | 3.78 gal | 5 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 27.2 x 20.3 x 21.7 | 26.3 x 22.9 x 21.5 |
| Electrical | ||
| Voltage (AC) | 120/240 | 120 |
| Voltage (DC) | 5 | Not available |
| GFCI outlets | Yes | Yes |
| Covered outlets | Yes | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | 3 % | Not available |
| Engine | ||
| Engine | 298 cc OHV 4-stroke | Generac OHV 4-stroke 224 cc |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric, Remote | Recoil |
| Warranty | ||
| Warranty | 2 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 6000 W | 3600 W |
| Starting watts | 8000 W | 4500 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 | 14 h |
| Run time @25% load | Not available | 19 h |
| Propane | Not available | Not available |
| Running watts | 5400 W | Not available |
| Starting watts | 7200 W | Not available |
| 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 | 7 h | Not available |
| Run time @25% load | Not available | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | false |
| Compliance | EPA, ANSI/PGMA G300-2023 | CARB, EPA |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | true | true |
| UPC | Not available | 696471080346 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 6000 | 3600 |
| Running Watts (Propane) | 5400 | Not available |
| Starting Watts (Gasoline) | 8000 | 4500 |
| Starting Watts (Propane) | 7200 | Not available |
| Runtime @ 50% Load (Gasoline) | 8 | 14 |
| Runtime @ 50% Load (Propane) | 7 | Not available |
| Runtime @ 25% Load (Gasoline) | Not available | 19 |
| AC Outlet Types | 1x Duplex 120V 20A (5-20R) GFCI; 1x 120V 30A (L5-30R); 1x 120/240V 30A (L14-30R) | 2x Duplex 120V 20A (5-20R) GFCI1x 120V 30A (L5-30R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke | OHV |
| Engine Displacement | 298 | 224 |
| Engine Oil Type | 10W-30 | 10W-30 / SAE 30 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | Not available | 19 |
| Runtime @ 50% Load (Gasoline) | 8 | 14 |
| Runtime @ 50% Load (Propane) | 7 | Not available |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Low oil and overload protection |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | Yes | Yes |
| Included equipment | ||
| Starting Components | Recoil, Electric, Remote | Not available |
| Included Accessories | Funnel, tool kit, key fob, battery charger, propane hose, and battery | Oil and wheel kit |
| Warranty & identification | ||
| Commercial Warranty | Not available | 3 |
| Part Number | 6075644 | P0081200 |
| Additional specs | ||
| Summary | The Powerhorse s8000id is an 8000-watt dual fuel inverter generator designed for quiet and reliable power, suitable for various applications including home backup and outdoor events. | The Powermate PM4500 is a 4500-watt portable generator featuring COsense® Technology for carbon monoxide protection, a Generac® 224CC OHV Engine, and a 19-hour run time at 25% load. |
- Most PowerfulPowerhorse s8000id6000W running
- QuietestPowerhorse s8000id62 dB
- Longest RuntimePowermate PM450014h at 50% load
Where to buy
Prices can change. We update these automatically.
Powerhorse s8000id
Store links
No links yet.
Powermate PM4500
Store links
No links yet.
Disclosure: Some links may be affiliate links. Specs and comparisons are never hidden.