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.
- Ford FG28KVTWTCO
- Genmax GM3300i
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 | Ford FG28KVTWTCO | Genmax GM3300i |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Tri-Fuel | Gasoline |
| Inverter | No | Yes |
| Parallel capable | No | Yes |
| RV ready | Yes | Yes |
| Running watts | Winner: Winner: 20000 W | 3000 W |
| Starting watts | Winner: Winner: 28000 W | 3300 W |
| Noise (lower limit) | 99.7 dB | Winner: Winner: 62 dB |
| Weight | 557 lbs | Winner: Winner: 47.4 lbs |
| Run time @50% load | Winner: Winner: 10.8 h | 4.5 h |
| Run time @25% load | Not available | 6 h |
| Fuel tank | 17.17 gal | 1 gal |
| Fuel gauge | Yes | No |
| Approx. dimensions (L × W × H) | 39.7 x 27.5 x 45.2 | 18.9 x 11.4 x 17.3 |
| Electrical | ||
| Voltage (AC) | 120/240V 60 Hz | 120 |
| Voltage (DC) | Not available | 5 |
| GFCI outlets | Yes | No |
| Covered outlets | Yes | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | Not available | Not available |
| Engine | ||
| Engine | 999 cc OHV V-Twin | 145 cc Dinking OHV 4-stroke |
| Alternator | Not available | Not available |
| Starting system | Electric, Remote | Recoil |
| Warranty | ||
| Warranty | 3 years | 1 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 20000 W | 3000 W |
| Starting watts | 28000 W | 3300 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 | 10.8 h | 4.5 h |
| Run time @25% load | Not available | 6 h |
| Other | ||
| Data center | Not available | Not available |
| Indicators | false | true |
| Compliance | EPA, ANSI/PGMA G300-2023 | EPA, ANSI/PGMA G300-2023 |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | true | Floating |
| UPC | 814726029418 | 768494056087 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 20000 | 3000 |
| Starting Watts (Gasoline) | 28000 | 3300 |
| Runtime @ 50% Load (Gasoline) | 10.8 | 4.5 |
| Runtime @ 25% Load (Gasoline) | Not available | 6 |
| AC Outlet Types | 2x Duplex 120V 20A GFCI; 1x 120V 30A (L5-30R); 2x 120/240V 30A (L14-30R); 2x 120/240V 50A (14-50R) | 1x Duplex 120V 20A (5-20R) 1x 120V 30A (TT-30R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV V-Twin | Dinking OHV 4-stroke |
| Engine Displacement | 999 | 145 |
| Engine Oil Type | SAE 10W-30 | 10W-30 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | Not available | 6 |
| Runtime @ 50% Load (Gasoline) | 10.8 | 4.5 |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Low oil and overload protection, CO monitoring |
| Low Oil Protection | No | Yes |
| Carbon Monoxide Monitoring | Yes | Yes |
| Included equipment | ||
| Included Accessories | Oil, funnel, tool kit, key fob, natural gas hose with NPT adapter, propane hose, battery, and wheel kit | Funnel and tool kit |
| Warranty & identification | ||
| Commercial Warranty | 3 | Not available |
| Part Number | Not available | GE-3300A |
| Additional specs | ||
| Summary | The Ford FG28KVTWTCO is a 20,000-watt tri-fuel generator built for whole-home backup, commercial job sites, and stationary power delivery. It runs on gasoline, propane, or natural gas, eliminating single-source fuel dependency. At 557 pounds with a 39.7 x 27.5 x 45.2 inch footprint, this is a semi-permanent installation that demands dedicated storage and logistical planning. | The Genmax GM3300i is a 3000-watt gasoline inverter generator built for portability and clean power. At 47.4 lbs, it moves easily between campsites, job sites, and homes. The 3300-watt peak output handles startup surges on power tools and appliances, while the inverter technology protects laptops and phones from voltage spikes. |
- Most PowerfulFord FG28KVTWTCO20000W running
- QuietestGenmax GM3300i62 dB
- Longest RuntimeFord FG28KVTWTCO10.8h at 50% load
Where to buy
Prices can change. We update these automatically.
Ford FG28KVTWTCO
Store links
No links yet.
Genmax GM3300i
Store links
No links yet.
Disclosure: Some links may be affiliate links. Specs and comparisons are never hidden.