Compare Generators Side-by-Side

Generator

Generator

3300 W

114.6 lbs

9 h

120/240

120V 60 Hz

223 cc OHV 4-stroke, cast iron sleeve

171 cc Firman Max-Pro Series OHV 4-stroke, cast iron sleeve

Recoil

Recoil, Electric

3 years

3 years

5000 W

3300 W

20 h

9 h

3600 W

Digital Data Center

CARB, EPA, ANSI/PGMA G300-2023

CARB, EPA

850016881311

840876130827

4000

3000

5000

3300

4000

5000

20

9

2x Duplex 120V 20A (5-20R); 1x 120V 30A (L5-30R); 1x 120/240V 30A (L14-30R)

1x Duplex 120V 20A (5-20R); 1x 120V 30A (TT-30R)

60

60

OHV 4-stroke, cast iron sleeve

OHV 4-stroke

cast iron sleeve

Cast iron sleeve

20

9

Low oil and overload protection

Low oil and overload protection

Folding handle and wheels

3

3

The A-iPower GXS5000D is a 4,000-watt dual-fuel portable generator built around a 223cc OHV 4-stroke engine with cast iron sleeves. On gasoline, it delivers 5,000 starting watts and 4,000 running watts. On propane, output drops to 4,500 starting watts and 3,600 running watts. This power level handles mid-range job site demands: circular saws, air compressors, multiple power tools running simultaneously, or a household refrigerator plus several circuits during an outage. The dual-fuel design means users can switch between gasoline and propane based on availability, storage preference, or runtime needs. Compliance with CARB and EPA standards confirms emissions control without sacrificing performance. The 6.3-gallon fuel tank stretches runtime significantly at light loads. On gasoline at 25 percent load, users get 20 hours of operation before refueling. This extended runtime makes the GXS5000D practical for all-day job sites or overnight emergency backup without constant attention. Propane runtime at the same load reaches 11 hours, a meaningful difference for users who prioritize fuel storage or longer shelf life.

The Firman W03082 is a 3000-watt inverter generator built around a 171cc OHV 4-stroke engine. At this wattage, it can power most household appliances simultaneously: a refrigerator (600W), microwave (1000W), and several lights and chargers without strain. The 3300-watt peak handles motor startup surges for tools like circular saws or air compressors. Because it runs on gasoline with a 1.8-gallon tank, refueling happens frequently at higher loads, but the 9-hour runtime at 25% load means light-duty camping or backup power runs through a full day without interruption. The inverter topology keeps total harmonic distortion below 3%, which means laptops, phones, and sensitive medical equipment charge safely without risk of damage from dirty power.