Compare Generators Side-by-Side

Generator

Generator

5000 W

230 lbs

20 h

19 h

120/240

120/240

223 cc OHV 4-stroke, cast iron sleeve

457 cc OHV 4-stroke, cast iron sleeve

Recoil, Electric, Remote

Recoil, Electric

3 years

5 years

5000 W

12000 W

20 h

19 h

3600 W

9025 W

3.5 h

Digital Data Center

CARB, EPA, ANSI/PGMA G300-2023

CARB, EPA

850016881328

811640016227

4000

9500

5000

12000

4000

5000

9

20

19

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

2x Duplex 120V 20A (5-20R); 1x 120V 30A (L5-30R); 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R)

60

60

223 cc OHV 4-stroke

OHV 4-stroke

cast iron sleeve

Cast iron sleeve

10W-30

20

19

3.5

Digital Data Center

Low oil and overload protection, CO monitoring

Low oil and overload protection

Wheels and folding handle

Oil, funnel, tool kit, key fob, propane hose, RV adapter, battery, and wheel kit

Funnel, tool kit, propane hose, battery, and wheel kit

3

5

GXS5000RD

The A-iPower GXS5000RD is a 4,000-watt dual-fuel generator built around a 223cc OHV engine that runs on either gasoline or propane. On gasoline, it delivers 5,000 starting watts and 4,000 running watts. On propane, output drops to 4,500 starting and 3,600 running watts. This power level handles most household circuits, power tools, and mid-range job site equipment simultaneously. The dual-fuel design means users can switch between fuels based on availability, cost, or storage preference. A 6.3-gallon tank paired with 20-hour runtime at 25% load reduces refueling frequency during light-duty work. The 68 dBA noise level sits between a normal conversation and a vacuum cleaner, making it acceptable for residential neighborhoods with reasonable distance from neighbors.

The DuroMax XP12000HX is a 9,500-watt dual-fuel generator built for job sites, home backup, and RV use. Its 12,000-watt peak capacity handles the startup surge of air conditioners, compressors, and welders, while the 9,500-watt running output sustains multiple heavy tools or household circuits simultaneously. Gasoline delivers 19 hours of runtime at quarter load, making this unit suitable for extended outages or multi-day events without constant refueling. The dual-fuel design means users can switch between gasoline and propane depending on fuel availability and storage constraints. On propane at 25% load, runtime drops to 7 hours, trading endurance for cleaner emissions and longer shelf life. The 457 cc cast iron engine is built for durability on job sites where generators take abuse. This is a stationary workhorse, not a portable grab-and-go unit.