All GeneratorsDealsCompareMy PicksGenerator Finder
All GeneratorsDealsCompareMy PicksGenerator Finder
  • Guides
  • Blog
  • FAQ
  • Rankings

Helping you find the right generator for your needs with objective specs and clear comparisons.

Categories

  • Quiet Generators
  • Inverter Generators
  • Dual-Fuel
  • Home Backup
  • Portable
  • All Brands

Resources

  • Rankings
  • Compare Generators
  • Generator Finder
  • Deals
  • Buying Guides
  • Blog
  • FAQ
  • About Us

Legal

  • Terms of Service
  • Privacy Policy
  • DMCA
  • Disclosures

Disclosure

RightGenerator is reader-supported. When you buy through links on our site, we may earn an affiliate commission at no cost to you.

© 2026 RightGenerator. All rights reserved.

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.

  • A-iPower GXS5000RD
  • Westinghouse iGen8200TFc
  • Model GXS5000RD
    Model GXS5000RD

    A-iPower 4,000W Dual-Fuel Generator

    4000W
    Running
    68 dB
    Noise
    View details
  • Model iGen8200TFc
    Model iGen8200TFc

    Westinghouse 6,600W Tri-Fuel Generator

    6600W
    Running
    60 dB
    Noise
    View details
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).
Generator Specifications Comparison
SpecificationA-iPower GXS5000RDWestinghouse iGen8200TFc
General
Product type
Generator
Generator
Fuel
Dual-Fuel
Tri-Fuel
InverterNoYes
Parallel capableNoYes
RV readyNoYes
Running watts
4000 W
Winner: Winner: 6600 W
Starting watts
5000 W
Winner: Winner: 8200 W
Noise (lower limit)
68 dB
Winner: Winner: 60 dB
Weight
Winner: Winner: 124 lbs
134.5 lbs
Run time @50% load
Not available—
Winner: Winner: 8.5 h
Run time @25% load
20 h
17 h
Fuel tank
6.3 gal
3.96 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
24 x 23.6 x 24
27 x 20.9 x 21.7
Electrical
Voltage (AC)
120/240
120/240V 60 Hz
Voltage (DC)
Not available—
5
GFCI outletsNoYes
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
Not available—
3 %
Engine
Engine
223 cc OHV 4-stroke, cast iron sleeve
298 cc OHV 4-stroke, cast iron sleeve.
Alternator
Not available—
Not available—
Starting system
Recoil, Electric, Remote
Recoil, Electric, Remote
Warranty
Warranty
3 years
3 years
Power by fuel
GasolineNot available—Not available—
Running watts
4000 W
6600 W
Starting watts
5000 W
8200 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—
Not available—
Run time @25% load
20 h
17 h
PropaneNot available—Not available—
Running watts
3600 W
5940 W
Starting watts
4500 W
7380 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—
Not available—
Run time @25% load
11 h
9.8 h
Natural gasNot available—Not available—
Running watts
Not available—
5280 W
Starting watts
Not available—
6560 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—
Not available—
Run time @25% load
Not available—
Not available—
Other
Data center
Digital Data Center
Not available—
Indicators
true
true
Compliance
CARB, EPA, ANSI/PGMA G300-2023
EPA, ANSI/PGMA G300-2023
Security
Not available—
Not available—
Spark arrestorYesYes
Neutral
Floating
true
UPC
850016881328
850060639784
Core / High-priority specs
Running Watts (Gasoline)
4000
6600
Running Watts (Propane)
3600
5940
Running Watts (Natural Gas)
Not available—
5280
Starting Watts (Gasoline)
5000
8200
Starting Watts (Propane)
4500
7380
Starting Watts (Natural Gas)
Not available—
6560
Rated Watts (Gasoline)
4000
Not available—
Rated Watts (Propane)
3600
Not available—
Peak Watts (Gasoline)
5000
Not available—
Peak Watts (Propane)
4500
Not available—
Runtime @ 25% Load (Gasoline)
20
17
Runtime @ 25% Load (Propane)
11
9.8
AC Outlet Types
2x Duplex 120V 20A (5-20R); 1x 120V 30A (L5-30R); 1x 120/240V 30A (L14-30R)
1x Duplex 120V 20A (5-20R) GFCI; 1x 120V 30A (TT-30R); 1x 120/240V 50A (14-50R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
223 cc OHV 4-stroke
OHV 4-stroke
Engine Displacement
223
298
Cylinder Sleeve
cast iron sleeve
Cast iron
Alternator Winding Material
Not available—
Copper windings
Engine Oil Type
10W-30
SAE 10W-30
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
20
17
Controls & display
Display Type
Digital Data Center
Not available—
Safety & compliance
Overload Protection System
Low oil and overload protection, CO monitoring
Low oil and overload protection
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesYes
Included equipment
Mobility Components
Wheels and folding handle
Not available—
Starting Components
Battery and fob included
Not available—
Included Accessories
Oil, funnel, tool kit, key fob, propane hose, RV adapter, battery, and wheel kit
Oil, funnel, tool kit, key fob, battery charger, propane hose, and battery
Warranty & identification
Residential Warranty
3
Not available—
Commercial Warranty
3
Not available—
Part Number
GXS5000RD
Not available—
Additional specs
Summary
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 Westinghouse iGen8200TFc is a 6,600-watt tri-fuel inverter generator built for homeowners and RV users who need flexible fuel sourcing and clean power for sensitive electronics. Its 8,200-watt starting capacity handles motor loads and air conditioning startup surges, while 3 percent THD protects laptops, TVs, and medical equipment from voltage spikes.
  • Most Powerful
    Westinghouse iGen8200TFc
    6600W running
  • Quietest
    Westinghouse iGen8200TFc
    60 dB
  • Longest Runtime
    Westinghouse iGen8200TFc
    8.5h at 50% load
Where to buy
Prices can change. We update these automatically.
A-iPower GXS5000RD
Store links
No links yet.
Westinghouse iGen8200TFc
Store links
No links yet.
Disclosure: Some links may be affiliate links. Specs and comparisons are never hidden.