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Select up to 4 generators to compare specs, power output, noise levels, runtime and more. Your compare URL is shareable.

  • A-iPower GXS11300RT
  • NorthStar c15000s
  • Model GXS11300RT
    Model GXS11300RT

    A-iPower 9,000W Tri-Fuel Generator

    9000W
    Running
    78 dB
    Noise
    View details
  • Model c15000s
    Model c15000s

    NorthStar 13,500W Gas Generator

    13500W
    Running
    73 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 GXS11300RTNorthStar c15000s
General
Product type
Generator
Generator
Fuel
Tri-Fuel
Gasoline
InverterNoNo
Parallel capableNoNo
RV readyYesNo
Running watts
9000 W
Winner: Winner: 13500 W
Starting watts
11300 W
Winner: Winner: 15000 W
Noise (lower limit)
78 dB
Winner: Winner: 73 dB
Weight
Winner: Winner: 224.9 lbs
390 lbs
Run time @50% load
Not available
Winner: Winner: 10.6 h
Run time @25% load
18 h
Not available
Fuel tank
9.5 gal
12 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
28.8 x 28 x 26.7
43 x 36 x 35
Electrical
Voltage (AC)
120/240
120/240V 60 Hz
Voltage (DC)
12
Not available
GFCI outletsYesYes
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
Not available
<5% %
Engine
Engine
459 cc OHV 4-stroke, cast iron sleeve
688 cc Honda GX690 OHV V-Twin
Alternator
Not available
Not available
Starting system
Recoil, Electric, Remote
Electric
Warranty
Warranty
3 years
4 years
Power by fuel
GasolineNot availableNot available
Running watts
9000 W
13500 W
Starting watts
11300 W
15000 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
10.6 h
Run time @25% load
18 h
Not available
Natural gasNot availableNot available
Running watts
7200 W
Not available
Starting watts
9000 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
Not available
Not available
Run time @25% load
Not available
Not available
PropaneNot availableNot available
Running watts
8100 W
Not available
Starting watts
10100 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
Not available
Not available
Run time @25% load
8 h
Not available
Other
Data center
Not available
Not available
Indicators
true
false
Compliance
CARB, EPA, ANSI/PGMA G300-2023
CARB, EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
true
true
UPC
850016881731
840321737861
Core / High-priority specs
Running Watts (Gasoline)
9000
13500
Running Watts (Propane)
8100
Not available
Running Watts (Natural Gas)
7200
Not available
Starting Watts (Gasoline)
11300
15000
Starting Watts (Propane)
10100
Not available
Starting Watts (Natural Gas)
9000
Not available
Runtime @ 50% Load (Gasoline)
Not available
10.6
Runtime @ 25% Load (Gasoline)
18
Not available
Runtime @ 25% Load (Propane)
8
Not available
AC Outlet Types
1x Duplex 120V 20A (5-20R) GFCI; 1x 120V 30A (L5-30R); 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R)
3x Duplex 120V 20A (5-20R) GFCI1x 120V 30A (L5-30R)1x 120/240V 30A (L14-30R)1x 120/240V 60A (14-60R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
Honda GX690 OHV V-Twin
Engine Displacement
459
688
Cylinder Sleeve
Cast iron sleeve
Not available
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
18
Not available
Runtime @ 50% Load (Gasoline)
Not available
10.6
Safety & compliance
Overload Protection System
Not available
Low oil and overload protection
Low Oil ProtectionNoYes
Carbon Monoxide MonitoringYesYes
Included equipment
Included Accessories
Oil, funnel, tool kit, key fob, propane hose, RV adapter, battery charging cables, battery, and wheel kit
Funnel, battery, and wheel kit
Warranty & identification
Commercial Warranty
3
4
Additional specs
Summary
The A-iPower GXS11300RT is a 9000-watt tri-fuel generator built for users who need flexible fuel options without sacrificing power output. Running on gasoline, propane, or natural gas, this unit delivers 11300 peak watts and 9000 running watts on gasoline, making it capable of powering a full home backup system, supporting a job site, or supplying an RV with consistent electricity. The tri-fuel design means you can switch between fuel types based on availability and cost, a significant advantage for remote locations or long-term deployments where fuel supply chains vary. At 224.9 pounds, this generator demands serious logistical planning. It is not a grab-and-go unit. The included wheel kit and folding handle help, but moving this machine onto a truck bed, across uneven terrain, or into storage requires either multiple people or mechanical assistance. The trade-off is clear: you gain substantial power output and multi-fuel flexibility in exchange for a stationary or semi-portable footprint. For homeowners installing a permanent backup system or contractors setting up a job site power station, the weight is manageable. For users who need to relocate the generator frequently, this becomes a friction point.
The NorthStar c15000s is a commercial-grade portable generator powered by a Honda GX690 OHV engine, delivering 15,000 surge watts and 13,500 rated watts. It features Quiet Armor Technology for reduced noise, a built-in battery charger/maintainer, and carbon monoxide detection with automatic shutdown for enhanced safety.
  • Most Powerful
    NorthStar c15000s
    13500W running
  • Quietest
    NorthStar c15000s
    73 dB
  • Longest Runtime
    NorthStar c15000s
    10.6h at 50% load
Where to buy
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A-iPower GXS11300RT
Store links
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NorthStar c15000s
Store links
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