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  • Generac #8063 GP9500ETF
  • NorthStar c15000s
  • Model #8063 GP9500ETF
    Model #8063 GP9500ETF

    Generac 9,500W Tri-Fuel Generator

    9500W
    Running
    0 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
SpecificationGenerac #8063 GP9500ETFNorthStar c15000s
General
Product type
Generator
Generator
Fuel
Tri-Fuel
Gasoline
InverterNoNo
Parallel capableNoNo
RV readyYesNo
Running watts
9500 W
Winner: Winner: 13500 W
Starting watts
12500 W
Winner: Winner: 15000 W
Noise (lower limit)
0 dB
Winner: Winner: 73 dB
Weight
Winner: Winner: 219 lbs
390 lbs
Run time @50% load
9.5 h
Winner: Winner: 10.6 h
Run time @25% load
14 h
Not available
Fuel tank
7.5 gal
12 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
27.5 x 27.1 x 27.6
43 x 36 x 35
Electrical
Voltage (AC)
120/240
120/240V 60 Hz
Voltage (DC)
Not available
Not available
GFCI outletsYesYes
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
Not available
<5% %
Engine
Engine
OHV 4-stroke
688 cc Honda GX690 OHV V-Twin
Alternator
Not available
Not available
Starting system
Recoil, Electric
Electric
Warranty
Warranty
3 years
4 years
Power by fuel
GasolineNot availableNot available
Running watts
9500 W
13500 W
Starting watts
12500 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
9.5 h
10.6 h
Run time @25% load
14 h
Not available
Natural gasNot availableNot available
Running watts
7000 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
8550 W
Not available
Starting watts
11250 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
4.5 h
Not available
Run time @25% load
6 h
Not available
Other
Data center
Not available
Not available
Indicators
false
false
Compliance
EPA, ANSI/PGMA G300-2023
CARB, EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
true
true
UPC
696471104523
840321737861
Core / High-priority specs
Running Watts (Gasoline)
9500
13500
Running Watts (Propane)
8550
Not available
Running Watts (Natural Gas)
7000
Not available
Starting Watts (Gasoline)
12500
15000
Starting Watts (Propane)
11250
Not available
Starting Watts (Natural Gas)
9000
Not available
Runtime @ 50% Load (Gasoline)
9.5
10.6
Runtime @ 50% Load (Propane)
4.5
Not available
Runtime @ 25% Load (Gasoline)
14
Not available
Runtime @ 25% Load (Propane)
6
Not available
AC Outlet Types
1x Duplex 120V 20A (5-20R) GFCI; 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
400
688
Engine Oil Type
10W-30 / SAE 30
Not available
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
14
Not available
Runtime @ 50% Load (Gasoline)
9.5
10.6
Runtime @ 50% Load (Propane)
4.5
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
Yes
Not available
Starting Components
Recoil, Electric
Not available
Fuel Connection Components
propane hose
Not available
Included Accessories
Oil, propane hose, battery, and wheel kit
Funnel, battery, and wheel kit
Warranty & identification
Residential Warranty
3
Not available
Commercial Warranty
Not available
4
Additional specs
Summary
The Generac GP9500ETF is a 9,500-watt tri-fuel generator built for whole-house backup and job site power. Its ability to run on gasoline, propane, or natural gas means users gain real fuel flexibility when one source becomes scarce during extended outages. The 12,500 starting watts provide enough surge capacity to handle motor-driven loads like well pumps and air handler fans without tripping breakers. This is a stationary workhorse, not a portable unit.
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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Generac #8063 GP9500ETF
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NorthStar c15000s
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