Skip to content
Skip to main content

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.

  • NorthStar c15000s
  • WEN DF1100X
  • Model c15000s
    Model c15000s

    NorthStar 13,500W Gas Generator

    13500W
    Running
    73 dB
    Noise
    View details
  • Model DF1100X
    Model DF1100X

    WEN 8,300W Dual-Fuel Generator

    8300W
    Running
    81 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
SpecificationNorthStar c15000sWEN DF1100X
General
Product type
Generator
Generator
Fuel
Gasoline
Dual-Fuel
InverterNoNo
Parallel capableNoNo
RV readyNoNo
Running watts
Winner: Winner: 13500 W
8300 W
Starting watts
Winner: Winner: 15000 W
11000 W
Noise (lower limit)
Winner: Winner: 73 dB
81 dB
Weight
390 lbs
Winner: Winner: 213.8 lbs
Run time @50% load
Winner: Winner: 10.6 h
8.5 h
Run time @25% load
Not available
Not available
Fuel tank
12 gal
6.6 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
43 x 36 x 35
27.3 x 20.6 x 21.9 in
Electrical
Voltage (AC)
120/240V 60 Hz
120/240V
Voltage (DC)
Not available
12
GFCI outletsYesNo
Covered outletsYesNo
Automatic Voltage RegulationYesYes
THD
<5% %
15 %
Engine
Engine
688 cc Honda GX690 OHV V-Twin
457 cc OHV 4-stroke
Alternator
Not available
Not available
Starting system
Electric
Not available
Warranty
Warranty
4 years
2 years
Power by fuel
GasolineNot availableNot available
Running watts
13500 W
8300 W
Starting watts
15000 W
11000 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
10.6 h
8.5 h
Run time @25% load
Not available
Not available
PropaneNot availableNot available
Running watts
Not available
7500 W
Starting watts
Not available
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
3 h
Run time @25% load
Not available
Not available
Other
Data center
Not available
Not available
Indicators
false
false
Compliance
CARB, EPA
EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
true
Not available
UPC
840321737861
44459911005
Core / High-priority specs
Running Watts (Gasoline)
13500
8300
Running Watts (Propane)
Not available
7500
Starting Watts (Gasoline)
15000
11000
Runtime @ 50% Load (Gasoline)
10.6
8.5
Runtime @ 50% Load (Propane)
Not available
3
AC Outlet Types
3x Duplex 120V 20A (5-20R) GFCI1x 120V 30A (L5-30R)1x 120/240V 30A (L14-30R)1x 120/240V 60A (14-60R)
2x Duplex 120V 20A (5-20R) GFCI1x 120V 30A (L5-30R)1x 120/240V 30A (L14-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
Honda GX690 OHV V-Twin
OHV 4-stroke
Engine Displacement
688
457
Runtime & fuel system
Runtime @ 50% Load (Gasoline)
10.6
8.5
Runtime @ 50% Load (Propane)
Not available
3
Safety & compliance
Overload Protection System
Low oil and overload protection
Not available
Low Oil ProtectionYesNo
Carbon Monoxide MonitoringYesYes
Included equipment
Included Accessories
Funnel, battery, and wheel kit
Oil, propane hose, battery, and wheel kit
Warranty & identification
Commercial Warranty
4
Not available
Additional specs
Summary
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.
The WEN DF1100X is an 8,300-watt dual-fuel generator that bridges gasoline and propane operation without sacrificing peak output. Its 11,000 starting watts handle equipment startup surges, making it suitable for jobsites, emergency backup, and extended outdoor work where fuel choice matters.
  • Most Powerful
    NorthStar c15000s
    13500W running
  • Quietest
    NorthStar c15000s
    73 dB
  • Longest Runtime
    NorthStar c15000s
    10.6h at 50% load
Where to buy
Prices can change. We update these automatically.
NorthStar c15000s
Store links
No links yet.
WEN DF1100X
Store links
No links yet.
Disclosure: Some links may be affiliate links. Specs and comparisons are never hidden.