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

  • Sportsman GEN4000-SS
  • WEN 56400-CA
  • Model GEN4000-SS
    Model GEN4000-SS

    Sportsman 3,500W Gas Generator

    3500W
    Running
    69 dB
    Noise
    View details
  • Model 56400-CA
    Model 56400-CA

    WEN 3,500W Gas Generator

    3500W
    Running
    67 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
SpecificationSportsman GEN4000-SSWEN 56400-CA
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterNoNo
Parallel capableNoNo
RV readyYesYes
Running watts
Winner: Winner: 3500 W
Winner: Winner: 3500 W
Starting watts
4000 W
Winner: Winner: 4050 W
Noise (lower limit)
69 dB
Winner: Winner: 67 dB
Weight
Winner: Winner: 91 lbs
111 lbs
Run time @50% load
10 h
Winner: Winner: 11 h
Run time @25% load
Not available
Not available
Fuel tank
3.9 gal
4 gal
Fuel gaugeNoNo
Approx. dimensions (L × W × H)
23 x 19.5 x 17.5
Not available
Electrical
Voltage (AC)
120
120/240
Voltage (DC)
12
Not available
GFCI outletsNoNo
Covered outletsNoNo
Automatic Voltage RegulationYesNo
THD
Not available
Not available
Engine
Engine
212 cc OHV 4-stroke
Not available
Alternator
Not available
Not available
Starting system
Recoil
Not available
Warranty
Warranty
1 years
2 years
Power by fuel
GasolineNot availableNot available
Running watts
3500 W
3500 W
Starting watts
4000 W
4050 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 h
11 h
Run time @25% load
Not available
Not available
Other
Data center
Not available
Not available
Indicators
false
Not available
Compliance
EPA
CARB and EPAIII compliant.
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Not available
Not available
UPC
27077082470
Not available
Core / High-priority specs
Running Watts (Gasoline)
3500
3500
Starting Watts (Gasoline)
4000
4050
Runtime @ 50% Load (Gasoline)
10
11
AC Outlet Types
2x Duplex 120V 20A (5-20R)1x 120V 30A (TT-30R)
Two 120-Volt receptacles (standard household 5-20R) and one 120/240-Volt receptacle (Nema L14-30).
Electrical & power
Frequency
60
Not available
Engine & construction
Engine Type
OHV 4-stroke
Not available
Engine Displacement
212
212
Engine Oil Type
SAE10W-30
Not available
Runtime & fuel system
Runtime @ 50% Load (Gasoline)
10
11
Safety & compliance
Overload Protection System
Low oil and overload protection
Overload protection.
Low Oil ProtectionYesYes
Included equipment
Starting Components
Recoil
Not available
Included Accessories
Funnel, tool kit, and battery charging cables
Not available
Warranty & identification
Residential Warranty
Not available
2
Part Number
Not available
56400-CA
Additional specs
Summary
The Sportsman GEN4000-SS is a gasoline-powered generator offering 4000 surge watts and 3500 running watts, suitable for running RVs, household appliances, and power tools.
The WEN 56400-CA is a 3500-watt gasoline generator built for homeowners and job site operators who need sustained power without constant refueling. The 4-gallon fuel tank delivers 11 hours of runtime at 50 percent load, meaning a typical workday of moderate electrical demand requires only one fill-up. The 4050-watt peak capacity handles startup surges from air compressors, circular saws, and refrigeration units that draw extra current when they first engage. This wattage tier powers most household circuits simultaneously or runs a small job site with hand tools and lighting. The 2-year warranty covers manufacturing defects across the ownership period.
  • Most Powerful
    Sportsman GEN4000-SS
    3500W running
  • Quietest
    WEN 56400-CA
    67 dB
  • Longest Runtime
    WEN 56400-CA
    11h at 50% load
Where to buy
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Sportsman GEN4000-SS
Store links
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WEN 56400-CA
Store links
No links yet.
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