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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.

  • Pulsar PG6580ECO
  • WEN 56551
  • Model PG6580ECO
    Model PG6580ECO

    Pulsar 5,300W Gas Generator

    5300W
    Running
    75 dB
    Noise
    View details
  • Model 56551
    Model 56551

    WEN 5,000W Gas Generator

    5000W
    Running
    74 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
SpecificationPulsar PG6580ECOWEN 56551
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterNoNo
Parallel capableNoNo
RV readyNoYes
Running watts
Winner: Winner: 5300 W
5000 W
Starting watts
Winner: Winner: 6580 W
5500 W
Noise (lower limit)
75 dB
Winner: Winner: 74 dB
Weight
Winner: Winner: 140 lbs
190 lbs
Run time @50% load
10 h
Winner: Winner: 11 h
Run time @25% load
Not available—
Not available—
Fuel tank
5.3 gal
6.5 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
26.6 x 19.7 x 18.7
Not available—
Electrical
Voltage (AC)
120/240V 60 Hz
Not available—
Voltage (DC)
12
12
GFCI outletsYesNo
Covered outletsNoNo
Automatic Voltage RegulationYesNo
THD
Not available—
Not available—
Engine
Engine
Ducar 274 cc OHV 4-stroke
EPAIII 389cc 13 HP OHV engine.
Alternator
Not available—
Not available—
Starting system
Recoil, Electric
Not available—
Warranty
Warranty
2 years
2 years
Power by fuel
GasolineNot available—Not available—
Running watts
5300 W
Not available—
Starting watts
6580 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
10 h
11 h
Run time @25% load
Not available—
Not available—
Other
Data center
Not available—
Not available—
Indicators
true
true
Compliance
CARB, EPA
Not available—
Security
Not available—
Not available—
Spark arrestorYesYes
Neutral
true
Not available—
UPC
814726027100
Not available—
Core / High-priority specs
Running Watts (Gasoline)
5300
Not available—
Starting Watts (Gasoline)
6580
Not available—
Runtime @ 50% Load (Gasoline)
10
11
AC Outlet Types
2x Duplex 120V 20A (5-20R) GFCI; 1x 120/240V 30A (L14-30R)
Four 120V 20A three-prong receptacles. One twist-lock 120/240V 30A receptacle (L14-30).
Electrical & power
Frequency
60
Not available—
Engine & construction
Engine Type
Ducar OHV 4-stroke
OHV.
Engine Displacement
274
389
Engine Oil Type
10W-30
Not available—
Runtime & fuel system
Runtime @ 50% Load (Gasoline)
10
11
Controls & display
Display Type
Not available—
Digital engine hour counter.
Safety & compliance
Overload Protection System
Low oil and overload protection, CO monitoring
Circuit breaker.
Low Oil ProtectionYesNo
Carbon Monoxide MonitoringYesNo
Included equipment
Mobility Components
Not available—
Wheel and handle kit.
Documentation
Not available—
Product manual.
Included Accessories
Funnel, tool kit, battery, and wheel kit
Wheel and handle kit. NEMA L14-30 plug.
Warranty & identification
Residential Warranty
Not available—
2
Part Number
Not available—
56551
Additional specs
Summary
The Pulsar PG6580ECO is a 6,580-watt gasoline-powered portable generator equipped with a 274cc, 4-stroke, OHV engine. It features electric start with recoil backup, a 5.3-gallon fuel tank providing up to 10 hours of runtime at 50% load, and includes safety features like a CO shutdown sensor and low oil shutdown. Designed for versatility, it offers multiple outlets for various applications and is mounted on a durable powder-coated steel frame with fold-down handles and never-flat wheels for enhanced mobility.
The WEN 56551 is a 5000-watt gasoline generator built around a 389cc 13 HP OHV engine that delivers 5500 starting watts for handling the high inrush current that motors and compressors demand at startup. This wattage ceiling means you can run a mid-sized job site setup, power a home during an outage, or support RV systems without overloading the unit. The 6.5-gallon fuel tank stretches to 11 hours at 50 percent load, reducing refueling frequency during extended operations. A 2-year warranty backs the unit, giving you a defined window of manufacturer support.
  • Most Powerful
    Pulsar PG6580ECO
    5300W running
  • Quietest
    WEN 56551
    74 dB
  • Longest Runtime
    WEN 56551
    11h at 50% load
Where to buy
Prices can change. We update these automatically.
Pulsar PG6580ECO
Store links
No links yet.
WEN 56551
Store links
No links yet.
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