All GeneratorsDealsCompareMy PicksGenerator Finder
All GeneratorsDealsCompareMy PicksGenerator Finder
  • Guides
  • Blog
  • FAQ
  • Rankings

Helping you find the right generator for your needs with objective specs and clear comparisons.

Categories

  • Quiet Generators
  • Inverter Generators
  • Dual-Fuel
  • Home Backup
  • Portable
  • All Brands

Resources

  • Rankings
  • Compare Generators
  • Generator Finder
  • Deals
  • Buying Guides
  • Blog
  • FAQ
  • About Us

Legal

  • Terms of Service
  • Privacy Policy
  • DMCA
  • Disclosures

Disclosure

RightGenerator is reader-supported. When you buy through links on our site, we may earn an affiliate commission at no cost to you.

© 2026 RightGenerator. All rights reserved.

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 e18000s
  • Pulsar PG6580ECO
  • Model e18000s
    Model e18000s

    NorthStar 15,000W Gas Generator

    15000W
    Running
    74 dB
    Noise
    View details
  • Model PG6580ECO
    Model PG6580ECO

    Pulsar 5,300W Gas Generator

    5300W
    Running
    75 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 e18000sPulsar PG6580ECO
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterNoNo
Parallel capableNoNo
RV readyNoNo
Running watts
Winner: Winner: 15000 W
5300 W
Starting watts
Winner: Winner: 18000 W
6580 W
Noise (lower limit)
Winner: Winner: 74 dB
75 dB
Weight
423 lbs
Winner: Winner: 140 lbs
Run time @50% load
7.9 h
Winner: Winner: 10 h
Run time @25% load
Not available—
Not available—
Fuel tank
12 gal
5.3 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
43 x 36 x 35
26.6 x 19.7 x 18.7
Electrical
Voltage (AC)
120/240V 60 Hz
120/240V 60 Hz
Voltage (DC)
Not available—
12
GFCI outletsYesYes
Covered outletsYesNo
Automatic Voltage RegulationYesYes
THD
<5% %
Not available—
Engine
Engine
824 cc NorthStar e825 OHV 4-stroke
Ducar 274 cc OHV 4-stroke
Alternator
Not available—
Not available—
Starting system
Electric
Recoil, Electric
Warranty
Warranty
4 years
2 years
Power by fuel
GasolineNot available—Not available—
Running watts
15000 W
5300 W
Starting watts
18000 W
6580 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
7.9 h
10 h
Run time @25% load
Not available—
Not available—
Other
Data center
Not available—
Not available—
Indicators
false
true
Compliance
CARB, EPA
CARB, EPA
Security
Not available—
Not available—
Spark arrestorYesYes
Neutral
true
true
UPC
840321748058
814726027100
Core / High-priority specs
Running Watts (Gasoline)
15000
5300
Starting Watts (Gasoline)
18000
6580
Runtime @ 50% Load (Gasoline)
7.9
10
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) GFCI; 1x 120/240V 30A (L14-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
Ducar OHV 4-stroke
Engine Displacement
824
274
Engine Oil Type
Not available—
10W-30
Runtime & fuel system
Runtime @ 50% Load (Gasoline)
7.9
10
Safety & compliance
Overload Protection System
Low oil and overload protection
Low oil and overload protection, CO monitoring
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesYes
Included equipment
Starting Components
Electric starting system
Not available—
Included Accessories
Funnel, battery, and wheel kit
Funnel, tool kit, battery, and wheel kit
Warranty & identification
Commercial Warranty
4
Not available—
Additional specs
Summary
The NorthStar e18000s is a commercial-grade EFI portable generator with electric start, delivering 18,000 surge watts and 15,000 rated watts. It features a NorthStar e825 OHV EFI engine, Quiet Armor Technology for reduced noise, and a heavy-duty steel exoskeleton for durability.
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.
  • Most Powerful
    NorthStar e18000s
    15000W running
  • Quietest
    NorthStar e18000s
    74 dB
  • Longest Runtime
    Pulsar PG6580ECO
    10h at 50% load
Where to buy
Prices can change. We update these automatically.
NorthStar e18000s
Store links
No links yet.
Pulsar PG6580ECO
Store links
No links yet.
Disclosure: Some links may be affiliate links. Specs and comparisons are never hidden.