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

  • Genmax GM2000i
  • Predator 72891
  • Model GM2000i
    Model GM2000i

    Genmax 1,600W Gas Generator

    1600W
    Running
    58 dB
    Noise
    View details
  • Model 72891
    Model 72891

    Predator 1,600W Gas Generator

    1600W
    Running
    58 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
SpecificationGenmax GM2000iPredator 72891
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterYesYes
Parallel capableYesYes
RV readyNoNo
Running watts
Winner: Winner: 1600 W
Winner: Winner: 1600 W
Starting watts
Winner: Winner: 2000 W
Winner: Winner: 2000 W
Noise (lower limit)
Winner: Winner: 58 dB
Winner: Winner: 58 dB
Weight
Winner: Winner: 34.2 lbs
49 lbs
Run time @50% load
Winner: Winner: 8 h
Not available
Run time @25% load
10 h
12 h
Fuel tank
1.1 gal
Not available
Fuel gaugeNoNo
Approx. dimensions (L × W × H)
18.7 x 10.6 x 15.9
22.6 x 12.6 x 18.5
Electrical
Voltage (AC)
120
120V
Voltage (DC)
5
Not available
GFCI outletsNoNo
Covered outletsYesNo
Automatic Voltage RegulationYesNo
THD
≤3% %
Not available
Engine
Engine
79.7 cc Dinking 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
1600 W
Not available
Starting watts
2000 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
8 h
Not available
Run time @25% load
10 h
Not available
Other
Data center
Not available
Not available
Indicators
true
Not available
Compliance
EPA, ANSI/PGMA G300-2023
Not available
Security
Not available
Not available
Spark arrestorYesNo
Neutral
Floating
Not available
UPC
768494055363
Not available
Core / High-priority specs
Running Watts (Gasoline)
1600
Not available
Starting Watts (Gasoline)
2000
Not available
Runtime @ 50% Load (Gasoline)
8
Not available
Runtime @ 25% Load (Gasoline)
10
Not available
AC Outlet Types
1x Duplex 120V 20A (5-20R)
Not available
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
Not available
Engine Displacement
79.7
79
Engine Oil Type
10W-30
Not available
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
10
Not available
Runtime @ 50% Load (Gasoline)
8
Not available
Safety & compliance
Overload Protection System
Low oil and overload protection
Not available
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesYes
Included equipment
Included Accessories
Funnel and Tool Kit
Not available
Warranty & identification
Commercial Warranty
1
Not available
Additional specs
Summary
The Genmax GM2000i is a 1,600-watt gasoline inverter generator built for portable use. Its 2,000 starting watts handle brief motor surges, while the 1,600 running watts sustain household devices, power tools, and small appliances. At 34.2 lbs, it moves easily between campsites, job sites, and storage.
The Predator 72891 is a 2000 Watt Super Quiet Inverter Generator featuring CO SECURE Technology, designed for reliable and quiet power suitable for sensitive electronics.
  • Most Powerful
    Genmax GM2000i
    1600W running
  • Quietest
    Genmax GM2000i
    58 dB
  • Longest Runtime
    Genmax GM2000i
    8h at 50% load
Where to buy
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Genmax GM2000i
Store links
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Predator 72891
Store links
No links yet.
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