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.

  • Generac #8063 GP9500ETF
  • Genmax GM2200i
  • Model #8063 GP9500ETF
    Model #8063 GP9500ETF

    Generac 9,500W Tri-Fuel Generator

    9500W
    Running
    0 dB
    Noise
    View details
  • Model GM2200i
    Model GM2200i

    Genmax 1,800W Gas Generator

    1800W
    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
SpecificationGenerac #8063 GP9500ETFGenmax GM2200i
General
Product type
Generator
Generator
Fuel
Tri-Fuel
Gasoline
InverterNoYes
Parallel capableNoYes
RV readyYesNo
Running watts
Winner: Winner: 9500 W
1800 W
Starting watts
Winner: Winner: 12500 W
2200 W
Noise (lower limit)
0 dB
Winner: Winner: 58 dB
Weight
219 lbs
Winner: Winner: 41.9 lbs
Run time @50% load
Winner: Winner: 9.5 h
6 h
Run time @25% load
14 h
8 h
Fuel tank
7.5 gal
1 gal
Fuel gaugeYesNo
Approx. dimensions (L × W × H)
27.5 x 27.1 x 27.6
18.9 x 11.4 x 17.3
Electrical
Voltage (AC)
120/240
120
Voltage (DC)
Not available—
5
GFCI outletsYesNo
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
Not available—
<3% %
Engine
Engine
OHV 4-stroke
79.7 cc Dinking OHV 4-stroke
Alternator
Not available—
Not available—
Starting system
Recoil, Electric
Recoil
Warranty
Warranty
3 years
1 years
Power by fuel
GasolineNot available—Not available—
Running watts
9500 W
1800 W
Starting watts
12500 W
2200 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
9.5 h
6 h
Run time @25% load
14 h
8 h
Natural gasNot available—Not available—
Running watts
7000 W
Not available—
Starting watts
9000 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
Not available—
Not available—
Run time @25% load
Not available—
Not available—
PropaneNot available—Not available—
Running watts
8550 W
Not available—
Starting watts
11250 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
4.5 h
Not available—
Run time @25% load
6 h
Not available—
Other
Data center
Not available—
Not available—
Indicators
false
true
Compliance
EPA, ANSI/PGMA G300-2023
EPA, ANSI/PGMA G300-2023
Security
Not available—
Not available—
Spark arrestorYesYes
Neutral
true
Not available—
UPC
696471104523
738349925141
Core / High-priority specs
Running Watts (Gasoline)
9500
1800
Running Watts (Propane)
8550
Not available—
Running Watts (Natural Gas)
7000
Not available—
Starting Watts (Gasoline)
12500
2200
Starting Watts (Propane)
11250
Not available—
Starting Watts (Natural Gas)
9000
Not available—
Runtime @ 50% Load (Gasoline)
9.5
6
Runtime @ 50% Load (Propane)
4.5
Not available—
Runtime @ 25% Load (Gasoline)
14
8
Runtime @ 25% Load (Propane)
6
Not available—
AC Outlet Types
1x Duplex 120V 20A (5-20R) GFCI; 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R)
1x Duplex 120V 20A (5-20R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
Dinking OHV 4-stroke
Engine Displacement
400
79.7
Engine Oil Type
10W-30 / SAE 30
10W-30
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
14
8
Runtime @ 50% Load (Gasoline)
9.5
6
Runtime @ 50% Load (Propane)
4.5
Not available—
Safety & compliance
Overload Protection System
Low oil and overload protection, CO monitoring
Low oil and overload protection, CO monitoring
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesYes
Included equipment
Mobility Components
Yes
Not available—
Starting Components
Recoil, Electric
Not available—
Fuel Connection Components
propane hose
Not available—
Included Accessories
Oil, propane hose, battery, and wheel kit
Funnel and tool kit
Warranty & identification
Residential Warranty
3
Not available—
Additional specs
Summary
The Generac GP9500ETF is a 9,500-watt tri-fuel generator built for whole-house backup and job site power. Its ability to run on gasoline, propane, or natural gas means users gain real fuel flexibility when one source becomes scarce during extended outages. The 12,500 starting watts provide enough surge capacity to handle motor-driven loads like well pumps and air handler fans without tripping breakers. This is a stationary workhorse, not a portable unit.
The GENMAX GM2200i is a 2200-watt gasoline inverter generator featuring a 79.7cc engine, CO detection, and parallel capability, designed for quiet and efficient power supply.
  • Most Powerful
    Generac #8063 GP9500ETF
    9500W running
  • Quietest
    Genmax GM2200i
    58 dB
  • Longest Runtime
    Generac #8063 GP9500ETF
    9.5h at 50% load
Where to buy
Prices can change. We update these automatically.
Generac #8063 GP9500ETF
Store links
No links yet.
Genmax GM2200i
Store links
No links yet.
Disclosure: Some links may be affiliate links. Specs and comparisons are never hidden.