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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.

  • Powerhorse s12500t
  • Ryobi RY906522
  • Model s12500t
    Model s12500t

    Powerhorse 9,500W Gas Generator

    9500W
    Running
    97 dB
    Noise
    View details
  • Model RY906522
    Model RY906522

    Ryobi 6,800W Gas Generator

    6800W
    Running
    83 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
SpecificationPowerhorse s12500tRyobi RY906522
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterNoNo
Parallel capableNoNo
RV readyNoNo
Running watts
Winner: Winner: 9500 W
6800 W
Starting watts
Winner: Winner: 12500 W
8500 W
Noise (lower limit)
97 dB
Winner: Winner: 83 dB
Weight
235 lbs
Winner: Winner: 176 lbs
Run time @50% load
Winner: Winner: 9 h
Winner: Winner: 9 h
Run time @25% load
Not available—
Not available—
Fuel tank
6.6 gal
6 gal
Fuel gaugeYesNo
Approx. dimensions (L × W × H)
29.3 x 26.7 x 26.4
35 x 29 x 24.5
Electrical
Voltage (AC)
120/240
120/240
Voltage (DC)
5
Not available—
GFCI outletsYesYes
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
<23% %
<20% %
Engine
Engine
457 cc OHV 4-stroke
420 cc OHV 4-stroke
Alternator
Not available—
Not available—
Starting system
Recoil, Electric, Remote
Recoil
Warranty
Warranty
2 years
3 years
Power by fuel
GasolineNot available—Not available—
Running watts
9500 W
6800 W
Starting watts
12500 W
8500 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 h
9 h
Run time @25% load
Not available—
Not available—
Natural gasNot available—Not available—
Running watts
7125 W
Not available—
Starting watts
9375 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
9375 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—
Other
Data center
Not available—
Not available—
Indicators
true
false
Compliance
EPA, ANSI/PGMA G300-2023
EPA, ANSI/PGMA G300-2023
Security
Not available—
Not available—
Spark arrestorYesYes
Neutral
true
true
UPC
840321764034
46396033550
Core / High-priority specs
Running Watts (Gasoline)
9500
6800
Running Watts (Propane)
8550
Not available—
Running Watts (Natural Gas)
7125
Not available—
Starting Watts (Gasoline)
12500
8500
Starting Watts (Propane)
9375
Not available—
Starting Watts (Natural Gas)
9375
Not available—
Runtime @ 50% Load (Gasoline)
9
9
AC Outlet Types
2x Duplex 120V 20A (5-20R) GFCI; 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R)
2x Duplex 120V 20A (5-20R) GFCI1x 120/240V 30A (L14-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
OHV 4-stroke
Engine Displacement
457
420
Runtime & fuel system
Runtime @ 50% Load (Gasoline)
9
9
Safety & compliance
Overload Protection System
Not available—
Low oil and overload protection
Low Oil ProtectionYesNo
Carbon Monoxide MonitoringYesYes
Included equipment
Mobility Components
Yes
Not available—
Starting Components
Recoil, Electric, Remote
Recoil
Fuel Connection Components
natural gas hose with NPT adapter, propane hose
Not available—
Included Accessories
Funnel, tool kit, key fob, natural gas hose with NPT adapter, propane hose, and wheel kit
Oil, tool kit, and wheel kit
Warranty & identification
Part Number
6075695
Not available—
Additional specs
Summary
The Powerhorse s12500t is a versatile 12,500-watt tri-fuel portable generator equipped with electric start and CO shutdown features, suitable for various power needs.
The RYOBI RY906522 is a gasoline-powered portable generator delivering 6800 running watts and 8500 starting watts, featuring a 420cc OHV engine and a 6-gallon fuel tank for up to 9 hours of runtime at 50% load.
  • Most Powerful
    Powerhorse s12500t
    9500W running
  • Quietest
    Ryobi RY906522
    83 dB
  • Longest Runtime
    Powerhorse s12500t
    9h at 50% load
Where to buy
Prices can change. We update these automatically.
Powerhorse s12500t
Store links
No links yet.
Ryobi RY906522
Store links
No links yet.
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