Skip to content

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 #5802 XG10000E
  • Powerhorse 13000ES
  • Model #5802 XG10000E
    Model #5802 XG10000E

    Generac 10,000W Gas Generator

    10000W
    Running
    0 dB
    Noise
    View details
  • Model 13000ES
    Model 13000ES

    Powerhorse 10,000W Gas Generator

    10000W
    Running
    77 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 #5802 XG10000EPowerhorse 13000ES
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterNoNo
Parallel capableNoNo
RV readyYesNo
Running watts
Winner: Winner: 10000 W
Winner: Winner: 10000 W
Starting watts
12500 W
Winner: Winner: 13000 W
Noise (lower limit)
0 dB
Winner: Winner: 77 dB
Weight
Winner: Winner: 300 lbs
324 lbs
Run time @50% load
10 h
Winner: Winner: 15 h
Run time @25% load
Not available
Not available
Fuel tank
10 gal
12.6 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
31.2 x 29.5 x 31.3
33.5 x 24.4 x 25.6
Electrical
Voltage (AC)
120/240V
120/240
Voltage (DC)
Not available
12
GFCI outletsYesNo
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
<5% %
5 %
Engine
Engine
Generac OHVI 4-stroke
622 cc OHV 4-stroke
Alternator
Not available
Not available
Starting system
Electric
Recoil, Electric
Warranty
Warranty
2 years
2 years
Power by fuel
GasolineNot availableNot available
Running watts
10000 W
10000 W
Starting watts
12500 W
13000 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
10 h
15 h
Run time @25% load
Not available
Not available
Other
Data center
Not available
Not available
Indicators
false
false
Compliance
EPA
EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
true
true
UPC
696471058024
Not available
Core / High-priority specs
Running Watts (Gasoline)
10000
10000
Starting Watts (Gasoline)
12500
13000
Runtime @ 50% Load (Gasoline)
10
15
AC Outlet Types
2x Duplex 120V 20A (5-20R) GFCI1x 120V 30A (L5-30R)1x 120/240V 30A (L14-30R)1x 120/240V 50A (14-50R)
2x Duplex 120V 20A (5-20R); 1x 120V 30A (L5-30R); 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
Generac OHVI 4-stroke
OHV 4-stroke
Engine Displacement
530
622
Engine Oil Type
10W-30 / SAE 30
Not available
Runtime & fuel system
Runtime @ 50% Load (Gasoline)
10
15
Safety & compliance
Overload Protection System
Low oil and overload protection
Low oil and overload protection
Low Oil ProtectionYesYes
Included equipment
Starting Components
Oil, tool kit, battery, and wheel kit
Not available
Included Accessories
Oil, tool kit, battery, and wheel kit
Tool kit and wheel kit
Warranty & identification
Commercial Warranty
Not available
2
Part Number
5802
799215
Additional specs
Summary
The Generac #5802 XG10000E is a 10,000-watt gasoline generator built for whole-home backup and heavy-duty jobsite power. With 12,500 starting watts, it handles central air conditioners, refrigerators, sump pumps, and high-draw tools simultaneously. The 10-gallon tank delivers 10 hours of runtime at 50% load, reducing refueling interruptions during extended outages.
The Powerhorse 13000ES is a portable generator featuring a 622cc OHV engine with electric start, delivering 13,000 surge watts and 10,000 rated watts. It includes a 12.6-gallon fuel tank, providing up to 15 hours of runtime at half load.
  • Most Powerful
    Generac #5802 XG10000E
    10000W running
  • Quietest
    Powerhorse 13000ES
    77 dB
  • Longest Runtime
    Powerhorse 13000ES
    15h at 50% load
Where to buy
Prices can change. We update these automatically.
Generac #5802 XG10000E
Store links
No links yet.
Powerhorse 13000ES
Store links
No links yet.
Disclosure: Some links may be affiliate links. Specs and comparisons are never hidden.