Specifications
Generators Category Spec Sheet
Generators provide on-demand electrical power for various applications and can be portable or stationary. Key specifications include power output, engine type, fuel capacity, and noise levels. They are essential for construction sites, events, and emergency power.
AI-updated monthly · Last refresh 7/18/2026
Specifications by system
Power Output
Rated Power5 kW - 2000 kWContinuous power output
Surge Power6 kW - 3000 kWMaximum power for short bursts
Voltage Output120V/240V, 208V, 480VCommon output voltages
Frequency50 Hz, 60 HzStandard electrical frequencies
Engine
Engine TypeDiesel, Gasoline, Natural Gas, PropaneFuel source
Horsepower10 hp - 2500 hpEngine's power rating
Fuel Tank Capacity5 gal - 1000 galSize of the fuel tank
Run Time at 50% Load8 hrs - 72 hrsHow long it can run on a full tank
Dimensions
Length2 ft - 30 ftOverall length of the unit
Width1.5 ft - 8 ftOverall width of the unit
Height2 ft - 12 ftOverall height of the unit
Operating
Weight100 lbs - 80,000 lbsOperating weight of the generator
Noise Level60 dBA - 85 dBASound output at 7 meters
Start TypeElectric, Recoil, RemoteMethod of starting the generator
Weight classes
| Class | Weight range | Typical use |
|---|---|---|
| Portable Small | under 500 lbs | residential, small job sites |
| Medium Duty Towable | 500 lbs - 10,000 lbs | construction, events, emergency backup |
| Heavy Duty Towable/Skid | 10,001 lbs - 40,000 lbs | large construction, industrial, data centers |
| Industrial Stationary | over 40,000 lbs | municipal, utility, large-scale industrial |
Common attachments
Trailer MountFuel Tank SkidsAutomatic Transfer SwitchParallel KitWeather EnclosureBlock HeaterRemote Monitoring SystemExhaust SilencerSpider BoxDistribution Panel
Typical price ranges
Used Entry Level
$1,000 - $10,000Smaller, older units with higher hours
New Mid-Range
$15,000 - $75,000New, mid-sized generators with standard features
Used Industrial
$50,000 - $250,000Large, used industrial-grade units
New High Capacity
$100,000 - $1,000,000+New, very large stationary or custom-built generators
Buyer tip: Always verify the generator's actual power output (kW or kVA), fuel type, and voltage configuration match your application needs. Check for maintenance history and hours of operation for used models.