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.

  • WEN 56280iX
  • Cat RP12000 E
  • Model 56280iX
    Model 56280iX

    WEN 2,250W Gas Generator

    2250W
    Running
    60 dB
    Noise
    View details
  • Model RP12000 E
    Model RP12000 E

    Cat 12,000W Gas Generator

    12000W
    Running
    0 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
SpecificationWEN 56280iXCat RP12000 E
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterYesNo
Parallel capableYesNo
RV readyNoYes
Running watts
2250 W
Winner: Winner: 12000 W
Starting watts
2800 W
Winner: Winner: 15000 W
Noise (lower limit)
Winner: Winner: 60 dB
0 dB
Weight
Winner: Winner: 41.9 lbs
350 lbs
Run time @50% load
9 h
Winner: Winner: 11.7 h
Run time @25% load
Not available—
Not available—
Fuel tank
1.58 gal
13.2 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
19.7 x 11.6 x 18.7
35.7 x 32.7 x 35.8
Electrical
Voltage (AC)
120
120/240
Voltage (DC)
12
12
GFCI outletsNoYes
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
1.2 %
5 %
Engine
Engine
98 cc OHV 4-stroke
670 cc Rato OHV V-Twin
Alternator
Not available—
Not available—
Starting system
Recoil
Electric
Warranty
Warranty
3 years
2 years
Power by fuel
GasolineNot available—Not available—
Running watts
2250 W
12000 W
Starting watts
2800 W
15000 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
11.7 h
Run time @25% load
Not available—
Not available—
Other
Data center
Not available—
Not available—
Indicators
true
false
Compliance
EPA, ANSI/PGMA G300-2023
CARB, EPA
Security
Not available—
Not available—
Spark arrestorYesYes
Neutral
Floating.
true
UPC
44459562757
815683023891
Core / High-priority specs
Running Watts (Gasoline)
2250
12000
Starting Watts (Gasoline)
2800
15000
Runtime @ 50% Load (Gasoline)
9
11.7
AC Outlet Types
1x Duplex 120V 20A (5-20R)
2x Duplex 120V 20A (5-20R) GFCI; 2x 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
OHV 4-stroke
670 cc Rato OHV V-Twin
Engine Displacement
98
670
Runtime & fuel system
Runtime @ 50% Load (Gasoline)
9
11.7
Safety & compliance
Overload Protection System
Low oil and overload protection
Low oil and overload protection
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesNo
Included equipment
Starting Components
Funnel and tool kit
Battery, Battery Charger, Wheel Kit
Included Accessories
Funnel and tool kit
Oil, funnel, tool kit, battery charger, battery, and wheel kit
Warranty & identification
Commercial Warranty
3
Not available—
Part Number
Not available—
502-3700
Additional specs
Summary
The WEN 56280iX is a 2800-watt inverter generator designed to provide clean and quiet portable power. It features a 98cc engine that delivers up to 2800 surge watts and 2250 rated watts, making it suitable for powering sensitive electronics. The generator includes safety features such as the WEN Watchdog CO Shutdown Sensor and a fuel shutoff to maximize lifespan. Its lightweight design and efficient fuel consumption make it ideal for various outdoor activities.
The Cat RP12000 E is a 12,000-watt gasoline generator built for job sites, construction crews, and homeowners who need sustained power for multiple heavy tools or appliances simultaneously. The 15,000-watt peak output handles startup surges from air compressors, circular saws, and welders without stalling. At 350 pounds, this is a stationary or semi-portable unit. It ships with a wheel kit, battery charger, and full tool set, meaning users can operate it immediately without additional purchases.
  • Most Powerful
    Cat RP12000 E
    12000W running
  • Quietest
    WEN 56280iX
    60 dB
  • Longest Runtime
    Cat RP12000 E
    11.7h at 50% load
Where to buy
Prices can change. We update these automatically.
WEN 56280iX
Store links
No links yet.
Cat RP12000 E
Store links
No links yet.
Disclosure: Some links may be affiliate links. Specs and comparisons are never hidden.