Skip to content
Skip to main 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.

  • WEN TF1450
  • Cat RP12000 E
  • Model TF1450
    Model TF1450

    WEN 11,500W Tri-Fuel Generator

    11500W
    Running
    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 TF1450Cat RP12000 E
General
Product type
Generator
Generator
Fuel
Tri-Fuel
Gasoline
InverterNoNo
Parallel capableNoNo
RV readyNoYes
Running watts
11500 W
Winner: Winner: 12000 W
Starting watts
14500 W
Winner: Winner: 15000 W
Noise (lower limit)
Not available
0 dB
Weight
Winner: Winner: 224.9 lbs
350 lbs
Run time @50% load
Winner: Winner: 12 h
11.7 h
Run time @25% load
Not available
Not available
Fuel tank
8.2 gal
13.2 gal
Fuel gaugeNoYes
Approx. dimensions (L × W × H)
28.8 x 28.3 x 25.8
35.7 x 32.7 x 35.8
Electrical
Voltage (AC)
120V / 240V
120/240
Voltage (DC)
12
12
GFCI outletsNoYes
Covered outletsNoYes
Automatic Voltage RegulationNoYes
THD
Not available
5 %
Engine
Engine
OHV, 4 Stroke, Single Cylinder
670 cc Rato OHV V-Twin
Alternator
Not available
Not available
Starting system
Not available
Electric
Warranty
Warranty
3 years
2 years
Power by fuel
GasolineNot availableNot available
Running watts
11500 W
12000 W
Starting watts
14500 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
12 h
11.7 h
Run time @25% load
Not available
Not available
Natural gasNot availableNot available
Running watts
8750 W
Not available
Starting watts
10500 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 availableNot available
Running watts
10300 W
Not available
Starting watts
12500 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
6 h
Not available
Run time @25% load
Not available
Not available
Other
Data center
Not available
Not available
Indicators
Not available
false
Compliance
Not available
CARB, EPA
Security
Not available
Not available
Spark arrestorNoYes
Neutral
Not available
true
UPC
Not available
815683023891
Core / High-priority specs
Running Watts (Gasoline)
11500
12000
Running Watts (Propane)
10300
Not available
Running Watts (Natural Gas)
8750
Not available
Starting Watts (Gasoline)
14500
15000
Starting Watts (Propane)
12500
Not available
Starting Watts (Natural Gas)
10500
Not available
Runtime @ 50% Load (Gasoline)
12
11.7
Runtime @ 50% Load (Propane)
6
Not available
AC Outlet Types
Four 120V 5-20R, 120V/240V 30A L14-30R, 120V/240V 50A 14-50R
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, Single Cylinder
670 cc Rato OHV V-Twin
Engine Displacement
500
670
Runtime & fuel system
Runtime @ 50% Load (Gasoline)
12
11.7
Runtime @ 50% Load (Propane)
6
Not available
Outlets & connections
Transfer Switch Compatibility
Yes
Not available
Controls & display
Display Type
Digital data meter
Not available
Safety & compliance
Overload Protection System
Not available
Low oil and overload protection
Low Oil ProtectionNoYes
Included equipment
Mobility Components
Wheel and handle kit
Not available
Starting Components
Not available
Battery, Battery Charger, Wheel Kit
Fuel Connection Components
NG quick-connect adapter
Not available
Included Accessories
Oil, 6-foot LPG connection hose
Oil, funnel, tool kit, battery charger, battery, and wheel kit
Warranty & identification
Residential Warranty
3
Not available
Commercial Warranty
3
Not available
Part Number
Not available
502-3700
Additional specs
Summary
The WEN TF1450 is a tri-fuel generator with a rated wattage of 10300 and a peak wattage of 12500. It features a single-phase, OHV 4-stroke single cylinder engine.
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
    dB
  • Longest Runtime
    WEN TF1450
    12h at 50% load
Where to buy
Prices can change. We update these automatically.
WEN TF1450
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.