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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.

  • DuroMax XP13000HXT
  • Cat RP12000 E
  • Model XP13000HXT
    Model XP13000HXT

    DuroMax 10,500W Tri-Fuel Generator

    10500W
    Running
    74 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
SpecificationDuroMax XP13000HXTCat RP12000 E
General
Product type
Generator
Generator
Fuel
Tri-Fuel
Gasoline
InverterNoNo
Parallel capableNoNo
RV readyYesYes
Running watts
10500 W
Winner: Winner: 12000 W
Starting watts
13000 W
Winner: Winner: 15000 W
Noise (lower limit)
Winner: Winner: 74 dB
0 dB
Weight
Winner: Winner: 240 lbs
350 lbs
Run time @50% load
8.5 h
Winner: Winner: 11.7 h
Run time @25% load
17 h
Not available—
Fuel tank
8.3 gal
13.2 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
30 x 29 x 26
35.7 x 32.7 x 35.8
Electrical
Voltage (AC)
120/240
120/240
Voltage (DC)
Not available—
12
GFCI outletsYesYes
Covered outletsNoYes
Automatic Voltage RegulationYesYes
THD
Not available—
5 %
Engine
Engine
500 cc OHV 4-stroke, cast iron sleeve
670 cc Rato OHV V-Twin
Alternator
Not available—
Not available—
Starting system
Not available—
Electric
Warranty
Warranty
5 years
2 years
Power by fuel
GasolineNot available—Not available—
Running watts
10500 W
12000 W
Starting watts
13000 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
8.5 h
11.7 h
Run time @25% load
17 h
Not available—
Natural gasNot available—Not available—
Running watts
8500 W
Not available—
Starting watts
10000 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
9500 W
Not available—
Starting watts
12000 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
3.2 h
Not available—
Run time @25% load
6.5 h
Not available—
Other
Data center
Not available—
Not available—
Indicators
true
false
Compliance
CARB, EPA
CARB, EPA
Security
Not available—
Not available—
Spark arrestorYesYes
Neutral
Not available—
true
UPC
811640016470
815683023891
Core / High-priority specs
Running Watts (Gasoline)
10500
12000
Running Watts (Propane)
9500
Not available—
Running Watts (Natural Gas)
8500
Not available—
Starting Watts (Gasoline)
13000
15000
Starting Watts (Propane)
12000
Not available—
Starting Watts (Natural Gas)
10000
Not available—
Runtime @ 50% Load (Gasoline)
8.5
11.7
Runtime @ 50% Load (Propane)
3.2
Not available—
Runtime @ 25% Load (Gasoline)
17
Not available—
Runtime @ 25% Load (Propane)
6.5
Not available—
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) 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
500 cc OHV 4-stroke, cast iron sleeve
670 cc Rato OHV V-Twin
Engine Displacement
500
670
Cylinder Sleeve
cast iron sleeve
Not available—
Alternator Winding Material
Copper windings
Not available—
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
17
Not available—
Runtime @ 50% Load (Gasoline)
8.5
11.7
Runtime @ 50% Load (Propane)
3.2
Not available—
Safety & compliance
Overload Protection System
Not available—
Low oil and overload protection
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesNo
Included equipment
Starting Components
Recoil, Electric, Remote
Battery, Battery Charger, Wheel Kit
Fuel Connection Components
natural gas hose with NPT adapter, propane hose
Not available—
Included Accessories
Not available—
Oil, funnel, tool kit, battery charger, battery, and wheel kit
Warranty & identification
Commercial Warranty
5
Not available—
Part Number
Not available—
502-3700
Additional specs
Summary
The DuroMax XP13000HXT is a 10,500-watt tri-fuel generator built around a 500cc OHV engine with cast iron sleeves. It runs on gasoline, propane, or natural gas, which means users can adapt to fuel availability rather than being locked into a single source. At 10,500 running watts, this unit crosses into heavy-duty territory. It can simultaneously power a central air unit, water heater, and multiple household circuits during an outage. For job sites, it handles compressors, circular saws, and angle grinders without strain. The tri-fuel flexibility also makes it valuable for users in regions where propane or natural gas may be cheaper or more accessible than gasoline during extended outages.
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
    DuroMax XP13000HXT
    74 dB
  • Longest Runtime
    Cat RP12000 E
    11.7h at 50% load
Where to buy
Prices can change. We update these automatically.
DuroMax XP13000HXT
Store links
No links yet.
Cat RP12000 E
Store links
No links yet.
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