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DuroStar DS13000MX vs DuroMax XP12000EH

DuroStar DS13000MX vs DuroMax XP12000EH

Comparing the DuroStar DS13000MX and DuroMax XP12000EH dual-fuel generators. See which high-output model fits your home backup or job site needs best.

  • DuroMax XP12000EH
  • DuroStar DS13000MX

Comparison Overview

The DuroStar DS13000MX delivers 10,500 running watts and 13,000 starting watts, giving it a meaningful power advantage over the DuroMax XP12000EH's 9,500 running watts and 12,000 starting watts. That extra 1,000 watts of running capacity can make a real difference when you're powering multiple large appliances or running demanding tools simultaneously. Both are conventional (non-inverter) dual-fuel generators capable of running on gasoline or propane, and both produce 74 dB of noise.

Despite its higher output, the DS13000MX is actually lighter at 209 lbs compared to the XP12000EH's 224 lbs, which is a nice bonus when it comes to transport and positioning. The XP12000EH fights back with slightly better fuel efficiency at lighter loads, offering 19 hours of runtime at 25% load versus the DS13000MX's 17 hours. At 50% load, the numbers are nearly identical (8 hours vs 8.5 hours). Both generators carry a 3-year warranty.

If raw power output and a lighter frame matter most, the DS13000MX has the edge. If you value longer runtime during lighter-demand periods and can live with slightly less wattage, the XP12000EH is a solid alternative.

Key takeaways

  • DuroStar DS13000MX delivers 10,500 running watts, 1,000 more than the XP12000EH
  • DuroMax XP12000EH runs up to 19 hours at 25% load for better fuel efficiency
  • Both produce 74 dB of noise and offer dual-fuel gasoline and propane operation
  • DuroStar DS13000MX weighs 209 lbs, 15 pounds lighter than the XP12000EH at 224 lbs
  • Both carry a 3-year warranty and are conventional non-inverter generators

Best use cases

Choose the DuroStar DS13000MX if you need the highest wattage you can get in this class. With 10,500 running watts, it can comfortably handle a central air conditioner, refrigerator, sump pump, and several lights at the same time. That makes it a strong pick for whole-home emergency backup, especially in larger homes where you don't want to constantly juggle which circuits are active. It's also the better choice for job sites where you might run a welder, air compressor, or other high-draw tools alongside smaller equipment. The fact that it weighs 15 pounds less than the XP12000EH is a practical bonus, though at over 200 lbs, neither generator is something you'll be casually moving around without a wheel kit.

Choose the DuroMax XP12000EH if your power demands are a bit more moderate and you'd rather stretch your fuel supply further. Its 19-hour runtime at 25% load gives you roughly two extra hours compared to the DS13000MX, which matters during extended outages when fuel may be hard to find. At 9,500 running watts, it still has plenty of capacity to run most essential home circuits, including a smaller central AC unit or a window AC alongside other appliances. It's also a capable job site generator for most trades.

Both generators share the same noise level and warranty coverage, so those factors won't tip the scales. The dual-fuel capability on both models gives you flexibility to switch to propane when gasoline is scarce, which is a genuine advantage during storm season. The real decision comes down to whether you need that extra 1,000 watts of running power or would prefer the longer runtime and potentially lower price point that the XP12000EH offers.

Verdict & recommendation

If your priority is maximum power output and you want the lightest option in this matchup, the DuroStar DS13000MX is the stronger pick. Its 10,500 running watts give you more headroom for demanding loads, and it manages to do so in a slightly lighter package. If your priority is fuel efficiency during lighter use and your power needs fall comfortably within 9,500 running watts, the DuroMax XP12000EH delivers excellent value with its longer runtime at quarter load.

Both are capable, well-matched dual-fuel generators with identical noise levels and warranty terms. The best choice depends on whether you'd rather have extra watts or extra hours per tank of fuel. For most home backup scenarios involving central air conditioning, the DS13000MX's additional capacity provides welcome peace of mind. For lighter backup needs or extended runtime situations, the XP12000EH holds its own.

Last updated March 29, 2026

  • Model XP12000EH
    Model XP12000EH

    DuroMax 9,500W Dual-Fuel Generator

    9500W
    Running
    74 dB
    Noise
    View details
  • Model DS13000MX
    Model DS13000MX

    DuroStar 10,500W Dual-Fuel Generator

    10500W
    Running
    74 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 XP12000EHDuroStar DS13000MX
General
Product type
Generator
Generator
Fuel
Dual-Fuel
Dual-Fuel
InverterNoNo
Parallel capableNoNo
RV readyYesYes
Running watts
9500 W
Winner: Winner: 10500 W
Starting watts
12000 W
Winner: Winner: 13000 W
Noise (lower limit)
Winner: Winner: 74 dB
Winner: Winner: 74 dB
Weight
224 lbs
Winner: Winner: 209 lbs
Run time @50% load
8 h
Winner: Winner: 8.5 h
Run time @25% load
19 h
17 h
Fuel tank
8.3 gal
8.3 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
29 x 30 x 26
29.8 x 27.5 x 25.8
Electrical
Voltage (AC)
120/240
120/240
Voltage (DC)
12
Not available
GFCI outletsYesYes
Covered outletsNoYes
Automatic Voltage RegulationYesYes
THD
Not available
Not available
Engine
Engine
457 cc DuroMax OHV 4-stroke, cast iron sleeve
500 cc OHV 4-stroke, cast iron sleeve
Alternator
Not available
Not available
Starting system
Recoil, Electric
Recoil, Electric, Remote
Warranty
Warranty
3 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
9500 W
10500 W
Starting watts
12000 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
8 h
8.5 h
Run time @25% load
19 h
17 h
PropaneNot availableNot available
Running watts
8075 W
9975 W
Starting watts
10200 W
12350 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
3.5 h
3.3 h
Run time @25% load
7 h
6.5 h
Other
Data center
Not available
Not available
Indicators
true
true
Compliance
CARB, EPA
EPA, ANSI/PGMA G300-2023
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Not available
true
UPC
811640014681
811640016746
Core / High-priority specs
Running Watts (Gasoline)
9500
10500
Running Watts (Propane)
8075
9975
Starting Watts (Gasoline)
12000
13000
Starting Watts (Propane)
10200
12350
Runtime @ 50% Load (Gasoline)
8
8.5
Runtime @ 50% Load (Propane)
3.5
3.3
Runtime @ 25% Load (Gasoline)
19
17
Runtime @ 25% Load (Propane)
7
6.5
AC Outlet Types
1x 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 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
OHV 4-stroke, cast iron sleeve
Engine Displacement
457
500
Cylinder Sleeve
cast iron sleeve
Cast iron sleeve
Alternator Winding Material
Copper windings
Copper windings
Engine Oil Type
Not available
10W-30
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
19
17
Runtime @ 50% Load (Gasoline)
8
8.5
Runtime @ 50% Load (Propane)
3.5
3.3
Controls & display
Display Type
Voltmeter
Not available
Safety & compliance
Overload Protection System
Low oil and overload protection
Low oil and overload protection, CO monitoring
Low Oil ProtectionYesNo
Carbon Monoxide MonitoringNoYes
Included equipment
Starting Components
Not available
Recoil, Electric, Remote
Included Accessories
Funnel, tool kit, propane hose, battery, and wheel kit
Funnel, tool kit, key fob, battery charger, propane hose, battery, and wheel kit
Warranty & identification
Commercial Warranty
3
3
Additional specs
Summary
The DuroMax XP12000EH is a 9,500-watt dual-fuel generator built around a 457 cc OHV 4-stroke engine with cast iron sleeves. This wattage class handles simultaneous operation of multiple household appliances, power tools, and RV systems. The dual-fuel capability means users can switch between gasoline and propane based on fuel availability and storage preferences. Gasoline delivers 9,500 running watts with an 8-hour runtime at 50% load. Propane reduces output to 8,075 running watts but extends runtime to 19 hours at 25% load, making it the better choice for extended backup scenarios where refueling frequency matters. The 12,000 peak watts handle motor inrush demands during startup of compressors, pumps, and air conditioning units.
The DuroStar DS13000MX is a dual-fuel generator with a rated wattage of 10500 watts and a peak wattage of 13000 watts. It features a 500 cc OHV 4-stroke engine and is designed for versatile power needs.
  • Most Powerful
    DuroStar DS13000MX
    10500W running
  • Quietest
    DuroMax XP12000EH
    74 dB
  • Longest Runtime
    DuroStar DS13000MX
    8.5h at 50% load
Where to buy
Prices can change. We update these automatically.
DuroMax XP12000EH
Store links
No links yet.
DuroStar DS13000MX
Store links
No links yet.
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