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Genmax GM17000iETC vs DuroMax XP16000iHT

Genmax GM17000iETC vs DuroMax XP16000iHT

Compare two tri-fuel inverter powerhouses: Genmax 17,000W lighter and quieter, DuroMax 16,000W longer runtime and 5-year warranty for home backup.

  • DuroMax XP16000iHT
  • Genmax GM17000iETC

Comparison Overview

The biggest separation is long-term ownership confidence versus portability: the DuroMax XP16000iHT backs its tri-fuel inverter platform with a 5-year warranty, while the Genmax GM17000iETC counters with slightly higher output and an easier-to-move package.

On power, both are true high-output inverter generators for serious home backup. The Genmax delivers 13,500 running watts and 17,000 starting watts, edging the DuroMax at 13,000 running watts and 16,000 starting watts. That extra starting headroom can matter for big motor loads like well pumps or larger HVAC starts, especially if you are trying to avoid load-shedding.

For day-to-day livability, the Genmax is rated 63 dB versus 67 dB for the DuroMax, and it weighs 313 lb versus 368 lb, which is a meaningful difference if you roll it out often. The DuroMax fights back with longer stated run time at 25% load, 18.2 hours versus 14 hours, and it also lists 10.5 hours at 50% load.

If you want the lighter, quieter unit with a bit more surge capacity, the Genmax fits well, while buyers prioritizing longer run time and warranty coverage may lean DuroMax.

Key takeaways

  • Genmax GM17000iETC delivers 13,500 running watts and 17,000 starting watts.
  • DuroMax XP16000iHT provides 13,000 running watts and 16,000 starting watts.
  • Genmax is quieter at 63 dB and lighter at 313 lb.
  • DuroMax runs longer, 18.2 hours at 25% load and 10.5 hours at 50%.
  • DuroMax includes a 5-year warranty, Genmax is covered for 1 year.
  • Both are tri-fuel inverter generators suited for serious home backup power.

Best use cases

Choose the Genmax GM17000iETC if you want the most output in this pair and you expect frequent roll-outs. With 17,000 starting watts and 13,500 running watts, it is better positioned for tougher start-up moments, like a well pump kicking on while the fridge and freezer are already running. It is also the easier unit to live with when you are moving it around the driveway or job site, because it is 313 lb versus 368 lb, and it is rated quieter at 63 dB. If you are in a neighborhood where generator noise is a real concern, that lower rating can be a practical quality-of-life upgrade. The tradeoff is ownership coverage, because the warranty is 1 year, and the stated run time at 25% load is shorter at 14 hours, so you may refuel more often during extended outages.

Choose the DuroMax XP16000iHT if your priority is longer unattended run time and long-term peace of mind. Its 18.2-hour run time at 25% load (and 10.5 hours at 50% load) is a strong fit for overnight home backup, especially if you are trying to avoid refueling in the dark or during bad weather. The 5-year warranty is also a big deal for a generator in this price and power class, particularly if you plan to keep it for many seasons of storm readiness. You give up a bit of peak capability at 16,000 starting watts, it is louder at 67 dB, and the 368 lb weight makes it less appealing if you need to transport it frequently for work or events.

Both being tri-fuel inverter models makes either one a flexible home-backup choice, but the better fit depends on whether you value easier handling and slightly higher surge, or longer run time and warranty coverage.

Verdict & recommendation

If your priority is the highest surge capacity and a generator that is a bit easier to maneuver and live next to, the Genmax GM17000iETC is the better match, thanks to 17,000 starting watts, 63 dB noise, and 313 lb weight. If your priority is longer run time between refuels and stronger long-term coverage, the DuroMax XP16000iHT stands out with 18.2 hours at 25% load, 10.5 hours at 50% load, and a 5-year warranty.

In practice, pick Genmax for frequent roll-outs and tougher start-up loads, and pick DuroMax for extended outages where run time and warranty reassurance matter most.

Last updated February 28, 2026

  • Model XP16000iHT
    Model XP16000iHT

    DuroMax 13,000W Tri-Fuel Generator

    13000W
    Running
    67 dB
    Noise
    View details
  • Model GM17000iETC
    Model GM17000iETC

    Genmax 13,500W Tri-Fuel Generator

    13500W
    Running
    63 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 XP16000iHTGenmax GM17000iETC
General
Product type
Generator
Generator
Fuel
Tri-Fuel
Tri-Fuel
InverterYesYes
Parallel capableYesNo
RV readyYesYes
Running watts
13000 W
Winner: Winner: 13500 W
Starting watts
16000 W
Winner: Winner: 17000 W
Noise (lower limit)
67 dB
Winner: Winner: 63 dB
Weight
368 lbs
Winner: Winner: 313 lbs
Run time @50% load
Winner: Winner: 10.5 h
Not available
Run time @25% load
18.2 h
14 h
Fuel tank
10.6 gal
10.5 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
38.3 x 30.8 x 34.4
33.1 x 31.3 x 33.5
Electrical
Voltage (AC)
120/240
120/240V 60 Hz
Voltage (DC)
Not available
12
GFCI outletsYesNo
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
Low THD %
3 %
Engine
Engine
744 cc OHV V-Twin, Cast iron sleeve.
760 cc OHV V-Twin.
Alternator
Not available
Not available
Starting system
Electric, Remote
Electric, Remote
Warranty
Warranty
5 years
1 years
Power by fuel
GasolineNot availableNot available
Running watts
13000 W
13500 W
Starting watts
16000 W
17000 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
10.5 h
Not available
Run time @25% load
18.2 h
14 h
Natural gasNot availableNot available
Running watts
11200 W
10800 W
Starting watts
13800 W
10800 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
Not available
Not available
Run time @25% load
Not available
Not available
PropaneNot availableNot available
Running watts
12350 W
12500 W
Starting watts
15200 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
Not available
Not available
Run time @25% load
5.5 h
4.5 h
Other
Data center
Not available
Not available
Indicators
true
true
Compliance
EPA, ANSI/PGMA G300-2023
EPA, ANSI/PGMA G300-2023
Security
Not available
Not available
Spark arrestorYesYes
Neutral
true
Not available
UPC
811640017040
752671930901
Core / High-priority specs
Running Watts (Gasoline)
13000
13500
Running Watts (Propane)
12350
12500
Running Watts (Natural Gas)
11200
10800
Starting Watts (Gasoline)
16000
17000
Starting Watts (Propane)
15200
15000
Starting Watts (Natural Gas)
13800
10800
Runtime @ 50% Load (Gasoline)
10.5
Not available
Runtime @ 25% Load (Gasoline)
18.2
14
Runtime @ 25% Load (Propane)
5.5
4.5
AC Outlet Types
2x Duplex 120V 20A (5-20R) GFCI; 2x 120/240V 50A (14-50R)
2x Duplex 120V 20A (5-20R); 1x 120/240V 30A (L14-30R); 2x 120/240V 50A (14-50R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV V-Twin
OHV V-Twin
Engine Displacement
744
760
Cylinder Sleeve
Cast iron sleeve
Not available
Engine Oil Type
Not available
SAE 10W/30
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
18.2
14
Runtime @ 50% Load (Gasoline)
10.5
Not available
Safety & compliance
Overload Protection System
Low oil and overload protection
Low oil and overload protection.
Carbon Monoxide MonitoringYesYes
Included equipment
Starting Components
Electric, Remote
Not available
Included Accessories
Oil, funnel, tool kit, key fob, battery charger, natural gas hose with NPT adapter, propane hose, and battery
Oil, funnel, tool kit, key fob, battery charger, natural gas hose with NPT adapter, propane hose, cover, neutral bonding plug, and battery
Warranty & identification
Residential Warranty
Not available
1
Commercial Warranty
5
1
Additional specs
Summary
The DuroMax XP16000iHT is a 13,000-watt tri-fuel inverter generator built for whole-home backup power and job site work. Because it runs on gasoline, propane, or natural gas, users can adapt to whatever fuel is available during emergencies or extended deployments. The 16,000-watt starting capacity handles motor inrush from air conditioners, well pumps, and compressors, while the 13,000-watt running output sustains multiple heavy loads simultaneously. This means a homeowner can power a refrigerator, heating system, and workshop tools at the same time without overload shutdown. The inverter technology produces clean sine wave power, protecting laptops, medical equipment, and televisions from voltage spikes. Low THD output keeps sensitive electronics safe. At 67 dB, the noise level sits below many job site compressors, making it acceptable for residential neighborhoods during daylight hours.
The Genmax GM17000iETC is a 13,500-watt tri-fuel inverter generator that delivers whole-house backup power or heavy-duty worksite capacity. Running on gasoline, propane, or natural gas gives owners real flexibility when traditional fuel sources are unavailable or delayed during extended outages. The 3% THD output keeps laptops, medical devices, and home theater systems safe from power distortion that conventional generators cause.
  • Most Powerful
    Genmax GM17000iETC
    13500W running
  • Quietest
    Genmax GM17000iETC
    63 dB
  • Longest Runtime
    DuroMax XP16000iHT
    10.5h at 50% load
Where to buy
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DuroMax XP16000iHT
Store links
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Genmax GM17000iETC
Store links
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