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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 XP5500HX
  • Sportsman GENMAX1500
  • Model XP5500HX
    Model XP5500HX

    DuroMax 4,500W Dual-Fuel Generator

    4500W
    Running
    69 dB
    Noise
    View details
  • Model GENMAX1500
    Model GENMAX1500

    Sportsman 900W Gas Generator

    900W
    Running
    65 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 XP5500HXSportsman GENMAX1500
General
Product type
Generator
Generator
Fuel
Dual-Fuel
Gasoline
InverterNoNo
Parallel capableNoNo
RV readyNoNo
Running watts
Winner: Winner: 4500 W
900 W
Starting watts
Winner: Winner: 5500 W
1500 W
Noise (lower limit)
69 dB
Winner: Winner: 65 dB
Weight
128 lbs
Winner: Winner: 45 lbs
Run time @50% load
Winner: Winner: 9 h
8 h
Run time @25% load
19 h
Not available—
Fuel tank
4 gal
1 gal
Fuel gaugeYesNo
Approx. dimensions (L × W × H)
23 x 25 x 22
16 x 14 x 16
Electrical
Voltage (AC)
120/240
120
Voltage (DC)
5
12
GFCI outletsYesNo
Covered outletsNoNo
Automatic Voltage RegulationYesNo
THD
Not available—
Not available—
Engine
Engine
210 cc OHV 4-stroke, cast iron sleeve
72 cc 2-stroke
Alternator
Not available—
Not available—
Starting system
Recoil, Electric
Recoil
Warranty
Warranty
5 years
1 years
Power by fuel
GasolineNot available—Not available—
Running watts
4500 W
900 W
Starting watts
5500 W
1500 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
8 h
Run time @25% load
19 h
Not available—
PropaneNot available—Not available—
Running watts
4275 W
Not available—
Starting watts
5225 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
8 h
Not available—
Run time @25% load
15 h
Not available—
Other
Data center
Not available—
Not available—
Indicators
true
false
Compliance
CARB, EPA
EPA
Security
Not available—
Not available—
Spark arrestorYesNo
Neutral
Not available—
Not available—
UPC
811640016203
27077805444
Core / High-priority specs
Running Watts (Gasoline)
4500
900
Running Watts (Propane)
4275
Not available—
Starting Watts (Gasoline)
5500
1500
Starting Watts (Propane)
5225
Not available—
Runtime @ 50% Load (Gasoline)
9
8
Runtime @ 50% Load (Propane)
8
Not available—
Runtime @ 25% Load (Gasoline)
19
Not available—
Runtime @ 25% Load (Propane)
15
Not available—
AC Outlet Types
1x Duplex 120V 20A (5-20R) 1x 120/240V 30A (L14-30R)
1x Duplex 120V 20A (5-20R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
210 cc OHV 4-stroke, cast iron sleeve
2-stroke
Engine Displacement
210
72
Cylinder Sleeve
cast iron sleeve
Not available—
Alternator Winding Material
Copper windings
Not available—
Engine Oil Type
10W-30
Not available—
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
19
Not available—
Runtime @ 50% Load (Gasoline)
9
8
Runtime @ 50% Load (Propane)
8
Not available—
Safety & compliance
Overload Protection System
Low oil and overload protection, CO monitoring
Not available—
Low Oil ProtectionYesNo
Carbon Monoxide MonitoringYesNo
Included equipment
Included Accessories
Funnel, tool kit, propane hose, battery, and wheel kit
Tool kit and battery charging cables
Warranty & identification
Commercial Warranty
5
Not available—
Additional specs
Summary
The DuroMax XP5500HX is a 4,500-watt dual-fuel generator built for homeowners, job sites, and outdoor events. Running on either gasoline or propane, it delivers 5,500 peak watts at startup, enough to power refrigerators, air conditioning units, power tools, and multiple devices simultaneously. The dual-fuel design eliminates fuel sourcing constraints. At 25% load on gasoline, the unit runs for 19 hours before refueling, stretching a single tank across an entire workday or overnight camping trip. This runtime advantage makes it practical for extended outages or remote projects where frequent refueling would interrupt operations.
The Sportsman GENMAX1500 is a portable 2-cycle gasoline generator offering 1,500 surge watts and 900 running watts, suitable for powering common household appliances and power tools.
  • Most Powerful
    DuroMax XP5500HX
    4500W running
  • Quietest
    Sportsman GENMAX1500
    65 dB
  • Longest Runtime
    DuroMax XP5500HX
    9h at 50% load
Where to buy
Prices can change. We update these automatically.
DuroMax XP5500HX
Store links
No links yet.
Sportsman GENMAX1500
Store links
No links yet.
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