All GeneratorsDealsCompareMy PicksGenerator Finder
All GeneratorsDealsCompareMy PicksGenerator Finder
  • Guides
  • Blog
  • FAQ
  • Rankings

Helping you find the right generator for your needs with objective specs and clear comparisons.

Categories

  • Quiet Generators
  • Inverter Generators
  • Dual-Fuel
  • Home Backup
  • Portable
  • All Brands

Resources

  • Rankings
  • Compare Generators
  • Generator Finder
  • Deals
  • Buying Guides
  • Blog
  • FAQ
  • About Us

Legal

  • Terms of Service
  • Privacy Policy
  • DMCA
  • Disclosures

Disclosure

RightGenerator is reader-supported. When you buy through links on our site, we may earn an affiliate commission at no cost to you.

© 2026 RightGenerator. All rights reserved.

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.

  • Honda EM5000SX
  • Sportsman GEN4000DF
  • Model EM5000SX
    Model EM5000SX

    Honda 4,500W Gas Generator

    4500W
    Running
    63 dB
    Noise
    View details
  • Model GEN4000DF
    Model GEN4000DF

    Sportsman 3,500W Dual-Fuel Generator

    3500W
    Running
    69 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
SpecificationHonda EM5000SXSportsman GEN4000DF
General
Product type
Generator
Generator
Fuel
Gasoline
Dual-Fuel
InverterNoNo
Parallel capableNoNo
RV readyNoYes
Running watts
Winner: Winner: 4500 W
3500 W
Starting watts
Winner: Winner: 5000 W
4000 W
Noise (lower limit)
Winner: Winner: 63 dB
69 dB
Weight
226.4 lbs
Winner: Winner: 90 lbs
Run time @50% load
Winner: Winner: 10.5 h
10 h
Run time @25% load
Not available—
Not available—
Fuel tank
6.2 gal
3.6 gal
Fuel gaugeYesNo
Approx. dimensions (L × W × H)
41.1 x 27.8 x 28.3
24.5 x 17 x 16.5
Electrical
Voltage (AC)
120/240
120
Voltage (DC)
12
12
GFCI outletsYesNo
Covered outletsYesNo
Automatic Voltage RegulationYesYes
THD
Not available—
Not available—
Engine
Engine
Honda iGX390 OHV 4-stroke, cast iron sleeve
212 cc OHV 4-stroke
Alternator
Not available—
Not available—
Starting system
Not available—
Recoil
Warranty
Warranty
3 years
1 years
Power by fuel
GasolineNot available—Not available—
Running watts
4500 W
3500 W
Starting watts
5000 W
4000 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
10 h
Run time @25% load
Not available—
Not available—
PropaneNot available—Not available—
Running watts
Not available—
3100 W
Starting watts
Not available—
3600 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—
12 h
Run time @25% load
Not available—
Not available—
Other
Data center
Not available—
Not available—
Indicators
false
false
Compliance
EPA, ANSI/PGMA G300-2023
EPA
Security
Not available—
Not available—
Spark arrestorYesYes
Neutral
Not available—
Not available—
UPC
786102007412
27077801323
Core / High-priority specs
Running Watts (Gasoline)
4500
3500
Running Watts (Propane)
Not available—
3100
Starting Watts (Gasoline)
5000
4000
Starting Watts (Propane)
Not available—
3600
Runtime @ 50% Load (Gasoline)
10.5
10
Runtime @ 50% Load (Propane)
Not available—
12
AC Outlet Types
2x Duplex 120V 20A (5-20R) GFCI1x 120V 30A (L5-30R)1x 120/240V 30A (L14-30R)
2x Duplex 120V 20A (5-20R); 1x 120V 30A (TT-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
Not available—
OHV 4-stroke
Engine Displacement
389
212
Cylinder Sleeve
cast iron sleeve
Not available—
Engine Oil Type
Not available—
SAE10W-30
Runtime & fuel system
Runtime @ 50% Load (Gasoline)
10.5
10
Runtime @ 50% Load (Propane)
Not available—
12
Safety & compliance
Overload Protection System
Not available—
Low oil and overload protection
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesNo
Included equipment
Mobility Components
Yes
Not available—
Starting Components
Recoil, Electric, Remote
Not available—
Included Accessories
Battery and wheel kit
Funnel, tool kit, propane hose, and battery charging cables
Warranty & identification
Commercial Warranty
3
Not available—
Part Number
EM5000SXK3AN
Not available—
Additional specs
Summary
The Honda EM5000SX is a 5000-watt 120/240V generator equipped with CO-MINDER™, providing 7,000 watts for 10 seconds to start larger equipment. It features a long run time of up to 10.5 hours, electric start, and Bluetooth® capability via the Honda My Generator app.
The Sportsman GEN4000DF is a dual fuel generator capable of producing 4,000 surge watts and 3,500 running watts, suitable for powering RVs, household appliances, and power tools.
  • Most Powerful
    Honda EM5000SX
    4500W running
  • Quietest
    Honda EM5000SX
    63 dB
  • Longest Runtime
    Honda EM5000SX
    10.5h at 50% load
Where to buy
Prices can change. We update these automatically.
Honda EM5000SX
Store links
No links yet.
Sportsman GEN4000DF
Store links
No links yet.
Disclosure: Some links may be affiliate links. Specs and comparisons are never hidden.