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Select up to 4 generators to compare specs, power output, noise levels, runtime and more. Your compare URL is shareable.

  • Honda EM4000SX
  • Powermate #PMC143500 CX3500
  • Model EM4000SX
    Model EM4000SX

    Honda 3,500W Gas Generator

    3500W
    Running
    71 dB
    Noise
    View details
  • No image
    Model #PMC143500 CX3500

    Powermate 3,500W Gas Generator

    3500W
    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
SpecificationHonda EM4000SXPowermate #PMC143500 CX3500
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterNoNo
Parallel capableNoNo
RV readyNoYes
Running watts
Winner: Winner: 3500 W
Winner: Winner: 3500 W
Starting watts
4000 W
Winner: Winner: 4375 W
Noise (lower limit)
Winner: Winner: 71 dB
0 dB
Weight
201 lbs
Winner: Winner: 108 lbs
Run time @50% load
Winner: Winner: 16 h
12.2 h
Run time @25% load
Not available
Not available
Fuel tank
6.2 gal
4.5 gal
Fuel gaugeYesNo
Approx. dimensions (L × W × H)
41.1 x 27.8 x 28.3
25.6 x 23.8 x 21.6
Electrical
Voltage (AC)
120/240
120V
Voltage (DC)
12
Not available
GFCI outletsYesNo
Covered outletsNoNo
Automatic Voltage RegulationYesNo
THD
Not available
Not available
Engine
Engine
Honda iGX270 OHV 4-stroke, cast iron sleeve
Not available
Alternator
Not available
Not available
Starting system
Recoil, Electric, Remote
Not available
Warranty
Warranty
3 years
2 years
Power by fuel
GasolineNot availableNot available
Running watts
3500 W
Not available
Starting watts
4000 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
16 h
Not available
Run time @25% load
Not available
Not available
Other
Data center
Not available
Not available
Indicators
false
Not available
Compliance
CARB, EPA
Not available
Security
Not available
Not available
Spark arrestorYesNo
Neutral
Floating
Not available
UPC
786102005265
Not available
Core / High-priority specs
Running Watts (Gasoline)
3500
Not available
Starting Watts (Gasoline)
4000
Not available
Runtime @ 50% Load (Gasoline)
16
Not available
AC Outlet Types
2x Duplex 120V 20A (5-20R) GFCI1x 120V 30A (L5-30R)1x 120/240V 20A (L14-20R)
Not available
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke, cast iron sleeve
Not available
Engine Displacement
270
208
Cylinder Sleeve
cast iron sleeve
Not available
Engine Oil Type
Not available
SAE 10W-30
Runtime & fuel system
Runtime @ 50% Load (Gasoline)
16
Not available
Safety & compliance
Overload Protection System
Low oil and overload protection
Not available
Low Oil ProtectionYesYes
Included equipment
Included Accessories
Battery and wheel kit
Not available
Warranty & identification
Commercial Warranty
3
Not available
Part Number
EM4000SXAT1
Not available
Additional specs
Summary
The Honda EM4000SX is a 4000-watt portable generator featuring a Honda iGX270 engine, electric start, and a 6.2-gallon fuel tank, providing extended run times and reliable power for various applications.
The Powermate CX3500 is a portable generator designed for various applications, including camping, picnics, tailgating, and emergency home backup. It features a Powermate OHV engine, digital multi-meter, low-oil level shutdown, and a fuel gauge.
  • Most Powerful
    Honda EM4000SX
    3500W running
  • Quietest
    Honda EM4000SX
    71 dB
  • Longest Runtime
    Honda EM4000SX
    16h at 50% load
Where to buy
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Honda EM4000SX
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Powermate #PMC143500 CX3500
Store links
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