Skip to content
Skip to main content
WEN DF450i vs Westinghouse iGen4000DFc

WEN DF450i vs Westinghouse iGen4000DFc

WEN DF450i offers higher 4500 starting watts, while Westinghouse iGen4000DFc is quieter at 52 dB and lighter at 62.8 lb.

  • WEN DF450i
  • Westinghouse iGen4000DFc

Comparison Overview

The biggest real-world difference is portability and noise versus extra surge power. The WEN DF450i delivers 4500 starting watts and 3500 running watts, giving you a bit more headroom for motor starts (like a fridge compressor or a small pump). The Westinghouse iGen4000DFc comes in slightly lower at 4000 starting watts and 3300 running watts, but it’s notably easier to move around.

If you care about campsite or neighborhood friendliness, the Westinghouse has the edge at 52 dB versus 58 dB for the WEN. Weight is an even bigger separator: 62.8 lb for the Westinghouse compared with 100 lb for the WEN, which can change whether one person can load it into an RV or truck without help.

Runtime data is uneven, but the Westinghouse lists 7 hours at 25% load, while the WEN lists 8.5 hours at 50% load, so real comparisons depend on how hard you’ll run them. Both are dual-fuel inverter generators with 3-year warranties, so the better pick comes down to whether you value lighter, quieter operation (Westinghouse) or more starting power (WEN).

Key takeaways

  • WEN DF450i: **4500 starting watts** and 3500 running watts for more surge headroom.
  • Westinghouse iGen4000DFc: **52 dB** noise and **62.8 lb** weight for easier transport.
  • WEN DF450i: 58 dB noise and 100 lb weight, better when portability matters less.
  • Westinghouse iGen4000DFc: 4000 starting watts and 3300 running watts for lighter-duty backup.
  • Both: Dual-fuel inverter generators with **3-year warranties** for flexible fueling and cleaner power.

Best use cases

Choose the WEN DF450i if you want extra surge capacity for home backup basics and tougher starts. With 4500 starting watts and 3500 running watts, it’s the better fit when you expect frequent compressor or motor cycling, like keeping a refrigerator and freezer going while also running lights, a router, and a microwave in short bursts. It can also make sense for an RV setup where you want a little more cushion for startup spikes, as long as you are comfortable handling a 100 lb unit. The tradeoff is convenience: it’s heavier to lift, and at 58 dB it’s not loud, but it’s less “quiet-campground” friendly than the Westinghouse.

Choose the Westinghouse iGen4000DFc if you prioritize easy transport, lower noise, and flexible light-duty power. At 62.8 lb and 52 dB, it’s a strong match for camping, tailgating, and RV trips where one person may need to move the generator, and where neighbors are close by. Its 3300 running watts is still plenty for battery chargers, a coffee maker, lights, fans, and a fridge, but the 4000 starting watts means you may need to be more mindful about stacking motor loads or starting multiple appliances at once. It also lists 7 hours at 25% load, which aligns well with overnight low-draw use, though heavy loads will shorten that.

Both being dual-fuel inverter models, either can be a practical choice when you want cleaner power for electronics and the option to run on propane for easier storage.

Verdict & recommendation

If your priority is moving the generator often, keeping noise down, and having a unit that’s realistically manageable solo, the Westinghouse iGen4000DFc is the more convenient day-to-day companion with 52 dB operation and a 62.8 lb carry weight. If your priority is a little more breathing room for startup surges and you expect more frequent motor cycling during outages, the WEN DF450i’s 4500 starting watts can reduce nuisance overloads, even though you pay for it in weight at 100 lb.

Both are dual-fuel inverter generators with 3-year warranties, so the decision is less about quality tier and more about matching your typical load and how often you’ll transport it. Pick the one that best fits your noise tolerance, lifting needs, and how “spiky” your appliances are.

Last updated February 26, 2026

  • Model DF450i
    Model DF450i

    WEN 3,500W Dual-Fuel Generator

    3500W
    Running
    58 dB
    Noise
    View details
  • Model iGen4000DFc
    Model iGen4000DFc

    Westinghouse 3,300W Dual-Fuel Generator

    3300W
    Running
    52 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
SpecificationWEN DF450iWestinghouse iGen4000DFc
General
Product type
Generator
Generator
Fuel
Dual-Fuel
Dual-Fuel
InverterYesYes
Parallel capableYesYes
RV readyYesYes
Running watts
Winner: Winner: 3500 W
3300 W
Starting watts
Winner: Winner: 4500 W
4000 W
Noise (lower limit)
58 dB
Winner: Winner: 52 dB
Weight
100 lbs
Winner: Winner: 62.8 lbs
Run time @50% load
Winner: Winner: 8.5 h
Not available
Run time @25% load
Not available
7 h
Fuel tank
2.2 gal
1.66 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
23.2 x 18 x 20.1
21.3 x 12.6 x 19.3
Electrical
Voltage (AC)
120
120
Voltage (DC)
12
Not available
GFCI outletsNoNo
Covered outletsNoYes
Automatic Voltage RegulationYesYes
THD
1.2 %
<3% %
Engine
Engine
212 cc OHV 4-stroke engine.
141 cc OHV 4-stroke
Alternator
Not available
Not available
Starting system
Recoil
Recoil, Electric, Remote
Warranty
Warranty
3 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
3500 W
3300 W
Starting watts
4500 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
8.5 h
Not available
Run time @25% load
Not available
7 h
PropaneNot availableNot available
Running watts
3150 W
2970 W
Starting watts
4500 W
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
9 h
Not available
Run time @25% load
Not available
17 h
Other
Data center
Not available
Not available
Indicators
true
true
Compliance
EPA
EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Floating.
true
UPC
44459904502
850032657723
Core / High-priority specs
Running Watts (Gasoline)
3500
3300
Running Watts (Propane)
3150
2970
Starting Watts (Gasoline)
4500
4000
Starting Watts (Propane)
4500
3600
Runtime @ 50% Load (Gasoline)
8.5
Not available
Runtime @ 50% Load (Propane)
9
Not available
Runtime @ 25% Load (Gasoline)
Not available
7
Runtime @ 25% Load (Propane)
Not available
17
AC Outlet Types
1x Duplex 120V 20A (5-20R); 1x 120V 30A (TT-30R)
1x Duplex 120V 20A (5-20R); 1x 120V 30A (TT-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke engine.
OHV 4-stroke
Engine Displacement
212
141
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
Not available
7
Runtime @ 50% Load (Gasoline)
8.5
Not available
Runtime @ 50% Load (Propane)
9
Not available
Safety & compliance
Overload Protection System
Low oil and overload protection.
Not available
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringNoYes
Included equipment
Included Accessories
Funnel, tool kit, and propane hose
Oil, funnel, tool kit, key fob, battery charger, propane hose, battery, and parallel cables
Warranty & identification
Commercial Warranty
3
Not available
Additional specs
Summary
The WEN DF450i is a 4500-watt dual fuel inverter generator designed for quiet operation and portability, suitable for RVs and sensitive electronics.
The Westinghouse iGen4000DFc is a dual fuel inverter generator that offers 4,000 peak watts and 3,300 running watts, suitable for both recreational activities and emergency backup power.
  • Most Powerful
    WEN DF450i
    3500W running
  • Quietest
    Westinghouse iGen4000DFc
    52 dB
  • Longest Runtime
    WEN DF450i
    8.5h at 50% load
Where to buy
Prices can change. We update these automatically.
WEN DF450i
Store links
No links yet.
Westinghouse iGen4000DFc
Store links
No links yet.
Disclosure: Some links may be affiliate links. Specs and comparisons are never hidden.