Generac GP3600 vs Westinghouse WGen3600DFc

Last updated: October 28, 2026

The Westinghouse WGen3600DFc is the better portable generator overall, rated 4.1 to 3.4. The Westinghouse WGen3600DFc leads on fuel options, starting and run time. The Westinghouse WGen3600DFc costs $50 less ($499 vs $549).

Generac GP3600 vs Westinghouse WGen3600DFc

Higher rated
Westinghouse WGen3600DFc

A small dual-fuel generator with remote start for an RV or for a fridge, lights and a sump pump in an outage. Worth the step up from the pull-start WGen3600DFcv if you want to start it from indoors.

Amazon $499
$499
Generac GP3600

A small gasoline generator for a fridge, a freezer, lights and a sump pump in an outage, or tools on a job site. Pick it for low cost and easy handling, not for whole-house backup.

Amazon $549
$549

Prices were last checked October 28, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.

Which should you buy?

Scores side by side

Each factor is scored 0-100 against the same fixed reference points for every small portable generator; a clear win is highlighted. How we rank explains each one.

Factor weightWestinghouse WGen3600DFcGenerac GP3600
Overall rating4.1/53.4/5
Value 30%85 $0.14 per running watt79 $0.15 per running watt
Run time 15%65 10.5 hours on a tank at 50% load53 9.3 hours on a tank at 50% load
Fuel options 15%70 gasoline or propane0 gasoline only
Home hookup 15%40 120 V 30 A outlet only (no 240 V)40 120 V 30 A outlet only (no 240 V)
CO safety 10%100 shuts off when carbon monoxide builds up100 shuts off when carbon monoxide builds up
Warranty 10%67 3-year warranty67 3-year warranty
Starting 5%100 electric start with a remote fob or app0 pull start only

Specifications

Westinghouse WGen3600DFcGenerac GP3600
Output
Gasoline3,600 W running, 4,650 W starting3,600 W running, 4,500 W starting
Propane3,240 W running, 4,180 W starting-
Outlets2 × 120 V, TT-30 (RV), L5-304 × 120 V, L5-30
Transfer switch ready120 V only (L5-30)120 V only (L5-30)
Full power at 120 V-No
Total harmonic distortionunder 23%-
Price per watt$0.14$0.15
Fuel and run time
FuelGasoline, propaneGasoline
Tank4 gal3.7 gal
Run time (gasoline)10.5 hr at 50% load9.3 hr at 50% load
Run time (propane, 20 lb tank)14 hr-
Engine212 cc212 cc
Noise and safety
Rated noise68 dBA-
CO shutoffYesYes
CARB compliantNoNo
Build
StartingRemote, electric and recoilRecoil (pull)
WheelsYesYes
Dimensions23.3 x 22.8 x 21.3 in24 x 22.5 x 21.3 in
Weight121.1 lb105 lb
Warranty3 years3 years
Released2022-052023-12

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