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.

  • Firman W03383
  • Predator 73422
  • Model W03383
    Model W03383

    Firman 3,300W Gas Generator

    3300W
    Running
    58 dB
    Noise
    View details
  • Model 73422
    Model 73422

    Predator 2,000W Gas Generator

    2000W
    Running
    58 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 @25%
h
Running watts by fuel
Shows how output changes across gasoline/propane/natural gas (when available).
Generator Specifications Comparison
SpecificationFirman W03383Predator 73422
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterYesYes
Parallel capableYesYes
RV readyYesNo
Running watts
Winner: Winner: 3300 W
2000 W
Starting watts
Winner: Winner: 3650 W
2500 W
Noise (lower limit)
Winner: Winner: 58 dB
Winner: Winner: 58 dB
Weight
91 lbs
Winner: Winner: 46 lbs
Run time @50% load
Not available—
Not available—
Run time @25% load
Winner: Winner: 9 h
Winner: Winner: 9 h
Fuel tank
1.8 gal
Not available—
Fuel gaugeNoNo
Approx. dimensions (L × W × H)
23.2 x 17.8 x 17.9
20.375 x 11.625 x 19.125
Electrical
Voltage (AC)
120
120V
Voltage (DC)
12
Not available—
GFCI outletsNoNo
Covered outletsYesNo
Automatic Voltage RegulationYesNo
THD
<3% %
Not available—
Engine
Engine
193 cc Firman Max-Pro Series 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 available—Not available—
Running watts
3300 W
Not available—
Starting watts
3650 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
Not available—
Not available—
Run time @25% load
9 h
Not available—
Other
Data center
Not available—
Not available—
Indicators
true
Not available—
Compliance
CARB, EPA
Not available—
Security
Not available—
Not available—
Spark arrestorYesNo
Neutral
Not available—
Not available—
UPC
840876133835
Not available—
Core / High-priority specs
Running Watts (Gasoline)
3300
Not available—
Starting Watts (Gasoline)
3650
Not available—
Runtime @ 25% Load (Gasoline)
9
Not available—
AC Outlet Types
1x Duplex 120V 20A (5-20R)1x 120V 30A (TT-30R)
Not available—
Electrical & power
Frequency
60
Not available—
Engine & construction
Engine Type
OHV 4-stroke
Not available—
Engine Displacement
193
98
Cylinder Sleeve
cast iron sleeve
Not available—
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
9
Not available—
Safety & compliance
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringNoYes
Included equipment
Included Accessories
Oil, funnel, tool kit, key fob, battery charger, battery charging cables, and battery
Not available—
Additional specs
Summary
The Firman W03383 supplies 3,300 running watts for household essentials, RV loads, and campsite equipment. Its inverter keeps THD below 3%, making the output suitable for laptops, televisions, and other sensitive electronics. A TT-30R outlet serves 30-amp RV connections directly, while remote, electric, and recoil starting give owners three ways to get power running.
The Predator 73422 is a gasoline-powered generator rated for 2000 running watts with 2500 starting watts. That combination sets it up to handle steady electrical loads while also giving extra headroom for devices that draw more power when they first switch on.
  • Most Powerful
    Firman W03383
    3300W running
  • Quietest
    Firman W03383
    58 dB
  • Longest Runtime
    h at 50% load
Where to buy
Prices can change. We update these automatically.
Firman W03383
Store links
No links yet.
Predator 73422
Store links
No links yet.
Disclosure: Some links may be affiliate links. Specs and comparisons are never hidden.