We may earn a commission when you buy through our links. Rankings are formula-based and never paid for. As an Amazon Associate I earn from qualifying purchases. Disclosure

FIRMAN T04472

Ranked #8 of 22 in Best Dual-Fuel Portable Generators: Champion, Westinghouse, DuroMax, WEN & FIRMAN (2026). Here is every spec we scored, where it came from, and how it compares.

Affiliate disclosure: We earn a commission if you buy through links on this page, at no extra cost to you. It never affects our rankings, which come from the published scoring formula. As an Amazon Associate I earn from qualifying purchases. Learn more.

#8

FIRMAN T04472

Best for: Tri-fuel 4,400 W with 13 h at half load

6.8/10

What we like

  • Lowest noise in this comparison (67 dBA)

Watch out for

  • Runtime at 25% load not published by Firman

Score breakdown

Running watts (gasoline) 25%
Starting watts 5%
Runtime at 50% load 15%
Runtime at 25% load * 5%
Noise 10%
Transfer-switch ready * 10%
CO shutoff 10%
Runs on propane 10%
Weight 5%
CARB compliant * 5%

* Not published by the manufacturer; scored at the lowest published value in this category, so an unpublished figure never outranks a published one.

* Other unpublished figures are scored at the category median so missing data neither helps nor hurts.

Running watts (gasoline)4400 W
Starting watts5500 W
Runtime at 50% load13 h
Runtime at 25% loadNot listed
Noise67 dBA
Transfer-switch readyNot listed
CO shutoffYes
Runs on propaneYes
Weight116 lb
CARB compliantNot listed
Starting (peak) watts, gasoline5,500 W
Running watts on propane3,950 W
Running watts on natural gas3,200 W
Fuel tank5 gal
OutletsNot published by the maker
Noise basis67 dB at quarter load
CO shutoffFIRMAN CO Alert
CARBNot published by the maker
PriceCheck price
Check price at Amazon
Specs source:

FIRMAN T04472 head-to-head

Head-to-headFIRMAN T04472 vs Westinghouse WGen3600DFv

How it compares

Open the full comparison table

DuroMax DS10000EH
7.5/10
#1 · 8,000 W CARB-certified dual fuel
FIRMAN H08052
7.5/10
#2 · 8,000 W dual fuel with 12 h at half load
Champion 8500W Electric Start Dual Fuel Generator (201493)
7.3/10
#3 · 8,500 W dual fuel with CO Shield
Champion 9500W Electric Start Dual Fuel Generator (201508)
7.3/10
#4 · Most running watts here: 9,500 W with an L14-30R and 14-50R
Champion 8000W Electric Start Dual Fuel Generator (201568)
7.1/10
#5 · 8,000 W dual fuel with a 14-50R
FIRMAN T08073
7.1/10
#6 · Tri-fuel 8,000 W with L14-30R and 14-50R
Champion 7500W Electric Start Dual Fuel Generator (201281)
6.9/10
#7 · 7,500 W dual fuel with electric start
Champion 6250W Dual Fuel Generator (201463)
6.7/10
#9 · 6,250 W dual fuel with CO Shield
DuroMax XP10000X
6.6/10
#10 · 8,500 W gas with 22 h at quarter load
FIRMAN H07553
6.4/10
#11 · 7,500 W dual fuel with CO alert
WEN DF8000X
6.4/10
#12 · 6,500 W dual fuel with Watchdog CO shutdown
Champion 5500W Dual Fuel Generator (201505)
6.3/10
#13 · 5,500 W dual fuel, 11 h at half load
DuroMax XP4850EH
6.2/10
#14 · 3,850 W dual fuel with 23 h at quarter load
DuroMax DS4500DX
6.1/10
#15 · CARB-certified dual fuel with 25 h at quarter load
Westinghouse WGen5300DFv
5.8/10
#16 · CARB-compliant dual fuel, transfer-switch ready
Champion 6500W Dual Fuel Generator (201077)
5.8/10
#17 · 6,500 W dual fuel, 11 h at half load
DuroMax XP5500HX
5.7/10
#18 · 4,500 W dual fuel with CO alert and 19 h at quarter load
Champion 3650W Dual Fuel Generator (201280)
5.7/10
#19 · RV-ready 3,650 W dual fuel with 14 h at half load
WEN GN8000M
5.4/10
#20 · 6,500 W gas, transfer-switch ready
Westinghouse WGen7500s
4.2/10
#21 · 7,500 W gas with an L14-30R
Westinghouse WGen3600DFv
4.1/10
#22 · CARB-compliant RV-ready dual fuel