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FIRMAN · Portable generator

T04472

5,000 starting watts and 4,000 running watts with gasoline, propane, natural gas operation.

4,000W running5,000W starting67dB 1/4 loadGasoline + Propane + Natural gas

$999.99

Direct price snapshot
FIRMAN Tri Fuel Portable Generator 5500/4400W Electric Start 120 with CO ALERT
Official product image: FIRMAN

Core specifications, simplified.

01 · Output by fuel

Up to 5,000 starting watts

Gasoline4,000W running

5,000W starting

Propane3,600W running

4,500W starting

Natural gas3,200W running

4,000W starting

02 · Runtime & operation

Manufacturer runtime

14 hrs 1/2 load

Operating volume

67dB 1/4 load

Fuel tank

5 Gallon

03 · Size & ownership

129

Unit weight

25.7 x 21.8 x 21.6

Unit dimensions

Warranty
3-year warranty
Certifications
CETL · EPA
Availability
Available
04 · Controls & safety

Starting

Electric, Recoil

Power quality

25% THD

Safety

Low-oil shutdown · CO Alert

Electrical

120V/240V · 60

2 × 5-20R 120V 20A DUPLEX GFCI · 2 × L5-30R 120V 30A TWISTLOCK · 1 × L14-30R 120V/240V 30A TWISTLOCK

These manufacturer images may include dimensions, control-panel callouts, included equipment, safety features, and common use cases. Scroll sideways to view the complete set available for this model.

FIRMAN T04472 product view
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Every official field, organized.

The technical fields below come from FIRMAN’s model-specific specification file. Product photos and infographics come from the official product gallery. Confirm current documentation before purchase.

Outdoor use only for combustion models. Never operate a fuel-burning generator inside a home, garage, shed, or other enclosed space. Follow FIRMAN’s manual and use an approved transfer method for home connections.

Manufacturer overview

The FIRMAN T04472 Tri-Fuel Portable Generator delivers dependable power with the flexibility to run on gasoline, propane (LPG), or natural gas (NG). Producing up to 5,500 starting watts and 4,400 running watts, this open-frame generator is built for home projects, RV trips, camping, and outdoor power needs when dependable performance matters. Powered by a durable FIRMAN engine, the T04472 features both electric start and recoil start for convenient operation. Its 5-gallon fuel tank provides up to 13 hours of runtime at 50% load, helping you stay powered through long projects, extended campground stays, or unexpected outages. FIRMAN CO Alert technology adds an extra layer of safety by automatically shutting down the generator if unsafe carbon monoxide levels are detected. The RV-ready multi-feature control panel gives you versatile connection options for appliances, tools, and recreational equipment. Outlets include a 120V 20A duplex (5-20R) for household devices, a 120V 30A twist-lock (L5-30R) for higher-demand equipment, and a 120V 30A TT-30R RV outlet for convenient travel trailer and camper connections. Backed by FIRMAN’s 3-year warranty and dedicated technical support, the T04472 delivers the fuel flexibility, runtime, and dependable performance you need for work, recreation, and the unexpected. The T04472 comes with an engine oil bottle, oil funnel, spark plug wrench, a double open-ended wrench (10mm,12mm), and an LPG regulator.

Specifications · Certifications

EPA Certified
Yes
cETL Certified
Yes
NOM Certified
Yes

Specifications · Output

Running Watts
4000(Gas) 3600(LPG) 3200 (NG)
Starting Watts
5000(Gas) 4500(LPG) 4000(NG)
AC Voltage
120V/240V
Frequency (Hertz)
60
Decibels
67dB 1/4 load
Run Time
14 hrs 1/2 load
THD @ Full Load
25%

Specifications · Control Panel

Recoil Start
No
Electric Start
Yes
5-20R 120V 20A DUPLEX GFCI
2
L5-30R 120V 30A TWISTLOCK
2
L14-30R 120V/240V 30A TWISTLOCK
1

Specifications · Machine

Low Oil Shutoff
Yes
Power Stream Alternator
Yes
Engine
223cc
Cast Iron Sleeve
Yes

Specifications · Fuel System

Fuel
Gas
Tank Size
5 Gallon
Steel/Plastic
Steel

Specifications · Wheel Kit

Wheels
8.0 inch-black/yellow -plastic/rubber-flat free
Handle
U-shape Handle w/ grip

Packaging · Unit

UPC
840876140734
Unit Dimensions
25.7 x 21.8 x 21.6
Unit Length
25.7
Unit Width
21.8
Unit Height
21.6
Unit Weight
129

Packaging · Carton

Carton Dimensions
27.5 x 18.1 x 21
Carton Length
27.5
Carton Width
18.1
Carton Height
21
Carton Weight
140.3
  • Home Projects
  • Power Outage
  • Work
  • Tri-fuel flexibility
  • CO Alert shutdown protection
  • Electric, Recoil start

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Official sources:FIRMAN product pageTechnical specificationsAll FIRMAN generatorsVerified September 15, 2026