Tri Fuel Portable Generator 5000/4000W Electric Start 120/240V with CO ALERT 1 / 10
FIRMAN Power Equipment

Tri Fuel Portable Generator 5000/4000W Electric Start 120/240V with CO ALERT Tri Fuel Portable Generator 5000/4000W Electric Start 120/240V with CO ALERT

SKU: T04073

Brand FIRMAN Power Equipment Out of Stock
$1,099.99 Out of Stock
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This FIRMAN generator is not certified to ship to California and cannot be shipped to a California address.

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Key features
  • Weight 129 lbs
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Tri Fuel Portable Generator 5000/4000W Electric Start 120/240V with CO ALERT

Out of Stock
Tri Fuel Portable Generator 5000/4000W Electric Start 120/240V with CO ALERT
Quantity$1,099.99 each
1

The FIRMAN T04073 Tri-Fuel Portable Generator delivers reliable power-on-demand with unmatched fuel flexibility, allowing you to run on gasoline, propane (LPG), or natural gas (NG). Whether you’re preparing for a power outage, setting up camp, or powering tools at an outdoor job site, the T04073 adapts to your needs without compromise.

This versatile generator produces 5,000 starting watts and 4,000 running watts on gasoline, 4,500 starting watts and 3,600 running watts on propane, and 4,000 starting watts and 3,200 running watts on natural gas. A 5-gallon fuel tank delivers up to 14 hours of runtime at 50% load, providing dependable, all-day power when it matters most.

Powered by a durable 223cc FIRMAN engine, the T04073 features electric start, recoil backup, and low oil shutoff for easy operation and long-term reliability. Safety is built in with FIRMAN CO Alert technology, which automatically shuts down the generator if unsafe carbon monoxide levels are detected.

Designed for home backup power, RVs, camper vans, and outdoor events, the T04073 provides 120/240V output and a versatile outlet panel that includes a 120V 20A GFCI duplex (5-20R) for household use, a 120V 30A twist-lock (L5-30R), and a 120/240V 30A twist-lock (L14-30R) capable of supporting larger appliances and equipment.

Versatile. Portable. Dependable. The FIRMAN T04073 is your go-to solution for tri-fuel portable power.

The T04073 comes with an engine oil bottle, oil funnel, spark plug wrench, a double open-ended wrench (10mm,12mm), LPG regulator with hose holder, cover and adaptor.

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Package Includes
1 FIRMAN T04073 generator
Package Includes
1 Tool kit
Package Includes
1 Engine oil bottle
Package Includes
1 Oil funnel
Package Includes
1 Battery
Package Includes
1 Padded U-shaped handle
Package Includes
1 8-inch never-flat wheels (pair)
Package Includes
1 5.5-foot LPG regulator hose
Specifications
Selected variant SKU T04073
Brand FIRMAN
Model T04073
Fuel Type Tri fuel: Gas, LPG, and NG
Power Output Starting: 5000 W on gasoline; 4500 W on LPG; 4000 W on natural gas. Running: 4000 W on gasoline; 3600 W on LPG; 3200 W on natural gas.
Fuel Tank Capacity 5 gallon
Runtime Up to 13 hours at 50% load
Outlets 1 x 30A-120V twist lock; 1 x 30A-120V/240V; 16.7A/240V/4000W; 2 x 120V-20A duplex GFCI
CO Safety Feature CO Alert technology indicates and shuts down the engine when carbon monoxide accumulates around the generator or a CO system fault occurs
Starting System Electric start
Weight 129 lb
Portability 8 inch wheels; padded handle
Warranty 3 year warranty on every New Generator
AC Grounding System 7-11 inches water column (0.25-0.40 psi)(13-20mm mercury)(1.7-2.7 kpa)
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User Manual
Installation instructions, setup guidance, operation, and troubleshooting.
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User Manual
Installation instructions, setup guidance, operation, and troubleshooting.
View PDF
📘
User Manual
Installation instructions, setup guidance, operation, and troubleshooting.
View PDF

Frequently Asked Questions

Clear answers to common questions about this product, setup, compatibility, and use.

What are the listed starting and running watts for FIRMAN T04073? FIRMAN lists 5,000 starting watts and 4,000 running watts for this generator. For dual- and tri-fuel models, output can differ by fuel; use the selected model's manual for fuel-specific ratings. Which fuel does FIRMAN T04073 use? FIRMAN identifies gasoline, propane (LPG), and natural gas for this model. Check the manual for fuel setup and operating instructions.