FIRMAN · Portable generator
T08273
8,250 starting watts and 6,600 running watts with gasoline, propane, natural gas operation.
$1,379.99
Direct price snapshot
Visual spec gallery
Core specifications, simplified.
Up to 8,250 starting watts
8,250W starting
7,100W starting
6,250W starting
Manufacturer runtime
Up to 10hrs @ 50% load
Operating volume
76dB at 3/4 load
Fuel tank
6-Gallons
155 lbs
Unit weight
27" x 24.7" x 24.2"
Unit dimensions
- Warranty
- 3-year warranty
- Certifications
- CETL · EPA · PGMA
- Availability
- Available
Starting
Electric, Recoil
Power quality
25% THD
Safety
Low-oil shutdown · CO Alert
Electrical
120/240 · 60
2 × 5-20R 120V 20A GFCI · 1 × L14-30R 120V/240V 30A TWISTLOCK (26.3A/120V/3150QW) · 1 × TT-30R 30A-120V RV READY (26.3A/120V/3150W)
Official product gallery
Product views and FIRMAN infographics.
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Complete specifications
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.
Manufacturer overview
The FIRMAN T08273 Tri-Fuel Generator is built to deliver powerful, versatile performance for a wide range of demanding applications. With 8,250 starting watts and 6,600 running watts, it provides the high-capacity output needed for home backup, RV setups, and worksite equipment. Its tri-fuel capability allows you to operate on gasoline, propane, or natural gas, giving you unmatched flexibility to choose the fuel source that best fits your situation—whether you're preparing for emergencies or powering through a long workday. · Designed for ease of use, the T08273 features an electric start system for quick and effortless operation. When running on gasoline, it offers up to 10 hours of runtime at 50% load, helping you maintain power through extended outages or demanding projects. The generator’s control panel is built for versatility, featuring an RV-ready L14-30R 30A 120V/240V twist-lock outlet for secure, high-capacity connections. · Built with a rugged open-frame design, the T08273 is engineered for durability and long-lasting performance in tough environments. Whether you’re powering essential appliances at home, running tools on the worksite, or supporting your RV setup, this generator is designed to deliver reliable, consistent power. FIRMAN T08273 is designed to provide the confidence and capability you need to handle whatever comes next. · The T08273 comes with an LPG Regulator Hose, Short Power Cord, Engine Oil, Oil Funnel, Tool Kit, Wheel Kit, an Operator's Manual, and a Quick Start/ Stop Guide.
Specifications · Certifications
- EPA Certified
- Yes
- cETL Certified
- Yes
- PGMA G300-2023 Certified
- Yes
Specifications · Output
- Running Watts
- 6600(Gas) 5700(LPG) 5000(NG)
- Starting Watts
- 8250(Gas) 7100(LPG) 6250(NG)
- AC Voltage
- 120/240
- Frequency (Hertz)
- 60
- Decibels
- 76dB at 3/4 load
- Run Time
- Up to 10hrs @ 50% load
- THD @ Full Load
- 25%
Specifications · Control Panel
- Recoil Start
- Yes
- Electric Start
- Yes
- CO Alert
- Yes
- 5-20R 120V 20A GFCI
- 2
- L14-30R 120V/240V 30A TWISTLOCK (26.3A/120V/3150QW)
- 1
- TT-30R 30A-120V RV READY (26.3A/120V/3150W)
- 1
Specifications · Machine
- Low Oil Shutoff
- Yes
- Power Stream Alternator
- Yes
- Cast Iron Sleeve
- Yes
Specifications · Fuel System
- Fuel
- Gas/LPG/NG
- Tank Size
- 6-Gallons
- Steel/Plastic
- Steel
Specifications · Wheel Kit
- Wheels
- 8" -black /gray-plastic-flat free
- Handle
- single folding w/grip
Packaging · Unit
- UPC
- 840876182734
- Unit Dimensions
- 27" x 24.7" x 24.2"
- Unit Length
- 27"
- Unit Width
- 24.7"
- Unit Height
- 24.2"
- Unit Weight
- 155 lbs
Packaging · Carton
- Carton Dimensions
- 28.7" x 20.8" x 22.5"
- Carton Length
- 28.7"
- Carton Width
- 20.8"
- Carton Height
- 22.5"
- Carton Weight
- 163 lbs
Best-fit uses
- Home Projects
- Power Outage
- Work
Standout features
- Tri-fuel flexibility
- CO Alert shutdown protection
- Electric, Recoil start
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