FIRMAN · Portable generator
T11671
11,600 starting watts and 9,300 running watts with gasoline, propane, natural gas operation.
$1,499.99
Direct price snapshot
Visual spec gallery
Core specifications, simplified.
Up to 11,600 starting watts
11,600W starting
10,400W starting
8,650W starting
Manufacturer runtime
11hrs
Operating volume
74dB 1/2 load
Fuel tank
9
201 lbs
Unit weight
28.3" x 26.9" x 25.8"
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 × L5-30R 120V 30A TWISTLOCK · 1 × L14-30R 120V/240V 30A TWISTLOCK · 1 × 14-50R 120V/240V 50A (38.8A/240V/9300W)
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 T11671 Tri-Fuel Generator maximizes powerful, flexible performance with 11,600 starting watts and 9,300 running watts, providing reliable power without limiting fuel options. Capable of gas, propane, and natural gas fuel for any scenario. Designed to keep the lights on as a home backup, stay the course on RV sites, and tough out worksite chores. The T11671 features electric start for quick operation and up to 11 hours of runtime at 50% load on gasoline. Its versatile control panel includes five outlets, highlighted by an RV-ready L14-30R 30A 120V/240V twist-lock outlet for secure, high-capacity connections. The durable open-frame design of the T11671 is ready to deliver dependable power whenever and wherever it’s needed. The T11671 comes with an LPG Regulator with Hose Holder Tool Kit, Wheel Kit, Engine Oil Bottle, Oil Funnel, Spark Plug Wrench, and a Double Open-Ended Wrench
Specifications · Certifications
- EPA Certified
- Yes
- cETL Certified
- Yes
- ANSI/PGMA G300-2018
- Yes
Specifications · Output
- Running Watts
- 9300(Gas) 8300(LPG) 6900(NG)
- Starting Watts
- 11600(Gas) 10400(LPG) 8650(NG)
- AC Voltage
- 120/240
- Frequency (Hertz)
- 60
- Decibels
- 74dB 1/2 load
- Run Time
- 11hrs
- THD @ Full Load
- 25%
Specifications · Control Panel
- Recoil Start
- Yes
- Electric Start
- Yes
- CO Alert
- Yes
- 5-20R 120V 20A GFCI
- 2
- L5-30R 120V 30A TWISTLOCK
- 1
- L14-30R 120V/240V 30A TWISTLOCK
- 1
- 14-50R 120V/240V 50A (38.8A/240V/9300W)
- 1
Specifications · Machine
- Low Oil Shutoff
- Yes
- Power Stream Alternator
- Yes
- Cast Iron Sleeve
- Yes
Specifications · Fuel System
- Fuel
- Gas/LPG/NG
- Tank Size
- 9
- Steel/Plastic
- Steel
- Engine
- 459cc
Specifications · Wheel Kit
- Wheels
- 9.0" -black /gray-plastic-flat free
- Handle
- single folding w/grip
Packaging · Unit
- UPC
- 840876141397
- Unit Dimensions
- 28.3" x 26.9" x 25.8"
- Unit Length
- 28.3"
- Unit Width
- 26.9"
- Unit Height
- 25.8"
- Unit Weight
- 201 lbs
Packaging · Carton
- Carton Dimensions
- 29" x 22" x 23.9"
- Carton Length
- 29"
- Carton Width
- 22"
- Carton Height
- 23.9"
- Carton Weight
- 218 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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