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FIRMAN · Inverter generator

WT06375

7,850 starting watts and 6,300 running watts with gasoline, propane, natural gas operation.

6,300W running7,850W starting67dB 1/4 loadGasoline + Propane + Natural gas

$2,299.99

Direct price snapshot
FIRMAN Tri-Fuel Inverter Portable Generator 7850/6300W Electric Start 120/240V Parallel Ready with CO Alert
Official product image: FIRMAN

Core specifications, simplified.

01 · Output by fuel

Up to 7,850 starting watts

Gasoline6,300W running

7,850W starting

Propane5,700W running

7,100W starting

Natural gas4,900W running

6,100W starting

02 · Runtime & operation

Manufacturer runtime

16 hrs 1/4 load

Operating volume

67dB 1/4 load

Fuel tank

5.3 Gal.

03 · Size & ownership

131.4

Unit weight

27.5x21.3x22.6

Unit dimensions

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

Starting

Electric, Recoil

Power quality

3% THD

Safety

Low-oil shutdown · CO Alert

Electrical

120/240 · 60

1 × 5-20R 120V 20A DUPLEX GFCI · 1 × TT-30R 120V 30A TWISTLOCK · 1 × L14-30R 120V/240V 30A TWISTLOCK (22.9A/240V/5500W) · 1 × 14-50R 120V/240V 50A (22.9A/240V/5300W) · 1 × USB-C (3.1/5A/5/9/12/15/20V DC/60W)

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 WT06375 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 WT06375 Inverter Generator answers the call with a peak of 7850 starting watts and 6300 running watts on gasoline (7100/5700W on LPG, 6100/4900W on natural gas). This tri-fuel generator offers unmatched flexibility and performance. Run it on gas, propane, or natural gas, whichever suits your needs best. Powered by a durable 322cc FIRMAN engine with a cast-iron sleeve, the WT06375 delivers clean, stable inverter power, perfect for sensitive electronics, job site tools, and backup home appliances. Start it effortlessly with the electric start or use the recoil backup when needed. It operates at a quiet 67 dB (¼ load) and features a 120/240V output, making it RV-ready and storm-ready. The outlet panel includes a 20A 120V GFCI (5-20R), 50A 120/240V (14-50R), 30A 120V RV (TT-30R), 30A 120/240V twist-lock (L14-30R), and even USB-A and USB-C ports for direct device charging. With a 5.3-gallon tank and up to 16 hours of runtime at 25% load, the WT06375 is designed for endurance. Safety comes standard with CO Alert shutoff, spark arrestor, and low-oil shutdown. Its compact 132-lb frame is paired with 8” flat-free wheels and a folding U-handle, making it portable for its class. The WT06375 comes with an engine oil bottle, an oil funnel, a tool kit, an LPG regulator, an Owner's Manual, a Quick Start Guide, and a quick oil drain.

Specifications · Certifications

EPA Certified
Yes
cETL Certified
Yes
PGMA
Yes

Specifications · Output

Running Watts
6300 Gas
Running Watts
5700 LPG
Running Watts
4900 NG
Starting Watts
7850 Gas
Starting Watts
7100 LPG
Starting Watts
6100 NG
AC Voltage
120/240
DC Voltage
12
Frequency (Hertz)
60
Decibels
67dB 1/4 load
Run Time
16 hrs 1/4 load
THD @ Full Load
3%

Specifications · Control Panel

Recoil Start
Yes
Electric Start
Yes
5-20R 120V 20A DUPLEX GFCI
1
TT-30R 120V 30A TWISTLOCK
1
L14-30R 120V/240V 30A TWISTLOCK (22.9A/240V/5500W)
1
14-50R 120V/240V 50A (22.9A/240V/5300W)
1
USB-C (3.1/5A/5/9/12/15/20V DC/60W)
1
12V DC Power Port/Plug (8.3A/12V DC/100W)
1x2 Prong Angled
Parallel Port
Yes
Multi-Meter
P-V-Hr-F-Fuel Level/Oil Alert/ Over Load

Specifications · Machine

Low Oil Shutoff
Yes
CO Shut Off
Yes
Power Stream Alternator
Yes
Cast Iron Sleeve
Yes

Specifications · Fuel System

Fuel
Gas/LPG/NG
Tank Size
5.3 Gal.
Steel/Plastic
Steel

Specifications · Wheel Kit

Wheels
8"-Gray-plastic-flat free
Handle
U shape folding handle

Packaging · Unit

UPC
840876163757
Unit Dimensions
27.5x21.3x22.6
Unit Length
27.5
Unit Width
21.3
Unit Height
22.6
Unit Weight
131.4

Packaging · Carton

Carton Dimensions
31.5x22.8x24
Carton Length
31.5
Carton Width
22.8
Carton Height
24
Carton Weight
149.5
  • Camping
  • Home Projects
  • Power Outage
  • Tailgate
  • Work
  • Tri-fuel flexibility
  • Inverter power
  • CO Alert shutdown protection
  • Electric, Recoil start

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