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FIRMAN 4550-Watt Hybrid Dual Fuel Portable Generator - Recoil/Electric Start, Gasoline/LPG

By Firman Generators
Part #: H03651
  • FIRMAN Hybrid Dual Fuel Portable Generator
  • Start Type: Recoil / Electric
  • Fuel Type: Gasoline / LPG
  • Gasoline Running (Rated) Watts: 3650
  • Gasoline Starting (Surge) Watts: 4550
  • LPG Running (Rated) Watts: 3300
  • LPG Starting (Surge) Watts: 4100
  • AC Voltage: 120 Volts
  • Frequency: 60 Hz
  • Engine Displacement: 208cc
  • Gasoline Fuel Tank Volume: 5 Gal.
  • Runtime on Gasoline Tank at 50% Load: 14 Hours
  • Runtime on Full 20 lb. Propane Cylinder (Not Included) at 50% Load: 11 hours
  • THD at Full Load: 25
  • Engine Type: FIRMAN Max-Pro Series OHV
  • Cylinder: Single
  • Alternator: Brushed
  • Outlets: (2) 5-20r 20A 120V Duplex, (1) L5-30R 30A 120V Twistlock, (1) TT-30R 30A 120V
  • Dimensions: 25.7”L x 18”W x 18.9”H (Handle Down, Not Including Wheels/Foot Bracket)
  • Dimensions: 37.5”L x 21.8”W x 21.61”H (Handle Extended, Including Wheels/Foot Bracket)
  • Unit Weight: 119.5 lbs.
  • Handle: (1) Folding Padded U-Shape Handle
  • Wheels: (2) 8" Plastic Flat Free
  • Foot Bracket: (2) Hat Shape with Rubber Isolator
  • Certifications: EPA (49 States), CARB (California), cETL (Canada)
  • Cover Sold Separately: FIRMAN # 1002
  • Power Cord Sold Separately: FIRMAN # 1101 / 1105

This product is no longer offered.
Have questions? Call us at 866-205-5299


Ready for any task, the FIRMAN H03651 Hybrid Dual Fuel Portable Generator provides power on demand. It is great for camping, emergency power, or work-site. It can run on gasoline or propane fuel, giving you flexibility while out on the road or during an emergency. The durable compact roll-cage frame design is made with 1” steel tubing. Running at 67 dB, the H03651 has a 5-gallon gasoline tank that will run for 14 hours and is California and Canada emissions certified. It has a FIRMAN Max-Pro Series OHV engine for longer life, higher performance, and lower maintenance. The engine runs cool and efficient thanks to its Phoenix Fat Head Block. The engine features a cast iron sleeve for long durability and automatic low oil shutdown protection. The quiet Whisper Series muffler has a USDA FS certified spark arrestor. This generator also features a Volt-Lock Automatic Voltage Regulator and an integrated gasoline fuel gauge. The conveniently located multi-featured control panel has FIRMAN custom designed outlet covers to protect the outlets from dirt, dust, and debris. The 3-in-1 Data-Minder monitors running hours, voltage, and frequency. Heavy duty oversized flat free wheels and a high leverage single folding handle provide for easy maneuvering. A 5 ft. LPG hose with regulator is provided for convenience when running off of a larger propane tank. Bonus accessories include engine oil, oil funnel, and tool kit. A battery is also included for your convenience.


Generator & Inverter Generator Type
Portable Generator
Generator & Inverter Running Wattage
2000 - 3900 Watts


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