• Generac Portable Inverter Generator iQ3800 Left View
  • Generac Portable Inverter Generator iQ3800 Front View
  • Back view of Generac iQ3800 Dual Fuel inverter generator
  • Generac iQ3800 Dual Fuel Inverter Generator with 5200 starting watts
  • Generac iQ3800 Dual Fuel Inverter Generator dimensions
  • Generac iQ3800 Dual Fuel Inverter Generator running on gas and propane
  • Generac iQ3800 Dual Fuel Inverter Generator powering household appliances
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Generac iQ3800 Dual Fuel 3000W/3800W Portable Inverter Generator | Electric Start | COsense®

Generac

$995.00
$995.00
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Product Details

The Generac iQ3800 Dual Fuel 3000W/3800W Portable Inverter Generator | Electric Start | COsense® delivers 3000W of dual-fuel (gasoline/propane) output with COsense® carbon monoxide detection — automatically shutting down and triggering an audible alarm if dangerous CO levels are detected near the unit. This Generac-exclusive safety system provides critical protection for users operating in garages, carports, and semi-enclosed outdoor spaces.

As a true sine wave inverter generator, this unit produces clean, stable power safe for laptops, smartphones, medical devices, and modern electronics — with noise levels as low as 52 dB at 25% load, appropriate for campgrounds and residential neighborhoods.

Brand new in box

Brand new in box

3 year factory warranty

3 year factory warranty

Fast shipping (5–7 business days)

Fast shipping (5–7 business days)

Authorized Generac dealer

Authorized Generac dealer
  • 3000W rated output — powers job site tools, home essentials, and recreational equipment
  • Dual-fuel flexibility: switch between gasoline and propane for maximum fuel availability
  • COsense® CO detection: automatic shutdown and audible alarm at dangerous carbon monoxide levels
  • Electric start for fast, reliable cold-weather ignition without priming sequences
  • True sine wave output: clean power safe for sensitive electronics and medical devices
  • Low-oil shutdown: automatic engine protection prevents damage during unattended operation
  • Hour meter tracks runtime for accurate maintenance interval scheduling

General

  • Model (Configuration): G0089440 (49ST) / G0089460 (50ST)
  • Rated AC Voltage: 120 VAC
  • Rated AC Frequency: 60 Hz
  • Rated 120 VAC Amperage: 25 (Gas) / 22.5 (LP)
  • Total Harmonic Distortion: < 3% (safe for sensitive electronics)
  • Engine Displacement: 212cc
  • Engine Type: OHV
  • Engine RPM: Variable
  • Recommended Oil: 10W-30 / SAE 30
  • Oil Capacity qt (L): 0.6 (0.6)
  • Lubrication Method: Splash
  • Choke Location: Auto Choke
  • Fuel Selection: On Control Panel
  • Fuel Shut Off: On Control Panel
  • Starting Method: Electric Start / Recoil Pull Start
  • Low Oil Shutdown: Yes
  • Floating Neutral: Bonded to Frame
  • Start Switch Type: Push Button
  • Start Switch Location: On Display Panel
  • Fuel Tank Capacity US gal (L): 3.28 (12.4)
  • Run Time at 50% of Rated Load (Hours)‡: 13 (Gas) / 16 (LP - 20lb Tank)
  • Run Time at 25% of Rated Load (Hours)‡: 20 (Gas) / 19 (LP - 20lb Tank)
  • Warranty- Commercial: 2 Year Limited
  • Warranty- Residential: 3 Year Limited
  • Economy Mode: Yes

Battery

  • Battery Included: Yes
  • Battery Type: Lead Acid (12V DC, 6 Ah)
  • Battery Part No: 10000038386

Output

  • AC Rated Output Running Watts: 3000 (Gas) / 2700 (LP)
  • AC Maximum Output Starting Watts: 3800 (Gas) / 3400 (LP

Dimensions & Weight

  • Battery Dimensions: 4.5” X 2.8” X 5.2”

This item comes with a 3-Year Factory Warranty from Generac for consumer use, covering defects in materials and workmanship from the date of original purchase. The unit must be registered and proof of purchase must be available for warranty service. All warranty repairs must be performed by an authorized Generac Service Dealer. Exclusions include normal maintenance items, damage from misuse, and non-Generac replacement parts. For warranty service, locate your nearest authorized Generac dealer at generac.com or call 1-888-436-3722.