Honda IGX390UT2-QZA2 General Purpose Engine

Pre-Order Honda IGX390UT2-QZA2 General Purpose Engine

The iGX390 is technologically advanced, offering you features and performance like no other small engine in the world. With its multi-function, high performance design combined with the same superior reliability of Honda's legendary GX engines, the iGX sets a new standard for engines.


  • Pressure washers
  • Generators
  • Forestry equipment
  • Construction / industrial equipment
  • Agricultural equipment
  • Water pumps

Engine Type

Air-cooled 4-stroke OHV

Bore x Stroke88 X 64 mm
Displacement389 cm3
Net Power Output*11.7 HP (8.7 kW) @ 3,600 rpm
Net Torque19.5 lb-ft (26.4 Nm) @ 2,500 rpm
PTO Shaft RotationCounterclockwise (from PTO shaft side)
Compression Ratio8.2:1
Lamp/Charge coil options3A, 20A
CarburetorHorizontal type butterfly valve
Ignition SystemDigital CDI with variable ignition timing
Starting SystemRecoil/electric
Lubrication SystemSplash
Governor SystemElectric STR (Self Tuning)
Air cleanerDual element
Oil Capacity1.16 US qt (1.1 L)
Fuel Tank Capacity6.4 US qts (6.1 liters)
FuelUnleaded 86 octane or higher
Dry Weight82 lb (37 kg)
Length (min)16.0" (407mm)
Width (min)19.1" (485 mm)
Height (min)17.7" (449 mm)
PTO Shaft Options
E typeTapered shaft
H typeReduction type PTO
L typeReduction type PTO
P typeThreaded type (SAE)
Q typeStraight shaft
R typeReduction type PTO
V typeTapered shaft
Power source Gas
Application Commercial
Condition New

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  • Views: 2713
  • Brand: Honda Power Equipment
  • Product Code: IGX390UT2-QZA2 General Purpose Engine
  • Availability: Pre-Order
  • $1,071.95