The engine has an 18- amp charging system.
Honda GX390 OHV Engine — 389cc, Electric, 18-Amp Charge System, Horizontal, Black, Model# GX390UT2XQNR2-BLK
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$1129.99
- Not for sale in CA
- Provides higher power output, improved fuel efficiency, and smoother engine performance.
- Enhances combustion efficiency, improves power transfer, and reduces fuel consumption—ideal for heavy?duty industrial use.
- Ball?bearing supported crankshaft and heavy?duty balancer shaft deliver smoother operation and longer engine life.
- Automatically protects the engine from low?oil damage, increasing reliability and reducing maintenance costs.
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Specifications
Specifications
Honda GX390 OHV Engine — 389cc, Electric, 18-Amp Charge System, Horizontal, Black, Model# GX390UT2XQNR2-BLK
Powerhorse OHV Horizontal Engine, 212cc, 6 HP, 3/4in. x 2-7/16in. Shaft
Honda Engines, 270CC HONDA,12V,W/O FUEL TANK, Engine Displacement 270 cc, Engine Type GX Series OHV Commercial-duty, Shaft Diameter 1 in, Model# GX270RT2XRSC2
Honda Engines, HONDA 389CC 18AMP ES NO TANK, Engine Displacement 389 cc, Engine Type GX Series OHV Commercial-duty, Shaft Diameter 1 in, Model# GX390RT2QNGN
Engine Displacement
Same
389 cc
212 cc
270 cc
389 cc
Engine Type
Same
Horizontal
OHV
GX Series OHV Commercial-duty
GX Series OHV Commercial-duty
Shaft Diameter
Same
1 in
3/4 in
1 in
1 in
Shaft Diameter Metric
Same
25.4 mm
-
-
-
Shaft Length
Same
3.48 in
2.43 in
3.23 in
3.48 in
Shaft Length Metric
Same
88.39 mm
-
-
-
Fuel Type
Same
Gasoline
-
-
-
Start Type
Same
Electric and Recoil
Recoil
Recoil
Electric and Recoil
Net Torque
Same
19.5 ft-lbs.
-
14.1 ft-lbs.
19.5 ft-lbs.
Crankshaft
Same
Q-Type
-
R-type
Q-type
Cylinders (qty.)
Same
1
1
1
1
Cylinder Bore
Same
Cast Iron
-
Cast Iron
Cast Iron
Net Power Output
Same
11.1 HP
6 HP
8.5 HP
11.7 HP
Compression Ratio
Same
8.2:1
-
8.5:1
8.0:1
Fuel Tank
Same
Yes
-
No
No
Fuel Tank Capacity
Same
6.4 qt
3.8 qt
-
-
Oil Capacity
Same
1.16 qt
0.63 qt
1.16 qt
1.16 qt
Low Oil Shutdown
Same
Yes
-
-
Yes
Low Oil Alert
Same
Yes
Yes
Yes
Yes
Max. RPM
Same
3,600
-
-
-
CARB Approved
Same
No
No
-
-
Governor System
Same
Centrifugal Mass
Mechanical Centrifugal
Centrifugal Mechanical
Centrifugal Mechanical
Ignition System
Same
Digital CDI With Variable Timing
CDI
Electronic
Electronic
Carburetor
Same
Butterfly Float Type
Horizontal Type, Butterfly Valve
Float, External Vent
Float, External Vent
Lubrication System
Same
Splash
Splash
Splash
Splash
Bearing Type
Same
Ball
-
Ball
Ball
Cooling System
Same
Air
Air
Air
Air
Bore
Same
3.5 in
2.75 in
3 in
3.5 in
Stroke
Same
2.5 in
2.16 in
2.3 in
2.5 in
Air Cleaner Type
Same
Dual Element
Dual Element
Dual Element
Dual Element
Choke Control
Same
Manual
-
Manual
Manual
Throttle Control
Same
Manual
-
Remote
Remote
Fuel Filter
Same
Yes
-
-
-
Muffler Included
Same
Yes
Yes
Yes
Yes
Product Weight
Same
70.0000 lb
38.6000 lb
-
-
Dimensions L x W x H (in.)
Same
16.0 x 18.0 x 17.6 in
17.0 x 14.0 x 15.0 in
-
-
Shaft Keyway
Same
-
0.18 in
-
0.25 in
Shaft Rotation (From PTO Shaft Side)
Same
-
Counter Clockwise
Counter Clockwise
Counter Clockwise
PTO Height
Same
-
-
5.25 in
5.25 in
Auto Compression Release
Same
-
-
Yes
Yes
Charging System Amps
Same
-
-
-
18
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