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
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Honda Engines, HONDA V-TWIN HORIZ 690CC RHVXE, Engine Displacement 688 cc, Engine Type GX Series OHV V-twin Commercial-duty, Model# GX690RHVXE2
Engine Displacement
Same
389 cc
999 cc
208 cc
688 cc
Engine Type
Same
Horizontal
Gasoline Engines
Command Pro OHV
GX Series OHV V-twin Commercial-duty
Shaft Diameter
Same
1 in
1-7/16 in
3/4 in
Tapered
Shaft Diameter Metric
Same
25.4 mm
36.5 mm
61.722 mm
-
Shaft Length
Same
3.48 in
4.6 in
2.43 in
3 in
Shaft Length Metric
Same
88.39 mm
119.06 mm
61.722 mm
-
Fuel Type
Same
Gasoline
Gasoline
Gasoline
-
Start Type
Same
Electric and Recoil
Electric
Recoil
Electric
Net Torque
Same
19.5 ft-lbs.
58 ft-lbs.
10.5 ft-lbs.
35.6 ft-lbs.
Crankshaft
Same
Q-Type
-
-
V-type
Cylinders (qty.)
Same
1
-
1
2
Cylinder Bore
Same
Cast Iron
-
Cast Iron
Cast Iron
Net Power Output
Same
11.1 HP
-
7 HP
22.1 HP
Compression Ratio
Same
8.2:1
-
8.5:1
9.3:1
Fuel Tank
Same
Yes
-
Yes
No
Fuel Tank Capacity
Same
6.4 qt
-
4 qt
-
Oil Capacity
Same
1.16 qt
0.25 qt
0.63 qt
2 qt
Low Oil Shutdown
Same
Yes
-
Yes
Yes, level indicator
Low Oil Alert
Same
Yes
-
Yes
Yes
Max. RPM
Same
3,600
4,000
3,000
-
CARB Approved
Same
No
Yes
Yes
-
Governor System
Same
Centrifugal Mass
-
Mechanical
Mechanical
Ignition System
Same
Digital CDI With Variable Timing
Push Start
Electronic
Electrical, Digital CDI W/variable Ignition Timing
Carburetor
Same
Butterfly Float Type
Yes
Float
Horizontal, Two-barrel Butterfly Valve, Internal Vent
Lubrication System
Same
Splash
-
Splash
Forced Lubrication
Bearing Type
Same
Ball
-
Ball
Ball
Cooling System
Same
Air
-
Air
Air
Bore
Same
3.5 in
-
2.8 in
3.06 in
Stroke
Same
2.5 in
3.09 in
2.1 in
2.81 in
Air Cleaner Type
Same
Dual Element
-
Single Element
Dual Element
Choke Control
Same
Manual
-
-
Manual
Throttle Control
Same
Manual
-
-
Manual
Fuel Filter
Same
Yes
-
Yes
Yes
Muffler Included
Same
Yes
Yes
Yes
No
Product Weight
Same
70.0000 lb
157.0000 lb
38.5 lb
-
Dimensions L x W x H (in.)
Same
16.0 x 18.0 x 17.6 in
19.7 x 20.3 x 22.0 in
-
-
Shaft Keyway
Same
-
.375inch in
5/16-24 28 UNF in
-
PTO Height
Same
-
-
4.173 in
5.25 in
Grade
Same
-
-
87
-
Shaft Rotation (From PTO Shaft Side)
Same
-
-
Counter Clockwise
Counter Clockwise
Auto Compression Release
Same
-
-
Yes
Yes
Charging System Amps
Same
-
-
-
3
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See All Honda Engines Horizontal Engines
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