This engine has a tapered shaft. It does not fit any of the generators that Honda builds.
Honda Engines, HONDA ENGINE HORZ 390CC 2VWE, Engine Displacement 389 cc, Engine Type GX Series OHV Commercial-duty, Shaft Diameter 7/8 in, Model# GX390RT2VWE
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$999.99
- Designed for the most demanding generator applications
- Overhead valve design offers cooler, fuel-efficient operation
- Cast iron cylinder sleeve provides longer service life
- Automatic decompression for easy starting
- Heavy-duty ball bearing supported crankshaft
See full description
Price for all four:
$1088.96
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Specifications
Specifications
Honda Engines, HONDA ENGINE HORZ 390CC 2VWE, Engine Displacement 389 cc, Engine Type GX Series OHV Commercial-duty, Shaft Diameter 7/8 in, Model# GX390RT2VWE
Honda 118cc GX Series OHV Commercial-Grade Engine, 3/4in. Shaft, Model# GX120T3XQX2
Honda Engines, HONDA 120CC OHV 6:1 ENGINE, Engine Displacement 118 cc, Engine Type GX Series OHV Commercial-duty, Shaft Diameter 3/4 in, Model# GX120T3XHX2
Honda Horizontal OHV Engine, 389cc, GX Series, 1in. x 3 31/64in. Shaft, Model# GX390UT1QAA2
Engine Displacement
Same
389 cc
118 cc
118 cc
389 cc
Engine Type
Same
GX Series OHV Commercial-duty
GX Series OHV Commercial-duty
GX Series OHV Commercial-duty
GX Series OHV Commercial-duty
Shaft Diameter
Same
7/8 in
3/4 in
3/4 in
1 in
Shaft Length
Same
5.06 in
2.43 in
2.09 in
3.48 in
Start Type
Same
Electric
Recoil
Recoil
Recoil
Shaft Keyway
Same
N/a; in
0.18 in
0.25 in
0.25 in
Net Torque
Same
19.5 ft-lbs.
5.4 ft-lbs.
5.4 ft-lbs.
19.5 ft-lbs.
Crankshaft
Same
V-type
Q-type
H-type
Q-type
PTO Height
Same
5.25 in
4.17 in
4.17 in
5.25 in
Cylinders (qty.)
Same
1
1
1
1
Cylinder Bore
Same
Cast Iron
Cast Iron
Cast Iron
Cast Iron
Net Power Output
Same
11.7 HP
3.5 HP
3.5 HP
11.7 HP
Compression Ratio
Same
8.2:1
8.5:1
8.5:1
8.2:1
Fuel Tank
Same
No
-
-
Yes
Oil Capacity
Same
1.16 qt
0.59 qt
0.59 qt
1.16 qt
Low Oil Shutdown
Same
Yes
Yes
Yes
Yes
Low Oil Alert
Same
Yes
Yes
Yes
Yes
Shaft Rotation (From PTO Shaft Side)
Same
Counter Clockwise
Counter Clockwise
Counter Clockwise
Counter Clockwise
Governor System
Same
Centrifugal Mass Governor
Centrifugal Mechanical
Centrifugal Mechanical
Centrifugal Mechanical
Ignition System
Same
Digital CDI W/variable Timing
Electronic
Electronic
Electronic
Carburetor
Same
Butterfly Float
Float
Float
Float, External Vent
Lubrication System
Same
Splash
Splash
Splash
Splash
Bearing Type
Same
Ball
-
-
-
Auto Compression Release
Same
Yes
Yes
Yes
Yes
Cooling System
Same
Air
Air
Air
Air
Bore
Same
3.46 in
2.4 in
2.4 in
3.5 in
Stroke
Same
2.5 in
1.7 in
1.7 in
2.5 in
Air Cleaner Type
Same
Dual Element
Dual Element
Dual Element
Dual Element
Choke Control
Same
Remote
Manual
Manual
Manual
Throttle Control
Same
Automatic
Remote
Remote
Remote
Fuel Filter
Same
Yes
-
-
Yes
Muffler Included
Same
No
Yes
Yes
Yes
Fuel Tank Capacity
Same
-
2.1 qt
2.1 qt
6.4 qt
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