The engine does not have a tapered shaft.
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Honda Engines, HONDA ENGINE HORZ 390CC 2VWC, Engine Displacement 389 cc, Engine Type GX Series OHV Commercial-duty, Shaft Diameter 7/8 in, Model# GX390RT2VWC

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- Extremely reliable and durable, with an overhead valve design that offers cooler, fuel-efficient operation
- Cast iron cylinder sleeve provides longer service life
- Automatic decompression for easy starting
- Heavy-duty ball bearing supported crankshaft
- Low profile design
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Description
Key Specs
Reviews
Q & A
Accessories
Warranty
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Product Summary
What's Included
- (1) Engine
Features + Benefits
- Extremely reliable and durable, with an overhead valve design that offers cooler, fuel-efficient operation
- Cast iron cylinder sleeve provides longer service life
- Automatic decompression for easy starting
- Heavy-duty ball bearing supported crankshaft
- Low profile design
- Fits U.S.A. generator sets
- Does not fit Honda PE generators or others with metric shaft
- Not for sale in CA
Key Specs
| Attribute | Specification |
|---|---|
item# | 44374 |
Brand | Honda Engines |
Manufacturer's Warranty | 3 year limited warranty |
Ship Weight | 70.0 LB |
Engine Displacement | 389 cc |
Engine Type | GX Series OHV Commercial-duty |
Shaft Diameter | 7/8 in |
Shaft Length | 5.06 in |
Start Type | Recoil |
Shaft Keyway | N/a; in |
Net Torque | 19.5 ft-lbs. |
Crankshaft | V-type |
PTO Height | 5.25 in |
Cylinders (qty.) | 1 |
Cylinder Bore | Cast Iron |
Net Power Output | 11.7 HP |
Compression Ratio | 8.2:1 |
Fuel Tank | No |
| Attribute | Specification |
|---|---|
Oil Capacity | 1.16 qt |
Low Oil Shutdown | Yes |
Low Oil Alert | Yes |
Shaft Rotation (From PTO Shaft Side) | Counter Clockwise |
Governor System | Centrifugal Mass Governor |
Ignition System | Digital CDI W/variable Timing |
Carburetor | Butterfly Float |
Lubrication System | Splash |
Bearing Type | Ball |
Auto Compression Release | Yes |
Cooling System | Air |
Bore | 3.46 in |
Stroke | 2.5 in |
Air Cleaner Type | Dual Element |
Choke Control | Remote |
Throttle Control | Automatic |
Fuel Filter | Yes |
Muffler Included | No |
Reviews
Questions & Answers
Questions
-
· a year ago
Is the out putshaft tapered for genny electric motor
1 answer-
ProductExpert6· a year ago
Helpful?
-
-
· 5 years ago
Is this engine electric start?
1 answer-
ProductExpert6· 3 years ago
This engine is not electric start, it has a recoil start type. See our item #44375 for this engine with electric start.
Helpful?
-
Accessories We Recommend
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Warranty
Manufacturer's Warranty
3 year limited warranty
Extend Your Warranty Coverage with a Northern Protection Plan (NPP)
Repair Plan — 1 Year
A Northern Protection Plan is available after adding the product to your shopping cart.
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Specifications
389 cc
118 cc
118 cc
179 cc
GX Series OHV Commercial-duty
GX Series OHV Commercial-duty
GX Series OHV Commercial-duty
OHV
7/8 in
3/4 in
3/4 in
3/4 in
5.06 in
2.43 in
2.09 in
2.43 in
Recoil
Recoil
Recoil
Recoil
N/a; in
0.18 in
0.25 in
1-51/64 in
19.5 ft-lbs.
5.4 ft-lbs.
5.4 ft-lbs.
9.5 ft-lbs.
V-type
Q-type
H-type
SAE J609EXT3 Straight Key W/shaft Dia.: 19.050mm (0.750in.) - Nominal
5.25 in
4.17 in
4.17 in
4.17 in
1
1
1
1
Cast Iron
Cast Iron
Cast Iron
2.56
11.7 HP
3.5 HP
3.5 HP
3.7 HP
8.2:1
8.5:1
8.5:1
8.5:1
No
-
-
Yes
1.16 qt
0.59 qt
0.59 qt
0.58 qt
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Counter Clockwise
Counter Clockwise
Counter Clockwise
Counter Clockwise
Centrifugal Mass Governor
Centrifugal Mechanical
Centrifugal Mechanical
Yes
Digital CDI W/variable Timing
Electronic
Electronic
Transitorical Configuration
Butterfly Float
Float
Float
Carburated
Splash
Splash
Splash
Splash
Ball
-
-
Ball
Yes
Yes
Yes
Yes
Air
Air
Air
Air
3.46 in
2.4 in
2.4 in
2.55 in
2.5 in
1.7 in
1.7 in
2.125 in
Dual Element
Dual Element
Dual Element
Foam+paper
Remote
Manual
Manual
Manual
Automatic
Remote
Remote
Adjustable
Yes
-
-
-
No
Yes
Yes
Yes
-
2.1 qt
2.1 qt
3.49 qt
-
-
-
19.05 mm
-
-
-
61.7 mm
-
-
-
No
-
-
-
3.625 in
-
-
-
6.378 in
-
-
-
3.15 in
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