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Honda Horizontal OHV Engine for Generators with Electric Start — 389cc, GX Series, Tapered 7/8in. x 5 1/16in. Shaft, Model# GX390RT2VWE

Item# 44375
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Honda Horizontal OHV Engine for Generators with Electric Start — 389cc, GX Series, Tapered 7/8in. x 5 1/16in. Shaft, Model# GX390RT2VWE

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Only $859.99
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  • 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
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Product Summary

The Honda Horizontal OHV Engine for Generators is designed for the most demanding generator applications. Reliable and durable, with an overhead valve design that offers cooler, fuel-efficient operation and a cast iron cylinder sleeve that provides longer service life.

What's Included
  •  (1) Engine

Features + Benefits

  • 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
  • Low profile design
  • Electric start
  • Fits U.S.A. generators
  • Does not fit Honda PE generators or others with metric shaft
Key Specs
Item# 44375
Brand Honda Engines
Manufacturer's Warranty 3 year limited warranty
Ship Weight 70.0 lbs
Engine Displacement (cc) 389
Start Type Electric
Application Generator
Engine Type GX series OHV commercial-duty
Net Power Output (HP) 11.7 (8.7 kW) at 3,600 RPM
Net Torque (lbs./ft.) 19.5 (26.4 Nm) at 2,500 RPM
Shaft Output Horizontal
Crankshaft V type
Shaft Diameter (in.) 7/8, tapered
Shaft Length (in.) 5 1/16
Shaft Keyway (in.) N/A; tapered shaft
Shaft End Tapped (Diameter (in.)/Threads per inch) 5/16–24 UNF
Shaft Rotation (From PTO Shaft Side) Counterclockwise
PTO Height (in.) 5 1/4
Bearing Type Ball bearing
Cylinders (qty.) 1
Cylinder Bore Cast iron
Bore x Stroke (in.) 3 15/32 x 2 1/2
Compression Ratio 8.2:1
Cooling System Air cooled
Air Cleaner Type Low profile dual element
Fuel Tank Not included
Fuel Type Gasoline
Fuel Filter Yes
Oil Capacity (qt.) 1.16
Lubrication System Splash
Low Oil Alert Yes
Low Oil Shutdown Yes
Ignition System Digital CDI w/variable timing
Governor System Centrifugal mass governor
Carburetor Butterfly float
Throttle Control Auto
Choke Control Remote
Max. RPM 3,600
Muffler Included No
Auto Compression Release Yes
Bolt Circle (in.) 5, 6 1/2
Mounting Base L x W (in.) 7 11/16 x 3 25/64–4 1/16
Dimensions L x W x H (in.) 16 x 19 1/10 x 17 7/10
EPA/CARB Approval (California Air Resource Board) Yes

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Replacement Parts
Call To Order: 1-800-657-0516

Mon - Fri 7:00 AM - 6:00 PM (Central)
Sat 7:00 AM - 3:00 PM (Central)

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Honda Horizontal OHV Engine for Generators with Electric Start — 389cc, GX Series, Tapered 7/8in. x 5 1/16in. Shaft, Model# GX390RT2VWE The price is $859.99.
Honda Horizontal OHV Engine for Generators with Electric Start — 389cc, GX Series, Tapered 7/8in. x 5 1/16in. Shaft, Model# GX390RT2VWE
(Not Yet Rated - New)
Item# 44375
In Stock Online
Only $859.99
Hide Similarities
Engine Displacement (cc)
270 389 389 389 389
Start Type
Recoil Recoil Electric w/recoil backup Recoil Electric
Application Chipper, shredder, log splitter, compressor Pressure washer, compressor Pressure washer, compressor Cement mixer Generator
Engine Type GX series OHV commercial-duty GX series OHV commercial-duty GX series OHV commercial-duty GX series OHV commercial-duty GX series OHV commercial-duty
Net Power Output (HP) 8.5 (6.3 kW) at 3,600 RPM 11.7 (8.7 kW) at 3,600 RPM 11.7 (8.7 kW) at 3,600 RPM 11.7 (8.7 kW) at 3,600 RPM 11.7 (8.7 kW) at 3,600 RPM
Net Torque (lbs./ft.) 14.1 (19.1 Nm) at 2,500 RPM 19.5 (26.4 Nm) at 2,500 RPM 19.5 (26.4 Nm) at 2,500 RPM 19.5 (26.4 Nm) at 2,500 RPM 19.5 (26.4 Nm) at 2,500 RPM
Shaft Output
Horizontal Horizontal Horizontal Horizontal Horizontal
Crankshaft Q-type Q-type Q-type H type V type
Shaft Diameter (in.) 1 1 1 1 7/8, tapered
Shaft Length (in.) 3 31/64 3 31/64 3 31/64 3 15/64 5 1/16
Shaft Keyway (in.)
- 1/4 1/4 - N/A; tapered shaft
Shaft End Tapped (Diameter (in.)/Threads per inch) 3/8–24 3/8–24 3/8–24 - 5/16–24 UNF
Shaft Rotation (From PTO Shaft Side) Counterclockwise Counterclockwise Counterclockwise Counterclockwise Counterclockwise
Gear Reduction - - - H type 6:1 -
PTO Height (in.)
5 1/4 5 1/4 5 1/4 5 1/4 5 1/4
Bearing Type
- - - - Ball bearing
Cylinders (qty.)
1 1 1 1 1
Cylinder Bore
Cast iron Cast iron Cast iron Cast iron Cast iron
Bore x Stroke (in.)
3.0 x 2.3 3.5 x 2.5 3.5 x 2.5 3.5 x 2.5 3 15/32 x 2 1/2
Compression Ratio
8.5:1 8.2:1 8.2:1 8.2:1 8.2:1
Cooling System
Air cooled Air cooled Air cooled Air cooled Air cooled
Air Cleaner Type
Dual element Dual element Dual element Dual element Low profile dual element
Fuel Tank - Standard (White) Standard (White) Standard (White) Not included
Fuel Type Gasoline Gasoline Gasoline Gasoline Gasoline
Fuel Tank Capacity (qt.) 5.6 6.4 6.4 6.4 -
Fuel Filter
Fuel tank filler neck strainer Fuel tank filler neck strainer Fuel tank filler neck strainer Fuel tank filler neck strainer Yes
Oil Capacity (qt.)
1.16 1.16 1.16 1.16 1.16
Lubrication System
Forced splash Forced splash Forced splash Forced splash Splash
Low Oil Alert
Yes Yes Yes Yes Yes
Low Oil Shutdown
- Yes Yes Yes Yes
Ignition System
Electronic Electronic Electronic Electronic Digital CDI w/variable timing
Governor System
Centrifugal mechanical Centrifugal mechanical Centrifugal mechanical Centrifugal mechanical Centrifugal mass governor
Carburetor
Float, external vent Float, external vent Float, external vent Float, external vent Butterfly float
Throttle Control
Remote (wire) Remote (wire) Remote (wire) Manual Auto
Choke Control
Manual Manual Manual Manual Remote
Max. RPM
3,600 3,600 3,600 3,600 3,600
Charging System Amps - - 10 - -
Muffler Included
- Silent Silent, exhaust pipe protector, deflector Standard, exhaust pipe protector, spark arrestor, deflector No
Auto Compression Release
- Yes Yes Yes Yes
Bolt Circle (in.)
5, 6 1/2 5, 6 1/2 5, 6 1/2 5, 6 1/2 5, 6 1/2
Mounting Base L x W (in.)
7 11/16 x 3 3/16–3 11/16 7 11/16 x 3 25/64–4 1/16 7 11/16 x 3 25/64–4 1/16 7 11/16 x 3 25/64–4 1/16 7 11/16 x 3 25/64–4 1/16
Dimensions L x W x H (in.)
15 x 16 7/8 x 16 1/8 15 7/8 x 17 11/16 x 17 3/8 15 7/8 x 17 11/16 x 17 3/8 15 7/8 x 17 11/16 x 17 3/8 16 x 19 1/10 x 17 7/10
EPA/CARB Approval (California Air Resource Board)
Yes Yes Yes Yes Yes