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Home Horizontal Engines Honda Horizontal OHV Engine 389cc GX Series 1in x 3 31 64in Shaft
Briggs Stratton 950 Series Horizontal OHV Engine
Briggs Stratton 950 Series Horizontal OHV Engine $221.00
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Ironton OHV Horizontal Engine 208cc 3 4in. 19.05mm x 2 19 64in. 58.5mm Shaft
Ironton OHV Horizontal Engine 208cc 3 4in. 19.05mm x 2 19 64in. 58.5mm Shaft $89.00

Honda Horizontal OHV Engine 389cc GX Series 1in x 3 31 64in Shaft

$401.00

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SKU: 84506927 Category: Horizontal Engines
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Description

Honda Horizontal OHV Engine 389cc GX Series 1in x 3 31/64in Shaft

Product Summary

The Honda 389cc GX Series OHV commercial-grade engine is designed for the most demanding commercial applications. It has set an industry standard for reliability and durability. Overhead Valve design offers cooler, fuel-efficient operation and cast iron cylinder sleeve provides longer service life. The GX is reliable, easy starting and quiet ruing. Meets EPA and CARB emission levels standards. This legendary engine has earned the reputation as the preferred engine for construction equipment. Common applications include pressure washers, compressors, log splitters and chipper/shredders.n

Key Specs

Item# 6066
Brand Honda Engines
Manufacturer’s Warranty 3 year limited warranty
Ship Weight 85.0 lbs
Engine Displacement 389 cc
Engine Type GX Series OHV commercial-duty
Net Power Output 11.7 HP
Start Type Recoil
Shaft Diameter 1 in
Shaft Length 3.48 in
Net Torque 19.5 ft-lbs.
Shaft Output Horizontal
Shaft Keyway 0.25 in
Shaft End Tapped (Diameter (in.)/Threads per inch) 3/8-24
Shaft Rotation (From PTO Shaft Side) Counterclockwise
Crankshaft Q-type
PTO Height 5.25 in
Cylinders (qty.) 1
Cylinder Bore Cast iron
Compression Ratio 8.2:1
Cooling System Air cooled
Bore 3.5 in
Stroke 2.5 in
Air Cleaner Type Dual element
Fuel Tank Yes
Fuel Type Gasoline
Fuel Tank Capacity 6.4 qt
Fuel Filter Fuel tank filler neck strainer
Oil Capacity 1.16 qt
Low Oil Alert Yes
Low Oil Shutdown Yes
Lubrication System Splash
Ignition System Electronic
Governor System Centrifugal mechanical
Carburetor Float, external vent
Throttle Control Remote (wire)
Choke Control Manual
Max. RPM 3,600
Muffler Included Yes
Auto Compression Release Yes
CARB Approval No
Bolt Circle 5, 6.5 in
Mounting Base Length 7.68 in
Mounting Base Width 3.39 to 4.06 in
Dimensions L x W x H (in.) 15.87 x 17.68 x 17.37 in
Shipping & Delivery
wd-ship-1
wd-ship-2

Effective Date: August 9, 2025

At X Factors Motorsports, we are committed to delivering your order quickly, securely, and affordably.


1. Processing Time

  • Orders are typically processed within 1–2 business days after payment is confirmed.

  • Orders placed on weekends or holidays will be processed on the next business day.


2. Delivery Times

  • Domestic Shipping (United States): Delivery takes 5–7 business days from the date of shipment.

  • International Shipping: Delivery times vary by destination and may take 7–21 business days depending on customs processing and local delivery services.


3. Shipping Rates

  • United States: Free standard shipping on all orders.

  • International: Shipping costs are calculated at checkout based on the delivery address, package weight, and destination country.


4. Carriers Used

We ship orders using trusted carriers such as UPS, FedEx, USPS, and DHL to ensure reliable delivery. Tracking numbers are provided for all shipments.

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    At X Factors Motorsports, we specialize in high-performance engines, outboards, and premium automotive equipment. With expert support, fast shipping, and trusted brands, we help builders, racers, and enthusiasts power their passion — one project at a time.

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