Honda Horizontal Engine with Threaded Crankshaft - HDA, GX390-PA2
Honda GX390 PA2 Horizontal OHV Engine, 389cc, 11.7 Net HP, 1" x 3-1/2" 1-14 NF2 Threaded SAE Crankshaft, Model GX390UT2PA2
Specifications
| Brand |
Honda |
| Model Number |
GX390UT2PA2 |
| Internal ID |
HDA-GX390-PA2 |
| Warranty |
3 Year Residential |
| Available to California |
Not Available to Ship to California |
| Weight |
77.0 lb |
| Power Output |
11.7 HP @ 3600 RPM |
| Torque |
19.5 lb-ft (26.5 Nm) @ 2500 RPM |
| Crankshaft Orientation |
Horizontal |
| Crankshaft Type |
1-14 NF2 Threaded (SAE) |
| Crankshaft Diameter |
1" |
| Crankshaft Length |
3-1/2" |
| Crankshaft Dimensions |
1" x 3-1/2" |
| Crankshaft End Tapped Size |
1"-14UNF2 Thread R.H. |
| Keyway |
1/4" |
| Crankshaft Rotation Direction |
Counter-Clockwise |
| Starter Type |
Recoil |
| Ignition System |
Digital CDI with Variable Ignition Timing |
| Carburetor |
Butterfly Float |
| Number of Cylinders |
One |
| Cylinder Bore |
Cast Iron Sleeve |
| Air Cleaner |
Dual Element |
| Oil Capacity |
1.16 qt |
| Fuel Type |
Unleaded 86 Octane or Higher |
| Fuel Tank Capacity |
6.4 qt |
| Fuel Pump |
N/A |
| Governor System |
Centrifugal Mass |
| Lubrication System |
Splash |
| Bore x Stroke |
88mm x 64mm |
| Compression Ratio |
8.2 : 1 |
| Charging System |
N/A |
What Our Experts Think
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Powerful & Reliable: The Honda GX390-PA2 Horizontal Engine delivers exceptional power, making it ideal for heavy-duty applications and high-demand machinery.
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Threaded Crankshaft Design: Equipped with a threaded crankshaft, this engine is versatile and easily adaptable for a variety of attachments, enhancing compatibility with different equipment.
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Fuel Efficient: Engineered for optimal fuel consumption, the GX390-PA2 provides longer run times and fewer refuels, helping to reduce fuel costs and increase operational efficiency.
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Smooth & Quiet Operation: Designed to minimize vibration and noise, this engine ensures smooth, quiet performance, improving user comfort and extending the lifespan of your equipment.
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Durable Construction: Built to withstand tough working conditions, the GX390-PA2 is engineered for long-term durability and reliability, even in demanding environments.
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Versatile Applications: Perfect for various applications such as generators, pumps, and industrial equipment, the GX390-PA2 provides dependable power for a wide range of tasks.
Q&A
Q: What is the Honda Horizontal Engine with Threaded Crankshaft - HDA, GX390-PA2?
A: The Honda Horizontal Engine - HDA, GX390-PA2 is a high-performance engine designed for demanding outdoor equipment. It features a threaded crankshaft, ensuring a secure and easy attachment to various machines, such as large pumps, generators, and commercial-grade equipment.
Q: What are the key features of the GX390-PA2 engine?
A: The GX390-PA2 engine is powered by Honda’s advanced OHV (Overhead Valve) technology, offering superior fuel efficiency, smooth operation, and low emissions. Its threaded crankshaft allows for secure mounting in a wide range of equipment, making it ideal for commercial and industrial applications.
Q: What are the benefits of using the GX390-PA2 engine?
A: The GX390-PA2 engine delivers reliable power, excellent fuel economy, and minimal maintenance. Its threaded crankshaft ensures secure and versatile installation in various machinery, while its durable design ensures long-lasting performance in demanding environments.
Q: Is the GX390-PA2 engine easy to maintain?
A: Yes, the GX390-PA2 engine is designed for easy maintenance, with components that are easily accessible for oil changes, air filter replacements, and general servicing, which helps to minimize downtime and keep the engine in top condition.
Q: Can the GX390-PA2 engine be used for different outdoor equipment?
A: Yes! The GX390-PA2 engine is ideal for a variety of outdoor equipment, including large pumps, generators, and other machinery that require a threaded crankshaft for secure and reliable mounting, offering high-performance power across multiple applications.
Maintenance Tips
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Oil Change: Change the engine oil every 100 hours or annually, whichever comes first.
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Air Filter: Clean or replace the air filter regularly to maintain engine efficiency and airflow.
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Spark Plug: Inspect and replace the spark plug annually or when engine performance drops.
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Fuel System: Always use fresh, clean fuel and drain the tank if the engine is not used for an extended period.
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Threaded Crankshaft Maintenance: Ensure the crankshaft threads are clean and properly lubricated for smooth operation of attached components.
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General Inspection: Check for leaks, clean debris around the engine, and ensure all components are tightly secured.
