Description
Honda Horizontal Engine – HDA,GX390-QA2
Honda GX390 QA2 Horizontal OHV Engine, 389cc, 11.7 Net HP, 1″ x 3-31/64″ Crankshaft, Tapped 3/8-24UNF 2BTAP, Recoil Start, Model GX390UT2QA2
Specifications
Brand | Honda |
---|---|
Model Number | GX390UT2QA2 |
Internal ID | HDA-GX390-QA2 |
Replaces Models | GX390U1QA2, GX390UT1 QA2, GX390UT1-QA2, GX390K1-QA2, GX390UT2QA2, GX390UT2QA2, GX390K1QA2 |
Warranty | 3 Year Residential |
Available to California | Not Available to Ship to California |
Weight | 78.0 lb |
Power Output | 11.7 HP @ 3600 RPM |
Torque | 19.5 lb-ft (26.5 Nm) @ 2500 RPM |
Crankshaft Orientation | Horizontal |
Crankshaft Type | Straight |
Crankshaft Diameter | 1″ |
Crankshaft Length | 3-31/64″ |
Crankshaft Dimensions | 1″ x 3-31/64″ |
End Tapped Size | 3/8-24UNF 2BTAP |
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 |
Low Oil Alert | Yes |
Fuel Type | Unleaded 86 Octane or Higher |
Fuel Tank Capacity | 6.4 qt |
Fuel Pump | N/A |
Governor System | Centrifugal Mass |
Lubrication System | Splash |
Controls | Manual Choke, Manual/Remote (Rod) Throttle |
Bore x Stroke | 88mm x 64mm |
Compression Ratio | 8.2 : 1 |
Charging System | N/A |
Muffler | Silent, Spark Arrester, Deflector |
What Our Experts Think
- Powerful & Reliable: The Honda GX390-QA2 Horizontal Engine delivers impressive power and consistent performance, making it ideal for demanding applications.
- Long-Lasting Durability: Built to withstand harsh conditions, this engine offers exceptional durability and longevity, even under heavy use.
- Fuel Efficiency: Designed with advanced fuel-saving technology, it ensures extended operation with reduced fuel consumption, lowering overall costs.
- Quiet & Smooth Operation: Its well-balanced design reduces vibrations and noise, providing a quieter and smoother experience during use.
- Easy Maintenance: Engineered for quick and easy maintenance, the GX390-QA2 allows for minimal downtime and hassle-free upkeep.
- Versatile & Powerful: Perfect for a wide range of equipment, including pressure washers, pumps, and industrial machinery, offering the reliability and performance you need for tough jobs.
Q&A
Q: What is the Honda Horizontal Engine – HDA, GX390-QA2?
A: The Honda Horizontal Engine – HDA, GX390-QA2 is a high-performance, reliable engine designed for heavy-duty outdoor machinery. Known for its power and durability, it’s ideal for commercial-grade equipment like generators, pumps, and large lawnmowers.
Q: What are the key features of the GX390-QA2 engine?
A: This engine boasts a robust OHV (Overhead Valve) design, offering excellent fuel efficiency, low emissions, and smooth operation. It features easy starting, high torque, and exceptional performance in demanding conditions.
Q: What are the benefits of using the GX390-QA2 engine?
A: The GX390-QA2 engine provides outstanding power, fuel efficiency, and minimal maintenance. Its long-lasting durability and reliable performance make it perfect for tough, continuous applications in commercial and industrial equipment.
Q: Is the GX390-QA2 engine easy to maintain?
A: Yes, the GX390-QA2 is designed for easy maintenance with accessible parts for quick oil changes, air filter replacements, and general servicing, ensuring minimal downtime.
Q: Can the GX390-QA2 engine be used for different outdoor equipment?
A: Yes, the GX390-QA2 engine is versatile and suitable for various high-demand outdoor equipment, including commercial mowers, pressure washers, water pumps, and other heavy-duty machinery requiring reliable, powerful performance.
Maintenance Tips
- Oil Change: Change engine oil every 100 hours or annually, whichever comes first.
- Air Filter: Clean or replace the air filter regularly to ensure proper airflow and engine efficiency.
- Spark Plug: Inspect and replace the spark plug annually or if engine performance declines.
- Fuel System: Use fresh, clean fuel and drain the tank if the engine is not in use for extended periods.
- Coolant: Maintain proper coolant levels to prevent overheating and engine damage.
- General Inspection: Inspect for leaks, debris, and any loose parts; clean around the engine to ensure proper ventilation.
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