As outdoor events, storms, or power outages approach, having a reliable generator engine becomes especially crucial. I’ve personally tested several models, and let me tell you—durability and efficiency matter most. The 420CC 4-Stroke Gasoline Engine with 15HP from AreMOLO stood out because of its solid build, powerful performance, and long runtime. It handles heavy loads smoothly thanks to its 9700W capacity and maintains consistent output even under demanding conditions.
This engine also impressed me with its fuel efficiency—thanks to a high-precision carburetor and large 1.72-gallon tank, it runs longer without frequent refueling. Plus, features like forced air cooling and a low oil alarm add to its reliability and safety. After comparing it to other options, I can confidently recommend this engine because it combines power, durability, and thoughtful design. If you want long-lasting, efficient performance you can count on, the AreMOLO 420CC gasoline engine is worth serious consideration.
Top Recommendation: 420CC 4-Stroke Gasoline Engine with 15HP, 1.72Gal Fuel Tank
Why We Recommend It: This engine offers a perfect balance of high power (9700W and up to 3600 rpm), durable materials (aluminum and iron), and a large fuel tank for extended operation. Its efficient cooling system and low oil alarm enhance reliability, while a high-precision carburetor reduces fuel consumption. These features combined make it stand out in terms of performance and long-term value.
420CC 4-Stroke Gasoline Engine with 15HP, 1.72Gal Fuel Tank
- ✓ Durable high-quality materials
- ✓ Long run-time with large tank
- ✓ Efficient fuel consumption
- ✕ Slightly heavy for portability
- ✕ No electric start option
| Engine Displacement | 420cc |
| Power Output | 15 HP (9700W) |
| Maximum Speed | 3600 rpm |
| Fuel Tank Capacity | 1.72 gallons (6.5 liters) |
| Fuel Consumption | ≤374 g/kWh |
| Cooling System | Forced air cooling |
The first thing that catches your eye with this 420CC 4-stroke gasoline engine is its solid build quality. The combination of high-grade aluminum and iron gives it a hefty, durable feel that screams longevity.
Handling it, you notice how resistant it is to scratches and impacts, making it perfect for rugged outdoor use.
Power-wise, this engine doesn’t hold back. With up to 9700W and 3600 rpm maximum speed, it easily handles heavy loads without breaking a sweat.
Whether you’re running a large generator or other heavy-duty equipment, it provides a smooth, reliable performance. You’ll appreciate how quickly it kicks in and maintains steady power.
The fuel tank, at 1.72 gallons, offers impressive run-time, reducing the need for constant refueling during long jobs. And thanks to the high-precision carburetor, fuel consumption stays efficient, saving you money over time.
You’ll find that it keeps running longer on less fuel, which is a real win for budget-conscious users.
The cooling system is another standout. The forced air cooling keeps the engine at an optimal temperature, even under heavy use.
Plus, the cooling holes help prevent overheating, which extends the engine’s life and adds a layer of safety. The low oil alarm is a thoughtful touch, preventing unexpected shutdowns that can disrupt your work.
Noise levels are kept in check with an effective silencer, making it less disruptive in your work environment. All in all, this engine feels like a reliable powerhouse built to last, with thoughtful features that make your job easier and safer.