Honda GX390 Series Engines

The Honda GX390 delivers robust 11.7 HP performance for your most demanding commercial applications. This powerful 389cc engine runs construction equipment, agricultural machinery, and generators with ease. You get trusted reliability that starts quickly and runs all day. Honda’s legendary quality keeps your business moving when downtime isn’t an option.

Superior Power When Your Job Demands More

The GX390 produces impressive 19.5 lb-ft of torque at 2500 RPM. This gives you the muscle to power through tough jobs without hesitation. Your equipment responds better to changing load conditions throughout the workday. No more power fade when the work gets tough. Just consistent, reliable performance when you need it most.

Built for Durability in Commercial Environments

Your equipment faces harsh conditions daily. The GX390 thrives where other engines struggle. Its commercial-grade components are designed for 1500+ hours of professional operation. The heavy-duty crankshaft and cast iron cylinder sleeve handle continuous use without breaking down. Your investment keeps running year after year, even in extreme conditions.

• Fuel-efficient OHV design keeps costs low with 2.0 L/hr consumption at rated power
• Large 6.1-liter fuel tank extends run time between refueling stops
• Oil Alert® system prevents damage by shutting down when oil levels drop too low
• Dual-element air cleaner protects internal components in dusty environments
• Transistorized ignition ensures reliable starts in all weather conditions