SPECIFICATIONS

Bore X Stroke (mm) | 88 x 64 mm |
Compression ratio | 8.2 : 1 |
Description Code | 4-stroke single cylinder, OHV petrol engine, 25° inclined cylinder, Horizontal shaft |
Fuel Tank Capacity (L) | 6.1 Liter |
Ignition System | Digital CDI with variable ignition timing |
Net Power | 8.7 kW ( 11.7 HP ) / 3600 rpm |
Oil Capacity | 1.1 Liter |
Starting System | Recoil (el. start optional) |
Dry Weight(Kg) | 31.7 kg |
Displacement | 389 cm?3; |
Cylinder sleeve type | Cast iron sleeve |
Dimensions (L x W x H) | 406 x 460 x 448 mm |
Fuel cons. at cont. rated power | 3.1 L/h – 3600 rpm |
Cont rated power | 6.4 kW ( 8.6 HP ) / 3000 rpm, 7.0 kW ( 9.4 HP ) / 3600 rpm |
Max. net torque | 26.5 Nm / 2.7 kgfm / 2500 rpm |
Key Features
- Powerful Performance
The GX390 offers 8.7 kW (10.7 hp) net power @ 3600 rpm, providing the strength needed for intensive operations.
- OHV Design for Enhanced Efficiency
The Overhead Valve (OHV) design improves combustion efficiency and ensures a high power-to-displacement ratio, delivering more power with reduced emissions.
- Easy Starting Mechanism
Equipped with an automatic decompression system and an ergonomic soft recoil starter handle, the GX390 offers smooth and reliable starting, even in tough conditions.
- Durable and Long-Lasting
Manufactured with high-quality materials and components designed for long-term use, the GX390 ensures superior durability in the most demanding environments.
- Environmentally Friendly
The GX390 meets world-class environmental standards, offering low emissions and ensuring compliance with the strictest regulations.
- Efficient Fuel and Oil Consumption
The engine’s low fuel and oil consumption reduces operating costs, making it a cost-effective solution for a wide range of applications.
- Reduced Vibration and Noise
Engineered to minimize vibration and noise levels, it provides a more comfortable and quiet operation for the user, ideal for extended work periods.
Applications of the Honda GX390
Concrete Cutter
The Honda GX390 is extensively used in concrete cutting machines, which are essential for construction projects. With its high power output and robust design, the GX390 can handle the demanding tasks of cutting through thick concrete and hard surfaces with precision and ease.
The OHV design enhances fuel efficiency, allowing for longer operation without the need for frequent refueling, making it ideal for large-scale projects. Its easy-start system ensures reliable performance, even after extended use, and its reduced vibration enhances control and accuracy while cutting, leading to smoother and more precise results.
Engine Warranty Terms & Conditions
1. Warranty Period
- One year from the date of purchase for Non-Commercial use by customer.
- One year from the date of purchase for Commercial/ Rental use by customer.
2. Warranty Obligation
- Repair or replacement of defective part(s ), at any authorised dealer, free of charge, if found defective by reasons of defective material or poor workmanship.
3. Warranty Service
- To obtain warranty service the complete set must be presented to any of authorised dealer/service point at customer’s risk and expense.
4. Terms and Condition
- To qualify for warranty, Honda Engine must be set up by OEM and periodically serviced as per the maintenance schedule, provided in the Owner’s manual by an authorised Honda dealer or Service point and the details updated in the maintenance records. Ensure to get it recorded after every service availed by the Dealer / Service point representative.
- Presentation of this warranty & free service coupon booklet.
- Warranty does not include:
- Normal / natural wear & tear and normal deterioration of paint or other appearances.
- Failures resulting from unauthorised modifications or repairs.
- Failures resulting due to not availing of free service within the stipulated time
- Rubber parts, Hardware items like Nuts & Bolts, Element Air Cleaner, Filters, Electrical Wires, Spark Plug, Gaskets, Starter Rope, Oil and Petrol.
- Damages or failures resulting from misuse, operational faults, negligence, abnormal use, insufficient care, over-loading, accident or fire from external source, theft, chemical fall out, stone chipping, industrial pollution, or transportation.
- Failures due to usage of non-recommended or adulterated engine oil and fuel. Failures due to usage of mixture of engine oil and fuel.
- Normal phenomena such as noise and vibrations.
- Incidental or consequential damage like inconvenience or commercial loss.
- Any part or labour incurred in normal maintenance services.
- Failures resulting from usage of non-genuine spare part (s).
Disclaimer: Due to continuous improvement in product on the basis of market feedback above specification are subject to change with out any prior notice. Please contact authorized dealer/distributor for latest specification.