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home > Swisher Honda GX390 OHV 389cc Horizontal Shaft Engine | Model GX390UT2QNE2 | 11.7 HP > Swisher Honda GX390 OHV 389cc Horizontal Shaft Engine | Model GX390UT2QNE2 | 11.7 HP
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Swisher Honda GX390 OHV 389cc Horizontal Shaft Engine | Model GX390UT2QNE2 | 11.7 HPProduct Description Swisher Honda GX390 OHV 389cc Horizontal Shaft Engine Model GX390UT2QNE2 11. 7 HP DESCRIPTION The Honda GX390UT2QNE2 is a powerful 389cc OHV horizontal shaft engine engineered for commercial grade reliability and performance. Delivering 11. 7 HP at 3,600 RPM, this engine is ideal for powering heavy duty equipment such as generators, pressure washers, construction machinery, and commercial mowers. Built with Hondas legendary
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Product Description

Swisher Honda GX390 OHV 389cc Horizontal Shaft Engine | Model GX390UT2QNE2 | 11.7 HP

 

DESCRIPTION

The Honda GX390UT2QNE2 is a powerful 389cc OHV horizontal shaft engine engineered for commercial-grade reliability and performance. Delivering 11.7 HP at 3,600 RPM, this engine is ideal for powering heavy-duty equipment such as generators, pressure washers, construction machinery, and commercial mowers.

Built with Honda’s legendary engineering, the GX390 features a digital CDI ignition system with variable timing, a dual-element air cleaner, and a butterfly float-type carburetor for consistent operation. Its electric start system ensures easy startup, while the counterclockwise PTO shaft rotation provides compatibility with a wide range of equipment.

Designed for durability, the GX390 includes a splash lubrication system, centrifugal mass governor, and hardened components to withstand demanding professional applications. Compact dimensions and a manageable weight of 69 lbs make installation straightforward while ensuring long service life.

Key Features

  • Powerful Output – 389cc displacement, delivering 11.7 HP (8.7 kW) @ 3,600 RPM.
  • Electric Start – Reliable and easy ignition for quick operation.
  • Durable OHV Design – Air-cooled 4-stroke OHV engine for efficiency and longevity.
  • Precision Engineering – Digital CDI ignition with variable timing for optimal performance.
  • Efficient Fuel System – Butterfly float-type carburetor and 6.4 qt fuel tank capacity.
  • Reliable Lubrication – Splash lubrication system ensures consistent oil distribution.
  • Clean Operation – Dual-element air cleaner for superior filtration.
  • Compact & Lightweight – Weighs only 69 lbs with dimensions of 16″ × 19.1″ × 17.7″.
  • OEM Quality – Genuine Honda GX390 engine, trusted worldwide for professional equipment.

Detailed Specifications

Category Specification
Brand Honda
Model GX390UT2QNE2 (Part# 21519)
Engine Series Honda GX390
Engine Type Air-Cooled 4-Stroke OHV
Displacement 389 cm³
Bore × Stroke 88 mm × 64 mm
Net Power Output 11.7 HP (8.7 kW) @ 3,600 RPM
Compression Ratio 8.2 : 1
PTO Shaft 1″ diameter, counterclockwise rotation (from shaft side)
Ignition System Digital CDI with variable ignition timing
Carburetor Butterfly float type
Lubrication System Splash
Governor System Centrifugal mass type
Air Cleaner Dual element
Start Type Electric start
Oil Capacity 1.16 US qt (1.1 L)
Fuel Tank Capacity 6.4 US qt (6.1 L)
Weight 69 lbs
Dimensions (L × W × H) 16″ × 19.1″ × 17.7″
Housing Material Cast aluminum/steel
Applications Generators, pressure washers, commercial mowers, construction equipment

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Swisher Honda GX390 OHV 389cc Horizontal Shaft Engine | Model GX390UT2QNE2 | 11.7 HP

Item no : 51347491359
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