Advance HC138 Marine Reduction Gearbox — Ratio 3:1

Overview

The Advance HC138 is a heavy-duty marine reduction gearbox for ship and boat propulsion. Its rugged cast-iron housing, precision helical gears, and multi-plate clutch transmit torque smoothly from the main diesel engine to the propeller shaft. Configured with a 3:1 reduction ratio and CCS certified, it is supplied ready for global export.

Key selling points

• 3:1 reduction ratio for reliable marine propulsion
• Heavy-duty cast-iron housing for long service life in harsh marine environments
• Precision helical gears and multi-plate clutch for smooth, reliable transmission
• CCS certified; built for professional marine propulsion
• 1 Year / 1500 hrs warranty with wooden-box export packing

Technical specifications

Features & highlights

• Rigid cast-iron construction resists vibration and supports high loads
• Helical gearset with thrust bearing for smooth engagement and axial-load handling
• Machined output flange for secure, precise shaft connection
• Control valve and dipstick for easy operation and maintenance
• Lifting eyes for safe handling and installation

Typical applications

Marine main propulsion for fishing boats, cargo ships, tug boats, and yachts, matched to the vessel's engine power and required reduction ratio.

See it in use: Inland Cargo Boat Fleet Standardised on 170 kW Weichai Engines.

Customization options

Alternative reduction ratios, input-speed matching, flange and coupling configurations, and OEM requirements available on request. Contact us with your engine model and vessel specifications for a tailored recommendation.

Ordering information

Supplied in protective wooden-box packing for safe global transport. Warranty: 1 Year / 1500 hrs. Please confirm engine model, power, and required reduction ratio when ordering.

Frequently asked questions