Product images are illustrative renders for marketing reference; final delivered product is built to order per confirmed specifications.

Advance HC138 Marine Gearbox

The Advance HC138 is a medium-duty marine reduction gearbox for ship and boat propulsion.

Model: HC138
Reduction Ratios: 2.52 / 3.0 / 3.57 / 4.05 / 4.45
Max Power Input: 375 HP @ 2500 rpm
Centre Distance: 225 mm
Dimensions (L×W×H): 520 × 792 × 760 mm
Weight: 360 kg

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Test report & video
Export wooden-box packing
FOB / CIF Shanghai
Warranty confirmed per order

Overview

The Advance HC138 is a medium-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, with a maximum power input of 375 HP and a range of selectable reduction ratios. It is supplied ready for global export.

Key selling points

Maximum power input of 375 HP for reliable marine propulsion
Multiple reduction ratios available (2.52 / 3.0 / 3.57 / 4.05 / 4.45)
Heavy-duty cast-iron housing for long service life in harsh marine environments
Precision helical gears and multi-plate clutch for smooth, reliable transmission
Fast 7-working-day delivery with wooden-box export packing

Technical specifications

Advance HC138 Marine Gearbox technical specifications
Brand	Advance
Model	HC138
Reduction Ratios	2.52 / 3.0 / 3.57 / 4.05 / 4.45
Max Power Input	375 HP @ 2500 rpm
Centre Distance	225 mm
Dimensions (L×W×H)	520 × 792 × 760 mm
Weight	360 kg
Packing	Wooden Box
Delivery	7 working days
Application	Marine / Ship

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 front bell housing and input flange for secure engine-side integration
Multi-plate clutch for reliable engagement
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

Reduction ratio selection, 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. Standard delivery in 7 working days. Please confirm engine model, power, and required reduction ratio when ordering.

Frequently asked questions

What is the Advance HC138 Marine Gearbox used for?

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

Can the Advance HC138 Marine Gearbox be customized?

Reduction ratio selection, 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.

How is it inspected, packed and shipped?

Each unit is checked against your order before dispatch, with a written outgoing-inspection report and video (machinery is run-tested). Goods are packed in export wooden-box or crate packing and shipped FOB or CIF from Shanghai; stock items ship promptly and built-to-order items typically within about 20 working days.

How do I get a price for the Advance HC138 Marine Gearbox?

Send an inquiry with the required configuration, quantity and destination port using the form on this page, email inquiry@marine-equipment-supply.com or WhatsApp +86 176 2154 1688. We reply with a matched recommendation and quotation within 24 hours on working days.

Get a quotation for the Advance HC138 Marine Gearbox

Tell us the configuration, quantity and destination port. We reply within 24 hours on working days.

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