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Home Marine gearbox NEW Advance HC138 Heavy Duty Marine Gearbox – 3.00:1 Reduction Ratio
NEW Advance HC138 Heavy Duty Marine Gearbox – 2.52:1 Reduction Ratio
NEW Advance HC138 Heavy Duty Marine Gearbox – 2.52:1 Reduction Ratio $11,000.00 Original price was: $11,000.00.$9,300.00Current price is: $9,300.00.
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NEW Advance HC138 Heavy Duty Marine Gearbox – 3.57:1 Reduction Ratio
NEW Advance HC138 Heavy Duty Marine Gearbox – 3.57:1 Reduction Ratio $11,000.00 Original price was: $11,000.00.$9,300.00Current price is: $9,300.00.
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NEW Advance HC138 Heavy Duty Marine Gearbox – 3.00:1 Reduction Ratio

$11,000.00 Original price was: $11,000.00.$9,300.00Current price is: $9,300.00.

The Advance HC138 Heavy Duty Marine Gearbox 3.00:1 Reduction is engineered for marine professionals and vessel owners who require dependable performance under demanding operating conditions. Its optimized reduction ratio increases propeller efficiency, reduces engine stress, and enhances maneuverability, making it a reliable solution for commercial and industrial marine propulsion systems.

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Category: Marine gearbox
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Description

The NEW Advance HC138 Heavy Duty Marine Gearbox 3.00:1 Reduction is a high-performance marine transmission designed to deliver reliable power transfer, outstanding durability, and efficient propulsion for commercial and recreational marine applications. Built to perform in demanding environments, this heavy-duty marine gearbox is ideal for fishing boats, workboats, passenger vessels, tugboats, cargo boats, and marine diesel engine installations.

Featuring a 3.00:1 reduction ratio, the Advance HC138 Marine Gearbox provides excellent torque multiplication while optimizing propeller speed for improved thrust, smoother vessel handling, and enhanced fuel efficiency. Precision-engineered gears ensure quiet, efficient operation while reducing wear, helping to extend the lifespan of both the gearbox and engine.

Constructed with a rugged, corrosion-resistant housing and premium internal components, the Advance HC138 Heavy Duty Marine Gearbox is designed for continuous-duty service in both freshwater and saltwater environments. Whether you’re replacing an existing marine gearbox or installing a new propulsion system, this transmission delivers dependable performance and long-term reliability.

Key Features

  • Brand new Advance HC138 Heavy Duty Marine Gearbox
  • 3.00:1 reduction ratio for optimized torque and propulsion efficiency
  • Heavy-duty construction for commercial and industrial marine applications
  • Precision-machined gears for smooth, quiet operation
  • High torque capacity for demanding marine conditions
  • Corrosion-resistant housing for long-lasting durability
  • Designed for continuous-duty marine service
  • Efficient power transmission for improved vessel performance
  • Low maintenance design with extended service life

Applications

The Advance HC138 3.00:1 Marine Gearbox is suitable for:

  • Commercial fishing boats
  • Workboats
  • Tugboats
  • Passenger ferries
  • Cargo vessels
  • Leisure and recreational boats
  • Marine diesel engine installations
  • Heavy-duty marine propulsion systems

Technical Specifications

  • Product Name: Advance HC138 Heavy Duty Marine Gearbox
  • Condition: New
  • Reduction Ratio: 3.00:1
  • Application: Marine propulsion systems
  • Gear Type: Heavy-duty marine reduction gearbox
  • Construction: Industrial-grade heavy-duty housing
  • Performance: High-torque, efficient power transmission

Why Choose the Advance HC138 Marine Gearbox?

The Advance HC138 Heavy Duty Marine Gearbox 3.00:1 Reduction is engineered for marine professionals and vessel owners who require dependable performance under demanding operating conditions. Its optimized reduction ratio increases propeller efficiency, reduces engine stress, and enhances maneuverability, making it a reliable solution for commercial and industrial marine propulsion systems.

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Shipping & Delivery

Shipping & Delivery Policy

Wave Inboard Motors – waveinboardmotors.com Last updated: November 24, 2025

We ship worldwide from our main warehouse in Fort Lauderdale, Florida, USA and have secondary stocking points in California (West Coast) and Rotterdam (Europe).

 
 
CategoryShipping Method & CarrierEstimated Delivery Time (business days)Cost Calculation
Small Parts & AccessoriesUSPS Priority, FedEx Ground, DHL ExpressUSA: 2-5Cont. USA: 3-7
Engines & Generators (<500 kg)Freight LTL (R+L, Old Dominion, DSV)USA: 5-12EU/UK: 10-21
Large Engines / Gensets (>500 kg)Flatbed, container, or Ro-RoUSA: 7-21International: 14-45
Oversized / Crated ItemsSpecialized heavy-haul or ocean freightVaries by destinationQuote only – contact sales
 

Free Shipping (Continental USA only)

  • Orders over $300 (before tax) ship free via ground service
  • Engines & generators are excluded from free shipping

International Shipping

  • All duties, taxes, VAT, and customs clearance fees are the buyer’s responsibility
  • We provide commercial invoices and certificates of origin
  • EU customers: no VAT charged on B2B orders with valid VAT ID
  • Delivery Duty Paid (DDP) available on request (extra charge)

Processing Time

  • In-stock items: same or next business day
  • Special order / factory-direct items (most engines & generators): 3-21 days
  • You will receive a confirmed ship date when order is placed

Tracking & Updates

Every order receives a tracking number the moment it ships. You’ll get automated emails at:

  • Order confirmed
  • Item shipped (with tracking link)
  • Out for delivery
  • Delivered

Signature Requirement

All orders over $2,500 require an adult signature upon delivery.

Shipping Restrictions

  • We cannot ship to P.O. boxes for items over 70 lbs
  • Hazardous materials (batteries, some oils) may require ground-only shipping

Damaged or Lost Shipments

  • Inspect shipment immediately upon receipt
  • Photograph any damage and notify us within 48 hours
  • We file claims on your behalf and ship replacements at no cost

Contact for Freight Quotes or Expedited Shipping

Email: shipping@waveinboardmotors.com Phone: +1 (555) 123-4567 (Mon-Fri 9am-5pm EST)

We’re boaters too — we pack every order as if it were going on our own boat. Thank you for choosing Wave Inboard Motors!

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    wave inboard motors for sale

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