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Home Marine gearbox NEW Advance HC138 Heavy Duty Marine Gearbox – 2.52:1 Reduction Ratio
NEW Advance HC138 Heavy Duty Marine Gearbox – 2.00:1 Reduction Ratio
NEW Advance HC138 Heavy Duty Marine Gearbox – 2.00:1 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
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.
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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.

The Advance HC138 Heavy Duty Marine Gearbox 2.52:1 Reduction is built to deliver reliable, efficient, and long-lasting performance in demanding marine conditions. Its optimized reduction ratio enhances propeller efficiency, improves vessel maneuverability, and helps extend engine life by reducing mechanical stress. Trusted by commercial marine operators, this gearbox is an excellent choice for maximizing propulsion performance and operational reliability.

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Category: Marine gearbox
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Description

The NEW Advance HC138 Heavy Duty Marine Gearbox 2.52:1 Reduction is a premium marine transmission engineered for dependable power transfer, superior durability, and long-lasting performance in demanding marine environments. Designed for commercial and industrial marine applications, this heavy-duty gearbox delivers smooth operation, high torque capacity, and exceptional reliability for vessels operating under continuous workloads.

With its 2.52:1 reduction ratio, the Advance HC138 Marine Gearbox optimizes engine output by reducing propeller speed while increasing torque, resulting in improved fuel efficiency, enhanced thrust, better vessel control, and reduced engine wear. Precision-manufactured gears ensure quiet, efficient operation, making this gearbox an excellent choice for professional marine operators.

Built with a rugged, corrosion-resistant housing and high-strength internal components, the Advance HC138 Heavy Duty Marine Gearbox is designed to withstand harsh freshwater and saltwater conditions. Whether you are replacing an existing marine transmission or installing a new propulsion system, this gearbox provides the performance and reliability your vessel demands.

Key Features

  • Brand new Advance HC138 Heavy Duty Marine Gearbox
  • 2.52:1 reduction ratio for efficient torque multiplication
  • Heavy-duty construction for commercial and industrial marine use
  • Precision-engineered gears for smooth and quiet performance
  • High torque capacity for demanding marine applications
  • Corrosion-resistant housing for extended service life
  • Designed for continuous-duty operation
  • Efficient power transmission for improved propulsion performance
  • Low maintenance design for reduced operating costs

Applications

The Advance HC138 2.52:1 Marine Gearbox is ideal 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: 2.52:1
  • 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 2.52:1 Reduction is built to deliver reliable, efficient, and long-lasting performance in demanding marine conditions. Its optimized reduction ratio enhances propeller efficiency, improves vessel maneuverability, and helps extend engine life by reducing mechanical stress. Trusted by commercial marine operators, this gearbox is an excellent choice for maximizing propulsion performance and operational reliability.

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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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