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Home Marine gearbx NEW Advance D300A Heavy Duty Marine Gearbox – 7.63:1 Reduction Ratio
NEW Advance D300A Heavy Duty Marine Gearbox – 7.06:1 Reduction Ratio
NEW Advance D300A Heavy Duty Marine Gearbox – 7.06:1 Reduction Ratio $16,154.00 Original price was: $16,154.00.$13,100.00Current price is: $13,100.00.
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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 D300A Heavy Duty Marine Gearbox – 7.63:1 Reduction Ratio

$16,154.00 Original price was: $16,154.00.$13,000.00Current price is: $13,000.00.

The Advance D300A Heavy Duty Marine Gearbox 7.63:1 Reduction is built to meet the demands of professional marine operators who require reliable power transmission and long-lasting durability. Its optimized reduction ratio helps maximize propeller efficiency, improve low-speed maneuverability, and reduce engine stress, making it an excellent investment for commercial and industrial vessels.

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Description

The NEW Advance D300A Heavy Duty Marine Gearbox 7.63:1 Reduction is engineered to deliver outstanding performance, durability, and efficient power transmission for commercial and industrial marine applications. Designed to handle demanding workloads, this high-quality marine reduction gearbox provides reliable operation for fishing vessels, workboats, tugboats, cargo vessels, and other heavy-duty marine propulsion systems.

With a 7.63:1 reduction ratio, the Advance D300A marine gearbox offers excellent torque multiplication, enabling your engine to operate at its optimal speed while delivering increased propeller thrust. This results in improved vessel control, enhanced fuel efficiency, smoother operation, and reduced engine wear during continuous service.

Built with precision-machined gears and a robust, corrosion-resistant housing, the Advance D300A Heavy Duty Marine Gearbox is designed to perform in challenging freshwater and saltwater environments. Its rugged construction ensures long service life and dependable performance, making it an ideal choice for professional marine operators.

Key Features

  • Brand new Advance D300A Heavy Duty Marine Gearbox
  • 7.63:1 reduction ratio for high torque and efficient propulsion
  • Heavy-duty construction for commercial and industrial marine applications
  • Precision-engineered gears for smooth, quiet operation
  • High-strength components for continuous-duty performance
  • Efficient power transfer for improved propulsion efficiency
  • Corrosion-resistant housing for harsh marine environments
  • Low maintenance and long service life
  • Designed for reliable, long-term operation

Applications

The Advance D300A 7.63:1 Marine Gearbox is suitable for:

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

Technical Specifications

  • Product Name: Advance D300A Heavy Duty Marine Gearbox
  • Condition: New
  • Reduction Ratio: 7.63:1
  • 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 D300A Marine Gearbox?

The Advance D300A Heavy Duty Marine Gearbox 7.63:1 Reduction is built to meet the demands of professional marine operators who require reliable power transmission and long-lasting durability. Its optimized reduction ratio helps maximize propeller efficiency, improve low-speed maneuverability, and reduce engine stress, making it an excellent investment for commercial and industrial vessels.

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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

    Wave Inboard Motors
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