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Home Marine gearbox NEW Advance D300A Heavy Duty Marine Gearbox 5.52:1 Reduction – Premium Marine Transmission
NEW Advance D300A Heavy Duty Marine Gearbox 5.05:1 Reduction – Heavy-Duty Marine Transmission
NEW Advance D300A Heavy Duty Marine Gearbox 5.05:1 Reduction – Heavy-Duty Marine Transmission $16,164.00 Original price was: $16,164.00.$13,100.00Current price is: $13,100.00.
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Yanmar 1GM10
Yanmar 1GM10 9hp Marine Diesel Engine | In Stock $5,040.38
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NEW Advance D300A Heavy Duty Marine Gearbox 5.52:1 Reduction – Premium Marine Transmission

$16,161.00 Original price was: $16,161.00.$13,000.00Current price is: $13,000.00.

The NEW Advance D300A Heavy Duty Marine Gearbox 5.52:1 Reduction combines robust engineering, efficient power transmission, and outstanding durability to meet the needs of demanding marine applications. Its heavy-duty design and optimized reduction ratio make it the ideal choice for marine professionals seeking reliable, high-performance propulsion solutions.

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Description

The NEW Advance D300A Heavy Duty Marine Gearbox 5.52:1 Reduction is a high-quality marine transmission designed to deliver exceptional reliability, efficient power transfer, and long-lasting performance in demanding marine environments. Built for heavy-duty commercial and industrial applications, this gearbox is an ideal solution for fishing vessels, workboats, passenger boats, tugboats, and other marine propulsion systems.

With its 5.52:1 reduction ratio, the Advance D300A Marine Gearbox provides increased torque and optimized propeller performance, allowing for superior thrust, improved fuel efficiency, and enhanced low-speed maneuverability. Engineered for continuous operation, this marine reduction gearbox ensures smooth and dependable power transmission while minimizing wear on drivetrain components.

Manufactured to meet the rigorous demands of marine professionals, the Advance D300A Heavy Duty Marine Gearbox is built with durable internal components that offer excellent load-bearing capacity and reliable operation in harsh saltwater and freshwater environments.

Key Features

  • NEW Advance D300A Heavy Duty Marine Gearbox
  • 5.52:1 reduction ratio for maximum torque and propulsion efficiency
  • Heavy-duty construction for commercial and industrial marine applications
  • Smooth and efficient engine-to-propeller power transmission
  • Rugged design for long service life in demanding marine environments
  • Improves vessel handling and low-speed control
  • Engineered for reliable, continuous-duty performance
  • Compatible with a wide range of marine diesel engine installations

Benefits

The Advance D300A 5.52:1 Marine Gearbox is designed to maximize engine performance while delivering consistent power to the propeller. Its optimized gear reduction improves propulsion efficiency, reduces drivetrain stress, and enhances vessel control, making it an excellent choice for operators who demand dependable performance and durability.

Whether you’re replacing an existing gearbox or installing a new propulsion system, the NEW Advance D300A Heavy Duty Marine Gearbox 5.52:1 Reduction offers the strength, reliability, and efficiency required for professional marine operations.

Product Specifications

  • Product Name: NEW Advance D300A Heavy Duty Marine Gearbox
  • Model: D300A
  • Reduction Ratio: 5.52:1
  • Gearbox Type: Heavy Duty Marine Reduction Gearbox
  • Application: Commercial fishing boats, workboats, passenger vessels, tugboats, and industrial marine propulsion systems
  • Condition: New

Why Choose the NEW Advance D300A Heavy Duty Marine Gearbox 5.52:1 Reduction?

The NEW Advance D300A Heavy Duty Marine Gearbox 5.52:1 Reduction combines robust engineering, efficient power transmission, and outstanding durability to meet the needs of demanding marine applications. Its heavy-duty design and optimized reduction ratio make it the ideal choice for marine professionals seeking reliable, high-performance propulsion solutions.

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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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    • 1963 SC-101, Greer, SC 29651
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