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Home Marine gearbox NEW Advance 120C Heavy Duty Marine Gearbox 3.35:1 Reduction
NEW Advance 120C Heavy Duty Marine Gearbox 2.96:1 Reduction
NEW Advance 120C Heavy Duty Marine Gearbox 2.96:1 Reduction $8,600.00 Original price was: $8,600.00.$7,200.00Current price is: $7,200.00.
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NEW Advance 300 Heavy Duty Marine Gearbox 1.87:1 Reduction
NEW Advance 300 Heavy Duty Marine Gearbox 1.87:1 Reduction $1,520,300.00 Original price was: $1,520,300.00.$12,000.00Current price is: $12,000.00.
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NEW Advance 120C Heavy Duty Marine Gearbox 3.35:1 Reduction

$8,100.00 Original price was: $8,100.00.$6,900.00Current price is: $6,900.00.

The Advance 120C Heavy Duty Marine Gearbox 3.35:1 Reduction is trusted by marine professionals for its rugged construction, efficient power transfer, and reliable operation. Its optimized 3.35:1 gear reduction ratio makes it an excellent choice for vessels requiring increased thrust, dependable propulsion, and efficient engine performance under demanding operating conditions.

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Description

The NEW Advance 120C Heavy Duty Marine Gearbox 3.35:1 Reduction is a premium marine transmission engineered to deliver outstanding performance, durability, and reliability for a wide range of marine propulsion systems. Designed for commercial vessels, fishing boats, workboats, and recreational boats, this heavy-duty marine gearbox provides smooth power transfer and exceptional torque for demanding marine applications.

Featuring a 3.35:1 reduction ratio, the Advance 120C marine gearbox increases propeller torque while reducing shaft speed, resulting in improved fuel efficiency, enhanced thrust, and superior low-speed maneuverability. Manufactured with high-quality components and precision engineering, this gearbox is built to withstand continuous heavy-duty operation in harsh marine environments.

Whether you’re replacing an existing marine transmission or installing a new propulsion system, the Advance 120C 3.35:1 Marine Gearbox delivers dependable performance and long service life.


Key Features

  • Brand New Advance 120C Heavy Duty Marine Gearbox
  • 3.35:1 reduction ratio for increased propeller torque and efficiency
  • Heavy-duty construction for commercial and industrial marine applications
  • Smooth forward, neutral, and reverse operation
  • Precision-engineered gears for reliable power transmission
  • Durable, corrosion-resistant design for harsh marine environments
  • Low maintenance and long service life
  • Suitable for continuous-duty marine propulsion systems
  • Ideal replacement marine transmission for various vessel types

Specifications

  • Product Name: Advance 120C Marine Gearbox
  • Condition: New
  • Gear Reduction Ratio: 3.35:1
  • Type: Heavy Duty Marine Transmission
  • Application: Marine Propulsion
  • Operation: Forward / Neutral / Reverse
  • Construction: Heavy-duty marine-grade components

Ideal Applications

The Advance 120C Marine Gearbox 3.35:1 is suitable for:

  • Commercial fishing boats
  • Workboats
  • Tug boats
  • Passenger vessels
  • Inland waterway boats
  • Utility vessels
  • Recreational boats
  • Custom marine engine installations

Benefits

  • Delivers higher propeller torque for improved vessel performance
  • Enhances fuel efficiency through optimized gear reduction
  • Provides smooth and dependable shifting
  • Designed for continuous heavy-duty marine operation
  • Reduces engine load and improves propulsion efficiency
  • Built for maximum reliability and long-lasting durability

Why Choose the Advance 120C Marine Gearbox?

The Advance 120C Heavy Duty Marine Gearbox 3.35:1 Reduction is trusted by marine professionals for its rugged construction, efficient power transfer, and reliable operation. Its optimized 3.35:1 gear reduction ratio makes it an excellent choice for vessels requiring increased thrust, dependable propulsion, and efficient engine performance under demanding operating conditions.

Built to meet the needs of commercial and recreational marine users, this gearbox offers exceptional durability and performance, making it a reliable investment for your vessel.


Package Includes

  • 1 × NEW Advance 120C Heavy Duty Marine Gearbox
  • Ready for professional marine installation

SEO Meta Title (60 Characters)

NEW Advance 120C Marine Gearbox 3.35:1 Heavy Duty

SEO Meta Description (155 Characters)

Buy the NEW Advance 120C Heavy Duty Marine Gearbox with a 3.35:1 reduction ratio. Reliable marine transmission for commercial and recreational boats.

Focus Keyword

Advance 120C Heavy Duty Marine Gearbox 3.35:1 Reduction

SEO Keywords

Advance 120C Marine Gearbox, Advance 120C 3.35:1 Gearbox, Heavy Duty Marine Gearbox, Marine Transmission, Marine Reduction Gearbox, Advance Marine Transmission, Boat Gearbox, Commercial Marine Gearbox, Marine Propulsion Gearbox, Advance 120C Gearbox for Sale, Marine Engine Transmission, Heavy Duty Boat Transmission, New Marine Gearbox, 3.35:1 Marine Gearbox, Advance Marine Parts

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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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    • E-mail: sales@waveinboardmotors.com
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