• English
    • Deutsch
    • French
    • Requires WPML plugin
  • Country
    • United States (USD)
    • Deutschland (EUR)
    • Japan (JPY)
FREE SHIPPING FOR ALL ORDERS OF $150
  • Newsletter
  • Contact Us
  • FAQs
Select category
  • Select category
  • 150 – 300+ HP (High Power)
  • 2.5 – 15 HP (Portable)
  • 20 – 115 HP (Mid-Range)
  • Chassis & Suspension
    • Suspension Components
  • Engines
    • Crate Engines
      • 5.7 Hemi Engines for Sale | 395 HP Chrysler 5.7 Hemi Engine 2026
      • ls engines for sale
  • Evinrude Outboard
    • Evinrude 105 HP Outboards
    • Evinrude 115 HP Outboards
    • Evinrude 135 HP Outboards
    • Evinrude 15 HP Outboards
    • Evinrude 25 HP Outboards
    • Evinrude 3.5 HP Outboards
    • Evinrude 30 HP Outboards
    • Evinrude 40 HP
    • Evinrude 40 HP Outboards
    • Evinrude 50 HP Outboards
    • Evinrude 6 HP Outboards
    • Evinrude 60 HP Outboards
    • Evinrude 75 HP Outboards
    • Evinrude 9.8 HP Outboards
    • Evinrude 90 HP
    • Evinrude 90 HP Outboards
  • Evinrude Outboard Motors: Legacy, Power & E-TEC Technology
  • Generators
    • Commercial Generators
    • Generator Transfer Switch
    • RV Generators
    • Standby Generators
  • Generators, Marine Generators
  • Honda Outboard Motors
    • 200 HP Honda Outboards
    • 250 HP Honda Outboards
    • Honda 100 HP Outboards
    • Honda 115 HP Outboards
    • Honda 135 HP Outboards
    • Honda 15 HP Outboards
    • Honda 150 HP Outboards
    • Honda 2.3 HP
    • Honda 2.3 HP Outboards
    • Honda 20 HP Outboards
    • Honda 200 HP Outboards
    • Honda 225 HP Outboards
    • Honda 25 HP Outboards
    • Honda 250 HP
    • Honda 250 HP Outboards
    • Honda 30 HP Outboards
    • Honda 40 HP Outboards
    • Honda 5 HP Outboards
    • Honda 50 HP Outboards
    • Honda 60 HP Outboards
    • Honda 75 HP Outboards
    • Honda 8 HP Outboards
    • Honda 9.9 HP
    • Honda 9.9 HP Outboards
    • Honda Outboards 2023
  • Inboard engines 1000hp +
  • Inboard engines 200 – 300 hp
  • Inboard Engines 300 – 400hp
  • Inboard engines 400 – 500hp
  • Inboard engines 50 – 100 hp
  • Inboard engines 500 – 700hp
  • Inboard Engines 700 – 1000hp
  • Keel Cooled Engines
  • Manta5 Hydrofoil Bike
  • Marine gearbox
  • Marine Inboard engines 10 – 50 hp
  • Marine Inboard engines 100- 200 hp
  • Marine Inboard engines 200 – 300 hp
  • Mercury 30 HP Outboards
  • Mercury Outboard Motors
    • 200 HP Mercury Outboards
    • 2023 Mercury 350 HP Outboards
    • 25 HP Mercury Outboards
    • 250 HP Mercury Outboards
    • 300 HP Mercury Outboards
    • 350 HP Mercury Outboards
    • 5 HP Mercury Outboards
    • 50 HP Mercury Outboards
    • 6 HP Mercury Outboards
    • 8 HP Mercury Outboards
    • 9.9 HP Mercury Outboards
    • Mercury 15 HP Outboards
    • Mercury 2.5 HP Outboards
    • Mercury 20 HP Outboards
    • Mercury 200 HP Outboards
    • Mercury 225 HP Outboards
    • Mercury 25 HP Outboards
    • Mercury 250 Outboards
    • Mercury 3.5 HP Outboards
    • Mercury 300 HP Outboards
    • Mercury 35 HP Outboards
    • Mercury 350 HP Outboards
    • Mercury 4 HP Outboards
    • Mercury 40 HP Outboards
    • Mercury Outboards 2023
  • Nissan Outboard Motors
  • Outboard Motor
  • Parts & Accessories
  • Suzuki Outboard Motors
    • 100 HP Suzuki Outboard Motors
    • 175 HP Suzuki Outboards
    • 200 HP Suzuki Outboards
    • 250 HP Suzuki Outboards
    • 300 HP Suzuki Outboards
    • 350 HP Suzuki Outboards
    • 4 HP Suzuki Outboards
    • 40 HP Suzuki Outboards
    • 50 HP Suzuki Outboards
    • 6 HP Suzuki Outboards
    • 60 HP Suzuki Outboard
    • 60 HP Suzuki Outboards
    • 70 HP Suzuki Outboard
    • 9.9 HP Suzuki Outboard
    • 90 HP Suzuki Outboard
    • Suzuki 115 HP Outboard
    • Suzuki 140 HP Outboards
    • Suzuki 15 HP Outboards
    • Suzuki 150 HP Outboards
    • Suzuki 175 HP Outboards
    • Suzuki 2.5 HP Outboards
    • Suzuki 20 HP Outboards
    • Suzuki 200 HP Outboard
    • Suzuki 225 HP Outboard
    • Suzuki 225 HP Outboards
    • Suzuki 25 HP Outboards
    • Suzuki 250 HP Outboard
    • Suzuki 30 HP Outboards
    • Suzuki 300 HP Outboards
    • Suzuki 350 HP Outboards
    • Suzuki 60 HP Outboard
    • Suzuki 90 HP Outboard
    • Suzuki Outboards 2023
  • Tohatsu Outboard Motors
  • Tohatsu Outboards 2023
  • Used Boat Engines
  • Used Outboard Engines
  • Yamaha Outboard Motors
    • 175 HP Yamaha Outboards
    • 200 HP Yamaha Outboards
    • 350 HP Yamaha Outboards
    • Yamaha 15 HP Outboards
    • Yamaha 2.5 HP Outboards
    • Yamaha 30 HP Outboards
    • Yamaha 4 HP Outboard
    • Yamaha 40 HP Outboards
    • Yamaha 425 HP Outboard
    • Yamaha 50 HP Outboards
    • Yamaha 6 HP Outboards
    • Yamaha 60 HP Outboards
    • Yamaha 70 HP Outboards
    • Yamaha 75 HP Outboards
    • Yamaha 8 HP Outboard
    • Yamaha 9.9 HP Outboards
    • Yamaha 90 HP Outboard
    • Yamaha 90 HP Outboards
Login / Register
Wishlist
0 Compare
0 items $0.00
Menu
0 items $0.00
Browse Categories
  • Parts & Accessories
    • FURNITURE
      • Small Sofas
      • Armchairs
      • Easy Chairs
      • Lounge Chairs
      • Day Beds
    • KITCHEN
      • Kitchen Worktops
      • Cooking Accessories
      • Kitchen Appliances
      • Cookware and Bakeware
      • Kitchen Textiles
    • BATHROOM
      • Washbasins
      • Towel Racks
      • Soap Dishes
      • Bathtub Taps
      • Accessible Showers
    • OUTDOOR
      • Garden Tables
      • Paving Blocks
      • Outdoor Chairs
      • Parasol Bases
      • Vertical trellises

    SUMMER STYLE

    • Yamaha F300UCB2  300 HP Outboard Motor $17,969.00
    • Yamaha VF250XB V MAX SHO 250 HP Outboard Motor $14,934.00
    • Yamaha VF250LB V MAX SHO 250 HP Outboard Motor $14,696.00
    • Yamaha VF225LB V MAX SHO 225 HP Outboard Motor $13,566.00
  • Home
  • SHOP OUTBOARDS
    • New Outboards
      • Evinrude Outboard
      • Honda Outboard Motors
      • Mercury Outboard Motors
      • Nissan Outboard Motors
      • Suzuki Outboard Motors
      • Tohatsu Outboard Motors
      • Yamaha Outboard Motors
    • Used Outboard Engines
    • Shop by HP
      • 2.5 – 15 HP (Portable)
        • Evinrude 15 HP Outboards
        • Evinrude 3.5 HP Outboards
        • 4 HP Suzuki Outboards
        • 6 HP Suzuki Outboards
        • 9.9 HP Suzuki Outboard
        • 5 HP Mercury Outboards
        • 8 HP Mercury Outboards
        • 9.9 HP Mercury Outboards
        • Honda 2.3 HP
        • Honda 5 HP Outboards
        • Honda 8 HP Outboards
        • Honda 9.9 HP
        • Mercury 15 HP Outboards
        • Mercury 2.5 HP Outboards
        • Mercury 3.5 HP Outboards
        • Mercury 4 HP Outboards
        • Suzuki 2.5 HP Outboards
        • Yamaha 15 HP Outboards
        • Yamaha 2.5 HP Outboards
        • Yamaha 4 HP Outboard
        • Yamaha 8 HP Outboard
        • Yamaha 9.9 HP Outboards
      • 20 – 115 HP (Mid-Range)
        • 100 HP Suzuki Outboard Motors
        • 40 HP Suzuki Outboards
        • 60 HP Suzuki Outboard
        • 60 HP Suzuki Outboards
        • 70 HP Suzuki Outboard
        • 90 HP Suzuki Outboard
        • 25 HP Mercury Outboards
        • 50 HP Mercury Outboards
        • Evinrude 105 HP Outboards
        • Evinrude 115 HP Outboards
        • Evinrude 25 HP Outboards
        • Evinrude 30 HP Outboards
        • Evinrude 40 HP
        • Evinrude 50 HP Outboards
        • Evinrude 60 HP Outboards
        • Evinrude 75 HP Outboards
        • Evinrude 90 HP
      • 150 – 300+ HP (High Power)
        • 175 HP Suzuki Outboards
        • 200 HP Suzuki Outboards
        • 250 HP Suzuki Outboards
        • 300 HP Suzuki Outboards
        • 350 HP Suzuki Outboards
        • 200 HP Yamaha Outboards
        • 350 HP Yamaha Outboards
        • 200 HP Honda Outboards
        • 250 HP Honda Outboards
        • 200 HP Mercury Outboards
  • OUTBOARD SERVICES
    • Service Request Form
    • Schedule a Service Appointment
    • Electrical System Repair
    • Fuel System Cleaning
    • Propeller Repair/Replacement
    • Lower Unit Service
    • Summerization
    • Winterization
    • Diagnostics & Repairs
    • Maintenance & Tune-Ups
  • CUSTOMER CORNER
    • Order History
    • Track My Shipment
    • Warranty Registration
    • Warranty Lookup
    • Register My Product
    • Request Support Ticket
    • FAQ – Outboard Buying Guide
    • Owner’s Manuals (Downloads)
    • Parts Lookup by Model
    • Maintenance Schedule by Model
    • Newsletter Signup
  • FINANCING
    • Apply for Financing
    • Calculate My Payment
    • Financing Options
    • Frequently Asked Questions (Financing)
    • Contact Financing Department
  • LEGAL
    • Privacy Policy
    • Terms & Conditions
    • Shipping Policy
    • Warranty Policy
    • Cookie Policy
    • Accessibility Statement
    • DMCA Notice
    • Do Not Sell My Info (CCPA)
  • REQUEST FORMS
    • Service Appointment Request
    • Financing Pre-Approval Request
    • Product Inquiry / Quote Request
    • Trade-In Evaluation Request
    • Bulk Order / Fleet Inquiry
    • Technical Support Request
    • Parts Request Form
    • General Contact Form
-99%
Click to enlarge
Home Marine gearbox NEW Advance 300 Heavy Duty Marine Gearbox 1.87:1 Reduction
NEW Advance 120C Heavy Duty Marine Gearbox 3.35:1 Reduction
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.
Back to products
NEW Advance 300 Heavy Duty Marine Gearbox 2.04:1 Reduction
NEW Advance 300 Heavy Duty Marine Gearbox 2.04:1 Reduction $15,288.00 Original price was: $15,288.00.$12,400.00Current price is: $12,400.00.

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.

The Advance 300 Heavy Duty Marine Gearbox 1.87:1 Reduction is trusted by marine professionals for its robust construction, dependable performance, and efficient power transmission. Designed to handle demanding workloads, this gearbox offers the reliability needed for commercial and recreational marine applications while helping maximize engine efficiency and propeller performance.

Compare
Add to wishlist
Category: Marine gearbox
Share:
  • Description
  • Reviews (0)
  • Shipping & Delivery
Description

The NEW Advance 300 Heavy Duty Marine Gearbox 1.87:1 Reduction is a high-performance marine transmission designed to deliver reliable power transfer, exceptional durability, and smooth operation for demanding marine applications. Engineered for commercial vessels, fishing boats, workboats, passenger boats, and recreational craft, the Advance 300 marine gearbox is built to provide dependable performance even under continuous heavy-duty use.

Featuring a 1.87:1 reduction ratio, this marine gearbox efficiently converts engine power into increased propeller torque, improving vessel performance, fuel efficiency, and maneuverability. Manufactured with precision-engineered components and heavy-duty marine-grade materials, the Advance 300 is designed to withstand harsh marine environments while offering long service life and low maintenance requirements.

Whether you’re replacing an existing marine transmission or equipping a new vessel, the Advance 300 Heavy Duty Marine Gearbox is a trusted solution for reliable marine propulsion.


Key Features

  • Brand New Advance 300 Heavy Duty Marine Gearbox
  • 1.87:1 reduction ratio for efficient power transmission
  • Heavy-duty construction for demanding marine applications
  • Smooth forward, neutral, and reverse shifting
  • High torque capacity for commercial and industrial vessels
  • Durable marine-grade construction for long-lasting performance
  • Corrosion-resistant components for harsh marine environments
  • Low maintenance and reliable continuous operation
  • Precision-engineered for maximum efficiency and durability

Specifications

  • Product Name: Advance 300 Marine Gearbox
  • Condition: New
  • Reduction Ratio: 1.87:1
  • Type: Heavy Duty Marine Transmission
  • Application: Marine Propulsion
  • Operation: Forward / Neutral / Reverse
  • Construction: Heavy-duty marine-grade components

Ideal Applications

The Advance 300 Marine Gearbox 1.87:1 is ideal for:

  • Commercial fishing boats
  • Workboats
  • Tug boats
  • Passenger vessels
  • Cargo boats
  • Inland waterway vessels
  • Recreational boats
  • Marine engine repower projects
  • Custom marine propulsion systems

Benefits

  • Improves propeller efficiency and vessel performance
  • Delivers increased torque for reliable propulsion
  • Enhances fuel economy through optimized gear reduction
  • Reduces engine stress during continuous operation
  • Provides smooth and dependable shifting
  • Built for long-lasting service in demanding marine conditions

Why Choose the Advance 300 Marine Gearbox?

The Advance 300 Heavy Duty Marine Gearbox 1.87:1 Reduction is trusted by marine professionals for its robust construction, dependable performance, and efficient power transmission. Designed to handle demanding workloads, this gearbox offers the reliability needed for commercial and recreational marine applications while helping maximize engine efficiency and propeller performance.

Its precision engineering, durable construction, and optimized gear reduction make it an excellent choice for operators seeking a high-quality marine transmission built for long-term service.

Reviews (0)

Reviews

There are no reviews yet.

Be the first to review “NEW Advance 300 Heavy Duty Marine Gearbox 1.87:1 Reduction” Cancel reply

Your email address will not be published. Required fields are marked *

Shipping & Delivery

Related products

-99%
Compare

NEW Advance 120C Heavy Duty Marine Gearbox 1.48:1 Reduction

Marine gearbox
$850,000.00 Original price was: $850,000.00.$7,200.00Current price is: $7,200.00.
Buy the NEW Advance 120C Heavy Duty Marine Gearbox with a 1.48:1 reduction ratio. Reliable marine transmission for commercial and recreational boats with smooth, efficient power transfer.
Add to wishlist
Add to cart
Quick view
-15%
Compare

NEW Advance 120C Heavy Duty Marine Gearbox 3.35:1 Reduction

Marine gearbox
$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.
Add to wishlist
Add to cart
Quick view
-15%
Compare

NEW Advance HC138 Heavy Duty Marine Gearbox – 3.00:1 Reduction Ratio

Marine gearbox
$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.
Add to wishlist
Add to cart
Quick view
-15%
Compare

NEW Advance HC138 Heavy Duty Marine Gearbox 4.05:1 Reduction

Marine gearbox
$11,000.00 Original price was: $11,000.00.$9,300.00Current price is: $9,300.00.
Built with reliability and performance in mind, the NEW Advance HC138 Heavy Duty Marine Gearbox delivers dependable transmission performance for marine propulsion systems. Its optimized reduction ratio improves vessel handling, enhances torque delivery, and supports efficient operation in demanding conditions.
Add to wishlist
Add to cart
Quick view
-18%
Compare

NEW Advance HC400 Heavy Duty Marine Gearbox 3.00:1 Reduction

Marine gearbox
$23,128.00 Original price was: $23,128.00.$19,000.00Current price is: $19,000.00.
The NEW Advance HC400 Heavy Duty Marine Gearbox combines strength, reliability, and efficient performance to meet the needs of professional marine operators. Its optimized 3.00:1 reduction ratio helps improve torque delivery, reduce propulsion strain, and provide smoother vessel operation in challenging conditions.
Add to wishlist
Add to cart
Quick view
-17%
Compare

NEW Advance HC400 Heavy Duty Marine Gearbox 3.25:1 Reduction

Marine gearbox
$23,124.00 Original price was: $23,124.00.$19,300.00Current price is: $19,300.00.
The NEW Advance HC400 Marine Gearbox 3.25:1 Reduction delivers the reliability and performance required for professional marine operations. Its higher reduction ratio provides increased propeller torque, smoother acceleration, and better propulsion efficiency, making it suitable for vessels operating with heavy loads or requiring dependable low-speed control.
Add to wishlist
Add to cart
Quick view
-16%
Compare

NEW Advance HC400 Heavy Duty Marine Gearbox 3.25:1 Reduction

Marine gearbox
$23,124.00 Original price was: $23,124.00.$19,500.00Current price is: $19,500.00.
The NEW Advance HC400 Marine Gearbox 3.25:1 Reduction delivers dependable performance for vessels requiring enhanced torque and efficient propulsion control. Its heavy-duty design helps ensure reliable operation during long working hours, while its optimized gear reduction supports smoother acceleration and improved vessel handling.
Add to wishlist
Add to cart
Quick view
-25%
Compare

NEW Advance HCD1000 Heavy Duty Marine Gearbox 3.96:1 Reduction

Marine gearbox
$53,118.00 Original price was: $53,118.00.$40,000.00Current price is: $40,000.00.
Choose the NEW Advance HCD1000 Heavy Duty Marine Gearbox 3.96:1 Reduction for reliable torque delivery, efficient power transmission, and superior performance in demanding marine applications.
Add to wishlist
Add to cart
Quick view

    Free Shipping.

    No one rejects, dislikes.

    24/7 Support.

    It has survived not only.

    Online Payment.

    All the Lorem Ipsum on.

    Fast Delivery.

    Many desktop page now.

    • OUR STORES
      • Evinrude Outboard
      • Honda Outboard Motors
      • Mercury Outboard Motors
      • Suzuki Outboard Motors
      • Tohatsu Outboard Motors
      • Yamaha Outboard Motors
    • Company
      • Our Story
      • Customer Reviews
      • Blog / Buying Guides
      • Help Desk
      • FAQs
      • Terms & Conditions
    • OUTBOARD SERVICES
      • Service Request Form
      • Electrical System Repair
      • Fuel System Cleaning
      • Summerization
      • Winterization
      • Diagnostics & Repairs
    • Quick Links
      • Privacy Policy
      • Returns
      • Shipping Policy
      • Cookie Policy
      • Quote Request
      • Parts Request Form

    AVAILABLE ON:

    📍  4901 Central Ave
    Richmond, CA 94804

    📞 (510) 470-7899

    ✉ support@waveoutboardriders.com

    Will be used in accordance with our Privacy Policy

    Payment System:

    Shipping System:

    Our Social Links:

    Based on WoodMart theme 2026 WooCommerce Themes.
    • Menu
    • Categories
    • Parts & Accessories
    • Home
    • Shop
    • Blog
    • About us
    • Contact us
    • Wishlist
    • Compare
    • Login / Register
    Shopping cart
    Close
    Sign in
    Close

    Lost your password?

    No account yet?

    Create an Account
    Shop
    Wishlist
    0 items Cart
    My account
    WhatsApp
    Hello 👋, welcome to Wave Outboard Riders
    Can we help you?
    Open Chat
    Powered by Joinchat