Adjustable Tandem Axle

First Load™ Aluminum Boat Trailers

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Tandem Axle Aluminum Boat Trailers for Reliable Transport

A tandem axle aluminum boat trailer is designed to provide dependable support and transport for larger, heavier boats. Featuring two axles instead of one, these trailers distribute weight more evenly, helping improve stability on the road while creating a smoother towing experience. Whether you’re transporting a fishing boat, center console, or larger recreational vessel, a tandem axle setup offers the added strength and confidence needed for longer hauls and heavier loads.

Built with durable aluminum construction, Rocket Marine Inc.™ tandem axle aluminum boat trailers are engineered to withstand demanding marine environments. Aluminum’s natural corrosion resistance helps protect against rust and saltwater exposure, making it an ideal choice for boat owners who want long-lasting performance with minimal maintenance.

As a step up from single axle trailers, tandem axle models provide increased load capacity, enhanced support, and improved handling during transport. Below, explore the standard equipment and features that make our tandem axle aluminum boat trailers a trusted choice for boaters. Learn more about Rocket Marine Inc.™.

The time-tested quality of our First Load™ platform

Standard Equipment:

  • Aluminum I-Beam Construction

  • Adjustable Hull Supports

  • Keel Centering Guide

  • Posi-Lube Lubrication

  • Guide Poles

  • Aluminum Diamond Plate Fenders

  • Galvanized Wheels, Hubs, and Torsion Axles

  • Radial Tires

  • Adjustable Bow Stop & Winch Stand

  • Tongue Jack, Disc Brakes on All Wheels

  • LED Tail Lights, Side Markers

  • Stainless Hardware

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Specifications:

    • Part No.: 140028

    • Boat Length: 17'-19'

    • Frame: 64"/18'

    • I-Beam: 5.5"x18'

    • Gross Weight: 5,400 lbs

    • Trailer Weight: 800 lbs

    • Load Capacity: 4,200 lbs

    • Tire Size: R13C

    • Part No.: 140065

    • Boat Length: 18'-20'

    • Frame: 80"/25'

    • I-Beam: 5.5"x20'

    • Gross Weight: 7,000 lbs

    • Trailer Weight: 800 lbs

    • Load Capacity: 6,200 lbs

    • Tire Size: R14C

    • Part No.: 140105

    • Boat Length: 20'-22'

    • Frame: 80"/27'

    • I-Beam: 5.5"x22'

    • Gross Weight: 7,000 lbs

    • Trailer Weight: 1,000 lbs

    • Load Capacity: 6,000 lbs

    • Tire Size: R14C

    • Part No.: 140120

    • Boat Length: 22'-24'

    • Frame: 80"/28'

    • I-Beam: 5.5"x23'

    • Gross Weight: 7,000 lbs

    • Trailer Weight: 1,100 lbs

    • Load Capacity: 5,900 lbs

    • Tire Size: R14C

    • Part No.: 140130

    • Boat Length: 22'-24'

    • Frame: 80"/28'

    • I-Beam: 5.5"x23'

    • Gross Weight: 10,000 lbs

    • Trailer Weight: 1,200 lbs

    • Load Capacity: 8,800 lbs

    • Tire Size: R15D

    • Part No.: 140140

    • Boat Length: 24'-26'

    • Frame: 80"/30'

    • I-Beam: 6.5"x25'

    • Gross Weight: 7,000 lbs

    • Trailer Weight: 1,100 lbs

    • Load Capacity: 5,900 lbs

    • Tire Size: R14C

    • Part No.: 140160

    • Boat Length: 24'-26'

    • Frame: 80"/30'

    • I-Beam: 6.5"x25'

    • Gross Weight: 10,000 lbs

    • Trailer Weight: 1,280 lbs

    • Load Capacity: 8,720 lbs

    • Tire Size: R15D

    • Part No.: 140190

    • Boat Length: 26'-28'

    • Frame: 80"/32'

    • I-Beam: 6.5"x27'

    • Gross Weight: 10,000 lbs

    • Trailer Weight: 1,280 lbs

    • Load Capacity: 8,720 lbs

    • Tire Size: R15D

    • Part No.: 140230

    • Boat Length: 28'-30'

    • Frame: 80"/35'

    • I-Beam: 6.5"x30'

    • Gross Weight: 10,000 lbs

    • Trailer Weight: 1,340 lbs

    • Load Capacity: 8,660 lbs

    • Tire Size: R15D

    • Part No.: 140250

    • Boat Length: 28'-30'

    • Frame: 80"/35'

    • I-Beam: 6.5"x30'

    • Gross Weight: 12,000 lbs

    • Trailer Weight: 2,200 lbs

    • Load Capacity: 9,800 lbs

    • Tire Size: R16E

    • Part No.: 1407200

    • Boat Length: 30'-32'

    • Frame: 80"/37'

    • I-Beam: 7.5"x32'

    • Gross Weight: 12,000 lbs

    • Trailer Weight: 2,200 lbs

    • Load Capacity: 9,800 lbs

    • Tire Size: R16E

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Frequently Asked Questions About Tandem Axle Aluminum Boat Trailers

  • A tandem axle aluminum boat trailer is a trailer designed with two axles to support heavier boats and improve stability during transport. The dual-axle setup distributes weight more evenly, while the aluminum frame provides corrosion resistance and long-term durability.

  • Tandem axle aluminum boat trailers offer improved stability, higher weight capacity, and smoother towing compared to single axle trailers. They are especially useful for larger boats and longer trips, providing better control and reduced strain on the trailer and vehicle.

  • Tandem axle trailers are ideal for larger boats such as center consoles, offshore fishing boats, and other heavier vessels. If your boat exceeds the capacity of a single axle trailer, a tandem axle aluminum boat trailer provides the added support needed for safe transport.

  • Yes. Tandem axle aluminum boat trailers are well-suited for long-distance towing. The additional axle improves weight distribution and stability, helping reduce trailer sway and providing a smoother ride over longer distances. 

  • Aluminum tandem axle trailers are often preferred for their corrosion resistance, lighter weight, and lower maintenance requirements. While steel trailers can be strong and cost-effective, aluminum trailers are ideal for boat owners who frequently use their trailers in saltwater environments.