Best 6×16 Tandem Axle Trailer Kits and Accessories for Do-It-Yourselfers
Choosing the right 6×16 tandem axle setup involves balancing payload capacity, frame construction, and upgrade options. This guide highlights practical 6×16 trailer kits and suspension components that help DIY builders and small businesses assemble or upgrade a tandem-axle trailer. Each entry includes essential specs, use cases, and how it fits into common 6×16 configurations.
Summary Table of Selected Products
| Product | Brand | Key Specs |
|---|---|---|
| 1216-6’6″ x 16′ Tandem Axle 7K Utility Lowboy Trailer DIY Master Plan | The Trailer Parts Outlet | Box 16’x6’6″, 7000 lbs capacity, 1800 lbs empty weight |
| The Trailer Parts Outlet – 1216-6’6″ x 16′ Tandem Axle 7K Utility Lowboy Trailer DIY Master Plan Kit | The Trailer Parts Outlet | Box 16’x6’6″, 7000 lbs capacity, 1800 lbs empty weight |
| LIBRA 6000# 6K Tandem Trailer Axle Suspension Kit | LIBRA | 3,000 lbs per spring, for 5,200-6,000 lbs axles |
| LIBRA 7000# 7k Tandem Trailer Axle Suspension Kit | LIBRA | 3,500 lbs per spring, for 7,000 lbs axles |
| LIBRA 16 x 6 Trailer Wheels 8 Lug | LIBRA | 16 x 6, 8 Lug, silver mod wheel |
1216-6’6″ x 16′ Tandem Axle 7K Utility Lowboy Trailer DIY Master Plan
The 1216-6’6″ x 16′ tandem axle project provides a complete blueprint-driven lowboy concept designed for DIY builders and classroom learning. With a 7000 lb gross capacity and a lightweight 1800 lb empty weight, this package relies on an angle steel frame with 14″ rails and a wood deck. The project includes engineer-approved and stamped blueprints sized 24″ x 36″, making it suitable for technical education settings, hobbyists, and professional shops pursuing a customizable lowboy trailer build.
Key features include a sturdy frame, practical deck material, and detailed plans that guide assembly. The kit’s engineering certification supports compliance in educational contexts and for projects requiring formal documentation. The combination of a robust lowboy design and the included blueprints helps ensure a reliable platform for transporting heavy loads with stability and control.
The Trailer Parts Outlet Kit: 16’x6’6″ 7K Utility Lowboy Trailer DIY Master Plan
This kit mirrors the size and capacity of the first entry but clarifies that it is a complete trailer kit excluding certain components. Specifications list a 16’x6’6″ box, 7000 lb gross capacity, and 1800 lb empty weight with an angle steel frame and wood deck. It emphasizes the same educational and DIY-friendly features, including a detailed blueprint package. The kit is suitable for users who want a structured, plan-driven approach to building a tandem-axle lowboy trailer for light industrial tasks, equipment transport, or farm use.
LIBRA 6000# Tandem Trailer Axle Suspension Kit
This suspension kit is designed for tandem trailer axles with a 5,200–6,000 lb range. It uses 3,000 lb per spring capacity and includes a complete set of U-bolts, tie plates, and shackle hardware. The eye-to-eye length is 25-1/4″, with a 3″ free open. The kit suits mid-range tandem configurations and provides a straightforward path to upgrading or replacing leaf spring suspension on older trailers, including 6K axles. It focuses on durability, ease of installation, and compatibility with standard 1-3/4″ leaf springs.
LIBRA 6000# Dual-Spring Tandem Axle Suspension Kit
This Libra kit targets tandem axles with two 3,000 lb leaf springs, sized for standard 5,200–6,000 lb trailers. It includes complete twin-spring assemblies and an installation set with multiple components. The eye-to-eye measurement remains 25-1/4″ with a 3″ open and a 1-3/4″ leaf width. The kit provides a comprehensive solution for upgrading or replacing a tandem axle suspension on a 6×16 trailer, delivering balanced load distribution and straightforward mounting hardware.
LIBRA 7000# 7k Tandem Trailer Axle Suspension Kit
Designed for heavier tandem axle needs, this LIBRA kit achieves a 3,500 lb per spring rating and suits 7,000 lb axles. It includes a 25-1/4″ eye-to-eye length, a 3″ free open, and a 1-3/4″ leaf width with six leaves. The kit provides the necessary U-bolt kit for 3″ diameter axles and a set of tie plates and nuts. This option is well-suited for builders upgrading to higher payload capacity on a 6×16 trailer, focusing on stability, road handling, and reliable spring performance under demanding loads.
LIBRA 16 x 6 Trailer Wheels Set
This LIBRA wheel set features 16×6 wheels with an 8-lug, 6.5″ bolt pattern in a silver mod finish. The wheels are designed to fit standard tandem trailer configurations, offering a compatible aesthetic and robust mounting for a 6×16 trailer. These wheels are a practical upgrade or replacement option, contributing to overall load stability and even tire wear when paired with compatible tires and hubs.
Black 16×6 Trailer Rim Wheel 6 Lug
The YDDVEHI 16×6 black trailer rim is engineered for universal use across boat trailers, utility trailers, and cargo trailers with a 6×5.5 bolt pattern. The design emphasizes an offset configuration that aligns with wheel hubs and improves stability. A 4.3″ center bore helps ensure hub-centric mounting for smoother highway performance. This rim is suitable for 6×16 tandem trailer assemblies where wheel compatibility and alignment matter for safety and efficiency.
Buying Guide: Key Purchase Considerations For 6×16 Tandem Trailers
- Trailer class and payload: Confirm gross vehicle weight rating (GVWR) and axle capacity to match planned loads. A 6×16 tandem setup commonly targets mid-to-high payload needs, so ensure the frame, deck, and axles align with intended use.
- Frame and deck construction: Angle steel frames with reinforced rails and weather-resistant decking provide durability. Wood decks are common but may require maintenance; consider treated plywood or steel options for longer life.
- Suspension options: Leaf springs vs. torsion or hybrid suspensions affect ride quality, load distribution, and maintenance. For heavy-duty 7K or 6K axles, select compatible springs and U-bolts to match axle dimensions.
- Wheel and axle compatibility: Verify wheel bolt patterns, center bore, and axle hub sizes. Sixteen-inch wheels with 8-lug patterns are typical for tandem trailers, offering ample load distribution.
- Blueprints and engineering certification: For educational settings or formal shop projects, stamped blueprints provide compliance and guidance. This is especially valuable for school programs and DIY plans requiring documentation.
- Upgrade paths: When buying a kit, consider whether you want a complete trailer kit or modular components (axle kits, wheels, and suspension) to tailor your build or upgrade existing trailers.
- Material and finish: Corrosion resistance and environmental exposure matter. Look for coated components and rust inhibitors on hardware and rails for longevity in varied climates.
- Safety and regulatory alignment: Ensure components meet local code requirements for trailers used on public roads, including lighting, braking, and weight distribution.
In sum, the 6×16 tandem axle space supports a range of configurations from DIY lowboy builds to upgraded suspension kits. The selections above balance capacity, ease of assembly, and practical education value with a focus on reliability and upgrade potential. When choosing, align the kit or components with your load plans, vehicle compatibility, and desired service life.