8K Tandem Axle Trailer Kit – Complete 8,000 lb HD Trailer Kit with 17.5" Super Singles

Looking for a serious 8K tandem axle setup that’s ready to handle real work? This 8K Tandem Axle Trailer Kit from The Trailer Parts Outlet bundles everything you need into one complete package. No piecing parts together. No guessing on compatibility. Just order, install, and get your trailer on the road.

Built for medium-duty applications, this kit delivers strength, stability, and highway-ready performance.

• Pre-packaged tandem kit rated for 8,000 lb axles
• Includes axles, suspension, hardware, and 17.5" super single wheel assemblies
• 3.5" heavy-duty axle tubes for added strength
• 9/16" studs compatible with 17.5" wheels
• Designed for durability, smooth towing, and even tire wear

What’s Included in the 8K Tandem Axle Trailer Kit:

Axle & Suspension

• (2) 8K Brake Axles – 12 1/4" x 3 3/8" Brakes (3.5" Tube)
• (4) 4K 29.50" 6-Leaf Slipper Springs
• (2) 4K U-Bolt Kits
• (1) Slipper Tandem Hanger Kit

Wheels & Tires

• (4) 17.5" 215/75 R17.5 18-Ply Radial Steel TWA Super Singles – Silver/Gray Finish
• 8x6.5 Bolt Pattern
• 9/16" Wheel Studs

Common Uses:

This 8K tandem axle trailer kit is ideal for:

• Utility trailers
• Boat trailers
• Car haulers
• ATV trailers
• Lawn & landscape trailers
• Flatbed trailers
• Livestock trailers
• Cargo and enclosed trailers
• RV trailers
• Dump and lowboy trailers

Features & Benefits

• Axles come fully assembled
• Packed with high-temp axle grease
• Underslung design with spring seats welded on the bottom
• Allows for lower ride height
• EZ Lube design for simple maintenance
• Removable rubber plug on hub cap for easy grease access
• Grease fittings allow servicing without removing the hub
• High-strength straight steel axle tube construction
• Promotes even tire wear
• Smooth and stable highway performance
• OEM grade axles, suspension, and highway-rated tires

Note: This axle is not ABS compatible.

Fast Shipping & Custom Solutions

Every kit ships quickly so you can keep your build on schedule. Each bundle is packaged to ensure proper running gear fitment and dependable performance.

Need a custom setup? Call our trailer parts experts at (936) 289-3191 and we’ll help you spec the right axle configuration for your trailer.

8K Tandem Axle Trailer Kit – Complete 8,000 lb HD Trailer Kit with 17.5" Super Singles

Looking for a serious 8K tandem axle setup that’s ready to handle real work? This 8K Tandem Axle Trailer Kit from The Trailer Parts Outlet bundles everything you need into one complete package. No piecing parts together. No guessing on compatibility. Just order, install, and get your trailer on the road.

Built for medium-duty applications, this kit delivers strength, stability, and highway-ready performance.

• Pre-packaged tandem kit rated for 8,000 lb axles
• Includes axles, suspension, hardware, and 17.5" super single wheel assemblies
• 3.5" heavy-duty axle tubes for added strength
• 9/16" studs compatible with 17.5" wheels
• Designed for durability, smooth towing, and even tire wear

What’s Included in the 8K Tandem Axle Trailer Kit:

Axle & Suspension

• (2) 8K Brake Axles – 12 1/4" x 3 3/8" Brakes (3.5" Tube)
• (4) 4K 29.50" 6-Leaf Slipper Springs
• (2) 4K U-Bolt Kits
• (1) Slipper Tandem Hanger Kit

Wheels & Tires

• (4) 17.5" 215/75 R17.5 18-Ply Radial Steel TWA Super Singles – Silver/Gray Finish
• 8x6.5 Bolt Pattern
• 9/16" Wheel Studs

Common Uses:

This 8K tandem axle trailer kit is ideal for:

• Utility trailers
• Boat trailers
• Car haulers
• ATV trailers
• Lawn & landscape trailers
• Flatbed trailers
• Livestock trailers
• Cargo and enclosed trailers
• RV trailers
• Dump and lowboy trailers

Features & Benefits

• Axles come fully assembled
• Packed with high-temp axle grease
• Underslung design with spring seats welded on the bottom
• Allows for lower ride height
• EZ Lube design for simple maintenance
• Removable rubber plug on hub cap for easy grease access
• Grease fittings allow servicing without removing the hub
• High-strength straight steel axle tube construction
• Promotes even tire wear
• Smooth and stable highway performance
• OEM grade axles, suspension, and highway-rated tires

Note: This axle is not ABS compatible.

Fast Shipping & Custom Solutions

Every kit ships quickly so you can keep your build on schedule. Each bundle is packaged to ensure proper running gear fitment and dependable performance.

Need a custom setup? Call our trailer parts experts at (936) 289-3191 and we’ll help you spec the right axle configuration for your trailer.

8K Tandem Axle Trailer Kit – Complete 8,000 lb HD Trailer Kit with 17.5" Super Singles

Looking for a serious 8K tandem axle setup that’s ready to handle real work? This 8K Tandem Axle Trailer Kit from The Trailer Parts Outlet bundles everything you need into one complete package. No piecing parts together. No guessing on compatibility. Just order, install, and get your trailer on the road.

Built for medium-duty applications, this kit delivers strength, stability, and highway-ready performance.

• Pre-packaged tandem kit rated for 8,000 lb axles
• Includes axles, suspension, hardware, and 17.5" super single wheel assemblies
• 3.5" heavy-duty axle tubes for added strength
• 9/16" studs compatible with 17.5" wheels
• Designed for durability, smooth towing, and even tire wear

What’s Included in the 8K Tandem Axle Trailer Kit:

Axle & Suspension

• (2) 8K Brake Axles – 12 1/4" x 3 3/8" Brakes (3.5" Tube)
• (4) 4K 29.50" 6-Leaf Slipper Springs
• (2) 4K U-Bolt Kits
• (1) Slipper Tandem Hanger Kit

Wheels & Tires

• (4) 17.5" 215/75 R17.5 18-Ply Radial Steel TWA Super Singles – Silver/Gray Finish
• 8x6.5 Bolt Pattern
• 9/16" Wheel Studs

Common Uses:

This 8K tandem axle trailer kit is ideal for:

• Utility trailers
• Boat trailers
• Car haulers
• ATV trailers
• Lawn & landscape trailers
• Flatbed trailers
• Livestock trailers
• Cargo and enclosed trailers
• RV trailers
• Dump and lowboy trailers

Features & Benefits

• Axles come fully assembled
• Packed with high-temp axle grease
• Underslung design with spring seats welded on the bottom
• Allows for lower ride height
• EZ Lube design for simple maintenance
• Removable rubber plug on hub cap for easy grease access
• Grease fittings allow servicing without removing the hub
• High-strength straight steel axle tube construction
• Promotes even tire wear
• Smooth and stable highway performance
• OEM grade axles, suspension, and highway-rated tires

Note: This axle is not ABS compatible.

Fast Shipping & Custom Solutions

Every kit ships quickly so you can keep your build on schedule. Each bundle is packaged to ensure proper running gear fitment and dependable performance.

Need a custom setup? Call our trailer parts experts at (936) 289-3191 and we’ll help you spec the right axle configuration for your trailer.