6000 lb Tandem Axle Kit (12K Capacity) 95/80 – Rolling Kit
Build or upgrade a heavy-duty tandem axle trailer with this complete 12,000 lb rolling kit. Designed around two 6,000 lb electric brake axles with a 95″ hub face / 80″ spring center, this package brings together the major running gear, suspension, towing, and body components needed for a strong and dependable trailer build.
With electric brakes on both axles, 225 tires, tandem fenders, a 2-5/16″ coupler, and a heavy-duty 12K drop-leg jack, this kit is well suited for equipment trailers, construction trailers, farm trailers, heavy utility trailers, and other demanding tandem axle applications.
What’s Included
- (2) 6,000 lb Electric Brake Axles – 95″ Hub Face / 80″ Spring Center
- Double Eye Leaf Springs
- U-Bolt Mounting Hardware
- (1) Tandem Axle Hanger Kit
- (2) Smooth Rolled Tandem Axle Fenders
- (2) Tandem Fender Backs
- (4) 225 Trailer Tires & Wheels
- (24) Lug Nuts
- (2) 1/4″ x 30″ Grade 70 Safety Chains with 12,600 lb Forged Hooks
- (2) Chain Retainers
- (1) 2-5/16″ Trailer Coupler
- (1) 12,000 lb Drop-Leg Trailer Jack
Axle Specifications
| Specification | Details |
|---|---|
| Combined Axle Capacity | 12,000 lbs |
| Individual Axle Capacity | 6,000 lbs Each |
| Axle Configuration | Tandem Axle |
| Axle Type | Electric Brake |
| Number of Braking Axles | 2 |
| Hub Face | 95″ |
| Spring Center | 80″ |
| Tire Size | 225 |
| Lug Nuts | 24 Total |
| Suspension | Double Eye Leaf Spring |
| Coupler Size | 2-5/16″ |
| Jack | 12K Drop-Leg |
| Kit Type | Complete Rolling Kit |
Features & Benefits
Complete 12K Tandem Axle Package
This kit combines many of the major components needed for a heavy-duty tandem axle trailer build into one convenient package, reducing the hassle of sourcing individual parts.
12,000 lb Combined Axle Capacity
Two 6,000 lb axles provide a combined axle capacity of 12,000 lbs, making this setup a strong choice for trailers designed to handle heavier loads and demanding applications.
Electric Brakes on Both Axles
Both axles are equipped with electric brakes, providing increased braking performance and improved stopping control when connected to a properly equipped tow vehicle and trailer brake controller.
95/80 Axle Configuration
Both axles feature a 95-inch hub face and 80-inch spring center, allowing you to easily verify fitment before installation.
Complete Tandem Suspension System
The included springs, U-bolt mounting hardware, and tandem axle hanger kit provide the core suspension components needed to mount and support both axles.
Four 225 Tires & Wheels
Four 225 trailer tire and wheel assemblies are included along with 24 lug nuts, giving you the wheel package required for the complete tandem axle setup.
Smooth Rolled Tandem Fenders
Two smooth rolled tandem axle fenders and matching fender backs provide proper tire coverage while giving the finished trailer a clean, professional appearance.
Heavy-Duty 2-5/16″ Coupler
A 2-5/16″ trailer coupler is included to match the heavier-duty capacity and intended use of this tandem axle package.
12K Drop-Leg Jack
The included 12,000 lb drop-leg jack provides strong trailer tongue support and makes raising, lowering, and positioning heavier trailers easier.
Heavy-Duty Grade 70 Safety Chains
Two 1/4″ x 30″ Grade 70 safety chains with 12,600 lb forged hooks and matching chain retainers provide dependable secondary trailer-to-tow-vehicle attachment.
Common Applications
- Equipment Trailers
- Heavy-Duty Utility Trailers
- Construction Trailers
- Farm & Agricultural Trailers
- Machinery Trailers
- Landscape Trailers
- Skid Steer Trailers
- Tractor Trailers
- Heavy Cargo Trailers
- Custom Tandem Axle Builds
- Trailer Repairs & Rebuilds
Why Buy a Complete Tandem Rolling Kit?
A heavy-duty tandem axle trailer requires numerous components that must work together correctly. This rolling kit simplifies the build process by combining the axles, suspension, tires, fenders, coupler, jack, safety chains, and related hardware into one package.
Whether you’re starting a new trailer build or replacing worn-out running gear, this kit provides a solid foundation for a dependable 12K tandem axle setup.
Important Fitment Information
Please verify all trailer measurements and component requirements before ordering.
- Hub Face: 95″
- Spring Center: 80″
- Individual Axle Capacity: 6,000 lbs
- Combined Axle Capacity: 12,000 lbs
- Axle Setup: 2 Electric Brake Axles
- Tire Size: 225
- Coupler Size: 2-5/16″
- Jack: 12,000 lb Drop-Leg
The 12,000 lb combined axle rating does not automatically mean the completed trailer is rated for 12,000 lbs of payload. Final trailer capacity is determined by the lowest-rated component in the complete trailer assembly, including the frame, suspension, tires, wheels, coupler, brakes, safety chains, and other components.
Need help confirming fitment or selecting the correct tandem axle kit? Contact Highway 96 Trailers and our team can help you choose the right setup.








