Product Description
Upgrade your trailer with the Carter 7K tandem axle idler kit, the ultimate solution for hassle-free installation and upgrades. This kit features double eye leaf springs, making it simple to upgrade from smaller axles (3.5K, 5.2K, or 6K) without cutting or welding new suspension hangers. It’s a complete package with fully assembled idler axles, suspension components, and more. Perfect for boat, utility, and landscape trailers, this kit is designed for strength, durability, and ease of use. Plus, we offer fast shipping to commercial addresses so you can get back on the road without delay.
Complete Axle Replacement Kit Includes:
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(2) 7,000 lb Idler Axles: Extra heavy-duty ⅜” thick axle tubes with 9/16” studs.
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(4) 6-Leaf Double Eye Springs: 25-1/4" long x 1-3/4" wide leaf springs for heavy-duty support.
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(2) U-Bolt Kits: One kit per axle for secure installation.
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(1) Optional Tandem Hanger Kit: Includes all weld-on hangers, spring bolts, equalizers, and equalizer bolts required for installation.
Trailer Axle Specifications:
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Capacity per axle: 7,000 lbs
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Bolt Pattern: 8 on 6.5” (8x6.5”)
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Stud Size: 9/16”
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Axle Tube: Round 3” outer diameter, ⅜” thick, powder-coated black
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Spring Pads: Pre-welded unless "pads loose" option is selected (welding available for an additional cost)
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Bearings: Inner - 25580, Outer - 1415A
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Seal: 10-36
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Spindles: Fast Lube EZ Lube grease spindles
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Assembly: Fully assembled
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Pre-Wired Axle: Pre-wired for future brake installation
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Brake Flange: 5-bolt brake flange for easy brake addition
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Powder coated black
- Forged Aluminum Heavy duty Ez lube Grease caps.
Leaf Spring Specifications:
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Part Number: TPU-223
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Length: 25-1/4” from center eye to center eye
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Capacity: 3,500 lbs per spring
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Width: 1-3/4”
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Leaf Count: 6
U-Bolt Kit Specifications:
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Kit Covers: One axle
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Includes:
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4 U-bolts & nuts
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2 Tie plates
Hanger Kit Specifications:
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Part Number: APT5
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Designed For Use On: Trailers with tandem 3.5K to 7K axles.
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Includes:
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(6) 3-1/4" tall hangers
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(2) 7-3/4" long curved equalizers
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(8) 2-5/8" long shackle straps
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(14) 3" long x 9/16" diameter shackle bolts
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(14) 9/16" diameter locknuts
Key Features:
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14,000 lbs GVWR Capacity: Built to handle heavy loads with confidence.
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Pre-Wired Axles: Simplifies the process if you decide to add brakes in the future.
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5-Bolt Brake Flange Pre-Welded: Makes it easy to add brakes to the axle if needed.
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Pre-Packaged Kit: Ensures perfect fitment of running gear with no guesswork.
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OEM Grade Components: High-strength steel axles and suspension for reliability and longevity.
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Fully Assembled Axles: Arrive ready for immediate installation.
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EZ Lube Design: Grease your hubs easily with a removable rubber plug.
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Heavy-Duty 9/16” Studs: Compatible with 16" and 17.5" wheels for versatile use.
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Powder-Coated Axle Tubes: Provides excellent corrosion resistance for long-term performance.
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Drop-In Replacement: Works seamlessly with existing double eye springs on 3.5K, 5.2K, and 6K trailers, eliminating the need for welding new hangers.
Why Choose Trailer Parts Unlimited?
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Expert Guidance: Our experienced team helps you find the right solution for your trailer needs.
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Wide Selection: Access a vast inventory of high-quality trailer parts and accessories.
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Competitive Pricing: Affordable options without sacrificing quality.
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Guaranteed Satisfaction: Enjoy peace of mind with our hassle-free return policy.
Applications:
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Medium Duty Trailers
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Utility, Boat, Car Haulers
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ATV, Lawn & Landscape, Flatbed Trailers
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Livestock, Cargo, Enclosed, RV Trailers
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Dump, Lowboy, and Flatbed Trailers
Don’t Let Trailer Issues Hold You Back!
Enhance your trailer with the Carter 7K Tandem Idler Axle Kit from Trailer Parts Unlimited. Simplify upgrades, improve performance, and enjoy superior quality and durability. Order today and experience the difference in performance and reliability!
How to measure your trailer axle
