CURT Adjustable Dual-Ball Channel Mount 2" Shank, 6" Drop — 2" & 2-5/16" Balls, Anti-Rattle

The CURT 45900 is a heavy-duty adjustable channel-style ball mount with dual trailer balls (2" and 2-5/16"), a 2"x2" shank, and up to 6" of drop or 5-1/4" of rise for versatile, secure towing.

If you tow different trailers or switch between loads often, the CURT 45900 eliminates the hassle of swapping mounts. Built from durable steel with a black carbide powder-coat finish, this channel mount gives two ball sizes, multiple height settings and a dual-pin anti-rattle system so you can match coupler heights and reduce noise without extra adapters.

How does the adjustable channel design simplify trailer leveling?

The sliding channel lets you change ball height quickly to get the trailer tongue level with your tow vehicle. Flip the shank and choose among several pin positions to raise the ball up to 5-1/4" or lower it as much as 6", so most trailers can be set level without extra hardware.

• Multiple mounting holes for precise height adjustments
• Flip-able 2"x2" shank for rise or drop configurations
• 11" or 12" effective shank lengths using two hitch pin holes

Which trailer balls and load ratings are included?

This mount comes with two permanently fitted trailer balls to cover common coupler sizes: a 2" ball and a 2-5/16" ball. Each ball has its own gross trailer weight rating to match typical towing demands, so you can tow light and heavy loads without changing hardware.

• 2" trailer ball rated to 10,000 lbs gross trailer weight
• 2-5/16" trailer ball rated to 14,000 lbs gross trailer weight
• Dual-ball layout removes need for separate ball mounts

What features reduce noise and improve durability on the road?

The channel-style body and dual-pin mounting system create a built-in anti-rattle connection that minimizes chucking and vibration. Heavy-gauge steel construction is finished in a black carbide powder coat to resist rust and everyday wear so the mount keeps working season after season.

• Channel and dual-pin system for reduced hitch noise
• Sturdy steel construction for long-term strength
• Black carbide powder-coat for corrosion and scratch resistance

Can I customize this mount for other towing setups?

The adjustable shank accepts CURT channel-style attachments, letting you swap in a pintle or custom ball platform if you need a non-standard ball size or a different connection. Two pin holes also let you choose between an 11" or 12" effective shank length to suit tongue clearance needs.

• Compatible with CURT channel-style pintle and platform attachments
• Two hitch pin holes for 11" or 12" shank positions
• Adjustable to accommodate a wide variety of trailer types

Who this is for: The CURT 45900 is designed for drivers who tow multiple trailers or frequently change loads — contractors, landscapers, boat owners and weekend haulers who need one reliable mount to cover several coupler sizes and heights. If you want a single, durable solution that reduces noise, offers flexible height settings and supports heavy trailers up to 14,000 lbs on the larger ball, this mount is a practical and long-lasting choice.

Patent protection: U.S. Patent Nos. 11,628,698 and 11,660,916.