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CURT Manufacturing Trailer Balls
Getting out on the road sooner means making sure you are equipped with the tools you need to tow safely and comfortably. Regardless of your destination, CURT carries a wide variety of trailer balls to meet your needs.
Even the simplest part of your trailer hitch system can make the difference between successful towing and "just good enough". A trailer ball that is precisely fitted to your trailer coupler and made with quality materials makes that difference. CURT trailer balls are engineered to have the highest quality for consistency, accuracy, strength and fit. They have a quality finish with coarse or fine threads to provide smooth installation and superior holding strength. All CURT trailer balls meet U.S. VESC specifications and are tested for your safety. They are available in nickel-chrome, stainless steel or raw finishes.
Vehicle Accessories carries a complete line of CURT Manufacturing trailer balls. Stop by any of our locations in Flint, Bay City, Clarkston and Lansing or call us Toll Free at 1-866-820-2119 for pricing and availability. If you don't see a product that you were looking for, please give us a call so that we may assist you.
How to Choose a Ball Mount and Trailer Ball - CURT
CURT WARRANTYWarranty InformationCURT Manufacturing, LLC (CURT) warrants to the original purchaser (Purchaser), its products to be free from defect under normal use and service, ordinary wear and tear excepted, for the warranty period stated below, from the date of the original retail purchase, but subject to the limitations as set forth below. Limitation on WarrantyCURT’s obligation under the above warranty is limited to repair or replacement of the CURT Product (Product), at its option due to a manufacturing defect of the Product. CURT shall not be liable for the loss of or use of vehicles, loss of or damage to personal property, expenses such as telephone, lodging, gasoline, towing, tire damage or any other incidental or consequential damages incurred by the Purchaser, or any other person or entity. CURT will examine the returned Product. If CURT, in its exclusive discretion, determines that the defect or damaged Product is covered under this limited warranty, CURT will repair the Product or replace it at that time. Alterations to or misuse of the Product will void the warranty. For example, overloading or exceeding an automobile or trailer manufacturers’ weight ratings, or maneuvering motor vehicles equipped with Products at improper rate of speed, shall void the warranty on any of the Products. Failure to properly maintain and regularly inspect the Product according to the specific instruction sheet accompanying each Product shall also void the warranty. Some states do not allow the exclusion or limitation of incidental or consequential damages. If such exclusions or limitations are prohibited under the applicable law, the above limitation or exclusion may not apply. This Warranty gives you specific legal rights and you may also have other rights, which vary from state to state. The Purchaser, when returning a CURT Product, must observe the following steps: - The Purchaser must have proof of purchase of any damaged Product and supply the same to the headquarters of CURT. The Purchaser must obtain from CURT (toll free number is 877-CURTMFG (877.287.8634)) a Returned Goods Authorization (RGA) number in order to return any damaged Product to CURT for inspection and evaluation under this Limited Warranty.
- The Purchaser must pay all handling charges and shipping costs to deliver Products to CURT and must send the damaged Product along with the RGA number and proof of purchase to CURT at 6208 Industrial Drive, Eau Claire, Wisconsin 54701.
- Upon receipt of damaged Product, CURT will determine whether the damaged Product is covered under the Limited Warranty. If it is, CURT will repair or replace the Product. If the Product is replaced, the Product that is originally returned by the Purchaser shall become the exclusive property of CURT. If the returned Product is not covered under the Limited Warranty, CURT will notify the Purchaser before taking any further action with regard to repair or replacement, which would be at the Purchaser’s cost.
Products covered under the CURT Manufacturing, LLC limited warranty and term of warranties:- Trailer Hitches and Ball Mounts - Limited Lifetime
- E16 5th Wheel Hitch - Five Years Limited
- R16 5th Wheel Roller - Five Years Limited
- Q16 5th Wheel Hitch - Limited Lifetime
- Q20 5th Wheel Hitch - Ten Years Limited
- R20 5th Wheel Roller - Ten Years Limited
- Q24 5th Wheel Hitch - Ten Years Limited
- R24 5th Wheel Roller - Ten Years Limited
- OEM Compatible 5th Wheel Legs - Limited Lifetime
- Trailer Couplers - Three Years Limited
- Double Lock EZr Gooseneck - Limited Lifetime
- Chrysler / RAM Gooseneck Hitch - Limited Lifetime
- All Other Gooseneck Hitches – Seven Years Limited
- Intergrated Sway Control - Ten Years Limited
- Wiring and Electrical - One Year Limited
- TriFlex Brake Controller - Limited Lifetime
- Reflex Brake Controller - Limited Lifetime
- Discovery Brake Controller - Limited Lifetime
- Venturer Brake Controller - Limited Lifetime
- All Other Accessories - One Year Limited
CURT Manufacturing Technical Support Line 800.798.0813CURT Manufacturing is here to help you with any questions regarding the following: Hitch installation • Product orientation • Trouble-shooting Our knowledgeable staff is available Monday through Friday 8:00am - 7:00pm CST If you wish to place an order, or have questions about your account, call 877.CURT.MFG for our customer service department.
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Features
  
SELECTING A TRAILER BALL
There are many factors that go into determining the correct trailer hitch ball for your ball mount and trailer. There is no standard trailer ball size that fits every application. A trailer ball must be strong enough for the load you are towing, and it must fit your specific towing setup. When selecting a trailer ball, you must consider platform thickness, hole size, coupler size and weight rating.
Platform Thickness
The ball mount platform is the tab or bracket on a ball mount that the trailer ball mounts onto using the threaded shank and nut. As a rule, the mounting platform on the ball mount must be at least 3/8 IN thick in order to be deemed safe for towing.
Hole Size
A trailer ball is mounted onto a ball mount by sliding the shank into the hole in the ball mount platform. The shank diameter must always match the diameter of the platform hole. The hole cannot be more than 1/16 IN larger than the diameter of the threaded shank or the trailer will not tow properly.
Coupler Size
The coupler, or tongue, is the front-most portion of the trailer that rests on the trailer ball. It is imperative that you know your coupler size before purchasing a trailer ball because the size of the trailer ball must match the size of the coupler. Without a proper fit, it is not safe to tow. Trailer couplers are not all the same size. The coupler size will typically be stamped right on the coupler itself.
Weight Rating
Different trailer hitch balls are designed to handle different amounts of weight. In general, a trailer ball with a larger ball diameter will be able to handle more weight than one with a smaller ball diameter. When deciding which trailer ball will best serve your needs, it is important to know how much weight you will be towing. The trailer ball must be capable of towing the gross trailer weight. Trailer balls with 1 7/8 IN diameters range in capacity from 2,000 to 3,500 lbs. 2 IN diameter trailer balls range from 3,500 to 10,000 lbs. 2 5/16 IN trailer balls can be anywhere from 6,000 to 30,000 lbs, and 3 IN diameter trailer balls max out 30,000 lbs. Check for a weight rating on the specific trailer ball you choose before making a purchase.
TORQUE SPECS
An important part of towing safety is making sure your trailer ball is securely mounted to your ball mount. Simply turning the nut until it seems tight is not a smart solution. Unless you purchase a ball mount with a fixed trailer ball, such as on Euro Mounts or Fusion ball mount, the trailer ball needs to be tightened to a certain torque setting in order to prevent the nut from vibrating loose. For each trailer ball shank diameter there is a different torque specification required. The diagram above provides a list of trailer ball torque specs based on shank diameter. When installing or switching between trailer balls, use a torque wrench to administer the proper amount of torque on the nut.
SWITCH BALLS
More than likely, you own more than one trailer. Just because you can tow your boat trailer, utility trailer and popup camper all on the same vehicle does not mean they all fit onto the same trailer ball. It can be a hassle to switch back and forth between ball mounts to accommodate multiple trailers. For this common problem, CURT offers the Switch Ball trailer ball. Made with premium grade, nickel-chrome-plated steel, the CURT Switch Ball is a trailer ball shank that accepts different size trailer balls with a simple twist-on action. The exclusive J-groove design of the Switch Ball ensures a secure system without the need for tools or pins. The weight of the trailer rests on the shank, taking stress away from the ball and freeing the coupler from friction and binding. Though Switch Ball trailer balls only have a weight capacity from 3,500 up to 8,000 lbs depending on the ball diameter, they are incredibly useful for changing between couplers on small to mid-size trailers.
CURT carries a number of accessories to go along with our trailer balls. We offer rubber trailer ball covers to help protect your trailer ball from the elements when not towing, reducer bushings to provide an easy way to reduce the size of a ball mount hole to fit a smaller trailer ball shank, and replacement parts such as nuts and washers in case these parts are lost or stolen. With so many trailer ball options to choose from, it is no wonder that CURT is your go-to supplier for all things towing.
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