THE DIFFERENCE IN THE TWO MEASUREMENTS IS THE AMOUNT OF BALL MOUNT “RISE” OR “DROP” REQUIRED. There's the diameter of the ball itself (the distance around the center of the ball), the shank's diameter, the shank's length, and the size of the circular piece of metal between the ball and shank. Measure from the ground to the (inside) top of the trailer coupler, when level. First of all, you have to measure the hitch height. Every ball mount has a … Receiver height as measured: Two detent designs possible-- Buna seal, considered cheaper, but low heat, versus metal spring, more expensive. ball installation using hydraulic press. Also known as a trailer ball or coupler ball, the trailer ball attaches to the ball mount and comes in many sizes. All U-Haul trailers can be towed using either a 1-7/8″ or 2″ ball. Determining Trailer Hitch Ball Sizes Ball Diameter: Check the top of the trailer coupler for the size of the ball diameter required. In general lighter trailers use smaller hitch balls. Step 2 – Measurement B: With the trailer level you’ll need to measure from the ground to the bottom of the coupler. The ball mount you insert into your hitch receiver needs to be the correct size. CURT 45430 Industrial Duty Forged Trailer Hitch Ball Mount, Fits 3-Inch Receiver, 21,000 lbs, 1-1/4-Inch Hole, 4-Inch Drop, 2-Inch Rise 4.8 out of 5 stars 43 $66.97 $ 66 . After knowing the diameter (try to measure the precise one) of the mounting hole, the ball shank diameter can be chosen of the same size as well. The difference between the two measurements will determine the size of drop or rise needed. Step 2: Level trailer, then measure from the ground to the top of the trailer coupler. Subtract the height of the hitch ball (most are 2-1/2" to 3" high) from coupler measurement. Ball Diameter (A): Check the top of the trailer coupler for the size of the ball diameter required. It is especially important to understand that you can (sort of) get away with using an undersized ball. Drop the trailer jack and level the tongue with a bubble level. 4.7 out of 5 stars 113. Step 1 is getting it home. As to the "hitch", there are several parts. Take the height of the hitch from Step 1 and subtract from it the height of the coupler from Step 2. AC-DK Tri Balls Tow Hitch with Hook-2 inches Trailer Hitch Receiver with Tow Hook Hollow Shank Tow Hitch,Black&Chrome (Ball Size:1-7/8 inch,2 inch and 2-5/16 inch) for Pickup Truck Tow Hitch Receiver. For over 75 years we … The 90-00-0400 Equal-i-zer hitch offers a 400 lb. I know it is generally best to measure but if I was wanting a ball mount what would the best universal one be--in regards to size of drop? Measure to the frame on the front & back of the trailer and use the tongue jack to raise or lower it until the measurements at both ends are the same, and the trailer is sitting parallel to the ground. 97 When choosing the proper ball, always be sure to have the correct ball diameter and choose a ball that exceds the trailer couplers maximum capacity. The example would be 18" minus 3" = 15". Subtract the height of your trailer hitch ball from the coupler. Hitch Height (A) – Coupler Height (B) = Drop (C) If your coupler height is greater, use a ball mount with a rise. Measure the difference Subtract the height of the trailer coupler from the height of the receiver. Hitch ball size Hi there, Just bought a 2019 Imagine 2400BH. Consult with experts if the answers here are not good enough. Step 1: Measure from the ground to the top of the hitch. Level the trailer. 3. Popular ball sizes are 1 7/8 inch, 2 inch, and 2 5/16 inch. Thanks! Measure from the ground to the top of the socket where the hitch ball fits into the coupler. This length determines how much clearance is available between the vehicle and the trailer. Sep 07 2010, 2:22pm. 05-27-2018, 07:36 AM #2. 2. Re: What size ball mount tow hitch for Silverado ... What size ball mount tow hitch for Silverado. Step 1: Measure from the ground to the top of the hitch.Step 2: Level trailer, then measure from the ground to the top of the trailer coupler.Step 3: Subtract the height of the hitch ball (most are 2-1/2" to 3" high) from Step 2. In the US there are three standard ones: 1 7/8 inches. Recreational and light commercial hitch balls come in a variety of sizes including 1 7/8″, 2″, 2 5/16″ and occasionaly 3″. Trailer hitch balls have a external thread shank, round top pivot ball, lock washer and nut. If your hitch height is greater than your coupler height, you’ll need a ball mount with a drop. maximum tongue weight and a 4,000 lb. The information I find says either a 2" or 2 5/16". The only thing you need to pay attention to is weight capacity. 2 5/16 inches. We get the recurring questions: “What size drop hitch should I buy?” One major component for our adjustable ball mounts is the draw bar, which is the L-shaped portion of the hitch.The shank is the portion that fits into the receiver of your tow vehicle and has a hole to secure it in place. That coupler will have the size ball required stamped onto the coupler. The hitch ball is sold separately. Next, park the vehicle on level ground and measure from the ground to the bottom of the inside of the receiver tube (Figure B & C), then take that measurement and apply it to the information in this chart. Most common seem to be 2 inches and 3 1/4 I think. Any idea what size hitch ball I need? For this, you have to … The most common sizes are 3/4", 1" and 1 1/4". Last but not least, be aware that your hitch height and receiver height may already be properly configured: it is exceptionally rare, but it does happen. Hitch Ball. Hitch Shank Sizes. The included shank comes with a 3" drop and an 7" rise, measures 12" long, and fits 2" trailer hitch receivers. The first thing you need is the correct ball size. The only tool you’ll need a tape measure. The size is usually stamped there. selecting the right hitch ball Selecting the right hitch ball is a must for trouble-free towing. Sizes include 1-7/8”, 2”, 2-5/16”, and 3” (in rare cases). Hello Jack, A Weight Distribution system will take trailer ball with an 1-1/4" shank diameter . 6% coupon applied at checkout Save 6% with coupon. Step 3 – How to find the difference: If your hitch height is greater, use a ball mount with a drop. Measure from the ground to the (inside) top of the trailer coupler, when level. How to determine or measure the length of the ball mount? Considering how many different trailers a company like U-Haul has to offer, you would think getting the right hitch ball size and weight capacity would be pretty tricky. Ball sizes and shank diameter determine TC towing capacity. The example would be 18" minus 3" = 15". 2½” receivers are common on heavy duty trucks. As you can see, this particular truck would require our 4″ drop with a 2″ shank. Sometimes when you measure the difference in height between the hitch and receiver, you come up with a significant difference in height. Probably 2 inches, but it may be 2 5/16 inches. 2 inches. 99. The shank size of your trailer ball is the diameter of the mounting hole on the ball mount. The 3” receiver tube is the least common hitch size and is used for extremely heavy duty trucks. In this example, the measurement form the ground to the top of the trailer coupler is 18 inches. Low lateral torque, so generally lighter duty. $54.99 $ 54. As Sequim Guy noted, look at the coupler on the front of the trailer tongue. Natfuel1. Subtract the height of the hitch ball (most are 2-1/2” - 3” high) from coupler measurement. The 2.5” receiver tube is the most common Class 5 receiver size and can be found on most ¾-ton pickups manufactured after 2008 (ex: F-250, Chevy & Ram 2500) and most full-ton pickups manufactured after 2008 (ex: F-350, Chevy & Ram 3500+). This difference is the amount of drop you need in your ball mount. If you are needing to pull more than 8,000 lbs, then a 2 and 5/16″ ball is needed, but if you need to pull 7,000 lbs, you could go with either a 2″ ball or a 2 and 5/16″ ball. The size of ball needed really depends on the weight of the load you are planning on towing. The trailer couple will mount and lock into place over the ball. How to Measure - Where do I Start? Recreational and light commercial hitch balls come in a variety of sizes including 1-7/8″, 2″, 2-5/16″ and occasionaly 3″. Step Two: Compensating For Rise/Drop of Ball Mounts. Compare this calculated difference in height to the size of … Nominal Diameter x Length from Beneath Head to End of Pin Used in applications where frequent reusability or adjustment is needed. The coupler is the part on the trailer that fits over the ball. Measuring for the Proper Ball Mount Measure from the ground to the top of the hitch. The common diameters of ball mounts are 3/4", 1", and 1-1/4", however, you can find balls in other sizes as well. BENT PIN Hitch Pin. 2” receivers are common on SUVs and light-duty trucks. 4. The size of the trailer ball depends on your coupler. 3. Please click on our Trailer Ball category, and use the filter to select the correct trailer ball. Measuring the Hitch Height. View Profile View Forum Posts View Blog Entries View Articles Setting Up … Measure your hitch receiver. Generally, hitch ball thread shank diameters are 3/4 inch for class 1 and 2. An 8” drop is needed to make the trailer level. 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