Product Details
Universal Class 4 4" Drop / 2-3/4" Rise Gloss Black Powder Coat Ball Mount for 2" Receivers (45311) by CURT®. Shank Length: 9-3/8". Hollow Shank. Weight Capacity: 10000 lbs GTW / 1000 lbs TW. Ball Hole: 1-1/4". When you demand more from your towing equipment, CURT heavy-duty ball mounts answer the call. For towing those especially heavy loads and bulky trailers, you need a ball mount that knows how to handle itself when the going gets tough. Heavy-duty ball mounts are constructed from quality steel and feature a 2" x 2" shank.
Specifications
Tongue Weight(TW): 1000 lbs |
Gross Trailer Weight(GTW): 10000 lbs |
Ball Hole: 1-1/4" |
Finish: Gloss Black Powder Coat |
Rise: 2-3/4" |
Drop: 4" |
Receiver Tube Size: 2" |
Material: Steel |
Color: Black |
Features
![Precisely welded for a perfect fit and function](https://ic.carid.com/curt/info/precisely-welded-for-a-perfect-fit-and-function_0.jpg)
Precisely welded for a perfect fit and function
CURT hitches are welded using manual and robotic processes for speed and precision.
![Subjected to industry-leading safety and performance testing](https://ic.carid.com/curt/info/subjected-to-industry-leading-safety-and-performance-testing_0.jpg)
Subjected to industry-leading safety and performance testing
Each CURT hitch design undergoes stringent testing according to SAE J684 specifications to ensure safety and dependability with every mile.
![Open-back receiver for easy cleaning](https://ic.carid.com/curt/info/open-back-receiver-for-easy-cleaning_0.jpg)
Open-back receiver for easy cleaning
All CURT custom receiver hitches have open ends on the front and rear of the receiver tube. This makes it easy to keep the hitch receiver clean, even if dirt and debris find their way inside
![Tested in-house for safety](https://ic.carid.com/curt/info/tested-in-house-for-safety_0.jpg)
Tested in-house for safety
With a dedicated engineering facility, located in the heart of the automotive industry, each CURT hitch is rigorously tested to SAE J684. This ensures the safety and reliability of each hitch design.
![Comes with a limited lifetime warranty (one-year finish, one-year parts)](https://ic.carid.com/curt/info/warranty-limited-lifetime_0.jpg)
Comes with a limited lifetime warranty (one-year finish, one-year parts)
CURT products are backed by a limited lifetime warranty coverage against defects in factory workmanship and materials and a one-year warranty on finish and parts.
They are built to complement CURT class 4 trailer hitches and are perfect for towing large boat trailers, RVs, livestock and horse trailers as well as a variety of other farm and industrial-type trailers. With a few different drop height options and the ability to flip for optional rise, CURT heavy-duty ball mounts are built to work as hard as you do, from sunup to sundown.
A forged ball mount is an excellent choice for hauling all kinds of heavy trailers. Whatever type of load you are towing - livestock, industrial equipment, construction materials - these class 5 ball mounts help you complete the job. Use a forged ball mount to tow large utility trailers, livestock and cattle trailers, toy haulers, RVs and large boat trailers. CURT forged ball mounts are engineered to be a perfect counterpart to the CURT class 5 Xtra-Duty trailer hitch, making them the ball mount of choice for full-size pickup trucks and SUVs.
CURT manufacturing is one of the premier trailer hitch and towing accessories suppliers in the industry. It produces everything you may need: hitch pins to hold the ball mount to the receiver, clips to hold in the pins, safety chains, tongue jacks, sway controls, equalizing hitches, tail light conversion controllers, tongue jacks, wheel chocks, the list goes on. Towing a trailer isn’t like driving car; the extra weight means you have to be prepared for many contingencies. CURT makes products that are calculated to make it easier to hook up your trailer, make it tow more easily and more safely, and keep you at ease while doing so.
CURT® Manufacturing has been a leader and innovator in the trailering industry since 1993. CURT markets a broad range of trailer hitches, towing systems and related accessories. CURT is "The First Name in Towing Products" for automobile and truck hitches, as well as RV and commercial towing systems. Products are marketed through retailers, distributors, installers, and e-tailers across the U.S. and Canada. CURT employs almost 350 associates, primarily at its manufacturing and headquarters in Eau Claire, Wisconsin. CURT operates 10 regional warehouses, each carrying over 2,500 items and has been twice named a Wisconsin "Manufacturer of the Year".