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We know our products
Quality Products
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Trailer hitch weight ratings are limited to vehicle manufacturer's stated capacities
Weld-on trailer hitches are not recommended for any electric vehicle (EV) applications
Adjustable side plates come detached from the main body of the hitch and must be welded on
Warranty: Limited Lifetime Warranty (One-Year Finish, One-Year Parts)
Main Body Shape: Square
Receiver Tube Size (Inches): 2 IN
Finish: CARBIDE BLACK POWDER COAT
WC / TW (Pounds): 1,500 LB
WC Tongue Weight (Pounds): 1,500 LB
Gross Trailer Weight (Pounds): 15,000 LB
Installation Time Exact (Minutes): 0
CURT weld on trailer hitch receivers offer a high-capacity, ready-to-work towing solution for your full-size truck or SUV. They are ideal for large pickup trucks, dually trucks, diesel trucks, service vehicles, flatbeds, chassis cab trucks and much more. These weldable hitches are constructed from high-strength steel and come with a standard receiver tube to accept a ball mount shank, tow hook, winch mount or other heavy-duty accessories. This CURT weld on receiver hitch features a 2-inch receiver with an 11-1/2-inch drop. It fits frames anywhere from 18 inches wide to 60 inches wide. The side plates ship unattached from the center section, allowing for a flexible, adjustable installation and a custom fit. No installation hardware required! This welded universal hitch is also rated as a class 5 hitch, being fully tested to SAE J684 specifications for a gross trailer weight capacity of 15,000 pounds and a tongue weight capacity of up to 1,500 pounds. To protect this weld on receiver hitch from corrosion, it comes shielded with a co-cured finish of liquid A-coat and durable black powder coat. NOTE: Side plates do not come pre-welded.
CURT offers a variety of high-quality trailer hitches and accessories for select vehicle models. Find the perfect fit for your towing needs at TowUniverse.
CURT, a Lippert brand, offers a complete line of towing products and is the leading manufacturer of custom-fit trailer hitches. We offer the broadest selection of custom-fit hitches, and each one is designed, welded, and coated in Wisconsin.
CURT is also a leader in flat towing products, as well as 5th wheel, gooseneck, and weight distribution hitches, ball mounts, electrical components, cargo solutions, and other towing accessories.
For everything from passenger cars and vans to full-size pickups and SUVs, CURT is 'The First Name in Towing Products®.'
Experts available to answer your questions
Call 888-634-9494Rediscover "Us" Time | Tested. Proven. Safe. Towing Products
The Curt 15903 is a universal weld-on receiver hitch designed for weight-carrying towing. It consists of a main body and side plates that are welded to the vehicle frame. The hitch has a gross load capacity of 15,000 lbs trailer weight and 1,500 lbs tongue weight when used as a weight-carrying hitch.
The Curt 15903 is described as a universal weld-on receiver hitch, but the manual does not specify which vehicles it fits or any exclusions. You should verify fitment with Curt Manufacturing before purchase by calling technical support at 1-877-287-8634.
The Curt 15903 has a gross load capacity of 15,000 lbs trailer weight and 1,500 lbs tongue weight. However, you must not exceed your vehicle manufacturer's recommended towing capacity. Check your vehicle's owner manual or specifications to confirm the hitch is suitable for your intended use.
The manual specifies that welding equipment is required and states that 2–3 people are recommended for installation. The manual does not list other specific tools. Contact Curt Manufacturing technical support at 1-877-287-8634 for a complete tool list.
Yes. You must clean the surface of the frame in weld locations down to bare metal. If metal surfaces are not completely bare, the weld will not achieve the required strength and may void the warranty.
Slide the side plates onto the main body and raise them into position to be welded. Secure and clamp the side plates to the frame in position, ensuring the main body is centered between the side plates before welding.
Weld the side plates to the frame of the vehicle and main body to AWS welding standards. The manual does not provide detailed AWS specifications; consult AWS standards documentation or a qualified welder.
Yes. After welding the side plates to the frame and main body, you may trim off any excess main body beyond the side plates as desired.
The main body is 11.500 inches long. The side plates are 0.25 inches thick. The maximum overall length is 60.88 inches and the minimum is 18.00 inches. The mounting hole depth is 3.220 inches.
Periodically check the receiver hitch to ensure that all fasteners are tight and that all structural components are sound. The manual does not specify a maintenance schedule or retorque interval; contact technical support at 1-877-287-8634 for detailed maintenance guidance.
Curt Manufacturing warrants the product to be free of defects in material and workmanship at the time of retail purchase by the original purchaser. If defective, Curt may repair or replace the product at their option when returned prepaid with proof of purchase. Alteration, misuse, or improper installation voids the warranty.
The Curt 15903 is a universal weld-on hitch. Verify fitment and that your vehicle's towing capacity is at least 15,000 lbs trailer weight and 1,500 lbs tongue weight. Call Curt technical support at 1-877-287-8634 to confirm compatibility.
Yes. Welding is required. The side plates must be welded to the vehicle frame and main body to AWS welding standards. 2–3 people are recommended for installation.
Yes. Clean the frame surface in weld locations down to bare metal. If surfaces are not completely bare, the weld will not achieve required strength and may void the warranty.
The Curt 15903 has a gross load capacity of 15,000 lbs trailer weight and 1,500 lbs tongue weight. Do not exceed your vehicle manufacturer's recommended towing capacity.
Periodically check that all fasteners are tight and all structural components are sound. The manual does not specify a retorque interval; contact technical support for maintenance details.
| Part # | GTW | Receiver Tube Size | Main Body Width | Main Body Tube | Side Plate Drop | Drop | Max Width | Min Width | Finish |
|---|---|---|---|---|---|---|---|---|---|
| 15901 | 15,000 lbs. | 2" | 45" | 4" x 4" | 9-1/2" | 3-1/8" | 43" | 18" | Carbide black |
| 15902 | 15,000 lbs. | 2" | 45" | 4" x 4" | 18" | 11-1/2" | 43" | 18" | Carbide black |
| 15903 | 15,000 lbs. | 2" | 62" | 4" x 4" | 18" | 11-1/2" | 60" | 18" | Carbide black |
| 15920 | 16,000 lbs. | 2" | 44" | 3-1/2" x 3-1/2" | Not included | -- | -- | -- | Gloss black |
| 15927 | 16,000 lbs. | 2" | 44" | 3-1/2" x 3-1/2" | 9" | 3 1/8" | 42" | 18" | Gloss black |
| 15928 | 16,000 lbs. | 2" | 44" | 3-1/2" x 3-1/2" | 18" | 11-1/2" | 42" | 18" | Gloss black |
| 15921 | 16,000 lbs. | 2-1/2" | 44" | 3-1/2" x 3-1/2" | Not included | -- | -- | -- | Gloss black |
| 15922 | 16,000 lbs. | 2-1/2" | 44" | 3-1/2" x 3-1/2" | 9" | 3 1/8" | 42" | 18" | Gloss black |
| 15923 | 16,000 lbs. | 2-1/2" | 44" | 3-1/2" x 3-1/2" | 18" | 11-1/2" | 42" | 18" | Gloss black |
| 15924 | 20,000 lbs. | 2-1/2" | 44" | 3-1/2" x 3-1/2" | Not included | -- | -- | -- | Gloss black |
| 15925 | 20,000 lbs. | 2-1/2" | 62" | 3-1/2" x 3-1/2" | 18" | 11-1/2" | 60" | 18" | Gloss black |
| 15926 | 20,000 lbs. | 2-1/2" | 62" | 3-1/2" x 3-1/2" | 18" | 3-1/4" | 60" | 18" | Gloss black |
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