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Complete CURT Class 5 2-1/2" trailer hitch and 5-flat wiring kit (with 4-way to 5-way adapter for surge brakes) engineered for the 2002 - 2004 Ford F-350 Super Duty Cab & chassis with 34" frame width (O.D.). Vehicle-specific fit, plug-and-play installation, all hardware and instructions included.
This custom kit fits the following vehicles:
All Hardware and Installation Instructions Included!
In the world of commercial towing, more is expected. A job cannot be completed if the equipment cannot handle the workload. That is why CURT developed the Commercial Duty class 5 trailer hitch. Constructed from steel and engineered for power, these class 5 hitches are designed to complement the towing power of full-size, commercial pickup trucks, including diesels and chassis cabs. They can easily handle a variety of oversize trailers, including toy and car haulers, livestock trailers, dumper trailers, large flatbed trailers, large boat trailers and more (NOTE: Never exceed the lowest weight capacity of any towing component). This particular class 5 hitch features a gross trailer weight capacity of 20,000 lbs. and a tongue weight capacity of 2,700 lbs. It is designed to be a custom trailer hitch for certain years of the Ford F350 Super Duty, F450 Super Duty, F550 Super Duty and F650 (to verify your vehicle compatibility, see application info). All CURT Commercial Duty class 5 hitches feature a 2-1/2" x 2-1/2" receiver tube opening to accept the strongest of ball mounts and towing accessories. They are perfect for mounting standard ball mounts, pintle mounts, tow hooks and weight distribution hitches as well as winch mounts and cargo carriers. CURT class 5 tow hitches are protected by a co-curing of liquid A-coat and carbide black powder coat finish. They also mount with grade-8 hardware, included with each hitch.
CURT custom wiring connectors are the easiest way to outfit your vehicle with a CURT trailer wiring connection. They are built with some of the most advanced technology in the industry, and each one is custom-fitted to work with a specific make and model. Some automotive manufacturers install a special socket on the vehicle to be used for vehicle-to-trailer wiring. Although this special socket is not equipped on every vehicle, a CURT custom wiring connector -- also called a T-connector -- utilizes the socket for simple, stress-free installation. Rather than requiring you to cut, splice and solder into your vehicle's wiring system, the custom wiring connector uses a single OEM-compatible plug and instantly provides a standard, universal vehicle-to-trailer wiring connection, typically in the form a 4-way flat. All CURT custom wiring connectors are made vehicle-specific for the easiest possible installation and the best fit. This particular plug-in connector provides a 4-way flat socket and is designed to be a custom wiring option for certain years of the Ford F250 Super Duty and F350 Super Duty (factory tow package required; to verify your vehicle compatibility, see application info). It comes with all necessary hardware to establish a solid connection. It also comes with a dust cover to keep the connector socket clean when not in use. To ensure long-lasting reliability, all CURT custom wiring connectors are thoroughly tested for optimal functionality. Stress is the last thing you should feel when towing a trailer -- whether you're hauling your RV to that favorite camping destination, your ATVs up to the hunting grounds or your fishing boat to the new hidden hotspot. At CURT, we think your towing equipment should add to the enjoyment of your experience, not detract from it.

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 888-634-94941 compatible vehicles
| Year | Make & Model | Notes |
|---|---|---|
| 2002 - 2004 | Ford F-350 Super Duty | Cab & chassis with 34" frame width (O.D.) |
Yes, part number 15845 is designed for 1999–Current Ford F-350, F-450, F-550, and F-650 Cab & Chassis models with a 34" frame. Confirm your vehicle has a 34" frame before ordering.
Yes, Curt part number 15845 is compatible with Ford F-450 and F-550 models from 1999 to current, provided they are Cab & Chassis configuration with a 34" frame.
The hitch weight is 60 lbs.
Yes, part number 15845 can be used as either a weight carrying hitch or a weight distribution hitch. The gross load capacity differs depending on the mode: weight carrying capacity is 20,000 lbs trailer weight and 2,700 lbs tongue weight; weight distribution capacity is also 20,000 lbs trailer weight and 2,700 lbs tongue weight.
Do not exceed your vehicle manufacturer's recommended towing capacity. This hitch has a gross load capacity of 20,000 lbs trailer weight and 2,700 lbs tongue weight when used as a weight carrying hitch, and the same capacity when used as a weight distribution hitch. However, your Ford's actual towing limit may be lower. Consult your vehicle's owner manual for the manufacturer's recommended towing capacity and do not exceed it.
You will need: a ratchet, a torque wrench, a 3/4" socket, a drill, and a 19/32" drill bit.
The kit includes: 6× 1/2-13 UNC bolts, 1-1/2" long, Grade 8, zinc-plated (part 10-10287); 4× 9/16-12 UNC bolts, 1-3/4" long, Grade 8, zinc-plated (part 10-10328); 6× 1/2-13 UNC serrated flange nuts, Grade 8, zinc-plated (part 20-00062); 4× 9/16-12 UNC serrated flange nuts, Grade 8, zinc-plated (part 20-00104); 4× spacers 0.313" × 1.50" × 2.00" with 9/16" square hole (part CM-SP71); and 2× 0.313" spacers (part CM-SP142).
Professional installation takes approximately 60 minutes. DIY installation by a novice takes approximately 75 minutes.
Yes, drilling is required. You must drill one hole on each side of the frame using a 19/32" drill bit. The hole location is marked by raising the hitch into position and marking the hole furthest from the bumper before drilling.
Use a 19/32" drill bit to drill the required mounting holes in the frame.
1. Raise the hitch into position and clamp it in place, using the rivet clearance holes in the side plates for alignment. 2. Mark the hole furthest from the bumper for drilling, then drill it using a 19/32" drill bit (both sides). 3. Fasten the hitch to the frame, fastening the holes in the back of the frame first, then the drilled holes in the front. 4. Attach the mounting plates to the hitch and fasten to the truck. 5. Torque all fasteners.
Torque all 1/2" hardware to 110 ft-lbs.
Torque all 9/16" hardware to 130 ft-lbs.
Periodically check the receiver hitch to ensure that all fasteners are tight and that all structural components are sound. This ongoing inspection helps maintain safe operation and extends the life of the hitch.
Yes, if you have a 1999–Current Ford F-350, F-450, F-550, or F-650 Cab & Chassis with a 34" frame.
Yes. You must drill one hole on each side of the frame using a 19/32" drill bit.
Ratchet, torque wrench, 3/4" socket, drill, and 19/32" drill bit.
Torque 1/2" hardware to 110 ft-lbs and 9/16" hardware to 130 ft-lbs.
60 lbs.
20,000 lbs trailer weight and 2,700 lbs tongue weight. Do not exceed your vehicle manufacturer's recommended towing capacity.
Yes, Curt part 55265 is designed for Ford F-250 & F-350 Heavy Duty vehicles. The installation connects to the vehicle's existing trailer wiring harness connector located behind the rear bumper next to the spare tire.
The vehicle's trailer wiring harness connector is located behind the rear bumper next to the spare tire. The connector on the harness will be similar to the connector on the product.
Insert the harness connector into the vehicle's connector located behind the rear bumper next to the spare tire. Make sure the connectors are fully inserted with locking tabs in place. Then route the 4-flat to the center of the vehicle and secure it in a convenient out-of-the-way location. Secure any loose wires with the cable ties provided.
Route the 4-flat to the center of the vehicle and secure it in a convenient out-of-the-way location. This keeps it accessible and protected from damage.
Cable ties are provided to secure loose wires. The manual does not specify other hardware included with the product.
Before drilling, verify that miscellaneous items hidden behind or under any surface are not present. This avoids damage to hidden components and personal injury.
Yes, Curt 55265 is designed for Ford F-250 & F-350 Heavy Duty trucks.
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