Instruction Manual

1. Product Overview

The CURT 45785 Trailer Hitch Receiver Adapter is designed to provide versatility and added clearance for your vehicle's hitch system. It converts a 1-1/4-inch x 1-1/4-inch receiver tube opening to a 2-inch x 2-inch opening, while also extending the receiver by 6-1/4 inches. This adapter is ideal for mounting accessories such as cargo carriers or bike racks, providing necessary clearance from the bumper or spare tire. It is important to note that this adapter is not intended for towing use to pull any amount of gross trailer weight.

Manufactured from high-strength carbon steel, the CURT 45785 undergoes CNC-forming, robotic welding, and mechanical descaling to ensure a precise fit and superior durability. It is finished with a durable black powder coat for excellent resistance against rust, chips, and UV damage.

2. Features and Benefits

• Versatile Adapter: Easily inserts into your trailer hitch receiver to adapt it from one size to another. This hitch adapter fits a 1-1/4-inch receiver and accepts a 2-inch shank.
• Added Clearance: Functions as a trailer hitch extension, adding 6-1/4 inches of extra length to your hitch receiver. This provides additional clearance between your bumper and hitch accessory.
• Standard Fit: Has a 1-1/4-inch x 1-1/4-inch shank to fit any industry-standard 1-1/4-inch trailer hitch receiver. It also accepts any industry-standard 2-inch x 2-inch shank.
• Solid Strength: Constructed from high-strength steel to ensure reliability. It is rated for 350 lbs. tongue weight and is designed to mount a cargo carrier, bike rack or other accessory (not for towing use).
• Corrosion-Resistant: Finished in a highly durable black powder coat to withstand rain, dirt, UV damage and other corrosive threats.

3. Specifications

4. Setup and Installation

The CURT 45785 Trailer Hitch Receiver Adapter is designed for straightforward installation into your vehicle's existing 1-1/4-inch hitch receiver.

4.1. What's in the Box

• 1 x CURT 45785 Receiver Adapter

4.2. Installation Steps

1. Ensure your vehicle's hitch receiver is clean and free of debris.
2. Align the 1-1/4-inch shank of the CURT 45785 adapter with your vehicle's 1-1/4-inch hitch receiver opening.
3. Slide the adapter fully into the receiver until the pin holes align.
4. Insert a compatible hitch pin and clip (not included) through the aligned holes to secure the adapter in place. Ensure the pin is fully seated and the clip is engaged to prevent accidental removal.
5. Once secured, the 2-inch x 2-inch opening of the adapter is ready to accept your desired hitch accessory.

5. Operation

Once the CURT 45785 Receiver Adapter is securely installed, it provides a 2-inch x 2-inch receiver opening for various hitch-mounted accessories.

5.1. Using with Accessories

• Insert the shank of your 2-inch hitch-mounted accessory (e.g., bike rack, cargo carrier) into the 2-inch opening of the adapter.
• Align the accessory's pin hole with the corresponding hole on the adapter.
• Secure the accessory with a compatible hitch pin and clip (not included).

Important Safety Note: This adapter is designed for accessory use only and has a tongue weight capacity of 350 lbs. It is NOT intended for towing trailers or any application that involves gross trailer weight. Exceeding the stated tongue weight capacity or using for towing can result in product failure, property damage, and serious injury.

6. Maintenance

Regular maintenance will help ensure the longevity and proper function of your CURT 45785 Receiver Adapter.

• Cleaning: Periodically clean the adapter with mild soap and water to remove dirt, road grime, and salt. Rinse thoroughly and dry completely.
• Inspection: Before each use, inspect the adapter for any signs of wear, damage, cracks, or corrosion. Pay close attention to the weld points and pin holes.
• Lubrication: Apply a light coat of grease or rust-inhibiting spray to the inside of the receiver opening and the shank of any inserted accessories to prevent rust and facilitate easier insertion/removal.
• Storage: When not in use, store the adapter in a dry place to protect its powder coat finish and prevent corrosion.

7. Troubleshooting

The CURT 45785 Receiver Adapter is a simple, robust component. Most issues can be resolved with basic checks.

• Difficulty Inserting/Removing:
  • Check for rust or debris inside the vehicle's receiver or on the adapter's shank. Clean as necessary.
  • Apply a lubricant to the surfaces.
  • Ensure the adapter is aligned correctly.
• Loose Fit/Rattling:
  • Ensure the hitch pin and clip are fully engaged and secure.
  • Verify that the adapter is fully inserted into the vehicle's receiver.
  • Consider using an anti-rattle device (sold separately) if excessive movement persists.
• Visible Damage:
  • If any cracks, severe bends, or significant corrosion are observed, discontinue use immediately. Do not attempt to repair damaged components. Replace the adapter.

8. Warranty and Support

CURT Manufacturing stands behind the quality of its products. For specific warranty information regarding the CURT 45785 Trailer Hitch Receiver Adapter, please refer to the warranty documentation included with your purchase or visit the official CURT website.

For technical support, installation assistance, or questions about product compatibility, please contact CURT customer service:

• Website: www.curtmfg.com
• Customer Service: Refer to the website for current contact methods (phone, email, chat).

When contacting support, please have your product model number (45785) and purchase information readily available.