Introduction
This manual provides essential information for the proper installation, safe operation, and maintenance of your APS Rear Trailer Hitch Receiver, Model HT-R36663. This Class 3 hitch is designed for specific vehicle compatibility, including Ram 1500 (2003-2024) and Dodge Ram 2500/3500 (2003-2013) trucks. Please read all instructions carefully before proceeding with installation or use.
Safety Information
Always prioritize safety when installing and operating towing equipment. Failure to follow safety guidelines can result in serious injury or property damage.
- Never exceed vehicle weight rating: Ensure the combined weight of your trailer and cargo does not exceed your vehicle's manufacturer-specified towing capacity.
- Observe hitch weight limits: Do not exceed the maximum weight carrying capacity (6000 lbs) or tongue weight (600 lbs) of this hitch. For weight distribution setups, do not exceed 10000 lbs weight distribution capacity or 1000 lbs weight distribution tongue weight.
- Secure all connections: Always ensure all bolts, pins, and safety chains are properly secured before towing.
- Regular inspection: Periodically inspect the hitch for any signs of wear, damage, or corrosion. Replace components as necessary.
- Professional installation recommended: If you are unsure about any step of the installation process, consult a qualified professional.
Package Contents
Verify that all components listed below are present in your package. If any parts are missing or damaged, contact customer support before proceeding.
- APS Rear Trailer Hitch Receiver (1)
- Mounting Brackets (as required for specific vehicle fitment)
- Installation Hardware (bolts, washers, nuts)
- 2-inch Rubber Tube Plug Cap (Hitch Cover) (1)
- User Manual (this document)

Description: This image displays the main hitch receiver unit, which is black and made of carbon steel. Below the hitch, various pieces of mounting hardware are shown, including bolts, washers, nuts, and a rubber hitch cover. These components are essential for the installation of the hitch onto your vehicle.
Setup & Installation
This hitch is designed for a bolt-on installation with no drilling required for compatible vehicles. Refer to your vehicle's owner's manual for specific instructions regarding towing equipment installation points.
Tools and Materials (Not Included):
- Wrenches or socket set appropriate for hardware size
- Torque wrench
- Safety glasses
- Gloves
- Jack stands (if lifting vehicle)
Installation Steps:
- Prepare Vehicle: Park the vehicle on a level surface and engage the parking brake. For easier access, it is recommended to lower the spare tire if applicable to your vehicle model.
- Locate Mounting Points: Identify the factory mounting holes on your vehicle's frame.
- Position Hitch: Carefully lift the hitch receiver into position, aligning its mounting holes with the vehicle's frame holes.
- Install Hardware: Use the provided fish-wire technique (if applicable to your vehicle's frame design) to guide the bolts and washers through the frame and hitch. Secure with nuts.
- Tighten Fasteners: Hand-tighten all bolts initially. Then, using a torque wrench, tighten all fasteners to the vehicle manufacturer's specified torque settings. Refer to your vehicle's service manual for exact torque values.
- Final Check: Ensure all bolts are securely tightened and the hitch is firmly attached to the vehicle. Reinstall the spare tire if it was removed.

Description: This image shows the APS trailer hitch receiver successfully installed on the rear of a white Ram pickup truck. The 2-inch receiver opening is visible below the rear bumper, indicating a proper fit. The image also includes a smaller inset showing a close-up of a welded joint, highlighting the construction quality.

Description: This image provides a close-up view of the welding on the trailer hitch, specifically highlighting the 'fish-scale' pattern. This detail illustrates the quality and strength of the construction, which contributes to the hitch's durability and safety.
Operating Instructions
The APS Rear Trailer Hitch Receiver is designed to accommodate various towing and hauling accessories. Always ensure proper connection and weight distribution for safe operation.
Towing Capacities:
- Weight Carrying Capacity: 6000 lbs
- Tongue Weight (WC): 600 lbs
- Weight Distribution Capacity: 10000 lbs
- Tongue Weight (WD): 1000 lbs
Note: Always adhere to the lowest weight rating of any component in your towing system (vehicle, hitch, ball mount, trailer).
Compatible Accessories:
The 2-inch receiver opening is compatible with a wide range of towing and hauling accessories.

Description: This diagram illustrates several types of equipment that can be attached to the 2-inch hitch receiver. These include weight distribution systems, trailer hitch ball mounts, cargo carriers, bike carriers, kayak trailers, boat trailers, camp trailers, and utility trailers. This demonstrates the versatility of the hitch for various towing and hauling needs.
Maintenance
Proper maintenance will extend the life of your APS Trailer Hitch Receiver and ensure safe operation.
- Regular Cleaning: Clean the hitch receiver periodically to remove dirt, salt, and debris, especially after exposure to harsh weather conditions.
- Corrosion Protection: The hitch is protected by a durable high-gloss black powder coat finish, co-cured in a rust-resistant liquid aquence coating. Inspect this finish regularly for chips or scratches and touch up as needed to prevent rust.
- Fastener Check: Periodically check all mounting bolts and nuts for tightness. Re-torque to specifications if any are loose.
- Receiver Tube Inspection: Keep the inside of the receiver tube clean and free of obstructions. Apply a light coat of grease to the inside surface to prevent rust and ease insertion of accessories.

Description: This diagram illustrates the layered protection applied to the hitch receiver for corrosion resistance. It shows three distinct layers: Quartz Sandblasting, Special E-Coat, and Multi-Stage Black Powder coating. This multi-layer process provides robust protection against rust, chipping, and extreme weather conditions.
Troubleshooting
If you encounter issues with your hitch receiver, consider the following common solutions:
- Loose Fit/Rattling: Ensure all mounting hardware is torqued to specification. Check for proper fitment of your ball mount or accessory within the receiver tube. Anti-rattle devices can be used if necessary.
- Difficulty Inserting Accessories: Ensure the receiver tube is clean and free of debris. A light lubricant or grease can aid insertion. Check for any deformation of the receiver tube opening.
- Unusual Noises During Towing: Re-check all connections, including the hitch, ball mount, and trailer coupler. Ensure proper tongue weight distribution.
Specifications
| Brand | APS |
| Model Number | HT-R36663 |
| Material | Carbon Steel |
| Finish Type | Powder Coated |
| Item Weight | 6.71 Kilograms |
| Vehicle Service Type | Truck |
| Compatible Vehicle Models | Ram 1500 (2003-2024), Dodge Ram 2500/3500 (2003-2013) |
| Maximum Towing Capacity (WC) | 6000 Pounds |
| Tongue Weight (WC) | 600 Pounds |
| Maximum Towing Capacity (WD) | 10000 Pounds |
| Tongue Weight (WD) | 1000 Pounds |
Warranty
The APS Rear Trailer Hitch Receiver comes with a 1 Year Warranty Against Manufacturer Defects. This warranty covers defects in materials and workmanship under normal use. For warranty claims, please retain your proof of purchase and contact APS customer support.
Support
For further assistance, technical questions, or to report any issues, please refer to the contact information provided with your purchase or visit the official APS website. When contacting support, please have your product model number (HT-R36663) and purchase details readily available.


