Welcome to our Towing Safety and Trailer Weight Information page. Whether you’re new to towing or an experienced trailer owner, understanding key safety practices and weight ratings is essential for safe and efficient travel. On this page, you’ll find:
- Towing safety tips
- Estimated towing capacities for different vehicles
- Clear explanations of important weight terms for trailers, trucks, and combined setups
- A downloadable basic wiring diagram
This information is designed to help you make informed decisions and perform basic checks. For all technical details and safety-critical decisions, please confirm with your authorized Merhow dealer or a qualified professional.
Legal Disclaimer
Disclaimer:
The information provided on this page is intended for general guidance and educational purposes only. Topics such as trailer selection, living quarters configurations, towing safety, maintenance practices, equipment comparisons (including refrigerator types), and generator recommendations are based on commonly accepted industry standards and best practices. However, individual needs, vehicle capabilities, and local regulations may vary.
Always consult your trailer manufacturer, vehicle manual, and local laws before making decisions related to towing, maintenance, equipment installation, or generator selection. The pre-trip inspection checklist is a helpful tool but does not replace professional inspections or certified safety evaluations.
Use this information at your own discretion. We are not liable for any damages, injuries, or losses resulting from the use or misuse of the content provided.
Towing Safety
This downloadable Excel workbook provides a comprehensive checklist of towing safety tips for horse trailers and other towable units. It covers essential safety categories such as hitch connection, weight distribution, tire condition, brake functionality, electrical systems, emergency equipment, and more. Each tip is paired with a clear description to help users prepare for safe and reliable towing.
The workbook also includes additional expert recommendations—such as verifying hitch ball size, testing breakaway systems, checking lug nut torque, and planning for weather conditions—to further support safe travel. A dedicated disclaimer sheet reminds users that this resource is for reference only and encourages consultation with an authorized Merhow dealer or qualified professional for specific advice.
download Towing Safety TipsEstimated Towing Capacity
The towing capacities provided in this chart are intended for general reference only. Actual towing capacity may vary based on vehicle configuration, equipment, and usage. It is the sole responsibility of the driver to verify the specific towing capacity of their vehicle by consulting the owner’s manual or contacting their local dealership. Merhow Trailers accepts no liability for the accuracy or use of this information. Always follow manufacturer guidelines and safety recommendations when towing.
download Weight EstimateUnderstanding Weight Terms
When it comes to towing safely and efficiently, understanding weight terminology is essential. These terms define the limits and capabilities of your trailer, tow vehicle, and the combination of both. Knowing what each term means helps you:
- Ensure Safety: Overloading can lead to poor handling, increased stopping distance, and potential equipment failure.
- Protect Your Investment: Staying within weight ratings prevents unnecessary wear and tear on your trailer and truck.
- Comply with Regulations: Many states and manufacturers require adherence to weight limits for legal and warranty purposes.
- Optimize Performance: Proper weight distribution improves stability, fuel efficiency, and overall towing experience.
Each term below plays a critical role in determining how much you can safely haul, how your load should be distributed, and what your truck and trailer are designed to handle. Whether you’re hauling horses, livestock, or recreational equipment, these definitions will help you make informed decisions before hitting the road.
Trailer Weight Terms
- Empty Weight (Dry Weight):
Weight of the trailer without cargo, fluids, or passengers. - Gross Vehicle Weight Rating (GVWR):
Maximum allowable weight of the trailer including cargo, fluids, and accessories. - Load Capacity (Payload Capacity):
Maximum weight of cargo the trailer can carry (GVWR − Empty Weight). - Gross Trailer Weight (GTW):
Actual weight of the trailer when loaded, including cargo and fluids. - Tongue Weight (TW):
Downward force the trailer tongue exerts on the tow vehicle’s hitch. - Axle Weight:
Weight supported by each axle of the trailer.
Truck Weight Terms
- Curb Weight:
Weight of the truck with fluids and fuel, but no passengers or cargo. - Gross Vehicle Weight Rating (GVWR):
Maximum allowable weight of the truck including passengers, cargo, and fluids. - Payload Capacity:
Maximum weight of passengers and cargo the truck can carry (GVWR − Curb Weight). - Gross Vehicle Weight (GVW):
Actual weight of the truck when loaded with passengers, cargo, and fluids.
Combination Weight Terms
- Gross Combined Weight Rating (GCWR):
Maximum allowable combined weight of the truck, trailer, cargo, passengers, and fluids. - Gross Combined Weight (GCW):
Actual combined weight of the truck and trailer when fully loaded.
Additional Towing Terms
- Maximum Tow Rating:
Manufacturer-specified maximum weight the truck can safely tow. - Pin Weight (for Fifth-Wheel Trailers):
Weight placed on the truck bed by the trailer’s kingpin.
7-Way Round RV Plug Wiring
Wiring a trailer correctly is essential for safety, reliability, and compliance with road regulations. One of the most important steps is understanding the color codes used for trailer wiring. These color codes help identify the purpose of each wire—whether it’s for lights, brakes, ground, or auxiliary functions—making installation and troubleshooting much easier.
On this page, you’ll find a comprehensive reference for the most common trailer wire color codes and harness color codes used in the industry. This guide covers everything from basic running lights and turn signals to specialized load lights and auxiliary circuits. Whether you’re wiring a new trailer, making repairs, or simply checking your connections, these color codes will help ensure you get the job done right.
Download the chart below for a clear, organized overview of trailer wiring color codes, so you can work confidently and efficiently..
download Wiring Diagram