At TalkFreight, we understand the complexities of semi trailer dimensions and regulations. Our expertise in this field ensures that we provide top-notch guidance and services in semi trailer acquisition and management. This article provides a comprehensive overview of different semi trailer types, their dimensions, capacities, and regulatory considerations.
Dimensions, Length, and Freight Weight by Trailer Type
Different semi trailers are designed for various purposes, affecting their dimensions and load capacities. We’ll explore the specifics of each type to help you understand their capabilities and limitations.
Flatbed Trailers
Flatbed trailers are versatile and ideal for heavy cargo. Their dimensions and weight capacities are:
- Length: 48 ft – 53 ft
- Width: 8.5 ft
- Height: 8.5 ft
- Maximum Weight: 48,000 pounds (65,000 pounds for tri-axle)
Dry Vans
Dry vans are suitable for a wide range of goods, with the following dimensions:
- Length: 48 ft – 53 ft
- Width: 8.2 ft
- Height: 8 ft
- Freight Weight: 42,000 to 45,000 pounds (63,000 pounds for tri-axle)
Refrigerated Trailers
Refrigerated trailers are essential for temperature-sensitive goods, offering:
- Length: 48 ft – 53 ft
- Width: 8.2 ft
- Height: 8 ft
- Max Freight Weight: 42,000 to 45,000 pounds (63,000 pounds for tri-axle)
Lowboys
Lowboys are perfect for oversized or heavy items:
- Length: 24 ft – 29.6 ft
- Well Height: 18 in – 24 in
- Width: 8.5 ft
- Legal Freight Height: 11.5 ft – 12 ft
- Legal Overall Load Height: 14 ft
- Max Cargo Weight: 40,000 pounds (up to 95,000 pounds with additional axles)
Step Decks
Step decks are useful for taller cargo:
- Length: 48 ft – 53 ft
- Width: 8.5 ft
- Height: 10 ft
- Max Freight Weight: 48,000 pounds (65,000 pounds for tri-axle)
Federal Regulations for Interstates
Understanding federal regulations is crucial for legal compliance. The U.S. Department of Transportation Federal Highway Administration outlines the following weight limits:
- Gross Vehicle Weight: 80,000 pounds
- Single Axle Weight: 20,000 pounds
- Tandem Axle Weight: 34,000 pounds
Axle spacing is a key factor in complying with the bridge formula, which aims to protect infrastructure.
Regulations by State
State regulations can vary, especially regarding oversize load permitting. It’s vital to be aware of these differences to ensure compliance across state lines.
Your Partner For The Right Trailer, For The Right Job
TalkFreight.ai is your go-to expert for selecting the right semi trailer. We understand the importance of matching trailer dimensions and load capabilities to your specific needs.
