Shipping Dozers

Dozers, or bulldozers, are essential pieces of heavy machinery used in various industries, from construction to mining. When it comes to shipping dozers, several considerations come into play, including blade size, weight distribution, and the choice of transport equipment. This article delves into these factors, comparing flatbed, stepdeck, and lowboy trailers to determine the best options for transporting dozers safely and efficiently.

Understanding Dozer Specifications

Before shipping a dozer, it's crucial to understand its specifications, particularly blade size and weight distribution. These factors significantly influence the choice of transport equipment and loading procedures.

Blade Size

The size of a bulldozer blade varies depending on its model and intended use, ranging from around 70 inches for smaller dozers to as wide as 300 inches for larger models. However, legal transport regulations impose restrictions on width. In most states, the maximum allowable width for transport without a permit is 8 feet 6 inches (102 inches). If the blade exceeds this, an oversize load permit is required. Additionally, loads wider than 10 feet often face travel restrictions, and those exceeding 12 feet may require escort vehicles, adding to transportation complexity and costs. Understanding these regulations is essential when planning the shipment of a dozer.

Weight Distribution

Proper weight distribution is essential for the safe transport of bulldozers, which can weigh anywhere from 20,000 to 100,000 pounds, depending on their size and configuration. The weight is typically concentrated at the front due to the blade and any attachments, making balanced loading critical. To prevent swaying, instability, or excessive strain on the trailer, the dozer should be positioned centrally and secured properly to distribute the weight evenly across all axles. Poor weight distribution can increase stopping distances, heighten rollover risks, and reduce overall stability, making correct loading practices crucial for safe and efficient transport.

Choosing the Right Transport Equipment

Selecting the appropriate transport equipment is crucial for ensuring the dozer's safety during transit. The three primary types of trailers used for transporting dozers are flatbed, stepdeck, and lowboy trailers.

Flatbed Trailers

Flatbed trailers are versatile and commonly used for transporting various types of heavy equipment, including dozers. They typically have a deck height of approximately 60 inches (5 feet) from the ground. When using flatbed trailers, it's essential to ensure that the combined height of the trailer deck and the loaded equipment does not exceed legal limits, which vary by state. Proper loading procedures and securing methods are crucial to prevent movement during transport.

• Versatile and widely available.
• Easier to load and unload without ramps.
• Lower cost compared to specialized trailers.

Step Deck Trailers

Step deck trailers, also known as drop deck trailers, have two deck levels, which can be advantageous for transporting taller equipment like dozers. The upper deck is typically 10 to 11 feet long, while the lower deck ranges from 37 to 43 feet in length. The lower deck height varies between 36 to 42 inches, allowing for the transport of taller equipment without exceeding height restrictions.

• Lower deck height reduces overall transport height.
• Can accommodate taller equipment without requiring special permits.
• Easier loading due to reduced height difference.
• Load levelers allow for flexible loading options and improved weight distribution.

Lowboy Trailers

Lowboy trailers are designed specifically for transporting heavy and oversized equipment and are characterized by their low deck height. This design allows for the transport of equipment up to 12 feet tall without the need for special permits. Lowboy trailers are particularly advantageous for dozers with large blades or attachments that increase their height.

• Ideal for transporting oversized equipment.
• Lower deck height allows for greater stability.
• Can handle heavier loads with ease.

Comparative Analysis of Trailer Types

When selecting a trailer for transporting dozers, several key factors should be considered:

• Cost: Flatbed trailers are generally the most cost-effective option due to their widespread availability and lower operating costs. Step deck and lowboy trailers tend to be more expensive due to their specialized design and limited availability.
• Height Restrictions: Step deck and lowboy trailers are better suited for taller dozers, as their lower deck heights help avoid exceeding legal height limits, which can result in fines, route restrictions, or transport delays.
• Loading and Unloading: Step deck and lowboy trailers offer easier loading and unloading options due to their lower deck height and ability to use ramps. This makes them ideal for transporting heavy dozers with minimal handling challenges.

Conclusion

Shipping dozers requires careful consideration of blade size, weight distribution, and the choice of transport equipment. Flatbed, stepdeck, and lowboy trailers each have their advantages and are suited for different situations. Understanding these factors will help ensure that dozers are transported safely and efficiently, minimizing the risk of damage and ensuring compliance with transportation regulations.

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