The Buyers Products Class 5 Service Body Hitch Receiver with 2-1/2 Inch Receiver Tube is rated up to 20,000 lb. Fits cab & chassis with 60in. or 84in. CA (Cab-to-Axle dimensions). It has a black powder-coated finish for corrosion resistance.
Specifications
| Application Summary | GM?? 3500, 4500, 5500 Service Body |
|---|---|
| Class | Class V |
| Color | Black |
| Depth (in.) | 20 |
| Finish | Powder-Coat |
| Height (in.) | 20.16 |
| M.G.T.W. (lbs.) | 20,000 |
| M.V.L. (lbs.) | 2,000 |
| Make | GM?? |
| Material | Carbon Steel |
| Model | 3500 - 5500 |
| Mount Type | Bolt-on |
| Receiver Tube Size (in.) | 2.5 |
| Style | Cab & Chassis Service Body |
| Width (in.) | 40.28 |
The Buyers Products Class 5 Service Body Hitch Receiver, featuring a robust 2-1/2 inch receiver tube, represents a pinnacle of towing utility specifically engineered for GM® 3500, 4500, and 5500 series Cab & Chassis vocational platforms. This meticulously designed component is not merely an accessory but a critical extension of the vehicle's inherent heavy-duty capabilities, facilitating the safe and efficient transport of substantial loads across diverse commercial and industrial applications. Rated with an impressive Maximum Gross Trailer Weight (M.G.T.W.) of 20,000 lbs. and a Maximum Vertical Load (M.V.L.) of 2,000 lbs., this receiver is built to meet and exceed the rigorous demands encountered in professional service environments, ensuring reliability and performance where it matters most. Its compatibility with both 60-inch and 84-inch Cab-to-Axle (CA) dimensions underscores its versatility and precise fitment across the specified GM® chassis configurations, critical for maintaining vehicle integrity and operational efficiency.
Adhering to the stringent Class V designation as defined by SAE J684 standards, this hitch receiver is optimized for extreme heavy-duty towing. The Class V classification is the highest rating for conventional towing, signifying a design capable of handling trailer weights exceeding 10,000 lbs., up to the specified 20,000 lbs. for this particular unit. This capacity is essential for professionals who routinely tow large utility trailers, heavy equipment such as mini-excavators or skid steers, large dump trailers, or specialized mobile workshops that require substantial hauling power. The distinction of a 2-1/2 inch receiver tube, as opposed to the more common 2-inch standard, further reinforces its heavy-duty status. This increased cross-sectional area provides superior strength, enhanced rigidity, and reduced flex under extreme loads, which translates directly into improved stability and safety during towing operations. This design choice also ensures compatibility with a broad spectrum of heavy-duty ball mounts, weight distribution systems, and specialized towing attachments prevalent in high-capacity applications.
The integration with GM® 3500, 4500, and 5500 Cab & Chassis platforms is a cornerstone of this product's engineering excellence. These commercial-grade chassis are purpose-built as foundations for vocational upfitting, including service bodies, flatbeds, dump bodies, and specialized utility configurations. The precise design accounts for the robust frame architecture of these GM® models, ensuring a bolt-on installation that aligns perfectly with existing frame rail mounting points. The critical consideration of Cab-to-Axle (CA) dimensions—specifically 60 inches and 84 inches—is paramount. The CA measurement dictates the available frame space for body installation and, crucially, the permissible location for a hitch receiver to ensure optimal weight distribution and structural integrity. A properly matched CA dimension prevents undue stress on the chassis, maintains the vehicle's original engineering specifications, and contributes significantly to overall towing stability and vehicle handling characteristics, particularly when navigating challenging terrains or heavy traffic conditions typical of commercial operations.
Constructed from high-strength carbon steel, the hitch receiver’s material selection is integral to its Class V performance. Carbon steel is renowned for its excellent balance of strength, ductility, and weldability, properties that are indispensable for components subjected to significant tensile, compressive, and shear forces during heavy towing. The manufacturing process employs advanced fabrication techniques, likely including precision laser cutting and robotic welding, to ensure consistent quality, dimensional accuracy, and structural integrity across every unit. Robotic welding, in particular, delivers superior weld penetration and bead consistency, minimizing stress concentrations and maximizing the fatigue life of the assembly. This meticulous approach to material specification and manufacturing methodology guarantees that the hitch receiver will withstand the dynamic stresses of heavy loads, repetitive use, and varying environmental conditions without compromising its structural integrity or safety performance over its operational lifespan.
Beyond its intrinsic structural strength, the hitch receiver benefits from a professional-grade black powder-coated finish. This advanced coating technology provides superior resistance to corrosion, abrasion, and chipping compared to conventional liquid paint applications. The powder coating process involves electrostatically applying a dry powder to the prepared carbon steel surface, which is then cured under heat. This process creates a thick, uniform, and highly durable layer that bonds molecularly with the metal substrate. The resultant finish offers exceptional protection against environmental aggressors such as road salts, chemicals, moisture, UV radiation, and physical impacts that are common in demanding work environments. The aesthetic benefit of a consistent black finish also complements the rugged appearance of commercial service vehicles while contributing significantly to the longevity and minimal maintenance requirements of the hitch receiver, preserving its functional and visual integrity for years of heavy service.
The bolt-on mounting design simplifies installation and offers distinct advantages for vocational fleet operators and upfitters. Unlike weld-on installations that can alter the vehicle’s frame characteristics and potentially void manufacturer warranties, a bolt-on system ensures that the vehicle’s original frame integrity is maintained. The design is engineered to leverage existing pre-drilled holes in the GM® chassis, eliminating the need for costly and time-consuming frame modifications or specialized welding equipment. This expedites the installation process, reduces labor costs, and allows for easier replacement or transfer if necessary. The use of high-grade fasteners (typically Grade 8 hardware, though specific hardware should always be confirmed with the manufacturer’s instructions) ensures a secure, robust connection that can withstand the substantial forces exerted during heavy towing, providing peace of mind to operators regarding the system’s reliability and safety.
Operational safety is paramount, and this Class 5 hitch receiver is designed with this principle at its core. Adherence to industry standards such as SAE J684 is a fundamental aspect of its engineering, ensuring that the product performs reliably within its stated capacities. However, it is crucial for operators to understand and respect the interplay between the hitch's capacity, the trailer's Gross Vehicle Weight Rating (GVWR), and the tow vehicle's Gross Combined Weight Rating (GCWR) and Gross Axle Weight Ratings (GAWR). The M.V.L. (tongue weight) of 2,000 lbs. is a critical metric; proper tongue weight, typically 10-15% of the GTW, is essential for maintaining trailer stability and preventing sway, which can lead to dangerous towing conditions. Overloading the tongue can cause excessive rear axle sag, reduced steering control, and braking inefficiencies, while insufficient tongue weight can result in severe trailer sway. Educational resources regarding proper weight distribution, trailer loading, and regular maintenance checks are vital for safe operation.
The versatility of this hitch receiver significantly enhances the utility of GM® service body vehicles. Service bodies are workhorses of various industries, including construction, telecommunications, utilities, landscaping, and municipal services. Equipping these vehicles with a high-capacity Class 5 receiver allows them to expand their operational capabilities, enabling the transport of a wider range of equipment and materials to job sites. For instance, a telecommunications crew can tow a cable reel trailer or a small generator, a construction team can haul a mini-excavator or a concrete mixer, and a landscaping company can transport heavy-duty chippers or large enclosed utility trailers. This capacity means fewer trips, greater efficiency, and the ability to undertake more demanding tasks, directly translating into increased productivity and operational flexibility for businesses and governmental agencies relying on these heavy-duty platforms.
Long-term durability and minimal maintenance are inherent benefits of the product's design and construction. The combination of carbon steel and a powder-coated finish ensures a robust, weather-resistant system that requires little more than periodic visual inspection. Users should regularly check all mounting bolts for proper torque, inspect the receiver tube for any signs of damage or excessive wear, and ensure that the safety chain attachment points are free from obstruction or corrosion. Any chips or scratches in the powder coat should be touched up promptly to prevent localized corrosion, although the inherent durability of the finish minimizes this risk. This proactive approach to maintenance, coupled with the product's high-quality manufacturing, contributes to a long service life, safeguarding the investment and ensuring consistent, reliable performance throughout the operational lifetime of the service vehicle.
In conclusion, the Buyers Products Class 5 Service Body Hitch Receiver with a 2-1/2 inch receiver tube is an indispensable and technically sophisticated component for GM® 3500, 4500, and 5500 Cab & Chassis vehicles. Its design is a testament to rigorous engineering principles, combining high-strength carbon steel construction, a durable black powder-coat finish, and precise fitment for specific GM® chassis with 60-inch or 84-inch CA dimensions. With a robust 20,000 lb. M.G.T.W. and 2,000 lb. M.V.L., it provides the heavy-duty towing capacity essential for demanding vocational applications, ensuring the safe and efficient transport of a wide array of trailers and equipment. The bolt-on installation facilitates seamless integration while preserving chassis integrity. This product not only enhances the functional capabilities of commercial service vehicles but also represents a commitment to safety, durability, and professional-grade performance, making it a critical asset for any fleet requiring serious towing power and reliability.
