072-079-00 Heavy Duty Trailer Leaf Spring – 7-Leaf Double Eye

072-079-00 Heavy Duty Trailer Leaf Spring – 7-Leaf Double Eye

The 072-079-00 is a heavy-duty 7-leaf double-eye spring designed for American-style trailer suspension systems, including compatible RV, utility and boat trailers. With a reference load capacity of 4,000 lbs per spring assembly, it provides reliable load support, effective shock absorption and improved trailer stability under demanding operating conditions.

Manufactured from high-quality SUP9 spring steel, our leaf springs offer high strength, good elasticity and fatigue resistance. Precision heat treatment and shot blasting enhance durability, while electrophoretic coating provides a smooth, uniform finish and improved corrosion protection.

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Description

High-quality SUP9 spring steel
Heavy-duty 7-leaf construction
Double-eye design with suspension bushings
Reference load capacity: 4,000 lbs per spring assembly
Suitable for compatible 8,000 lb trailer axle suspension systems
Precision heat treatment and shot blasting
Electrophoretic coating for corrosion protection
OEM and ODM customization available

Product Specifications

Number of Leaves: 7

Width: 44.45 mm

Steel Thickness: 64.0 mm (Total Pack Thickness)

Eye to Eye Dimensions: 631.95 mm (Unloaded)

Type: Trailer Leaf Spring

Weight: To be confirmed

Applications: RV Trailers, Utility Trailers, Boat Trailers and compatible heavy-duty trailer suspension systems.

Reference Numbers: Dexter 072-079-00, 72-79, DX74XR.

Reference Load Capacity: 4,000 lbs (approximately 1,814 kg) per spring assembly.

Technical specifications and load ratings are based on reference product catalogs. Actual manufactured specifications should be verified before ordering.