Description

3AB47 Class 3 Lower Fork Carriage Bar

The PRO-Link 3AB47 Lower Fork Carriage Bar is a precision-built Class 3 ITA lower carriage rail engineered for forklift systems that maintain 20-1/8 inches of vertical spacing from the bottom of the lower rail to the top of the upper rail. This measurement defines a true Class 3 carriage system and ensures proper compatibility with Class 3 fork blades.

Designed for forklift carriage repair, custom fabrication, and heavy-duty attachment manufacturing, the 3AB47 provides the structural foundation required to properly support fork heels and maintain rated lifting performance.

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True Class 3 ITA Geometry – 20-1/8″ Vertical Spacing

Forklift carriage classification is determined by the vertical measurement between rails:

• Class 2: 16 inches

• Class 3: 20-1/8 inches

The 3AB47 is manufactured specifically for Class 3 systems and must be installed in a carriage assembly that maintains the required 20-1/8″ spacing. Proper geometry ensures:

• Correct fork heel engagement

• Stable vertical alignment

• Even load distribution

• Compliance with ITA mounting standards

Incorrect spacing or mismatched class components can result in excessive fork movement and unsafe load handling.

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Lower Rail Heel Support and Load Stability

The lower carriage bar supports the bottom heel of the fork blade and works together with the upper carriage rail to secure the fork assembly.

When properly installed, the 3AB47:

• Prevents vertical fork displacement

• Absorbs downward load force

• Maintains fork alignment under stress

• Reduces wear on fork hooks and carriage components

In high-capacity forklift systems, proper lower rail strength is critical to maintaining structural integrity and operational safety.

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Heavy-Duty Structural Steel Construction

Manufactured from high-strength structural steel, the 3AB47 Lower Fork Carriage Bar is built to withstand:

• Repetitive heavy load cycles

• Impact from pallet entry and exit

• Off-center load stress

• Industrial and agricultural working environments

The reinforced profile maintains dimensional integrity under sustained loading conditions, making it suitable for both repair and new-build fabrication projects.

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Ideal for Fabrication and Carriage Rebuilds

The 3AB47 is commonly used in:

• Forklift carriage rebuilds

• Custom pallet fork frame fabrication

• Telehandler fork systems built to ITA standards

• Agricultural and industrial attachment manufacturing

Maintaining proper lower rail dimensions and strength is essential to preserving forklift capacity ratings and ensuring safe fork retention.