3148 – Spline Coupler

The 3148 Spline Coupler is a heavy-duty coupling component designed to transfer torque between splined shafts within reel turning and material-handling systems. It provides secure engagement and reliable power transmission for controlled rotation of reel assemblies.

Commonly used on Larson Cable Trailers, this spline coupler is ideal for replacement, service, or custom builds where dependable spline engagement is required.

Specifications

• Part Number: 3148
• Component Type: Spline coupler
• Function: Torque transfer / shaft coupling
• Construction: Machined steel
• Spline Style: Internal spline
• Application: Reel turning axles and rack systems

Fitment

• Designed for use with compatible splined shafts in reel turning assemblies
• Commonly paired with the 3067-FA Reel Turning Axle Assembly
• Verify spline profile and shaft dimensions before installation

Notes

• Coupler only — shafts and mounting hardware sold separately unless noted
• OEM-style replacement component
• Ensure proper spline alignment during installation
• Light lubrication recommended for spline interfaces