4WD Drive Shaft Coupling for Ford TS Series Tractors SKU: QT404894

When your 4WD system fails to engage or makes grinding noises, it's often a worn coupling that's lost its grip. This critical component transfers power between your transmission and the front driveline, and when it fails, you lose the traction advantage right when tough conditions demand it most.

Key Benefits

• 15-spline design provides precise engagement with no slippage under load
• Heavy-duty steel construction handles full engine torque through the 4WD system
• Heat-treated splines resist wear and maintain positive power transfer
• Factory specifications ensure proper fit with existing driveline components

4WD driveline components face extreme stress from sudden engagement loads, torque multiplication through the transmission, and the shock forces of implement operation. This coupling is engineered to handle these demanding conditions with precision-cut splines that maintain their geometry even after thousands of engagement cycles. When replacing 4WD couplings, inspect the entire driveline for wear, including universal joints, CV joints, and carrier bearings. A failed coupling often indicates other driveline problems that should be addressed to prevent future failures. S&H Parts has been helping customers restore reliable 4WD operation since 1969—call if you need help confirming the right fit for your specific tractor model.