Eaton No Spin Differential 41 Spline Meritor. NoSPIN maximizes traction by delivering 100% of the torque and power to both drive wheels. It is engineered to keep both wheels in a constant drive mode, yet has the ability to automatically 'unlock' during vehicle turning to permit necessary wheel speed differentiation. The NoSPIN is 'trouble free' and does not require special lubricants or service adjustments. Automatically Unlocks When Wheel Speeds Are Mismatched Compatible With Four Channel Anti Lock Brake Systems Fully Locked Speed Sensitive Differential Clutchless Maintenance Free Design Uses Original Differential Case Works In Forward And Reverse No Individual Wheel Spin Out