New Old Stock TA Top Shaft for International 330,  340,  340 Utility,  460,  460 Utility,  504,  504 Utility,  544,  544 Utility,  560,  606 Utility,  656,  656 Utility,  660,  664,  666,  686,  2504 and 2544 Tractors.

Shaft has 23 splines.

Case IH Torque Amplifier Shaft part numbers: 61283R22, 361283R21, 361283R29, 361283R19, 361283R25, 361283R12, 361283R18, 361283R28, 361283R11, 361283R17, 361283R16, 361283R14, 361283R20, 359892R11, 361283R24, 361283R13, 361283R31, 361283R15, 361283R30, 361283R27, 361283R23, 361283R26.

Came from a dealership liquidation.  Shaft has light surface rust from age and prior storage.