CONCENTRIC 560 Series Replacement Cushion Set, Specifications: 21 in W x 16-1/2 in H Base, Foam/Steel, Black/White, Package Quantity: 3, Suitable for: International Harvester 70, 70 (Hydro), 86, 86 (Hydro), 100 (Hydro), 375 (Hydro), 504 (Deluxe), 524, 525, 544, 544 (Row Crop), 560, 574, 606, 656 (Prior to S/N 14500), 666, 686, 706, 756, 766, 806 (Prior to S/N 14500), 826, 856, 966, 1026, 1066, 1206, 1256, 1456, 1466, 1468, 1468 (With Vert Action), 1566, 1568, 2504 (Deluxe), 2652 (With Vert Action), 2706 (Deluxe), 2706 (With Vert Action), 2756, 4100, 4156, 4166, 4186 (After S/N 192590), 21026 (S/N 3000 Up), 21026 (STD), 21256, 21456 Tractor Models