The New Holland 344311127 is a genuine OEM double mowing belt specifically designed for optimal power transmission in New Holland mower conditioners. This durable belt ensures efficient and reliable operation of the mowing mechanism. It is compatible with a wide range of New Holland Mower Conditioner models, including the 400, 405, 407, 411, 415, 417, 420, 425, 427, 430, 435, 440, 445, 447, 450, 455, 457, 460, 465, 470, 475, 480, 485, 488, 490, 495, 499, 500, 505, 510, 515, 520, 525, 530, 535, 540, 545, 547, 550, 555, 557, 560, 565, 570, 575, 580, 585, 588, 590, 595, 599, 600, 605, 610, 615, 620, 625, 630, 635, 640, 645, 647, 650, 655, 657, 660, 665, 670, 675, 680, 685, 688, 690, 695, 699, 700, 705, 710, 715, 720, 725, 730, 735, 740, 745, 747, 750, 755, 757, 760, 765, 770, 775, 780, 785, 788, 790, 795, 799, 800, 805, 810, 815, 820, 825, 830, 835, 840, 845, 847, 850, 855, 857, 860, 865, 870, 875, 880, 885, 888, 890, 895, 899, 900, 905, 910, 915, 920, 925, 930, 935, 940, 945, 947, 950, 955, 957, 960, 965, 970, 975, 980, 985, 988, 990, 995, and 999 models.