One New Replacement Muffler for Ford New Holland Tractor Models: 2000 (3 Cylinder), 2600, 3000 (1968 and up, all with 3 or 4 cylinder gasoline or diesel engines), 3400, 3500, 3600, 4000 (3 Cylinder), 4400, 4500, 4600, 5000. The vertical round body diameter is 5-1/2 inches. Dimensions: Dimension A(1)A: Inlet port length is 4 1/2 inches. Dimension B(2)B: Inlet port inside diameter is 1 7/8 inches. Dimension C(3)C: Body length is 17 inches. Dimension D(4)D: Outlet port length is 7 1/2 inches. Dimension E(5)E: Outlet port outside diameter is 2 inches. Dimension F(6)F: Overall length is 29 inches. Replaces Part Numbers C7NN5230JM, C7NN5230AB, C7NN5230AC, C7NN5230Z, DHPN5230A Models This part fits: 2000, 2100, 2110, 2110LCG, 2150, 2300, 230A, 231, 2310, 233, 234, 2600, 2610, 2810, 2910, 3000, 3055, 3100, 3110, 3120, 3150, 3190, 3300, 3310, 333, 3330, 334, 335, 340, 3400, 340A, 340B, 3500, 3550, 3600, 3610, 3910, 4000, 4110, 4110LCG, 420, 4400, 445, 445A, 450, 4500, 455, 4600, 4610, 5000, 515, 530A, 531, 532, 535, 540, 540A, 540B, 545, 545A, 550, 5500, 555, 5550, 555A, 555B, 5600, 655, 655A, 6600, 6700 Reference numbers: 4684SMP294666, 4684SMP294666-A, C7NN5230AB, C7NN5230AB-A, C7NN5230AC, C7NN5230AC-A, C7NN5230JM, C7NN5230JM-A, C7NN5230Z, C7NN5230Z-A, DHPN5230A, FO-17