Leveling box fork for Massey tractor models. 135, 150, 230, 231, 235, 240, 240P, 240S, 245 & 250 13-1/4 inch Length, 3/4 inch NC Threads, 5/8 inch Arm pin hole.

Leveling box fork Heavy Duty for Massey tractor models. 270, 271, 281, 282, 283, 290, 365, 375, 383, 390, 390T, 393, 396, 398, 399, 370 & 390 16-1/4 inch Length, 1 inch NF Threads,

Right hand leveling box assembly CAT I 20-1/2 inches closed 26 inches extended. Leveling box has 5/8 inch clevis pin hole. Bottom fork has a 5/8 inch hole. For 1/2 inch thick arm. For Massey tractor models: TO20, TE20, TO30, Late TO35 & Early MF35