Compatible with Construct & Indrial(s) 250C, 260C, 340, 340A, 340B, 345C, 345D, 445, 445A, 445C, 445D, 450, 455, 455C, 455D, 540, 540A, 540B, 545, 545A, 545C, 545D, 550, 555, 555A, 555B, 655, 655A Replaces OEM nOSS EFPN3115A, 83953431 Compatible with Construct & Indrial(s) 745 Pin Diameter: 1.23" Kit Contains: 2 x Bronze forBUSH C3TA3110A 83936922, 1 x King Pin E3NN3115AA 83944509, 2 x O Ring TDBA3125A 81812460, 2 x Greaser 87907S8 80087414, 1 x Bearing E3NN3123AA 83936918, 1 x Washerr 34808S36 83980546 7/16, 1 x Nyloc Nutt 3467 For Kit with Pin Diameter 1.13" use 125389