0251-2 Robinson R44 II Transmission and Mast Assembly (Rotor Struck, Core) Published February 9, 2024 at 500 × 500 in 0251-2 Robinson R44 II Transmission and Mast Assembly (Rotor Struck, Core) 0251-2 Robinson R44 II Transmission and Mast Assembly (Rotor Struck, Core) 0251-2 Robinson R44 II Transmission and Mast Assembly (Rotor Struck, Core)