Perkins is one of the worlds biggest providers of diesel and gas engines. When providing engines for the Landini tractors, Perkins used Mitsubishi parts. See an entire overview below.

Perkins Brand   Type Engine brand Type
804C-33T Landini  Alpine 65  Mitsubishi S4S-DT
804C-33T Landini  Alpine 75  Mitsubishi S4S-DT
804C-33T Landini  Alpine 65   Mitsubishi S4S-DT