The following types block are avaible: Cummins: 4BT, 6BT, 6BTA, 6CT Deutz: F3L912, F4L912, F6L912, F6L913, F8L413 Isuzu: 4JA1, 4JB1, 4JB1T, 4BD1, 6BD1 Perkins: 1004-4, 1006-6, phaser135Ti, 160Ti, 180Ti, 210Ti Komatsu: 6D95 GM: GM6.5 Toyota: 22R, 2RZ, 3RZ, 4Y, 2L, 3L