... the Cummins, Caterpillar, Detroid, GM, etc Engine long block and short block(cylinder block): Cummins: 6BT, 6CTA, ^BT, 6BTA, 6BTAA, ... : weight 59kg.Buick series.Cherokee: 498qChrysler: 488Cummins (cylinder blocks, cylinder heads): 6ct, 6bt, 6bta, 6btaa, 4bt.Caterpillar ... 769b (engine 9m3677, p/n: 9s5545) (cylinder block: 3306)Deutz (cylinder heads, cylinder blocks): f6l912, F6L 913, f8l413 , F3L 912 ...