... blocks, cylinder heads): 6ct, 6bt, 6bta, 6btaa, 4bt. Caterpillar: 3208,3304 pc, 3306 pc, 3306 di, 34083406di, 769b ... design and measure the cylinder heads, blocks completed engines. Than is why we develop the cylinder heads ... blocks, cylinder heads): 6ct, 6bt, 6bta, 6btaa, 4bt. Caterpillar: 3304 pc, 3306 pc, 3306 di, 3406di, 769b (engine ... . 1.8t 5v. ahp481, ajr481 cylinder head used for Deutz BFL913C