Sacetanasutta  
About Pacetana
‘Sakkomi, devā’ti kho, bhikkhave, rathakāro rañño sacetanassa paccassosi.  
‘I can, Your Majesty,’ replied the chariot-maker.
‘Sakkomi, devā’ti kho, bhikkhave, rathakāro chahi divasehi dutiyaṁ cakkaṁ niṭṭhāpetvā navaṁ cakkayugaṁ ādāya yena rājā sacetano tenupasaṅkami; upasaṅkamitvā rājānaṁ sacetanaṁ etadavoca:  
Saying, ‘I can, Your Majesty,’ the chariot-maker finished the second wheel in six days. Taking the pair of wheels he went up to King Pacetana, and said this to the king,