Mahindra and Mahindra's tractor sales number for August 2013 stood at 13543 units in domestic market as against 12394 units during August 2012, a growth of 9 per cent. The company's overall sales have also grown by 7 per cent standing at 14,158 units during August 2013. Export for the month of August 2013 stood at 615 units, the company stated.