In the same month previous year, it had sold 5,41,615 units, Hero MotoCorp said in a statement.
The company sold record 61,83,784 units of two-wheelers in the period January-December 2013 compared to 61,20,259 two-wheelers sold in calendar year 2012, up 1 per cent.
Commenting on the sales performance, Hero MotoCorp Senior Vice President (Marketing and Sales) Anil Dua said: "This year, we adopted a fresh approach with increased focus on technology, innovation and youth-focused products...This year we also made our first foray in the new international markets namely, Central & Latin America and Africa."