It had sold 38,263 units in the same month last year, M&M said in a statement.
Domestic tractor sales last month fell by 17.93 per cent to 30,800 units as against 37,532 units in October 2013.
However, exports during the month increased by 51.43 per cent to 1,107 units as compared to 731 units in October last year.
M&M Chief Executive (Farm Equipment and Two Wheeler Division) Rajesh Jejurikar said: "The delayed rains and sowing have led to a sluggish industry".