Mahindra & Mahindra's Farm Equipment Sector(FES) reported 14 per cent jump in its April sales (domestic and exports) to 18,530 units as against 16,302 units in the same period last year. The company's domestic tractor sales increased 13 per cent in April to 17,740 units,as against 15,697 units in the year-ago period. It exported 790 units in April as against 605 units in the same month last year.