Should you buy Swaraj 717 or Sonalika DI 740 III? Find out the best tractor for your requirements based on price, engine power, transmission, features and other specifications. The Swaraj 717 is a 15 HP tractor, whereas Sonalika DI 740 III is a 42 HP tractor. The Swaraj 717 price is INR 339,000 , whereas the Sonalika DI 740 III price is INR 646,000.