Should you buy Powertrac ALT 4000 or Solis 4415 E 4WD? Find out the best tractor for your requirements based on price, engine power, transmission, features and other specifications. The Powertrac ALT 4000 is a 41 HP tractor, whereas Solis 4415 E 4WD is a 44 HP tractor. The Powertrac ALT 4000 price is INR 592,000 , whereas the Solis 4415 E 4WD price is INR 840,000.