 Engines for all these tractor models, except the last one, are manufactured within the plant as ‘Standard Engines’, in specific names – SE 335, SE 345, SE 450 and SE 460, respectively.All the above-mentioned models of Standard Engines have shown compliance to the TREM-III emission norms, as have been verified by the ARAI.However, two new variants of tractor of 35 hp (Standard 335-I) and 45 hp (Standard 345-I), equipped with famous Perkins engines (assembled within the Standard Tractors plant), and two completely new models of tractor of 30 hp (Standard 330) and 40 hp (Standard 340) are on the verge to be launched.