Hiring services of 2(two) nos. brand new Tractor Trailer units- built on minimum 35MT GCW capacity Tata 3518 or Ashok Leyland 3518 or any other equivalent make and model Tractor meeting specifications as in the Tender and coupled with minimum 20MT (20,000 KG) payload double axle semi low bed semi trailer, with all standard fittings & accessories, to be stationed at any place of OIL`s activities in Assam & Arunachal Pradesh for a period of 4(four) years.