supply of supply, installation, and commissioning of hydraulic torque wrench (equipment) for mounting and de- mounting of main bearing nuts with complete accessories for hhp locomotives. 1. two stage or four stage electrically operated hydraulic power pack with pressure relief valve set at maximum working pressure 700bar(10,000psi) suitable for main bearing and crab nut application of hhp locomotives. 2. 3/4 , supply, installation, and commissioning of hydraulic torque wrench (equipment) for mountin g and de- mounting of main bearing nuts with complete accessories for hhp locomotives. 1. two stage or four stage electrically operated hydraulic power pack with pressure relief valve set at maximum working p ressure 700bar(10,000psi) suitable for main bearing and crab nut application of hhp locomotives. 2. 3/4 sq.drive hydraulic torque wrench capacity 280nm-1800nm working pressure, maximum working pressure 700bar, with special jig and fixture suitable for main bearing nuts with bi-hex standard sockets. 3. 1-1/2 sq. drive hydraulic torque wrench capacity 1150nm-7300nm, maximum working pressure 700 bar, with s pecial jig and fixture suitable for hhp crab nuts with bi- hex deep and standard sockets. as per attached technical specification. [ warranty period: 30 months after the date of delivery ] ]