<strong>TESCO</strong> Electric Top Drives250 EMI 400 Top DriveThe 250 EMI 400 provides the performance and pipe handling featuresrequired for drilling and workover applications. The 250 EMI 400employs an AC induction motor and drive system. The 250 EMI 400can be operated from a self-contained generator, or can be connecteddirectly to the rig’s AC Bus. The EMI 400 is also available in a 150 Tonconfiguration and can be integrated with an existing, dedicated VFDon the rig.350 EXI 600 Top DriveThe 350 EXI 600 Extreme electric top drive system is a compact,fullfeatured, top drive with horizontal drilling in mind for smallernarrow mast drilling rigs. The EXI 600 is also available in a 400 Tonconfiguration and can be integrated with an existing, dedicated VFDon the rig.500/650 ECI 900/1350 Top DriveThe ECI top drive system represents a significant advance in electric topdrive technology. Traditional induction or brush style DC motors havebeen replaced with liquid cooled, permanent magnet synchronousmotors. Compact enough to fit into any triple mast, the ECI providesthe performance and pipe handling features required for medium anddeep drilling applications. The modular ECI is available in 900 and1350hp configurations.750 ECIX 1350 Top DriveThe 750 ECIX 1350 top drive system has a rated lifting capacity of750 tons, making it ideally suited for many off shore applications,yet in the <strong>TESCO</strong> tradition, this ECIX is compact enough that it canalso be installed on many land rigs where high performance drillingrequirements exist. The ECIX Top Drive is designed to be installed onexisting guide rail torque arrest systems and utilizes an adaptor dolly,minimizing rig modifications in a retrofit application.Top Drives – Types and Models 250 EMI 400 350 EXI 600 500/650 ECI 900 500/650 ECI 1350 750 ECIX 1350Rated Capacity 250ton 350ton 500/650ton 500/650ton 750tonRated Power 400hp 600hp 900hp 1350hp 1350hpDERRICK20’10’ 8’ 6’ 6’Hook Weight 13,684lbs. 25,000lbs.Operating Length (including links & elevators) 230in. 237in.13,000lbs.(not including optional swivel)172in.(not including optional swivel)13,800lbs(not including optional swivel)171in.(not including optional swivel)28,000lbs.307in.LARGETRIPLEMASTSMALLTRIPLEMASTWORKOVERMASTWidth 44.5in. 48.5in. 62in. 62in. 64.5in.DOUBLEMASTMax. Continuous Drill Torque 21,000ft-lb. 30,000ft-lb. 36,700ft-lb. 58,000ft-lb. 58,000ft-lb.Make-up / Breakout Torque 32,000ft-lb. 45,000ft-lb. 45,000ft-lb./56,000ft-lb. 68,000ft-lb./84,000ft-lb. 68,000ft-lb./84,000ft-lb.SINGLEMASTMax Speed 200RPM 220RPM 193RPM 193RPM 193RPMQuill ID 2.5in. 3.0in. 2.5in. 2.5in. 3.5in.Quill Connection NC50 NC61 *NC61 *NC61 NC70* NC 50 available with reduced capacity500 / 650 ECIApproximate Working clearance w/Top Drive Installed750ECIX350 EXI250 EMIp a g e 6p a g e 7