| Product Name |
NOV TDX-1250 Electric Top Drive |
| Manufacturer |
National Oilwell Varco (NOV) |
| Hoisting Capacity |
1,250 tons |
| Drive Motors |
2 × 1,340 HP AC Induction Motors |
| Total Power |
2,680 HP |
| Maximum Continuous Torque |
105,000 ft-lb (142,360 N·m) |
| Speed at Max Continuous Torque |
130 RPM |
| Maximum Drilling Speed |
275 RPM |
| Gear Ratio |
6.1:1 |
| Main Shaft Water Course |
4 in. (101.6 mm) |
| Washpipe Packing Rating |
7,500 PSI |
| Cooling System |
Water Cooled |
| Operating Temperature |
-20°C to +50°C (-4°F to +122°F) |
| Elevator Link Capacity |
350, 500, 750, 1000, 1250 ton API |
| Weight |
Approximately 95,000 lbs (43,091 kg) |
| Hydraulic System |
External HPU Required |
| Casing Running Tool |
Compatible / Available |
| NOVOS Compatible |
Yes (on later configurations) |
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